Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline Frontier Airlines
Cheapest Month No data available
Cheapest Day of the Week Friday
Cheapest Airline Frontier Airlines

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

  • Frontier Airlines Frontier Airlines
  • American Airlines American Airlines
  • JetBlue Airways JetBlue Airways
  • United Airlines United Airlines
  • Southwest Airlines Southwest Airlines
  • Alaska Airlines Alaska Airlines
Cheapest Month No data available
No data available

Currently we do not have data for this specific route. Please try to search directly from our search form

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Cheapest Day of the Week Friday

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

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

Flight Schedules

Last Updated: Fri, 2 May, 2025

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  • Availability
    • M
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  • 05:10 BUF
    10:15 SEA
    8Hrs, 05m 1 Stop (ORD)
  • BUFBuffalo Airport 05:10 - SEA 10:15 8h 05m 1 Stop (ORD) Chicago
  • BUFBuffalo Airport 05:10
    ORDChicago O'Hare International Airport 07:35
  • ORDChicago O'Hare International Airport 06:05
    SEASeattle/Tacoma International Airport 10:15
  • 8h 05m (1h 30m)
  • 1 Stop ORD · Chicago 1h 30m
  • American Airlines (AA 4377)Embraer Emb 175
    American Airlines (AA 2299)Airbus
  • American Airlines (AA 4377)
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    • S
  • 05:10 BUF
    10:27 SEA
    8Hrs, 17m 1 Stop (ORD)
  • BUFBuffalo Airport 05:10 - SEA 10:27 8h 17m 1 Stop (ORD) Chicago
  • BUFBuffalo Airport 05:10
    ORDChicago O'Hare International Airport 08:00
  • ORDChicago O'Hare International Airport 06:05
    SEASeattle/Tacoma International Airport 10:27
  • 8h 17m (1h 55m)
  • 1 Stop ORD · Chicago 1h 55m
  • American Airlines (AA 4377)Embraer Emb 175
    Alaska Airlines (AS 409)Boeing 737 800
  • American Airlines (AA 4377)
    • -
    • -
    • -
    • T
    • F
    • S
    • S
  • 10:34 PDX
    06:05 ORD
    9Hrs, 21m 1 Stop (SEA)
  • PDXPortland Airport 10:34 - ORD 06:05 9h 21m 1 Stop (SEA) Seattle
  • PDXPortland Airport 10:34
    BUFBuffalo Airport 05:10
  • SEASeattle/Tacoma International Airport 11:31
    ORDChicago O'Hare International Airport 06:05
  • 9h 21m (2h 06m)
  • 1 Stop SEA · Seattle 2h 06m
  • Alaska Airlines (AS 3431)Embraer Emb 175
    American Airlines (AA 4377)Embraer Emb 175
  • Alaska Airlines (AS 3431)
    • -
    • -
    • -
    • -
    • F
    • -
    • S
  • 10:34 PDX
    06:05 ORD
    9Hrs, 21m 1 Stop (SEA)
  • PDXPortland Airport 10:34 - ORD 06:05 9h 21m 1 Stop (SEA) Seattle
  • PDXPortland Airport 10:34
    BUFBuffalo Airport 05:10
  • SEASeattle/Tacoma International Airport 11:31
    ORDChicago O'Hare International Airport 06:05
  • 9h 21m (2h 06m)
  • 1 Stop SEA · Seattle 2h 06m
  • Alaska Airlines (AS 3431)Embraer Emb 175
    American Airlines (AA 4377)Embraer Emb 175
  • Alaska Airlines (AS 3431)
    • -
    • -
    • -
    • -
    • -
    • S
    • -
  • 05:10 BUF
    11:32 SEA
    9Hrs, 22m 1 Stop (ORD)
  • BUFBuffalo Airport 05:10 - SEA 11:32 9h 22m 1 Stop (ORD) Chicago
  • BUFBuffalo Airport 05:10
    ORDChicago O'Hare International Airport 09:00
  • ORDChicago O'Hare International Airport 06:05
    SEASeattle/Tacoma International Airport 11:32
  • 9h 22m (2h 55m)
  • 1 Stop ORD · Chicago 2h 55m
  • American Airlines (AA 4377)Embraer Emb 175
    Alaska Airlines (AS 329)Boeing 737
  • American Airlines (AA 4377)
    • M
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    • -
    • -
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  • 05:15 BUF
    10:39 SEA
    8Hrs, 24m 1 Stop (DCA)
  • BUFBuffalo Airport 05:15 - SEA 10:39 8h 24m 1 Stop (DCA) Washington
  • BUFBuffalo Airport 05:15
    DCAWashington Ronald Reagan National Airport 08:00
  • DCAWashington Ronald Reagan National Airport 06:38
    SEASeattle/Tacoma International Airport 10:39
  • 8h 24m (1h 22m)
  • 1 Stop DCA · Washington 1h 22m
  • American Airlines (AA 5072)Crj 700 Canadair Regional
    Alaska Airlines (AS 1)Boeing 737 800
  • American Airlines (AA 5072)
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • 05:17 BUF
    10:39 SEA
    8Hrs, 22m 1 Stop (DCA)
  • BUFBuffalo Airport 05:17 - SEA 10:39 8h 22m 1 Stop (DCA) Washington
  • BUFBuffalo Airport 05:17
    DCAWashington Ronald Reagan National Airport 08:00
  • DCAWashington Ronald Reagan National Airport 06:40
    SEASeattle/Tacoma International Airport 10:39
  • 8h 22m (1h 20m)
  • 1 Stop DCA · Washington 1h 20m
  • American Airlines (AA 5203)Crj 700 Canadair Regional
    Alaska Airlines (AS 1)Boeing 737 800
  • American Airlines (AA 5203)
    • -
    • -
    • -
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    • F
    • -
    • -
  • 05:17 BUF
    10:40 SEA
    8Hrs, 23m 1 Stop (DCA)
  • BUFBuffalo Airport 05:17 - SEA 10:40 8h 23m 1 Stop (DCA) Washington
  • BUFBuffalo Airport 05:17
    DCAWashington Ronald Reagan National Airport 08:00
  • DCAWashington Ronald Reagan National Airport 06:40
    SEASeattle/Tacoma International Airport 10:40
  • 8h 23m (1h 20m)
  • 1 Stop DCA · Washington 1h 20m
  • American Airlines (AA 5203)Crj 700 Canadair Regional
    Alaska Airlines (AS 1)Boeing 737 800
  • American Airlines (AA 5203)
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    • -
    • -
  • 09:00 BNA
    06:40 DCA
    9Hrs, 46m 1 Stop (SEA)
  • BNANashville Airport 09:00 - DCA 06:40 9h 46m 1 Stop (SEA) Seattle
  • BNANashville Airport 09:00
    BUFBuffalo Airport 05:17
  • SEASeattle/Tacoma International Airport 12:03
    DCAWashington Ronald Reagan National Airport 06:40
  • 9h 46m (1h 21m)
  • 1 Stop SEA · Seattle 1h 21m
  • Alaska Airlines (AS 411)Boeing 737
    American Airlines (AA 5203)Crj 700 Canadair Regional
  • Alaska Airlines (AS 411)
    • -
    • -
    • -
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    • F
    • -
    • -
  • 05:37 BUF
    10:39 SEA
    8Hrs, 02m 1 Stop (DCA)
  • BUFBuffalo Airport 05:37 - SEA 10:39 8h 02m 1 Stop (DCA) Washington
  • BUFBuffalo Airport 05:37
    DCAWashington Ronald Reagan National Airport 08:00
  • DCAWashington Ronald Reagan National Airport 07:00
    SEASeattle/Tacoma International Airport 10:39
  • 8h 02m (1h)
  • 1 Stop DCA · Washington 1h
  • American Airlines (AA 5203)Crj 700 Canadair Regional
    Alaska Airlines (AS 1)Boeing 737 800
  • American Airlines (AA 5203)
    • -
    • -
    • -
    • -
    • -
    • S
    • -
  • 06:00 BUF
    11:38 SEA
    8Hrs, 38m 1 Stop (IAD)
  • BUFBuffalo Airport 06:00 - SEA 11:38 8h 38m 1 Stop (IAD) Washington
  • BUFBuffalo Airport 06:00
    IADWashington Dulles International Airport 08:46
  • IADWashington Dulles International Airport 07:19
    SEASeattle/Tacoma International Airport 11:38
  • 8h 38m (1h 27m)
  • 1 Stop IAD · Washington 1h 27m
  • United Airlines (UA 3645)Embraer 175
    United Airlines (UA 2005)Boeing 737 900
  • United Airlines (UA 3645)
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    • -
  • 06:00 BUF
    11:38 SEA
    8Hrs, 38m 1 Stop (IAD)
  • BUFBuffalo Airport 06:00 - SEA 11:38 8h 38m 1 Stop (IAD) Washington
  • BUFBuffalo Airport 06:00
    IADWashington Dulles International Airport 08:46
  • IADWashington Dulles International Airport 07:19
    SEASeattle/Tacoma International Airport 11:38
  • 8h 38m (1h 27m)
  • 1 Stop IAD · Washington 1h 27m
  • United Airlines (UA 3645)Embraer 170
    United Airlines (UA 2005)Boeing 737 900
  • United Airlines (UA 3645)
    • -
    • -
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    • -
    • -
    • -
    • -
  • 06:00 BUF
    11:39 SEA
    8Hrs, 39m 1 Stop (IAD)
  • BUFBuffalo Airport 06:00 - SEA 11:39 8h 39m 1 Stop (IAD) Washington
  • BUFBuffalo Airport 06:00
    IADWashington Dulles International Airport 08:46
  • IADWashington Dulles International Airport 07:19
    SEASeattle/Tacoma International Airport 11:39
  • 8h 39m (1h 27m)
  • 1 Stop IAD · Washington 1h 27m
  • United Airlines (UA 3645)Embraer 175
    United Airlines (UA 2005)Airbus
  • United Airlines (UA 3645)
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • 06:10 BUF
    12:28 SEA
    9Hrs, 18m 1 Stop (CLT)
  • BUFBuffalo Airport 06:10 - SEA 12:28 9h 18m 1 Stop (CLT) Charlotte
  • BUFBuffalo Airport 06:10
    CLTCharlotte Airport 09:35
  • CLTCharlotte Airport 08:05
    SEASeattle/Tacoma International Airport 12:28
  • 9h 18m (1h 30m)
  • 1 Stop CLT · Charlotte 1h 30m
  • American Airlines (AA 1204)Airbus
    American Airlines (AA 2407)Airbus A321 Neo
  • American Airlines (AA 1204)
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  • 06:25 BUF
    14:00 SEA
    10Hrs, 35m 1 Stop (MDW)
  • BUFBuffalo Airport 06:25 - SEA 14:00 10h 35m 1 Stop (MDW) Chicago
  • BUFBuffalo Airport 06:25
    MDWChicago Midway Airport 11:35
  • MDWChicago Midway Airport 07:05
    SEASeattle/Tacoma International Airport 14:00
  • 10h 35m (4h 30m)
  • 1 Stop MDW · Chicago 4h 30m
  • Southwest Airlines (WN 3872)Boeing 737 800
    Southwest Airlines (WN 1206)Boeing 737 Max 8 Passenger
  • Southwest Airlines (WN 3872)
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • 06:25 BUF
    14:05 SEA
    10Hrs, 40m 1 Stop (MDW)
  • BUFBuffalo Airport 06:25 - SEA 14:05 10h 40m 1 Stop (MDW) Chicago
  • BUFBuffalo Airport 06:25
    MDWChicago Midway Airport 11:40
  • MDWChicago Midway Airport 07:05
    SEASeattle/Tacoma International Airport 14:05
  • 10h 40m (4h 35m)
  • 1 Stop MDW · Chicago 4h 35m
  • Southwest Airlines (WN 3872)Boeing 737 Max 8 Passenger
    Southwest Airlines (WN 1129)Boeing 737 Max 8 Passenger
  • Southwest Airlines (WN 3872)
    • M
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    • F
    • -
    • -
  • 06:45 BUF
    11:25 SEA
    7Hrs, 40m 1 Stop (ORD)
  • BUFBuffalo Airport 06:45 - SEA 11:25 7h 40m 1 Stop (ORD) Chicago
  • BUFBuffalo Airport 06:45
    ORDChicago O'Hare International Airport 08:45
  • ORDChicago O'Hare International Airport 07:43
    SEASeattle/Tacoma International Airport 11:25
  • 7h 40m (1h 02m)
  • 1 Stop ORD · Chicago 1h 02m
  • United Airlines (UA 329)Boeing 737 700
    United Airlines (UA 1414)Airbus A321 Neo
  • United Airlines (UA 329)
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  • 06:45 BUF
    11:25 SEA
    7Hrs, 40m 1 Stop (ORD)
  • BUFBuffalo Airport 06:45 - SEA 11:25 7h 40m 1 Stop (ORD) Chicago
  • BUFBuffalo Airport 06:45
    ORDChicago O'Hare International Airport 08:45
  • ORDChicago O'Hare International Airport 07:43
    SEASeattle/Tacoma International Airport 11:25
  • 7h 40m (1h 02m)
  • 1 Stop ORD · Chicago 1h 02m
  • United Airlines (UA 329)Airbus
    United Airlines (UA 1414)Airbus A321 Neo
  • United Airlines (UA 329)
    • -
    • -
    • -
    • -
    • -
    • S
    • -
  • 06:45 BUF
    13:19 SEA
    9Hrs, 34m 1 Stop (ORD)
  • BUFBuffalo Airport 06:45 - SEA 13:19 9h 34m 1 Stop (ORD) Chicago
  • BUFBuffalo Airport 06:45
    ORDChicago O'Hare International Airport 10:35
  • ORDChicago O'Hare International Airport 07:43
    SEASeattle/Tacoma International Airport 13:19
  • 9h 34m (2h 52m)
  • 1 Stop ORD · Chicago 2h 52m
  • United Airlines (UA 329)Boeing 737 700
    United Airlines (UA 2432)Airbus
  • United Airlines (UA 329)
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  • 06:45 BUF
    13:19 SEA
    9Hrs, 34m 1 Stop (ORD)
  • BUFBuffalo Airport 06:45 - SEA 13:19 9h 34m 1 Stop (ORD) Chicago
  • BUFBuffalo Airport 06:45
    ORDChicago O'Hare International Airport 10:35
  • ORDChicago O'Hare International Airport 07:43
    SEASeattle/Tacoma International Airport 13:19
  • 9h 34m (2h 52m)
  • 1 Stop ORD · Chicago 2h 52m
  • United Airlines (UA 329)Airbus
    United Airlines (UA 2432)Boeing 737 700
  • United Airlines (UA 329)
    • -
    • -
    • -
    • -
    • -
    • S
    • -
  • 11:29 DEN
    07:43 ORD
    9Hrs, 45m 1 Stop (SEA)
  • DENDenver Intl Airport 11:29 - ORD 07:43 9h 45m 1 Stop (SEA) Seattle
  • DENDenver Intl Airport 11:29
    BUFBuffalo Airport 06:45
  • SEASeattle/Tacoma International Airport 13:30
    ORDChicago O'Hare International Airport 07:43
  • 9h 45m (1h 50m)
  • 1 Stop SEA · Seattle 1h 50m
  • United Airlines (UA 690)Boeing 737 800
    United Airlines (UA 329)Airbus
  • United Airlines (UA 690)
    • -
    • -
    • -
    • -
    • -
    • S
    • -
  • 11:29 DEN
    07:43 ORD
    9Hrs, 45m 1 Stop (SEA)
  • DENDenver Intl Airport 11:29 - ORD 07:43 9h 45m 1 Stop (SEA) Seattle
  • DENDenver Intl Airport 11:29
    BUFBuffalo Airport 06:45
  • SEASeattle/Tacoma International Airport 13:30
    ORDChicago O'Hare International Airport 07:43
  • 9h 45m (1h 50m)
  • 1 Stop SEA · Seattle 1h 50m
  • United Airlines (UA 690)Boeing 737 800
    United Airlines (UA 329)Boeing 737 700
  • United Airlines (UA 690)
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    • T
    • F
    • -
    • S
  • 06:45 BUF
    14:55 SEA
    11Hrs, 10m 1 Stop (LAS)
  • BUFBuffalo Airport 06:45 - SEA 14:55 11h 10m 1 Stop (LAS) Las Vegas
  • BUFBuffalo Airport 06:45
    LASLas Vegas McCarran International Airport 12:05
  • LASLas Vegas McCarran International Airport 08:45
    SEASeattle/Tacoma International Airport 14:55
  • 11h 10m (3h 20m)
  • 1 Stop LAS · Las Vegas 3h 20m
  • Southwest Airlines (WN 3964)Boeing 737 Max 8 Passenger
    Southwest Airlines (WN 3712)Boeing 737 800
  • Southwest Airlines (WN 3964)
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • 06:49 BUF
    12:58 SEA
    9Hrs, 09m 1 Stop (DFW)
  • BUFBuffalo Airport 06:49 - SEA 12:58 9h 09m 1 Stop (DFW) Dallas
  • BUFBuffalo Airport 06:49
    DFWDallas/Fort Worth Intl Airport 10:30
  • DFWDallas/Fort Worth Intl Airport 09:04
    SEASeattle/Tacoma International Airport 12:58
  • 9h 09m (1h 26m)
  • 1 Stop DFW · Dallas 1h 26m
  • American Airlines (AA 882)Airbus
    American Airlines (AA 2891)Airbus
  • American Airlines (AA 882)
    • M
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    • T
    • F
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    • S
  • 08:00 BUF
    12:25 SEA
    7Hrs, 25m 1 Stop (ORD)
  • BUFBuffalo Airport 08:00 - SEA 12:25 7h 25m 1 Stop (ORD) Chicago
  • BUFBuffalo Airport 08:00
    ORDChicago O'Hare International Airport 10:00
  • ORDChicago O'Hare International Airport 08:54
    SEASeattle/Tacoma International Airport 12:25
  • 7h 25m (1h 06m)
  • 1 Stop ORD · Chicago 1h 06m
  • American Airlines (AA 3875)Embraer 170
    Alaska Airlines (AS 329)Boeing 737
  • American Airlines (AA 3875)
    • -
    • -
    • -
    • T
    • -
    • S
    • S
  • 08:00 BUF
    12:25 SEA
    7Hrs, 25m 1 Stop (ORD)
  • BUFBuffalo Airport 08:00 - SEA 12:25 7h 25m 1 Stop (ORD) Chicago
  • BUFBuffalo Airport 08:00
    ORDChicago O'Hare International Airport 10:00
  • ORDChicago O'Hare International Airport 08:54
    SEASeattle/Tacoma International Airport 12:25
  • 7h 25m (1h 06m)
  • 1 Stop ORD · Chicago 1h 06m
  • American Airlines (AA 3875)Embraer 170
    Alaska Airlines (AS 329)Boeing 737 Max 9 Passenger
  • American Airlines (AA 3875)
    • -
    • -
    • -
    • -
    • F
    • -
    • -
  • 08:00 BUF
    12:47 SEA
    7Hrs, 47m 1 Stop (ORD)
  • BUFBuffalo Airport 08:00 - SEA 12:47 7h 47m 1 Stop (ORD) Chicago
  • BUFBuffalo Airport 08:00
    ORDChicago O'Hare International Airport 10:09
  • ORDChicago O'Hare International Airport 08:54
    SEASeattle/Tacoma International Airport 12:47
  • 7h 47m (1h 15m)
  • 1 Stop ORD · Chicago 1h 15m
  • American Airlines (AA 3875)Embraer 170
    American Airlines (AA 2398)Airbus
  • American Airlines (AA 3875)
    • M
    • T
    • W
    • T
    • F
    • S
    • S
  • 08:00 BUF
    13:32 SEA
    8Hrs, 32m 1 Stop (ORD)
  • BUFBuffalo Airport 08:00 - SEA 13:32 8h 32m 1 Stop (ORD) Chicago
  • BUFBuffalo Airport 08:00
    ORDChicago O'Hare International Airport 11:00
  • ORDChicago O'Hare International Airport 08:54
    SEASeattle/Tacoma International Airport 13:32
  • 8h 32m (2h 06m)
  • 1 Stop ORD · Chicago 2h 06m
  • American Airlines (AA 3875)Embraer 170
    Alaska Airlines (AS 829)Boeing 737 Max 9 Passenger
  • American Airlines (AA 3875)
    • M
    • -
    • -
    • -
    • -
    • -
    • -
  • 08:00 BUF
    14:33 SEA
    9Hrs, 33m 1 Stop (ORD)
  • BUFBuffalo Airport 08:00 - SEA 14:33 9h 33m 1 Stop (ORD) Chicago
  • BUFBuffalo Airport 08:00
    ORDChicago O'Hare International Airport 12:00
  • ORDChicago O'Hare International Airport 08:54
    SEASeattle/Tacoma International Airport 14:33
  • 9h 33m (3h 06m)
  • 1 Stop ORD · Chicago 3h 06m
  • American Airlines (AA 3875)Embraer 170
    Alaska Airlines (AS 829)Boeing 737 Max 9 Passenger
  • American Airlines (AA 3875)
    • -
    • -
    • W
    • -
    • -
    • -
    • -
  • 08:00 BUF
    14:33 SEA
    9Hrs, 33m 1 Stop (ORD)
  • BUFBuffalo Airport 08:00 - SEA 14:33 9h 33m 1 Stop (ORD) Chicago
  • BUFBuffalo Airport 08:00
    ORDChicago O'Hare International Airport 12:00
  • ORDChicago O'Hare International Airport 08:54
    SEASeattle/Tacoma International Airport 14:33
  • 9h 33m (3h 06m)
  • 1 Stop ORD · Chicago 3h 06m
  • American Airlines (AA 3875)Embraer 170
    Alaska Airlines (AS 829)Boeing 737
  • American Airlines (AA 3875)
    • -
    • T
    • -
    • -
    • -
    • -
    • -
  • 10:11 BUF
    14:33 SEA
    7Hrs, 22m 1 Stop (ORD)
  • BUFBuffalo Airport 10:11 - SEA 14:33 7h 22m 1 Stop (ORD) Chicago
  • BUFBuffalo Airport 10:11
    ORDChicago O'Hare International Airport 12:00
  • ORDChicago O'Hare International Airport 11:05
    SEASeattle/Tacoma International Airport 14:33
  • 7h 22m (55m)
  • 1 Stop ORD · Chicago 55m
  • American Airlines (AA 3410)Embraer 170
    Alaska Airlines (AS 829)Boeing 737 Max 9 Passenger
  • American Airlines (AA 3410)
    • -
    • -
    • W
    • -
    • -
    • -
    • -
  • 10:11 BUF
    14:33 SEA
    7Hrs, 22m 1 Stop (ORD)
  • BUFBuffalo Airport 10:11 - SEA 14:33 7h 22m 1 Stop (ORD) Chicago
  • BUFBuffalo Airport 10:11
    ORDChicago O'Hare International Airport 12:00
  • ORDChicago O'Hare International Airport 11:05
    SEASeattle/Tacoma International Airport 14:33
  • 7h 22m (55m)
  • 1 Stop ORD · Chicago 55m
  • American Airlines (AA 3410)Embraer 170
    Alaska Airlines (AS 829)Boeing 737
  • American Airlines (AA 3410)
    • -
    • T
    • -
    • -
    • -
    • -
    • -
  • 14:49 MKE
    11:05 ORD
    10Hrs, 08m 1 Stop (SEA)
  • MKEMilwaukee General Mitchell Intl Airport 14:49 - ORD 11:05 10h 08m 1 Stop (SEA) Seattle
  • MKEMilwaukee General Mitchell Intl Airport 14:49
    BUFBuffalo Airport 10:11
  • SEASeattle/Tacoma International Airport 17:19
    ORDChicago O'Hare International Airport 11:05
  • 10h 08m (2h 52m)
  • 1 Stop SEA · Seattle 2h 52m
  • Alaska Airlines (AS 355)Boeing 737 Max 8 Passenger
    American Airlines (AA 3410)Embraer 170
  • Alaska Airlines (AS 355)
    • -
    • -
    • -
    • T
    • F
    • -
    • S
  • 14:49 MKE
    11:05 ORD
    10Hrs, 08m 1 Stop (SEA)
  • MKEMilwaukee General Mitchell Intl Airport 14:49 - ORD 11:05 10h 08m 1 Stop (SEA) Seattle
  • MKEMilwaukee General Mitchell Intl Airport 14:49
    BUFBuffalo Airport 10:11
  • SEASeattle/Tacoma International Airport 17:19
    ORDChicago O'Hare International Airport 11:05
  • 10h 08m (2h 52m)
  • 1 Stop SEA · Seattle 2h 52m
  • Alaska Airlines (AS 355)Boeing 737
    American Airlines (AA 3410)Embraer 170
  • Alaska Airlines (AS 355)
    • -
    • -
    • -
    • -
    • -
    • S
    • -
  • 10:11 BUF
    17:28 SEA
    10Hrs, 17m 1 Stop (ORD)
  • BUFBuffalo Airport 10:11 - SEA 17:28 10h 17m 1 Stop (ORD) Chicago
  • BUFBuffalo Airport 10:11
    ORDChicago O'Hare International Airport 14:50
  • ORDChicago O'Hare International Airport 11:05
    SEASeattle/Tacoma International Airport 17:28
  • 10h 17m (3h 45m)
  • 1 Stop ORD · Chicago 3h 45m
  • American Airlines (AA 3410)Embraer 170
    American Airlines (AA 2675)Boeing 737 Max 8 Passenger
  • American Airlines (AA 3410)
    • M
    • T
    • W
    • T
    • F
    • S
    • S
  • 10:11 BUF
    17:54 SEA
    10Hrs, 43m 1 Stop (ORD)
  • BUFBuffalo Airport 10:11 - SEA 17:54 10h 43m 1 Stop (ORD) Chicago
  • BUFBuffalo Airport 10:11
    ORDChicago O'Hare International Airport 15:17
  • ORDChicago O'Hare International Airport 11:05
    SEASeattle/Tacoma International Airport 17:54
  • 10h 43m (4h 12m)
  • 1 Stop ORD · Chicago 4h 12m
  • American Airlines (AA 3410)Embraer 170
    Alaska Airlines (AS 407)Boeing 737
  • American Airlines (AA 3410)
    • -
    • -
    • -
    • T
    • F
    • S
    • S
  • 10:11 BUF
    18:21 SEA
    11Hrs, 10m 1 Stop (ORD)
  • BUFBuffalo Airport 10:11 - SEA 18:21 11h 10m 1 Stop (ORD) Chicago
  • BUFBuffalo Airport 10:11
    ORDChicago O'Hare International Airport 15:44
  • ORDChicago O'Hare International Airport 11:05
    SEASeattle/Tacoma International Airport 18:21
  • 11h 10m (4h 39m)
  • 1 Stop ORD · Chicago 4h 39m
  • American Airlines (AA 3410)Embraer 170
    Alaska Airlines (AS 407)Boeing 737
  • American Airlines (AA 3410)
    • M
    • -
    • -
    • -
    • -
    • -
    • -
  • 10:35 BUF
    15:10 SEA
    7Hrs, 35m 1 Stop (DEN)
  • BUFBuffalo Airport 10:35 - SEA 15:10 7h 35m 1 Stop (DEN) Denver
  • BUFBuffalo Airport 10:35
    DENDenver Intl Airport 13:15
  • DENDenver Intl Airport 12:10
    SEASeattle/Tacoma International Airport 15:10
  • 7h 35m (1h 05m)
  • 1 Stop DEN · Denver 1h 05m
  • Southwest Airlines (WN 954)Boeing 737 700
    Southwest Airlines (WN 727)Boeing 737 Max 8 Passenger
  • Southwest Airlines (WN 954)
    • -
    • T
    • W
    • -
    • -
    • -
    • -
  • 11:00 BUF
    16:22 SEA
    8Hrs, 22m 1 Stop (ORD)
  • BUFBuffalo Airport 11:00 - SEA 16:22 8h 22m 1 Stop (ORD) Chicago
  • BUFBuffalo Airport 11:00
    ORDChicago O'Hare International Airport 13:40
  • ORDChicago O'Hare International Airport 12:04
    SEASeattle/Tacoma International Airport 16:22
  • 8h 22m (1h 36m)
  • 1 Stop ORD · Chicago 1h 36m
  • United Airlines (UA 3537)Embraer 175
    United Airlines (UA 1485)Airbus
  • United Airlines (UA 3537)
    • M
    • T
    • W
    • T
    • F
    • -
    • -
  • 11:00 BUF
    16:22 SEA
    8Hrs, 22m 1 Stop (ORD)
  • BUFBuffalo Airport 11:00 - SEA 16:22 8h 22m 1 Stop (ORD) Chicago
  • BUFBuffalo Airport 11:00
    ORDChicago O'Hare International Airport 13:40
  • ORDChicago O'Hare International Airport 12:04
    SEASeattle/Tacoma International Airport 16:22
  • 8h 22m (1h 36m)
  • 1 Stop ORD · Chicago 1h 36m
  • United Airlines (UA 3537)Embraer 170
    United Airlines (UA 1485)Airbus
  • United Airlines (UA 3537)
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • 16:05 DEN
    12:04 ORD
    10Hrs, 06m 1 Stop (SEA)
  • DENDenver Intl Airport 16:05 - ORD 12:04 10h 06m 1 Stop (SEA) Seattle
  • DENDenver Intl Airport 16:05
    BUFBuffalo Airport 11:00
  • SEASeattle/Tacoma International Airport 18:06
    ORDChicago O'Hare International Airport 12:04
  • 10h 06m (2h 06m)
  • 1 Stop SEA · Seattle 2h 06m
  • United Airlines (UA 745)Boeing 737 800
    United Airlines (UA 3537)Embraer 170
  • United Airlines (UA 745)
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • 16:05 DEN
    12:04 ORD
    10Hrs, 06m 1 Stop (SEA)
  • DENDenver Intl Airport 16:05 - ORD 12:04 10h 06m 1 Stop (SEA) Seattle
  • DENDenver Intl Airport 16:05
    BUFBuffalo Airport 11:00
  • SEASeattle/Tacoma International Airport 18:06
    ORDChicago O'Hare International Airport 12:04
  • 10h 06m (2h 06m)
  • 1 Stop SEA · Seattle 2h 06m
  • United Airlines (UA 745)Boeing 737 800
    United Airlines (UA 3537)Embraer 175
  • United Airlines (UA 745)
    • M
    • -
    • -
    • T
    • F
    • -
    • -
  • 16:05 DEN
    12:04 ORD
    10Hrs, 06m 1 Stop (SEA)
  • DENDenver Intl Airport 16:05 - ORD 12:04 10h 06m 1 Stop (SEA) Seattle
  • DENDenver Intl Airport 16:05
    BUFBuffalo Airport 11:00
  • SEASeattle/Tacoma International Airport 18:06
    ORDChicago O'Hare International Airport 12:04
  • 10h 06m (2h 06m)
  • 1 Stop SEA · Seattle 2h 06m
  • United Airlines (UA 745)Boeing 737 Max 9 Passenger
    United Airlines (UA 3537)Embraer 175
  • United Airlines (UA 745)
    • -
    • T
    • -
    • -
    • -
    • -
    • -
  • 16:05 DEN
    12:04 ORD
    10Hrs, 06m 1 Stop (SEA)
  • DENDenver Intl Airport 16:05 - ORD 12:04 10h 06m 1 Stop (SEA) Seattle
  • DENDenver Intl Airport 16:05
    BUFBuffalo Airport 11:00
  • SEASeattle/Tacoma International Airport 18:06
    ORDChicago O'Hare International Airport 12:04
  • 10h 06m (2h 06m)
  • 1 Stop SEA · Seattle 2h 06m
  • United Airlines (UA 745)Airbus
    United Airlines (UA 3537)Embraer 175
  • United Airlines (UA 745)
    • -
    • -
    • W
    • -
    • -
    • -
    • -
  • 11:00 BUF
    18:52 SEA
    10Hrs, 52m 1 Stop (ORD)
  • BUFBuffalo Airport 11:00 - SEA 18:52 10h 52m 1 Stop (ORD) Chicago
  • BUFBuffalo Airport 11:00
    ORDChicago O'Hare International Airport 16:10
  • ORDChicago O'Hare International Airport 12:04
    SEASeattle/Tacoma International Airport 18:52
  • 10h 52m (4h 06m)
  • 1 Stop ORD · Chicago 4h 06m
  • United Airlines (UA 3537)Embraer 170
    United Airlines (UA 2278)Airbus
  • United Airlines (UA 3537)
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • 11:00 BUF
    18:52 SEA
    10Hrs, 52m 1 Stop (ORD)
  • BUFBuffalo Airport 11:00 - SEA 18:52 10h 52m 1 Stop (ORD) Chicago
  • BUFBuffalo Airport 11:00
    ORDChicago O'Hare International Airport 16:10
  • ORDChicago O'Hare International Airport 12:04
    SEASeattle/Tacoma International Airport 18:52
  • 10h 52m (4h 06m)
  • 1 Stop ORD · Chicago 4h 06m
  • United Airlines (UA 3537)Embraer 175
    United Airlines (UA 2278)Airbus
  • United Airlines (UA 3537)
    • M
    • T
    • W
    • T
    • F
    • -
    • -
  • 11:25 BUF
    16:30 SEA
    8Hrs, 05m 1 Stop (DEN)
  • BUFBuffalo Airport 11:25 - SEA 16:30 8h 05m 1 Stop (DEN) Denver
  • BUFBuffalo Airport 11:25
    DENDenver Intl Airport 14:35
  • DENDenver Intl Airport 13:00
    SEASeattle/Tacoma International Airport 16:30
  • 8h 05m (1h 35m)
  • 1 Stop DEN · Denver 1h 35m
  • Southwest Airlines (WN 4008)Boeing 737 700
    Southwest Airlines (WN 4696)Boeing 737 Max 8 Passenger
  • Southwest Airlines (WN 4008)
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • 12:01 BUF
    17:46 SEA
    8Hrs, 45m 1 Stop (CLT)
  • BUFBuffalo Airport 12:01 - SEA 17:46 8h 45m 1 Stop (CLT) Charlotte
  • BUFBuffalo Airport 12:01
    CLTCharlotte Airport 15:05
  • CLTCharlotte Airport 13:56
    SEASeattle/Tacoma International Airport 17:46
  • 8h 45m (1h 09m)
  • 1 Stop CLT · Charlotte 1h 09m
  • American Airlines (AA 1203)Airbus
    American Airlines (AA 2101)Airbus
  • American Airlines (AA 1203)
    • M
    • T
    • W
    • T
    • F
    • -
    • S
  • 12:01 BUF
    19:36 SEA
    10Hrs, 35m 1 Stop (CLT)
  • BUFBuffalo Airport 12:01 - SEA 19:36 10h 35m 1 Stop (CLT) Charlotte
  • BUFBuffalo Airport 12:01
    CLTCharlotte Airport 16:55
  • CLTCharlotte Airport 13:56
    SEASeattle/Tacoma International Airport 19:36
  • 10h 35m (2h 59m)
  • 1 Stop CLT · Charlotte 2h 59m
  • American Airlines (AA 1203)Airbus
    American Airlines (AA 506)Airbus
  • American Airlines (AA 1203)
    • M
    • T
    • W
    • T
    • F
    • -
    • S
  • 12:05 BUF
    17:46 SEA
    8Hrs, 41m 1 Stop (CLT)
  • BUFBuffalo Airport 12:05 - SEA 17:46 8h 41m 1 Stop (CLT) Charlotte
  • BUFBuffalo Airport 12:05
    CLTCharlotte Airport 15:05
  • CLTCharlotte Airport 14:00
    SEASeattle/Tacoma International Airport 17:46
  • 8h 41m (1h 05m)
  • 1 Stop CLT · Charlotte 1h 05m
  • American Airlines (AA 1203)Airbus
    American Airlines (AA 2101)Airbus
  • American Airlines (AA 1203)
    • -
    • -
    • -
    • -
    • -
    • S
    • -
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What’s the most popular airline flying from Buffalo to Seattle?

The most popular airline flying from Buffalo to Seattle is American Airlines. Find the latest flight deals on Wego.

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 05:10. The last flight of the day departs at 05:10. See the full list of flight times on Wego.