Trip.com
>
Cheap Flights
>
United States
>
Massachusetts
>
Boston
>
Seattle to Boston flight
>
Seattle-Tacoma International Airport to Boston Logan International Airport flight

Search for flights from Seattle to Boston and check out affordable one-way and round-trip options.

      • Cheapest nonstop
        SEA 23:13
        5h 22m
        Direct
        BOS 07:35
        Seattle - Boston | Wed, Sep 2 | Delta Air Lines
        BOS 19:59
        6h 13m
        Direct
        SEA 23:12
        Boston - Seattle | Tue, Sep 8 | Alaska Airlines
        €269 €332
        19% off
        19% off
        €332 €269
      • SEA 06:40
        9h
        1 stop
        BOS 18:40
        Seattle - Boston | Sat, Sep 26 | American Airlines
        BOS 06:00
        8h 40m
        1 stop
        SEA 11:40
        Boston - Seattle | Wed, Sep 30 | American Airlines
        €248 €332
        25% off
        25% off
        €332 €248
      • SEA 22:45
        8h 40m
        1 stop
        BOS 10:25
        Seattle - Boston | Wed, Sep 16 | American Airlines
        BOS 08:54
        9h 23m
        1 stop
        SEA 15:17
        Boston - Seattle | Wed, Sep 23 | American Airlines
        €255 €332
        23% off
        23% off
        €332 €255
      • SEA 05:10
        8h 36m
        1 stop
        BOS 16:46
        Seattle - Boston | Wed, Sep 2 | American Airlines
        BOS 19:59
        6h 13m
        Direct
        SEA 23:12
        Boston - Seattle | Wed, Sep 9 | Alaska Airlines
        €262
        21% off
        €332 €262
      • SEA 05:10
        11h 4m
        1 stop
        BOS 19:14
        Seattle - Boston | Sat, Sep 5 | American Airlines
        BOS 19:59
        6h 13m
        Direct
        SEA 23:12
        Boston - Seattle | Wed, Sep 9 | Alaska Airlines
        €262
        21% off
        €332 €262
      • SEA 13:57
        8h 13m
        1 stop
        BOS 01:10
        Seattle - Boston | Wed, Sep 16 | United Airlines
        BOS 17:08
        8h 56m
        1 stop
        SEA 23:04
        Boston - Seattle | Fri, Sep 18 | United Airlines
        €263
        21% off
        €332 €263
      • SEA 22:58
        7h 50m
        1 stop
        BOS 09:48
        Seattle - Boston | Tue, Sep 22 | United Airlines
        BOS 06:00
        9h 20m
        1 stop
        SEA 12:20
        Boston - Seattle | Sun, Sep 27 | United Airlines
        €266
        20% off
        €332 €266
      • SEA 18:15
        8h 44m
        1 stop
        BOS 05:59
        Seattle - Boston | Wed, Sep 9 | United Airlines
        BOS 10:38
        8h 29m
        1 stop
        SEA 16:07
        Boston - Seattle | Sun, Sep 13 | United Airlines
        €267
        20% off
        €332 €267
      • SEA 05:00
        11h 42m
        1 stop
        BOS 19:42
        Seattle - Boston | Mon, Sep 7 | American Airlines
        BOS 15:20
        10h 36m
        1 stop
        SEA 22:56
        Boston - Seattle | Sat, Sep 12 | American Airlines
        €275
        17% off
        €332 €275
      • SEA 13:00
        17h 25m
        1 stop
        BOS 14:00
        Seattle - Boston | Sat, Aug 1 | Normal Airline
        BOS 15:00
        6h
        Direct
        SEA 16:00
        Boston - Seattle | Mon, Aug 3 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        SEA 23:06
        5h 33m
        Direct
        BOS 07:39
        Seattle - Boston | Mon, Sep 21 | Alaska Airlines
        €135 €168
        20% off
        20% off
        €168 €135
      • SEA 15:55
        5h 27m
        Direct
        BOS 00:22
        Seattle - Boston | Tue, Sep 22 | Delta Air Lines
        €136 €168
        19% off
        19% off
        €168 €136
      • SEA 23:08
        5h 32m
        Direct
        BOS 07:40
        Seattle - Boston | Fri, Sep 18 | Delta Air Lines
        €136 €168
        19% off
        19% off
        €168 €136
      • SEA 05:30
        9h 2m
        1 stop
        BOS 17:32
        Seattle - Boston | Tue, Sep 15 | American Airlines
        €125
        26% off
        €168 €125
      • SEA 05:05
        11h 37m
        1 stop
        BOS 19:42
        Seattle - Boston | Mon, Aug 31 | American Airlines
        €133
        21% off
        €168 €133
      • SEA 18:51
        8h 18m
        1 stop
        BOS 06:09
        Seattle - Boston | Mon, Sep 14 | Alaska Airlines
        €137
        18% off
        €168 €137
      • SEA 05:10
        11h 4m
        1 stop
        BOS 19:14
        Seattle - Boston | Tue, Sep 8 | American Airlines
        €138
        18% off
        €168 €138
      • SEA 17:43
        9h 26m
        1 stop
        BOS 06:09
        Seattle - Boston | Fri, Sep 11 | Alaska Airlines
        €139
        17% off
        €168 €139
      • SEA 13:00
        17h 25m
        1 stop
        BOS 14:00
        Seattle - Boston | Sat, Aug 1 | Normal Airline
        Find more flights
        Find more flights

airport_to_airport.flight_disclaimer

Trip.com Price Insights: Flights from Seattle-Tacoma International Airport to Boston Logan International Airport

What is the cheapest month to fly from Seattle-Tacoma International Airport to Boston Logan International Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from Seattle-Tacoma International Airport to Boston Logan International Airport for each month in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest one-way flights from Seattle-Tacoma International Airport to Boston Logan International Airport are usually in April, with an average price of €188. It is best to avoid January, when the average price can reach €303.

€303
€246
€188
€131
    Cheapest
  • €189
    Jul
  • €271
    Aug
  • €208
    Sep
  • €214
    Oct
  • €211
    Nov
  • €212
    Dec
  • €303
    Jan
  • €231
    Feb
  • €216
    Mar
  • €188
    Apr
  • €194
    May
  • €242
    Jun

What is the cheapest day of the week to fly from Seattle-Tacoma International Airport to Boston Logan International Airport?

The data is based on the past 12 months and shows the average ticket prices from Seattle-Tacoma International Airport to Boston Logan International Airport for each day of the week in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest departure day from Seattle-Tacoma International Airport to Boston Logan International Airport is Tuesday, with average prices usually lower than other days. Avoid departing on Saturday as prices are typically highest on that day.

€276
€237
€198
€159
  • €226
    Mon
  • €198
    Tue
  • €201
    Wed
  • €245
    Thu
  • €226
    Fri
  • €276
    Sat
  • €250
    Sun

Selected Airlines from Seattle-Tacoma International Airport to Boston Logan International Airport

See which airlines fly from Seattle to Boston. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

American Airlines
From €125
United Airlines
From €127
Alaska Airlines
From €135
Delta Air Lines
From €136
Jetblue Airways
From €163
Frontier Airlines
From €167
Hahn Air
From €167
Qatar Airways
From €178
Sun Country Airlines
From €198

Find more flights and airlines

Flight Schedule from Seattle-Tacoma International Airport to Boston Logan International Airport

Check the schedule for flights from Seattle to Boston and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AS460

    Seattle-Tacoma International Airport

    15:32

    SEA

    5h 27m

    23:59

    BOS

    S M T W T F S
    Search

  2. DL474

    Seattle-Tacoma International Airport

    15:55

    SEA

    5h 25m

    00:20

    BOS

    S M T W T - S
    Search

  3. DL473

    Seattle-Tacoma International Airport

    22:00

    SEA

    5h 33m

    06:33

    BOS

    S M T W T F S
    Search

  4. B6398

    Seattle-Tacoma International Airport

    23:42

    SEA

    5h 24m

    08:06

    BOS

    S M T W T F S
    Search

  5. AA2886

    Seattle-Tacoma International Airport

    22:47

    SEA

    5h 12m

    Direct

    06:59

    PHL

    - - T W - - -
    Search

  6. AA2685

    Philadelphia International Airport

    08:50

    PHL

    1h 41m

    Direct

    10:31

    BOS

    - - T W - - -

  7. AA1667

    Seattle-Tacoma International Airport

    07:26

    SEA

    3h 54m

    Direct

    13:20

    DFW

    S M T W T F S
    Search

  8. AA2306

    Dallas Fort Worth International Airport

    17:27

    DFW

    3h 50m

    Direct

    22:17

    BOS

    S M T W T F S

  9. AA2886

    Seattle-Tacoma International Airport

    22:47

    SEA

    5h 12m

    Direct

    06:59

    PHL

    - - T W - - -
    Search

  10. AA1416

    Philadelphia International Airport

    10:30

    PHL

    1h 33m

    Direct

    12:03

    BOS

    S M T W T F S

  11. AA707

    Seattle-Tacoma International Airport

    10:22

    SEA

    4h 8m

    Direct

    16:30

    DFW

    S M T W T F S
    Search

  12. AA1366

    Dallas Fort Worth International Airport

    19:11

    DFW

    3h 48m

    Direct

    23:59

    BOS

    - - T W - - S

  13. AA381

    Seattle-Tacoma International Airport

    05:15

    SEA

    5h 3m

    Direct

    13:18

    CLT

    S M T W T F S
    Search

  14. AA1155

    Charlotte Douglas International Airport

    17:40

    CLT

    2h 24m

    Direct

    20:04

    BOS

    - - T W - - -

  15. AA2748

    Seattle-Tacoma International Airport

    05:05

    SEA

    3h 57m

    Direct

    11:02

    DFW

    S M T W T F S
    Search

  16. AA2306

    Dallas Fort Worth International Airport

    17:27

    DFW

    3h 50m

    Direct

    22:17

    BOS

    S M T W T F S
Find more flights and airlines

Seattle-Tacoma International Airport to Boston Logan International Airport Flights Info

Flight distance 4,008.36km
Cheapest one-way ticket price €125
Cheapest return ticket price €248

FAQs for Seattle-Tacoma International Airport to Boston Logan International Airport Flights

  • How long does it take to fly from Seattle-Tacoma International Airport (SEA) to Boston Logan International Airport (BOS)?

    It takes around 5 hours 28 minutes to fly from Seattle-Tacoma International Airport (sea) to Boston Logan International Airport(bos).
  • There are around 8 daily flights from Seattle-Tacoma International Airport (SEA) to Boston Logan International Airport (BOS).
  • Tickets cost around €202 in September, making it the cheapest month to book. Seattle-Tacoma International Airport (SEA) to Boston Logan International Airport (BOS) is a popular route, so don't forget to book your tickets in advance.
  • The route from Seattle-Tacoma International Airport (SEA) to Boston Logan International Airport (BOS) is quite popular. Without considering departure times or holidays, tickets cost around €256 in August, the most expensive month to book this route.
  • American Airlines is a very popular airline operating an average of 2138 flights per month.

Find Cheap Flights with Trip.com

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed on this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within the last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.