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
  • American Airlines American Airlines
  • Spirit Airlines Spirit 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

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  • Availability
    • M
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  • 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)
    • M
    • T
    • W
    • T
    • F
    • S
    • S
  • Boeing 737 900
  • 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)
    • M
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    • T
    • F
    • S
    • S
  • Airbus Industrie A321
  • 18:13 SEA
    07:17 BOS
    10Hrs, 04m 1 Stop (SFO)
  • SEASeattle/Tacoma International Airport 18:13 - BOS 07:17 10h 04m 1 Stop (SFO) San Francisco
  • SEASeattle/Tacoma International Airport 18:13
    SFOSan Francisco International Airport 22:35
  • SFOSan Francisco International Airport 20:32
    BOSBoston Logan International Airport 07:17
  • 10h 04m (2h 03m)
  • 1 Stop SFO · San Francisco 2h 03m
  • United Airlines (UA 737)Airbus
    United Airlines (UA 1665)Boeing 737 Max 9 Passenger
  • United Airlines (UA 737)
    • M
    • T
    • W
    • T
    • F
    • S
    • S
  • 19:10 SEA
    05:57 BOS
    7Hrs, 47m 1 Stop (DEN)
  • SEASeattle/Tacoma International Airport 19:10 - BOS 05:57 7h 47m 1 Stop (DEN) Denver
  • SEASeattle/Tacoma International Airport 19:10
    DENDenver Intl Airport 23:59
  • DENDenver Intl Airport 22:52
    BOSBoston Logan International Airport 05:57
  • 7h 47m (1h 07m)
  • 1 Stop DEN · Denver 1h 07m
  • United Airlines (UA 376)Boeing 737 Max 9 Passenger
    United Airlines (UA 2610)Boeing 737 800
  • United Airlines (UA 376)
    • M
    • -
    • -
    • T
    • F
    • -
    • S
  • 22:09 SEA
    11:57 BOS
    10Hrs, 48m 1 Stop (MIA)
  • SEASeattle/Tacoma International Airport 22:09 - BOS 11:57 10h 48m 1 Stop (MIA) Miami
  • SEASeattle/Tacoma International Airport 22:09
    MIAMiami International Airport 08:30
  • MIAMiami International Airport 06:56
    BOSBoston Logan International Airport 11:57
  • 10h 48m (1h 34m)
  • 1 Stop MIA · Miami 1h 34m
  • American Airlines (AA 1471)Airbus A321 Neo
    American Airlines (AA 2247)Airbus A321 Neo
  • American Airlines (AA 1471)
    • M
    • T
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    • T
    • F
    • S
    • S
  • 22:19 SEA
    11:52 BOS
    10Hrs, 33m 1 Stop (IND)
  • SEASeattle/Tacoma International Airport 22:19 - BOS 11:52 10h 33m 1 Stop (IND) Indianapolis
  • SEASeattle/Tacoma International Airport 22:19
    INDIndianapolis Airport 09:39
  • INDIndianapolis Airport 05:30
    BOSBoston Logan International Airport 11:52
  • 10h 33m (4h 09m)
  • 1 Stop IND · Indianapolis 4h 09m
  • Alaska Airlines (AS 545)Boeing 737
    American Airlines (AA 4716)Embraer Emb 175
  • Alaska Airlines (AS 545)
    • -
    • -
    • -
    • -
    • F
    • -
    • -
  • 23:51 SEA
    11:12 BOS
    8Hrs, 21m 1 Stop (ORD)
  • SEASeattle/Tacoma International Airport 23:51 - BOS 11:12 8h 21m 1 Stop (ORD) Chicago
  • SEASeattle/Tacoma International Airport 23:51
    ORDChicago O'Hare International Airport 07:46
  • ORDChicago O'Hare International Airport 05:51
    BOSBoston Logan International Airport 11:12
  • 8h 21m (1h 55m)
  • 1 Stop ORD · Chicago 1h 55m
  • United Airlines (UA 2019)Boeing 737 800
    United Airlines (UA 1450)Airbus
  • United Airlines (UA 2019)
    • -
    • -
    • -
    • -
    • F
    • -
    • -
  • 23:51 SEA
    11:12 BOS
    8Hrs, 21m 1 Stop (ORD)
  • SEASeattle/Tacoma International Airport 23:51 - BOS 11:12 8h 21m 1 Stop (ORD) Chicago
  • SEASeattle/Tacoma International Airport 23:51
    ORDChicago O'Hare International Airport 07:46
  • ORDChicago O'Hare International Airport 05:51
    BOSBoston Logan International Airport 11:12
  • 8h 21m (1h 55m)
  • 1 Stop ORD · Chicago 1h 55m
  • United Airlines (UA 2019)Boeing 737 800
    United Airlines (UA 1450)Boeing 737 700
  • United Airlines (UA 2019)
    • -
    • -
    • -
    • -
    • -
    • S
    • -
  • 23:59 SEA
    11:03 BOS
    8Hrs, 04m 1 Stop (CLT)
  • SEASeattle/Tacoma International Airport 23:59 - BOS 11:03 8h 04m 1 Stop (CLT) Charlotte
  • SEASeattle/Tacoma International Airport 23:59
    CLTCharlotte Airport 08:55
  • CLTCharlotte Airport 08:02
    BOSBoston Logan International Airport 11:03
  • 8h 04m (53m)
  • 1 Stop CLT · Charlotte 53m
  • American Airlines (AA 2793)Airbus
    American Airlines (AA 3040)Boeing 737 800
  • American Airlines (AA 2793)
    • -
    • T
    • -
    • -
    • -
    • -
    • -
  • 23:59 SEA
    12:05 BOS
    9Hrs, 06m 1 Stop (IAH)
  • SEASeattle/Tacoma International Airport 23:59 - BOS 12:05 9h 06m 1 Stop (IAH) Houston
  • SEASeattle/Tacoma International Airport 23:59
    IAHHouston George Bush Intercontinental Airport 07:20
  • IAHHouston George Bush Intercontinental Airport 06:16
    BOSBoston Logan International Airport 12:05
  • 9h 06m (1h 04m)
  • 1 Stop IAH · Houston 1h 04m
  • United Airlines (UA 2379)Boeing 737 800
    United Airlines (UA 1663)Boeing 737 800
  • United Airlines (UA 2379)
    • -
    • -
    • W
    • -
    • -
    • -
    • -
  • 23:59 SEA
    12:05 BOS
    9Hrs, 06m 1 Stop (IAH)
  • SEASeattle/Tacoma International Airport 23:59 - BOS 12:05 9h 06m 1 Stop (IAH) Houston
  • SEASeattle/Tacoma International Airport 23:59
    IAHHouston George Bush Intercontinental Airport 07:20
  • IAHHouston George Bush Intercontinental Airport 06:16
    BOSBoston Logan International Airport 12:05
  • 9h 06m (1h 04m)
  • 1 Stop IAH · Houston 1h 04m
  • United Airlines (UA 2379)Boeing 737 900
    United Airlines (UA 1663)Boeing 737 800
  • United Airlines (UA 2379)
    • M
    • T
    • -
    • T
    • F
    • S
    • S
  • 05:00 SEA
    18:20 BOS
    10Hrs, 20m 1 Stop (DEN)
  • SEASeattle/Tacoma International Airport 05:00 - BOS 18:20 10h 20m 1 Stop (DEN) Denver
  • SEASeattle/Tacoma International Airport 05:00
    DENDenver Intl Airport 12:35
  • DENDenver Intl Airport 08:35
    BOSBoston Logan International Airport 18:20
  • 10h 20m (4h)
  • 1 Stop DEN · Denver 4h
  • Southwest Airlines (WN 743)Boeing 737 Max 8 Passenger
    Southwest Airlines (WN 4415)Boeing 737 800
  • Southwest Airlines (WN 743)
    • -
    • -
    • -
    • -
    • -
    • S
    • -
  • 05:00 SEA
    15:47 BOS
    7Hrs, 47m 1 Stop (DEN)
  • SEASeattle/Tacoma International Airport 05:00 - BOS 15:47 7h 47m 1 Stop (DEN) Denver
  • SEASeattle/Tacoma International Airport 05:00
    DENDenver Intl Airport 09:50
  • DENDenver Intl Airport 08:43
    BOSBoston Logan International Airport 15:47
  • 7h 47m (1h 07m)
  • 1 Stop DEN · Denver 1h 07m
  • United Airlines (UA 2087)Boeing 737 Max 9 Passenger
    United Airlines (UA 2461)Boeing 757 200 Series
  • United Airlines (UA 2087)
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • 07:04 SEA
    19:35 BOS
    9Hrs, 31m 1 Stop (IAH)
  • SEASeattle/Tacoma International Airport 07:04 - BOS 19:35 9h 31m 1 Stop (IAH) Houston
  • SEASeattle/Tacoma International Airport 07:04
    IAHHouston George Bush Intercontinental Airport 14:50
  • IAHHouston George Bush Intercontinental Airport 13:27
    BOSBoston Logan International Airport 19:35
  • 9h 31m (1h 23m)
  • 1 Stop IAH · Houston 1h 23m
  • United Airlines (UA 1788)Boeing 737 900
    United Airlines (UA 2439)Boeing 737 800
  • United Airlines (UA 1788)
    • M
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    • T
    • F
    • S
    • S
  • 07:15 SEA
    19:31 BOS
    9Hrs, 16m 1 Stop (SFO)
  • SEASeattle/Tacoma International Airport 07:15 - BOS 19:31 9h 16m 1 Stop (SFO) San Francisco
  • SEASeattle/Tacoma International Airport 07:15
    SFOSan Francisco International Airport 10:45
  • SFOSan Francisco International Airport 09:37
    BOSBoston Logan International Airport 19:31
  • 9h 16m (1h 08m)
  • 1 Stop SFO · San Francisco 1h 08m
  • United Airlines (UA 1403)Boeing 737 900
    United Airlines (UA 2259)Boeing 757 200 Series
  • United Airlines (UA 1403)
    • M
    • T
    • W
    • T
    • F
    • S
    • S
  • 07:20 SEA
    20:14 BOS
    9Hrs, 54m 1 Stop (DFW)
  • SEASeattle/Tacoma International Airport 07:20 - BOS 20:14 9h 54m 1 Stop (DFW) Dallas
  • SEASeattle/Tacoma International Airport 07:20
    DFWDallas/Fort Worth Intl Airport 15:45
  • DFWDallas/Fort Worth Intl Airport 13:21
    BOSBoston Logan International Airport 20:14
  • 9h 54m (2h 24m)
  • 1 Stop DFW · Dallas 2h 24m
  • American Airlines (AA 1667)Airbus
    American Airlines (AA 1048)Boeing 737 800
  • American Airlines (AA 1667)
    • M
    • T
    • W
    • T
    • F
    • S
    • S
  • 07:47 SEA
    17:57 BOS
    7Hrs, 10m 1 Stop (EWR)
  • SEASeattle/Tacoma International Airport 07:47 - BOS 17:57 7h 10m 1 Stop (EWR) New York City
  • SEASeattle/Tacoma International Airport 07:47
    EWRNewark Liberty International Airport 16:47
  • EWRNewark Liberty International Airport 16:00
    BOSBoston Logan International Airport 17:57
  • 7h 10m (47m)
  • 1 Stop EWR · New York City 47m
  • United Airlines (UA 2280)Boeing 737 Max 9 Passenger
    United Airlines (UA 2612)Airbus
  • United Airlines (UA 2280)
    • -
    • -
    • -
    • -
    • F
    • -
    • -
  • 07:47 SEA
    18:33 BOS
    7Hrs, 46m 1 Stop (EWR)
  • SEASeattle/Tacoma International Airport 07:47 - BOS 18:33 7h 46m 1 Stop (EWR) New York City
  • SEASeattle/Tacoma International Airport 07:47
    EWRNewark Liberty International Airport 17:15
  • EWRNewark Liberty International Airport 16:00
    BOSBoston Logan International Airport 18:33
  • 7h 46m (1h 15m)
  • 1 Stop EWR · New York City 1h 15m
  • United Airlines (UA 2280)Boeing 737 Max 9 Passenger
    United Airlines (UA 3713)Embraer 175
  • United Airlines (UA 2280)
    • -
    • -
    • -
    • -
    • -
    • S
    • -
  • 08:20 SEA
    19:38 BOS
    8Hrs, 18m 1 Stop (DEN)
  • SEASeattle/Tacoma International Airport 08:20 - BOS 19:38 8h 18m 1 Stop (DEN) Denver
  • SEASeattle/Tacoma International Airport 08:20
    DENDenver Intl Airport 13:45
  • DENDenver Intl Airport 12:04
    BOSBoston Logan International Airport 19:38
  • 8h 18m (1h 41m)
  • 1 Stop DEN · Denver 1h 41m
  • United Airlines (UA 1829)Airbus
    United Airlines (UA 1912)Boeing 737 900
  • United Airlines (UA 1829)
    • -
    • -
    • -
    • -
    • -
    • S
    • -
  • 08:20 SEA
    22:00 BOS
    10Hrs, 40m 1 Stop (DEN)
  • SEASeattle/Tacoma International Airport 08:20 - BOS 22:00 10h 40m 1 Stop (DEN) Denver
  • SEASeattle/Tacoma International Airport 08:20
    DENDenver Intl Airport 16:10
  • DENDenver Intl Airport 12:04
    BOSBoston Logan International Airport 22:00
  • 10h 40m (4h 06m)
  • 1 Stop DEN · Denver 4h 06m
  • United Airlines (UA 1829)Airbus
    United Airlines (UA 1027)Boeing 737 900
  • United Airlines (UA 1829)
    • M
    • T
    • W
    • T
    • F
    • -
    • S
  • 08:34 SEA
    21:36 BOS
    10Hrs, 02m 1 Stop (DCA)
  • SEASeattle/Tacoma International Airport 08:34 - BOS 21:36 10h 02m 1 Stop (DCA) Washington
  • SEASeattle/Tacoma International Airport 08:34
    DCAWashington Ronald Reagan National Airport 19:55
  • DCAWashington Ronald Reagan National Airport 16:40
    BOSBoston Logan International Airport 21:36
  • 10h 02m (3h 15m)
  • 1 Stop DCA · Washington 3h 15m
  • Alaska Airlines (AS 4)Boeing 737 800
    American Airlines (AA 2120)Airbus
  • Alaska Airlines (AS 4)
    • -
    • T
    • -
    • -
    • -
    • -
    • -
  • 08:34 SEA
    21:43 BOS
    10Hrs, 09m 1 Stop (DCA)
  • SEASeattle/Tacoma International Airport 08:34 - BOS 21:43 10h 09m 1 Stop (DCA) Washington
  • SEASeattle/Tacoma International Airport 08:34
    DCAWashington Ronald Reagan National Airport 19:59
  • DCAWashington Ronald Reagan National Airport 16:40
    BOSBoston Logan International Airport 21:43
  • 10h 09m (3h 19m)
  • 1 Stop DCA · Washington 3h 19m
  • Alaska Airlines (AS 4)Boeing 737 800
    American Airlines (AA 4699)Embraer Emb 175
  • Alaska Airlines (AS 4)
    • -
    • -
    • -
    • -
    • -
    • S
    • -
  • 09:55 SEA
    23:35 BOS
    10Hrs, 40m 1 Stop (MDW)
  • SEASeattle/Tacoma International Airport 09:55 - BOS 23:35 10h 40m 1 Stop (MDW) Chicago
  • SEASeattle/Tacoma International Airport 09:55
    MDWChicago Midway Airport 20:25
  • MDWChicago Midway Airport 16:00
    BOSBoston Logan International Airport 23:35
  • 10h 40m (4h 25m)
  • 1 Stop MDW · Chicago 4h 25m
  • Southwest Airlines (WN 2239)Boeing 737 800
    Southwest Airlines (WN 2229)Boeing 737 Max 8 Passenger
  • Southwest Airlines (WN 2239)
    • -
    • -
    • -
    • -
    • -
    • S
    • -
  • 10:05 SEA
    21:35 BOS
    8Hrs, 30m 1 Stop (MDW)
  • SEASeattle/Tacoma International Airport 10:05 - BOS 21:35 8h 30m 1 Stop (MDW) Chicago
  • SEASeattle/Tacoma International Airport 10:05
    MDWChicago Midway Airport 18:25
  • MDWChicago Midway Airport 16:10
    BOSBoston Logan International Airport 21:35
  • 8h 30m (2h 15m)
  • 1 Stop MDW · Chicago 2h 15m
  • Southwest Airlines (WN 2299)Boeing 737 Max 8 Passenger
    Southwest Airlines (WN 1933)Boeing 737 Max 8 Passenger
  • Southwest Airlines (WN 2299)
    • -
    • T
    • W
    • -
    • -
    • -
    • -
  • 10:26 SEA
    23:06 BOS
    9Hrs, 40m 1 Stop (DFW)
  • SEASeattle/Tacoma International Airport 10:26 - BOS 23:06 9h 40m 1 Stop (DFW) Dallas
  • SEASeattle/Tacoma International Airport 10:26
    DFWDallas/Fort Worth Intl Airport 18:30
  • DFWDallas/Fort Worth Intl Airport 16:20
    BOSBoston Logan International Airport 23:06
  • 9h 40m (2h 10m)
  • 1 Stop DFW · Dallas 2h 10m
  • American Airlines (AA 3175)Airbus A321 Neo
    American Airlines (AA 1366)Airbus
  • American Airlines (AA 3175)
    • -
    • -
    • W
    • -
    • -
    • -
    • -
  • 10:26 SEA
    21:36 BOS
    8Hrs, 10m 1 Stop (DFW)
  • SEASeattle/Tacoma International Airport 10:26 - BOS 21:36 8h 10m 1 Stop (DFW) Dallas
  • SEASeattle/Tacoma International Airport 10:26
    DFWDallas/Fort Worth Intl Airport 17:06
  • DFWDallas/Fort Worth Intl Airport 16:20
    BOSBoston Logan International Airport 21:36
  • 8h 10m (46m)
  • 1 Stop DFW · Dallas 46m
  • American Airlines (AA 3175)Airbus
    American Airlines (AA 595)Airbus A321 Neo
  • American Airlines (AA 3175)
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • 10:26 SEA
    21:36 BOS
    8Hrs, 10m 1 Stop (DFW)
  • SEASeattle/Tacoma International Airport 10:26 - BOS 21:36 8h 10m 1 Stop (DFW) Dallas
  • SEASeattle/Tacoma International Airport 10:26
    DFWDallas/Fort Worth Intl Airport 17:06
  • DFWDallas/Fort Worth Intl Airport 16:20
    BOSBoston Logan International Airport 21:36
  • 8h 10m (46m)
  • 1 Stop DFW · Dallas 46m
  • American Airlines (AA 3175)Airbus
    American Airlines (AA 595)Boeing 737 800
  • American Airlines (AA 3175)
    • M
    • -
    • -
    • T
    • F
    • S
    • -
  • 10:38 SEA
    00:15 BOS
    10Hrs, 37m 1 Stop (ORD)
  • SEASeattle/Tacoma International Airport 10:38 - BOS 00:15 10h 37m 1 Stop (ORD) Chicago
  • SEASeattle/Tacoma International Airport 10:38
    ORDChicago O'Hare International Airport 20:30
  • ORDChicago O'Hare International Airport 16:50
    BOSBoston Logan International Airport 00:15
  • 10h 37m (3h 40m)
  • 1 Stop ORD · Chicago 3h 40m
  • Alaska Airlines (AS 352)Boeing 737
    American Airlines (AA 4400)Embraer Emb 175
  • Alaska Airlines (AS 352)
    • -
    • -
    • -
    • -
    • -
    • S
    • -
  • 10:40 SEA
    23:40 BOS
    10Hrs, 00m 1 Stop (DEN)
  • SEASeattle/Tacoma International Airport 10:40 - BOS 23:40 10h 1 Stop (DEN) Denver
  • SEASeattle/Tacoma International Airport 10:40
    DENDenver Intl Airport 17:50
  • DENDenver Intl Airport 14:20
    BOSBoston Logan International Airport 23:40
  • 10h (3h 30m)
  • 1 Stop DEN · Denver 3h 30m
  • Southwest Airlines (WN 805)Boeing 737 700
    Southwest Airlines (WN 4234)Boeing 737 Max 8 Passenger
  • Southwest Airlines (WN 805)
    • -
    • T
    • W
    • -
    • -
    • -
    • -
  • 10:56 SEA
    21:54 BOS
    7Hrs, 58m 1 Stop (ORD)
  • SEASeattle/Tacoma International Airport 10:56 - BOS 21:54 7h 58m 1 Stop (ORD) Chicago
  • SEASeattle/Tacoma International Airport 10:56
    ORDChicago O'Hare International Airport 18:25
  • ORDChicago O'Hare International Airport 17:03
    BOSBoston Logan International Airport 21:54
  • 7h 58m (1h 22m)
  • 1 Stop ORD · Chicago 1h 22m
  • United Airlines (UA 747)Airbus
    United Airlines (UA 715)Boeing 737 800
  • United Airlines (UA 747)
    • M
    • T
    • W
    • T
    • F
    • S
    • S
  • 11:50 SEA
    23:06 BOS
    8Hrs, 16m 1 Stop (DFW)
  • SEASeattle/Tacoma International Airport 11:50 - BOS 23:06 8h 16m 1 Stop (DFW) Dallas
  • SEASeattle/Tacoma International Airport 11:50
    DFWDallas/Fort Worth Intl Airport 18:30
  • DFWDallas/Fort Worth Intl Airport 17:46
    BOSBoston Logan International Airport 23:06
  • 8h 16m (44m)
  • 1 Stop DFW · Dallas 44m
  • American Airlines (AA 2767)Airbus
    American Airlines (AA 1366)Airbus
  • American Airlines (AA 2767)
    • -
    • -
    • W
    • -
    • -
    • -
    • -
  • 11:50 SEA
    23:06 BOS
    8Hrs, 16m 1 Stop (DFW)
  • SEASeattle/Tacoma International Airport 11:50 - BOS 23:06 8h 16m 1 Stop (DFW) Dallas
  • SEASeattle/Tacoma International Airport 11:50
    DFWDallas/Fort Worth Intl Airport 18:30
  • DFWDallas/Fort Worth Intl Airport 17:44
    BOSBoston Logan International Airport 23:06
  • 8h 16m (46m)
  • 1 Stop DFW · Dallas 46m
  • American Airlines (AA 2767)Boeing 737 800
    American Airlines (AA 1366)Airbus
  • American Airlines (AA 2767)
    • -
    • -
    • -
    • -
    • -
    • S
    • -
  • 11:50 SEA
    01:13 BOS
    10Hrs, 23m 1 Stop (DFW)
  • SEASeattle/Tacoma International Airport 11:50 - BOS 01:13 10h 23m 1 Stop (DFW) Dallas
  • SEASeattle/Tacoma International Airport 11:50
    DFWDallas/Fort Worth Intl Airport 20:40
  • DFWDallas/Fort Worth Intl Airport 17:46
    BOSBoston Logan International Airport 01:13
  • 10h 23m (2h 54m)
  • 1 Stop DFW · Dallas 2h 54m
  • American Airlines (AA 2767)Airbus A321 Neo
    American Airlines (AA 3248)Airbus
  • American Airlines (AA 2767)
    • M
    • -
    • -
    • T
    • F
    • -
    • S
  • 11:50 SEA
    01:13 BOS
    10Hrs, 23m 1 Stop (DFW)
  • SEASeattle/Tacoma International Airport 11:50 - BOS 01:13 10h 23m 1 Stop (DFW) Dallas
  • SEASeattle/Tacoma International Airport 11:50
    DFWDallas/Fort Worth Intl Airport 20:40
  • DFWDallas/Fort Worth Intl Airport 17:44
    BOSBoston Logan International Airport 01:13
  • 10h 23m (2h 56m)
  • 1 Stop DFW · Dallas 2h 56m
  • American Airlines (AA 2767)Boeing 737 800
    American Airlines (AA 3248)Airbus
  • American Airlines (AA 2767)
    • -
    • -
    • -
    • -
    • -
    • S
    • -
  • 11:56 SEA
    00:15 BOS
    9Hrs, 19m 1 Stop (ORD)
  • SEASeattle/Tacoma International Airport 11:56 - BOS 00:15 9h 19m 1 Stop (ORD) Chicago
  • SEASeattle/Tacoma International Airport 11:56
    ORDChicago O'Hare International Airport 20:30
  • ORDChicago O'Hare International Airport 18:10
    BOSBoston Logan International Airport 00:15
  • 9h 19m (2h 20m)
  • 1 Stop ORD · Chicago 2h 20m
  • Alaska Airlines (AS 410)Boeing 737 900
    American Airlines (AA 4400)Embraer Emb 175
  • Alaska Airlines (AS 410)
    • -
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    • T
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  • 12:37 SEA
    23:59 BOS
    8Hrs, 22m 1 Stop (IAD)
  • SEASeattle/Tacoma International Airport 12:37 - BOS 23:59 8h 22m 1 Stop (IAD) Washington
  • SEASeattle/Tacoma International Airport 12:37
    IADWashington Dulles International Airport 22:24
  • IADWashington Dulles International Airport 20:40
    BOSBoston Logan International Airport 23:59
  • 8h 22m (1h 44m)
  • 1 Stop IAD · Washington 1h 44m
  • United Airlines (UA 2275)Airbus
    United Airlines (UA 755)Boeing 737 Max 8 Passenger
  • United Airlines (UA 2275)
    • -
    • -
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    • S
  • 13:10 SEA
    23:40 BOS
    7Hrs, 30m 1 Stop (DEN)
  • SEASeattle/Tacoma International Airport 13:10 - BOS 23:40 7h 30m 1 Stop (DEN) Denver
  • SEASeattle/Tacoma International Airport 13:10
    DENDenver Intl Airport 17:50
  • DENDenver Intl Airport 16:45
    BOSBoston Logan International Airport 23:40
  • 7h 30m (1h 05m)
  • 1 Stop DEN · Denver 1h 05m
  • Southwest Airlines (WN 2613)Boeing 737 Max 8 Passenger
    Southwest Airlines (WN 4234)Boeing 737 Max 8 Passenger
  • Southwest Airlines (WN 2613)
    • -
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  • 13:50 SEA
    01:15 BOS
    8Hrs, 25m 1 Stop (DEN)
  • SEASeattle/Tacoma International Airport 13:50 - BOS 01:15 8h 25m 1 Stop (DEN) Denver
  • SEASeattle/Tacoma International Airport 13:50
    DENDenver Intl Airport 19:25
  • DENDenver Intl Airport 17:35
    BOSBoston Logan International Airport 01:15
  • 8h 25m (1h 50m)
  • 1 Stop DEN · Denver 1h 50m
  • Southwest Airlines (WN 2613)Boeing 737 Max 8 Passenger
    Southwest Airlines (WN 4234)Boeing 737 800
  • Southwest Airlines (WN 2613)
    • -
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    • S
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  • 14:20 SEA
    00:54 BOS
    7Hrs, 34m 1 Stop (ORD)
  • SEASeattle/Tacoma International Airport 14:20 - BOS 00:54 7h 34m 1 Stop (ORD) Chicago
  • SEASeattle/Tacoma International Airport 14:20
    ORDChicago O'Hare International Airport 21:30
  • ORDChicago O'Hare International Airport 20:25
    BOSBoston Logan International Airport 00:54
  • 7h 34m (1h 05m)
  • 1 Stop ORD · Chicago 1h 05m
  • United Airlines (UA 2013)Airbus
    United Airlines (UA 2627)Boeing 737 800
  • United Airlines (UA 2013)
    • -
    • -
    • W
    • -
    • -
    • -
    • S
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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 05:00. The last flight of the day departs at 18:13. See the full list of flight times on Wego.

How many airlines offer direct flights from Seattle to Boston?

There are 2 airlines that offer direct flights from Seattle to Boston. Find out the list of airlines on Wego.