Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline United Airlines

The cheapest airline(s) flying from Buffalo to Seattle is United Airlines.

  • United Airlines United Airlines
  • JetBlue Airways JetBlue Airways
  • Southwest Airlines Southwest Airlines
  • American Airlines American Airlines
  • Alaska Airlines Alaska Airlines
Cheapest Month February

Travel Period: January 2025 - December 2025

The cheapest month(s) to fly from Buffalo to Seattle is February.

  • Jan 2025
  • Feb 2025
  • Mar 2025
  • Apr 2025
  • May 2025
  • Jun 2025
  • Jul 2025
  • Aug 2025
  • Sep 2025
  • Oct 2025
  • Nov 2025
  • Dec 2025
Cheapest Day of the Week Monday

The cheapest day(s) of the week to fly from Buffalo to Seattle is Monday.

  • Sun Sunday
  • Mon Monday
  • Tue Tuesday
  • Wed Wednesday
  • Thu Thursday
  • Fri Friday
  • Sat Saturday

Flight Schedules

Last Updated: Mon, 2 Dec, 2024

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      • Availability
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      • 05:00 BUF
        14:15 SEA
        12Hrs, 15m 1 Stop (PHX)
      • BUFBuffalo Airport 05:00 - SEA 14:15 12h 15m 1 Stop (PHX) Phoenix
      • BUFBuffalo Airport 05:00
        PHXPhoenix Sky Harbor Intl Airport 12:00
      • PHXPhoenix Sky Harbor Intl Airport 07:55
        SEASeattle/Tacoma International Airport 14:15
      • 12h 15m (4h 05m)
      • 1 Stop PHX · Phoenix 4h 05m
      • Southwest Airlines (WN 4517)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 1490)Boeing 737 800
      • Southwest Airlines (WN 4517)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 05:23 BUF
        11:00 SEA
        8Hrs, 37m 1 Stop (DCA)
      • BUFBuffalo Airport 05:23 - SEA 11:00 8h 37m 1 Stop (DCA) Washington
      • BUFBuffalo Airport 05:23
        DCAWashington Ronald Reagan National Airport 08:00
      • DCAWashington Ronald Reagan National Airport 06:51
        SEASeattle/Tacoma International Airport 11:00
      • 8h 37m (1h 09m)
      • 1 Stop DCA · Washington 1h 09m
      • American Airlines (AA 5163)Crj 700 Canadair Regional
        Alaska Airlines (AS 1)Boeing 737 800
      • American Airlines (AA 5163)
        • M
        • -
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        • F
        • -
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      • 05:23 BUF
        11:00 SEA
        8Hrs, 37m 1 Stop (DCA)
      • BUFBuffalo Airport 05:23 - SEA 11:00 8h 37m 1 Stop (DCA) Washington
      • BUFBuffalo Airport 05:23
        DCAWashington Ronald Reagan National Airport 08:00
      • DCAWashington Ronald Reagan National Airport 06:51
        SEASeattle/Tacoma International Airport 11:00
      • 8h 37m (1h 09m)
      • 1 Stop DCA · Washington 1h 09m
      • American Airlines (AA 5163)Crj 700 Canadair Regional
        Alaska Airlines (AS 1)Boeing 737 Max 8 Passenger
      • American Airlines (AA 5163)
        • -
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        • -
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        • -
        • -
        • -
      • 05:32 BUF
        11:00 SEA
        8Hrs, 28m 1 Stop (DCA)
      • BUFBuffalo Airport 05:32 - SEA 11:00 8h 28m 1 Stop (DCA) Washington
      • BUFBuffalo Airport 05:32
        DCAWashington Ronald Reagan National Airport 08:00
      • DCAWashington Ronald Reagan National Airport 07:00
        SEASeattle/Tacoma International Airport 11:00
      • 8h 28m (1h)
      • 1 Stop DCA · Washington 1h
      • American Airlines (AA 5163)Crj 700 Canadair Regional
        Alaska Airlines (AS 1)Boeing 737 800
      • American Airlines (AA 5163)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 06:00 BUF
        12:49 SEA
        9Hrs, 49m 1 Stop (CLT)
      • BUFBuffalo Airport 06:00 - SEA 12:49 9h 49m 1 Stop (CLT) Charlotte
      • BUFBuffalo Airport 06:00
        CLTCharlotte Airport 09:48
      • CLTCharlotte Airport 08:12
        SEASeattle/Tacoma International Airport 12:49
      • 9h 49m (1h 36m)
      • 1 Stop CLT · Charlotte 1h 36m
      • American Airlines (AA 1204)Airbus
        American Airlines (AA 2407)Airbus A321 Neo
      • American Airlines (AA 1204)
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        • S
      • 06:00 BUF
        12:49 SEA
        9Hrs, 49m 1 Stop (CLT)
      • BUFBuffalo Airport 06:00 - SEA 12:49 9h 49m 1 Stop (CLT) Charlotte
      • BUFBuffalo Airport 06:00
        CLTCharlotte Airport 09:48
      • CLTCharlotte Airport 08:09
        SEASeattle/Tacoma International Airport 12:49
      • 9h 49m (1h 39m)
      • 1 Stop CLT · Charlotte 1h 39m
      • American Airlines (AA 1204)Airbus
        American Airlines (AA 2407)Airbus A321 Neo
      • American Airlines (AA 1204)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 06:00 BUF
        12:49 SEA
        9Hrs, 49m 1 Stop (CLT)
      • BUFBuffalo Airport 06:00 - SEA 12:49 9h 49m 1 Stop (CLT) Charlotte
      • BUFBuffalo Airport 06:00
        CLTCharlotte Airport 09:48
      • CLTCharlotte Airport 08:12
        SEASeattle/Tacoma International Airport 12:49
      • 9h 49m (1h 36m)
      • 1 Stop CLT · Charlotte 1h 36m
      • American Airlines (AA 1204)Airbus
        American Airlines (AA 2407)Airbus
      • American Airlines (AA 1204)
        • -
        • T
        • -
        • -
        • -
        • -
        • -
      • 06:05 BUF
        11:31 SEA
        8Hrs, 26m 1 Stop (IAD)
      • BUFBuffalo Airport 06:05 - SEA 11:31 8h 26m 1 Stop (IAD) Washington
      • BUFBuffalo Airport 06:05
        IADWashington Dulles International Airport 08:35
      • IADWashington Dulles International Airport 07:30
        SEASeattle/Tacoma International Airport 11:31
      • 8h 26m (1h 05m)
      • 1 Stop IAD · Washington 1h 05m
      • United Airlines (UA 6152)Embraer 175
        United Airlines (UA 1964)Boeing 737 900
      • United Airlines (UA 6152)
        • -
        • -
        • -
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        • -
        • -
        • -
      • 06:05 BUF
        11:32 SEA
        8Hrs, 27m 1 Stop (IAD)
      • BUFBuffalo Airport 06:05 - SEA 11:32 8h 27m 1 Stop (IAD) Washington
      • BUFBuffalo Airport 06:05
        IADWashington Dulles International Airport 08:35
      • IADWashington Dulles International Airport 07:30
        SEASeattle/Tacoma International Airport 11:32
      • 8h 27m (1h 05m)
      • 1 Stop IAD · Washington 1h 05m
      • United Airlines (UA 6152)Embraer 175
        United Airlines (UA 1964)Boeing 737 800
      • United Airlines (UA 6152)
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      • 06:05 BUF
        11:33 SEA
        8Hrs, 28m 1 Stop (IAD)
      • BUFBuffalo Airport 06:05 - SEA 11:33 8h 28m 1 Stop (IAD) Washington
      • BUFBuffalo Airport 06:05
        IADWashington Dulles International Airport 08:35
      • IADWashington Dulles International Airport 07:30
        SEASeattle/Tacoma International Airport 11:33
      • 8h 28m (1h 05m)
      • 1 Stop IAD · Washington 1h 05m
      • United Airlines (UA 6152)Embraer 175
        United Airlines (UA 1964)Airbus
      • United Airlines (UA 6152)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 06:05 BUF
        11:33 SEA
        8Hrs, 28m 1 Stop (IAD)
      • BUFBuffalo Airport 06:05 - SEA 11:33 8h 28m 1 Stop (IAD) Washington
      • BUFBuffalo Airport 06:05
        IADWashington Dulles International Airport 08:35
      • IADWashington Dulles International Airport 07:30
        SEASeattle/Tacoma International Airport 11:33
      • 8h 28m (1h 05m)
      • 1 Stop IAD · Washington 1h 05m
      • United Airlines (UA 6152)Embraer 175
        United Airlines (UA 1964)Airbus
      • United Airlines (UA 6152)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 11:00 DEN
        06:50 MDW
        9Hrs, 55m 1 Stop (SEA)
      • DENDenver Intl Airport 11:00 - MDW 06:50 9h 55m 1 Stop (SEA) Seattle
      • DENDenver Intl Airport 11:00
        BUFBuffalo Airport 06:05
      • SEASeattle/Tacoma International Airport 13:00
        MDWChicago Midway Airport 06:50
      • 9h 55m (2h 30m)
      • 1 Stop SEA · Seattle 2h 30m
      • Southwest Airlines (WN 1061)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 1360)Boeing 737 700
      • Southwest Airlines (WN 1061)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 10:35 ORD
        07:30 IAD
        10Hrs, 19m 1 Stop (SEA)
      • ORDChicago O'Hare International Airport 10:35 - IAD 07:30 10h 19m 1 Stop (SEA) Seattle
      • ORDChicago O'Hare International Airport 10:35
        BUFBuffalo Airport 06:05
      • SEASeattle/Tacoma International Airport 13:24
        IADWashington Dulles International Airport 07:30
      • 10h 19m (1h 45m)
      • 1 Stop SEA · Seattle 1h 45m
      • United Airlines (UA 1540)Airbus
        United Airlines (UA 6152)Embraer 175
      • United Airlines (UA 1540)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 10:35 ORD
        07:30 IAD
        10Hrs, 19m 1 Stop (SEA)
      • ORDChicago O'Hare International Airport 10:35 - IAD 07:30 10h 19m 1 Stop (SEA) Seattle
      • ORDChicago O'Hare International Airport 10:35
        BUFBuffalo Airport 06:05
      • SEASeattle/Tacoma International Airport 13:24
        IADWashington Dulles International Airport 07:30
      • 10h 19m (1h 45m)
      • 1 Stop SEA · Seattle 1h 45m
      • United Airlines (UA 1540)Boeing 737 700
        United Airlines (UA 6152)Embraer 175
      • United Airlines (UA 1540)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 06:23 BUF
        13:23 SEA
        10Hrs, 00m 1 Stop (DFW)
      • BUFBuffalo Airport 06:23 - SEA 13:23 10h 1 Stop (DFW) Dallas
      • BUFBuffalo Airport 06:23
        DFWDallas/Fort Worth Intl Airport 10:55
      • DFWDallas/Fort Worth Intl Airport 09:04
        SEASeattle/Tacoma International Airport 13:23
      • 10h (1h 51m)
      • 1 Stop DFW · Dallas 1h 51m
      • American Airlines (AA 882)Airbus
        American Airlines (AA 3174)Airbus
      • American Airlines (AA 882)
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        • S
      • 06:23 BUF
        14:50 SEA
        11Hrs, 27m 1 Stop (DFW)
      • BUFBuffalo Airport 06:23 - SEA 14:50 11h 27m 1 Stop (DFW) Dallas
      • BUFBuffalo Airport 06:23
        DFWDallas/Fort Worth Intl Airport 12:19
      • DFWDallas/Fort Worth Intl Airport 09:04
        SEASeattle/Tacoma International Airport 14:50
      • 11h 27m (3h 15m)
      • 1 Stop DFW · Dallas 3h 15m
      • American Airlines (AA 882)Airbus
        American Airlines (AA 2405)Airbus
      • American Airlines (AA 882)
        • M
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        • S
      • 07:00 BUF
        12:14 SEA
        8Hrs, 14m 1 Stop (ORD)
      • BUFBuffalo Airport 07:00 - SEA 12:14 8h 14m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:00
        ORDChicago O'Hare International Airport 09:25
      • ORDChicago O'Hare International Airport 08:04
        SEASeattle/Tacoma International Airport 12:14
      • 8h 14m (1h 21m)
      • 1 Stop ORD · Chicago 1h 21m
      • United Airlines (UA 329)Airbus
        United Airlines (UA 1540)Airbus
      • United Airlines (UA 329)
        • -
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        • -
        • T
        • F
        • -
        • -
      • 07:00 BUF
        12:14 SEA
        8Hrs, 14m 1 Stop (ORD)
      • BUFBuffalo Airport 07:00 - SEA 12:14 8h 14m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:00
        ORDChicago O'Hare International Airport 09:25
      • ORDChicago O'Hare International Airport 08:04
        SEASeattle/Tacoma International Airport 12:14
      • 8h 14m (1h 21m)
      • 1 Stop ORD · Chicago 1h 21m
      • United Airlines (UA 329)Airbus
        United Airlines (UA 1540)Boeing 737 900
      • United Airlines (UA 329)
        • M
        • -
        • -
        • -
        • -
        • -
        • -
      • 07:00 BUF
        12:45 SEA
        8Hrs, 45m 1 Stop (ORD)
      • BUFBuffalo Airport 07:00 - SEA 12:45 8h 45m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:00
        ORDChicago O'Hare International Airport 09:55
      • ORDChicago O'Hare International Airport 08:09
        SEASeattle/Tacoma International Airport 12:45
      • 8h 45m (1h 46m)
      • 1 Stop ORD · Chicago 1h 46m
      • American Airlines (AA 4484)Embraer Emb 175
        American Airlines (AA 2398)Boeing 737 800
      • American Airlines (AA 4484)
        • -
        • -
        • -
        • -
        • F
        • -
        • S
      • 07:00 BUF
        13:24 SEA
        9Hrs, 24m 1 Stop (ORD)
      • BUFBuffalo Airport 07:00 - SEA 13:24 9h 24m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:00
        ORDChicago O'Hare International Airport 10:35
      • ORDChicago O'Hare International Airport 08:04
        SEASeattle/Tacoma International Airport 13:24
      • 9h 24m (2h 31m)
      • 1 Stop ORD · Chicago 2h 31m
      • United Airlines (UA 329)Airbus
        United Airlines (UA 1540)Boeing 737 700
      • United Airlines (UA 329)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 07:00 BUF
        13:24 SEA
        9Hrs, 24m 1 Stop (ORD)
      • BUFBuffalo Airport 07:00 - SEA 13:24 9h 24m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:00
        ORDChicago O'Hare International Airport 10:35
      • ORDChicago O'Hare International Airport 08:04
        SEASeattle/Tacoma International Airport 13:24
      • 9h 24m (2h 31m)
      • 1 Stop ORD · Chicago 2h 31m
      • United Airlines (UA 329)Airbus
        United Airlines (UA 1540)Airbus
      • United Airlines (UA 329)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 11:55 DEN
        08:04 ORD
        10Hrs, 00m 1 Stop (SEA)
      • DENDenver Intl Airport 11:55 - ORD 08:04 10h 1 Stop (SEA) Seattle
      • DENDenver Intl Airport 11:55
        BUFBuffalo Airport 07:00
      • SEASeattle/Tacoma International Airport 14:00
        ORDChicago O'Hare International Airport 08:04
      • 10h (2h 01m)
      • 1 Stop SEA · Seattle 2h 01m
      • United Airlines (UA 316)Airbus
        United Airlines (UA 329)Airbus
      • United Airlines (UA 316)
        • M
        • -
        • -
        • -
        • F
        • -
        • S
      • 11:55 DEN
        08:04 ORD
        10Hrs, 00m 1 Stop (SEA)
      • DENDenver Intl Airport 11:55 - ORD 08:04 10h 1 Stop (SEA) Seattle
      • DENDenver Intl Airport 11:55
        BUFBuffalo Airport 07:00
      • SEASeattle/Tacoma International Airport 14:00
        ORDChicago O'Hare International Airport 08:04
      • 10h (2h 01m)
      • 1 Stop SEA · Seattle 2h 01m
      • United Airlines (UA 316)Boeing 737 800
        United Airlines (UA 329)Airbus
      • United Airlines (UA 316)
        • -
        • T
        • W
        • -
        • -
        • S
        • -
      • 11:55 DEN
        08:04 ORD
        10Hrs, 00m 1 Stop (SEA)
      • DENDenver Intl Airport 11:55 - ORD 08:04 10h 1 Stop (SEA) Seattle
      • DENDenver Intl Airport 11:55
        BUFBuffalo Airport 07:00
      • SEASeattle/Tacoma International Airport 14:00
        ORDChicago O'Hare International Airport 08:04
      • 10h (2h 01m)
      • 1 Stop SEA · Seattle 2h 01m
      • United Airlines (UA 316)Airbus
        United Airlines (UA 329)Airbus
      • United Airlines (UA 316)
        • -
        • -
        • -
        • T
        • -
        • -
        • -
      • 07:00 BUF
        15:59 SEA
        11Hrs, 59m 1 Stop (ORD)
      • BUFBuffalo Airport 07:00 - SEA 15:59 11h 59m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:00
        ORDChicago O'Hare International Airport 13:10
      • ORDChicago O'Hare International Airport 08:09
        SEASeattle/Tacoma International Airport 15:59
      • 11h 59m (5h 01m)
      • 1 Stop ORD · Chicago 5h 01m
      • American Airlines (AA 4484)Embraer Emb 175
        Alaska Airlines (AS 335)Boeing 737 Max 9 Passenger
      • American Airlines (AA 4484)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 07:00 BUF
        15:59 SEA
        11Hrs, 59m 1 Stop (ORD)
      • BUFBuffalo Airport 07:00 - SEA 15:59 11h 59m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:00
        ORDChicago O'Hare International Airport 13:10
      • ORDChicago O'Hare International Airport 08:09
        SEASeattle/Tacoma International Airport 15:59
      • 11h 59m (5h 01m)
      • 1 Stop ORD · Chicago 5h 01m
      • American Airlines (AA 4484)Embraer Emb 175
        Alaska Airlines (AS 335)Boeing 737 900
      • American Airlines (AA 4484)
        • -
        • -
        • -
        • -
        • F
        • -
        • -
      • 07:00 BUF
        16:11 SEA
        12Hrs, 11m 1 Stop (ORD)
      • BUFBuffalo Airport 07:00 - SEA 16:11 12h 11m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:00
        ORDChicago O'Hare International Airport 13:25
      • ORDChicago O'Hare International Airport 08:04
        SEASeattle/Tacoma International Airport 16:11
      • 12h 11m (5h 21m)
      • 1 Stop ORD · Chicago 5h 21m
      • United Airlines (UA 329)Airbus
        United Airlines (UA 1485)Airbus
      • United Airlines (UA 329)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 07:11 BUF
        12:45 SEA
        8Hrs, 34m 1 Stop (ORD)
      • BUFBuffalo Airport 07:11 - SEA 12:45 8h 34m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:11
        ORDChicago O'Hare International Airport 09:55
      • ORDChicago O'Hare International Airport 08:07
        SEASeattle/Tacoma International Airport 12:45
      • 8h 34m (1h 48m)
      • 1 Stop ORD · Chicago 1h 48m
      • American Airlines (AA 4053)Embraer 170
        American Airlines (AA 2398)Boeing 737 800
      • American Airlines (AA 4053)
        • M
        • T
        • W
        • -
        • -
        • -
        • -
      • 07:11 BUF
        12:45 SEA
        8Hrs, 34m 1 Stop (ORD)
      • BUFBuffalo Airport 07:11 - SEA 12:45 8h 34m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:11
        ORDChicago O'Hare International Airport 09:55
      • ORDChicago O'Hare International Airport 08:24
        SEASeattle/Tacoma International Airport 12:45
      • 8h 34m (1h 31m)
      • 1 Stop ORD · Chicago 1h 31m
      • American Airlines (AA 4488)Embraer Emb 175
        American Airlines (AA 2398)Boeing 737 800
      • American Airlines (AA 4488)
        • -
        • -
        • -
        • T
        • -
        • -
        • -
      • 13:34 BZN
        08:24 ORD
        10Hrs, 30m 1 Stop (SEA)
      • BZNBozeman Airport 13:34 - ORD 08:24 10h 30m 1 Stop (SEA) Seattle
      • BZNBozeman Airport 13:34
        BUFBuffalo Airport 07:11
      • SEASeattle/Tacoma International Airport 14:41
        ORDChicago O'Hare International Airport 08:24
      • 10h 30m (2h 49m)
      • 1 Stop SEA · Seattle 2h 49m
      • Alaska Airlines (AS 2267)Embraer Emb 175
        American Airlines (AA 4488)Embraer Emb 175
      • Alaska Airlines (AS 2267)
        • -
        • -
        • -
        • T
        • -
        • -
        • -
      • 13:34 BZN
        08:07 ORD
        10Hrs, 30m 1 Stop (SEA)
      • BZNBozeman Airport 13:34 - ORD 08:07 10h 30m 1 Stop (SEA) Seattle
      • BZNBozeman Airport 13:34
        BUFBuffalo Airport 07:11
      • SEASeattle/Tacoma International Airport 14:41
        ORDChicago O'Hare International Airport 08:07
      • 10h 30m (3h 06m)
      • 1 Stop SEA · Seattle 3h 06m
      • Alaska Airlines (AS 2267)Embraer Emb 175
        American Airlines (AA 4053)Embraer 170
      • Alaska Airlines (AS 2267)
        • M
        • -
        • -
        • -
        • -
        • -
        • -
      • 07:11 BUF
        15:59 SEA
        11Hrs, 48m 1 Stop (ORD)
      • BUFBuffalo Airport 07:11 - SEA 15:59 11h 48m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:11
        ORDChicago O'Hare International Airport 13:10
      • ORDChicago O'Hare International Airport 08:07
        SEASeattle/Tacoma International Airport 15:59
      • 11h 48m (5h 03m)
      • 1 Stop ORD · Chicago 5h 03m
      • American Airlines (AA 4053)Embraer 170
        Alaska Airlines (AS 335)Boeing 737
      • American Airlines (AA 4053)
        • -
        • -
        • W
        • -
        • -
        • -
        • -
      • 07:11 BUF
        15:59 SEA
        11Hrs, 48m 1 Stop (ORD)
      • BUFBuffalo Airport 07:11 - SEA 15:59 11h 48m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:11
        ORDChicago O'Hare International Airport 13:10
      • ORDChicago O'Hare International Airport 08:24
        SEASeattle/Tacoma International Airport 15:59
      • 11h 48m (4h 46m)
      • 1 Stop ORD · Chicago 4h 46m
      • American Airlines (AA 4488)Embraer Emb 175
        Alaska Airlines (AS 335)Boeing 737 Max 9 Passenger
      • American Airlines (AA 4488)
        • -
        • -
        • -
        • T
        • -
        • -
        • -
      • 07:11 BUF
        15:59 SEA
        11Hrs, 48m 1 Stop (ORD)
      • BUFBuffalo Airport 07:11 - SEA 15:59 11h 48m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:11
        ORDChicago O'Hare International Airport 13:10
      • ORDChicago O'Hare International Airport 08:07
        SEASeattle/Tacoma International Airport 15:59
      • 11h 48m (5h 03m)
      • 1 Stop ORD · Chicago 5h 03m
      • American Airlines (AA 4053)Embraer 170
        Alaska Airlines (AS 335)Boeing 737 800
      • American Airlines (AA 4053)
        • M
        • T
        • -
        • -
        • -
        • -
        • -
      • 07:15 BUF
        16:00 SEA
        11Hrs, 45m 1 Stop (MDW)
      • BUFBuffalo Airport 07:15 - SEA 16:00 11h 45m 1 Stop (MDW) Chicago
      • BUFBuffalo Airport 07:15
        MDWChicago Midway Airport 13:25
      • MDWChicago Midway Airport 08:00
        SEASeattle/Tacoma International Airport 16:00
      • 11h 45m (5h 25m)
      • 1 Stop MDW · Chicago 5h 25m
      • Southwest Airlines (WN 1360)Boeing 737 800
        Southwest Airlines (WN 3199)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 1360)
        • M
        • -
        • -
        • T
        • F
        • -
        • S
      • 08:10 BUF
        12:25 SEA
        7Hrs, 15m 1 Stop (MDW)
      • BUFBuffalo Airport 08:10 - SEA 12:25 7h 15m 1 Stop (MDW) Chicago
      • BUFBuffalo Airport 08:10
        MDWChicago Midway Airport 09:45
      • MDWChicago Midway Airport 08:55
        SEASeattle/Tacoma International Airport 12:25
      • 7h 15m (50m)
      • 1 Stop MDW · Chicago 50m
      • Southwest Airlines (WN 1360)Boeing 737 800
        Southwest Airlines (WN 4350)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 1360)
        • -
        • T
        • W
        • -
        • -
        • -
        • -
      • 15:59 DEN
        11:47 IAD
        10Hrs, 36m 1 Stop (SEA)
      • DENDenver Intl Airport 15:59 - IAD 11:47 10h 36m 1 Stop (SEA) Seattle
      • DENDenver Intl Airport 15:59
        BUFBuffalo Airport 10:28
      • SEASeattle/Tacoma International Airport 18:04
        IADWashington Dulles International Airport 11:47
      • 10h 36m (2h 04m)
      • 1 Stop SEA · Seattle 2h 04m
      • United Airlines (UA 745)Boeing 737 Max 9 Passenger
        United Airlines (UA 6144)Embraer 175
      • United Airlines (UA 745)
        • -
        • -
        • -
        • T
        • F
        • -
        • -
      • 15:59 DEN
        11:50 IAD
        10Hrs, 36m 1 Stop (SEA)
      • DENDenver Intl Airport 15:59 - IAD 11:50 10h 36m 1 Stop (SEA) Seattle
      • DENDenver Intl Airport 15:59
        BUFBuffalo Airport 10:28
      • SEASeattle/Tacoma International Airport 18:04
        IADWashington Dulles International Airport 11:50
      • 10h 36m (2h 01m)
      • 1 Stop SEA · Seattle 2h 01m
      • United Airlines (UA 745)Boeing 737 Max 9 Passenger
        United Airlines (UA 4283)Embraer
      • United Airlines (UA 745)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 15:59 DEN
        11:47 IAD
        10Hrs, 36m 1 Stop (SEA)
      • DENDenver Intl Airport 15:59 - IAD 11:47 10h 36m 1 Stop (SEA) Seattle
      • DENDenver Intl Airport 15:59
        BUFBuffalo Airport 10:28
      • SEASeattle/Tacoma International Airport 18:04
        IADWashington Dulles International Airport 11:47
      • 10h 36m (2h 04m)
      • 1 Stop SEA · Seattle 2h 04m
      • United Airlines (UA 745)Airbus
        United Airlines (UA 6144)Embraer 175
      • United Airlines (UA 745)
        • -
        • T
        • W
        • -
        • -
        • -
        • -
      • 15:59 DEN
        11:50 IAD
        10Hrs, 36m 1 Stop (SEA)
      • DENDenver Intl Airport 15:59 - IAD 11:50 10h 36m 1 Stop (SEA) Seattle
      • DENDenver Intl Airport 15:59
        BUFBuffalo Airport 10:28
      • SEASeattle/Tacoma International Airport 18:04
        IADWashington Dulles International Airport 11:50
      • 10h 36m (2h 01m)
      • 1 Stop SEA · Seattle 2h 01m
      • United Airlines (UA 745)Boeing 737 Max 9 Passenger
        United Airlines (UA 4283)Embraer
      • United Airlines (UA 745)
        • M
        • -
        • -
        • -
        • -
        • -
        • -
      • 10:55 BUF
        17:20 SEA
        9Hrs, 25m 1 Stop (LAS)
      • BUFBuffalo Airport 10:55 - SEA 17:20 9h 25m 1 Stop (LAS) Las Vegas
      • BUFBuffalo Airport 10:55
        LASLas Vegas McCarran International Airport 14:30
      • LASLas Vegas McCarran International Airport 12:50
        SEASeattle/Tacoma International Airport 17:20
      • 9h 25m (1h 40m)
      • 1 Stop LAS · Las Vegas 1h 40m
      • Southwest Airlines (WN 4303)Boeing 737 700
        Southwest Airlines (WN 1949)Boeing 737 800
      • Southwest Airlines (WN 4303)
        • M
        • -
        • -
        • T
        • F
        • -
        • S
      • 16:35 DFW
        13:28 CLT
        10Hrs, 30m 1 Stop (SEA)
      • DFWDallas/Fort Worth Intl Airport 16:35 - CLT 13:28 10h 30m 1 Stop (SEA) Seattle
      • DFWDallas/Fort Worth Intl Airport 16:35
        BUFBuffalo Airport 11:30
      • SEASeattle/Tacoma International Airport 19:00
        CLTCharlotte Airport 13:28
      • 10h 30m (1h 11m)
      • 1 Stop SEA · Seattle 1h 11m
      • American Airlines (AA 2009)Airbus
        American Airlines (AA 1476)Airbus
      • American Airlines (AA 2009)
        • -
        • -
        • W
        • -
        • F
        • -
        • S
      • 11:30 BUF
        19:05 SEA
        10Hrs, 35m 1 Stop (CLT)
      • BUFBuffalo Airport 11:30 - SEA 19:05 10h 35m 1 Stop (CLT) Charlotte
      • BUFBuffalo Airport 11:30
        CLTCharlotte Airport 16:18
      • CLTCharlotte Airport 13:28
        SEASeattle/Tacoma International Airport 19:05
      • 10h 35m (2h 50m)
      • 1 Stop CLT · Charlotte 2h 50m
      • American Airlines (AA 1476)Airbus
        American Airlines (AA 506)Airbus
      • American Airlines (AA 1476)
        • -
        • -
        • -
        • -
        • F
        • -
        • S
      • 11:32 BUF
        19:05 SEA
        10Hrs, 33m 1 Stop (CLT)
      • BUFBuffalo Airport 11:32 - SEA 19:05 10h 33m 1 Stop (CLT) Charlotte
      • BUFBuffalo Airport 11:32
        CLTCharlotte Airport 16:18
      • CLTCharlotte Airport 13:43
        SEASeattle/Tacoma International Airport 19:05
      • 10h 33m (2h 35m)
      • 1 Stop CLT · Charlotte 2h 35m
      • American Airlines (AA 1476)Airbus
        American Airlines (AA 506)Airbus
      • American Airlines (AA 1476)
        • M
        • -
        • -
        • T
        • -
        • -
        • -
      • 11:35 BUF
        19:05 SEA
        10Hrs, 30m 1 Stop (CLT)
      • BUFBuffalo Airport 11:35 - SEA 19:05 10h 30m 1 Stop (CLT) Charlotte
      • BUFBuffalo Airport 11:35
        CLTCharlotte Airport 16:18
      • CLTCharlotte Airport 13:33
        SEASeattle/Tacoma International Airport 19:05
      • 10h 30m (2h 45m)
      • 1 Stop CLT · Charlotte 2h 45m
      • American Airlines (AA 1476)Airbus
        American Airlines (AA 506)Airbus
      • American Airlines (AA 1476)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 12:00 BUF
        20:20 SEA
        11Hrs, 20m 1 Stop (DEN)
      • BUFBuffalo Airport 12:00 - SEA 20:20 11h 20m 1 Stop (DEN) Denver
      • BUFBuffalo Airport 12:00
        DENDenver Intl Airport 18:20
      • DENDenver Intl Airport 13:40
        SEASeattle/Tacoma International Airport 20:20
      • 11h 20m (4h 40m)
      • 1 Stop DEN · Denver 4h 40m
      • Southwest Airlines (WN 2414)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 540)Boeing 737 800
      • Southwest Airlines (WN 2414)
        • M
        • -
        • -
        • T
        • F
        • -
        • S
      • 12:12 BUF
        20:36 SEA
        11Hrs, 24m 1 Stop (ORD)
      • BUFBuffalo Airport 12:12 - SEA 20:36 11h 24m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 12:12
        ORDChicago O'Hare International Airport 17:50
      • ORDChicago O'Hare International Airport 13:08
        SEASeattle/Tacoma International Airport 20:36
      • 11h 24m (4h 42m)
      • 1 Stop ORD · Chicago 4h 42m
      • American Airlines (AA 4140)Embraer 170
        Alaska Airlines (AS 353)Boeing 737
      • American Airlines (AA 4140)
        • M
        • -
        • -
        • -
        • -
        • -
        • -
      • 12:19 BUF
        20:36 SEA
        11Hrs, 17m 1 Stop (ORD)
      • BUFBuffalo Airport 12:19 - SEA 20:36 11h 17m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 12:19
        ORDChicago O'Hare International Airport 17:50
      • ORDChicago O'Hare International Airport 13:28
        SEASeattle/Tacoma International Airport 20:36
      • 11h 17m (4h 22m)
      • 1 Stop ORD · Chicago 4h 22m
      • American Airlines (AA 4722)Embraer Emb 175
        Alaska Airlines (AS 353)Boeing 737 Max 9 Passenger
      • American Airlines (AA 4722)
        • -
        • -
        • -
        • T
        • F
        • -
        • -
      • 12:19 BUF
        20:36 SEA
        11Hrs, 17m 1 Stop (ORD)
      • BUFBuffalo Airport 12:19 - SEA 20:36 11h 17m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 12:19
        ORDChicago O'Hare International Airport 17:50
      • ORDChicago O'Hare International Airport 13:28
        SEASeattle/Tacoma International Airport 20:36
      • 11h 17m (4h 22m)
      • 1 Stop ORD · Chicago 4h 22m
      • American Airlines (AA 4722)Embraer Emb 175
        Alaska Airlines (AS 353)Boeing 737 800
      • American Airlines (AA 4722)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 12:20 BUF
        20:36 SEA
        11Hrs, 16m 1 Stop (ORD)
      • BUFBuffalo Airport 12:20 - SEA 20:36 11h 16m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 12:20
        ORDChicago O'Hare International Airport 17:50
      • ORDChicago O'Hare International Airport 13:29
        SEASeattle/Tacoma International Airport 20:36
      • 11h 16m (4h 21m)
      • 1 Stop ORD · Chicago 4h 21m
      • American Airlines (AA 4722)Embraer Emb 175
        Alaska Airlines (AS 353)Boeing 737
      • American Airlines (AA 4722)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
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      How far is Seattle from Buffalo?

      The flight distance between Buffalo and Seattle is 3397km. Check all available flights on Wego.

      When is the earliest and latest flight of the day?

      The earliest flight of the day departs at 05:00. The last flight of the day departs at 05:00. See the full list of flight times on Wego.

      All Airports in Buffalo

      Buffalo Airport BUF

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