Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline JetBlue Airways

The cheapest airline(s) flying from Seattle to Boston is JetBlue Airways.

  • JetBlue Airways JetBlue Airways
  • Alaska Airlines Alaska Airlines
  • United Airlines United Airlines
  • Southwest Airlines Southwest Airlines
  • American Airlines American Airlines
  • Spirit Airlines Spirit Airlines
  • Sun Country Airlines Sun Country Airlines
Cheapest Month April

Travel Period: January 2025 - December 2025

The cheapest month(s) to fly from Seattle to Boston is April.

  • 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 Saturday

The cheapest day(s) of the week to fly from Seattle to Boston is Saturday.

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

Flight Schedules

Last Updated: Mon, 2 Dec, 2024

  • Time Earliest
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    • Airline Filter by Airline
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      • Availability
        • M
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      • 21:10 SEA
        05:30 BOS
        5Hrs, 20m Direct
      • SEASeattle/Tacoma International Airport 21:10 - BOS 05:30 5h 20m Direct
      • SEASeattle/Tacoma International Airport 21:10
      • BOSBoston Logan International Airport 05:30
      • 5h 20m
      • Direct
      • Alaska Airlines (AS 424)Boeing 737 Max 9 Passenger
      • Alaska Airlines (AS 424)
        • -
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      • Boeing 737 Max 9 Passenger
      • 21:10 SEA
        05:30 BOS
        5Hrs, 20m Direct
      • SEASeattle/Tacoma International Airport 21:10 - BOS 05:30 5h 20m Direct
      • SEASeattle/Tacoma International Airport 21:10
      • BOSBoston Logan International Airport 05:30
      • 5h 20m
      • Direct
      • Alaska Airlines (AS 424)Boeing 737 800
      • Alaska Airlines (AS 424)
        • -
        • -
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        • S
      • Boeing 737 800
      • 21:20 SEA
        05:40 BOS
        5Hrs, 20m Direct
      • SEASeattle/Tacoma International Airport 21:20 - BOS 05:40 5h 20m Direct
      • SEASeattle/Tacoma International Airport 21:20
      • BOSBoston Logan International Airport 05:40
      • 5h 20m
      • Direct
      • Alaska Airlines (AS 424)Boeing 737 800
      • Alaska Airlines (AS 424)
        • -
        • -
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        • -
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      • Boeing 737 800
      • 21:20 SEA
        05:40 BOS
        5Hrs, 20m Direct
      • SEASeattle/Tacoma International Airport 21:20 - BOS 05:40 5h 20m Direct
      • SEASeattle/Tacoma International Airport 21:20
      • BOSBoston Logan International Airport 05:40
      • 5h 20m
      • Direct
      • Alaska Airlines (AS 424)Boeing 737 Max 9 Passenger
      • Alaska Airlines (AS 424)
        • -
        • -
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        • -
      • Boeing 737 Max 9 Passenger
      • 06:34 SEA
        15:00 BOS
        5Hrs, 26m Direct
      • SEASeattle/Tacoma International Airport 06:34 - BOS 15:00 5h 26m Direct
      • SEASeattle/Tacoma International Airport 06:34
      • BOSBoston Logan International Airport 15:00
      • 5h 26m
      • Direct
      • Alaska Airlines (AS 306)Boeing 737 Max 9 Passenger
      • Alaska Airlines (AS 306)
        • -
        • -
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        • -
        • -
        • -
        • S
      • Boeing 737 Max 9 Passenger
      • 06:34 SEA
        15:00 BOS
        5Hrs, 26m Direct
      • SEASeattle/Tacoma International Airport 06:34 - BOS 15:00 5h 26m Direct
      • SEASeattle/Tacoma International Airport 06:34
      • BOSBoston Logan International Airport 15:00
      • 5h 26m
      • Direct
      • Alaska Airlines (AS 306)Boeing 737 800
      • Alaska Airlines (AS 306)
        • -
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        • -
      • Boeing 737 800
      • 07:00 SEA
        15:13 BOS
        5Hrs, 13m Direct
      • SEASeattle/Tacoma International Airport 07:00 - BOS 15:13 5h 13m Direct
      • SEASeattle/Tacoma International Airport 07:00
      • BOSBoston Logan International Airport 15:13
      • 5h 13m
      • Direct
      • Alaska Airlines (AS 306)Boeing 737 Max 9 Passenger
      • Alaska Airlines (AS 306)
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      • Boeing 737 Max 9 Passenger
      • 07:00 SEA
        15:13 BOS
        5Hrs, 13m Direct
      • SEASeattle/Tacoma International Airport 07:00 - BOS 15:13 5h 13m Direct
      • SEASeattle/Tacoma International Airport 07:00
      • BOSBoston Logan International Airport 15:13
      • 5h 13m
      • Direct
      • Alaska Airlines (AS 306)Boeing 737 800
      • Alaska Airlines (AS 306)
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      • Boeing 737 800
      • 07:15 SEA
        22:12 BOS
        11Hrs, 57m Direct
      • SEASeattle/Tacoma International Airport 07:15 - BOS 22:12 11h 57m Direct
      • SEASeattle/Tacoma International Airport 07:15
      • BOSBoston Logan International Airport 22:12
      • 11h 57m
      • Direct
      • United Airlines (UA 1403)Boeing 737 900
      • United Airlines (UA 1403)
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        • S
      • Boeing 737 900
      • 10:41 SEA
        18:59 BOS
        5Hrs, 18m Direct
      • SEASeattle/Tacoma International Airport 10:41 - BOS 18:59 5h 18m Direct
      • SEASeattle/Tacoma International Airport 10:41
      • BOSBoston Logan International Airport 18:59
      • 5h 18m
      • Direct
      • Alaska Airlines (AS 424)Boeing 737
      • Alaska Airlines (AS 424)
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      • Boeing 737
      • 11:00 SEA
        19:20 BOS
        5Hrs, 20m Direct
      • SEASeattle/Tacoma International Airport 11:00 - BOS 19:20 5h 20m Direct
      • SEASeattle/Tacoma International Airport 11:00
      • BOSBoston Logan International Airport 19:20
      • 5h 20m
      • Direct
      • JetBlue Airways (B6 498)Airbus Industrie A321
      • JetBlue Airways (B6 498)
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      • Airbus Industrie A321
      • 13:50 SEA
        21:57 BOS
        5Hrs, 07m Direct
      • SEASeattle/Tacoma International Airport 13:50 - BOS 21:57 5h 07m Direct
      • SEASeattle/Tacoma International Airport 13:50
      • BOSBoston Logan International Airport 21:57
      • 5h 07m
      • Direct
      • JetBlue Airways (B6 498)Airbus Industrie A321
      • JetBlue Airways (B6 498)
        • -
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        • -
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        • S
      • Airbus Industrie A321
      • 15:29 SEA
        23:59 BOS
        5Hrs, 30m Direct
      • SEASeattle/Tacoma International Airport 15:29 - BOS 23:59 5h 30m Direct
      • SEASeattle/Tacoma International Airport 15:29
      • BOSBoston Logan International Airport 23:59
      • 5h 30m
      • Direct
      • Alaska Airlines (AS 460)Boeing 737
      • Alaska Airlines (AS 460)
        • -
        • -
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      • Boeing 737
      • 15:40 SEA
        23:59 BOS
        5Hrs, 19m Direct
      • SEASeattle/Tacoma International Airport 15:40 - BOS 23:59 5h 19m Direct
      • SEASeattle/Tacoma International Airport 15:40
      • BOSBoston Logan International Airport 23:59
      • 5h 19m
      • Direct
      • Alaska Airlines (AS 460)Boeing 737
      • Alaska Airlines (AS 460)
        • M
        • -
        • -
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      • Boeing 737
      • 15:40 SEA
        23:59 BOS
        5Hrs, 19m Direct
      • SEASeattle/Tacoma International Airport 15:40 - BOS 23:59 5h 19m Direct
      • SEASeattle/Tacoma International Airport 15:40
      • BOSBoston Logan International Airport 23:59
      • 5h 19m
      • Direct
      • Alaska Airlines (AS 460)Boeing 737 Max 9 Passenger
      • Alaska Airlines (AS 460)
        • -
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        • -
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      • Boeing 737 Max 9 Passenger
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      What’s the fastest flight time from Seattle to Boston?

      The fastest flight time for direct flights from Seattle to Boston is 5 hours 7 minutes. Check latest flight schedules & prices on Wego.

      How far is Boston from Seattle?

      The flight distance between Seattle and Boston is 4000km. Check all available flights on Wego.

      When is the earliest and latest flight of the day?

      The earliest flight of the day departs at 06:34. The last flight of the day departs at 21:10. See the full list of flight times on Wego.

      How many airlines offer direct flights from Seattle to Boston?

      There are 3 airlines that offer direct flights from Seattle to Boston. Find out the list of airlines on Wego.

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      Boston Logan International Airport BOS

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