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Seattle-Tacoma International Airport to Boston flight
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Cheap Flights from Seattle-Tacoma International Airport to Boston

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

  • One way
  • Round-trip
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • SEA17:02
        13h 29m
        2 stops
        BOS09:31
        Seattle - Boston|Mon, May 6|Frontier Airlines
        NZD 156NZD 271
        42% OFF
        42% OFF
        NZD 271NZD 156
      • SEA15:39
        5h 20m
        Direct
        BOS23:59
        Seattle - Boston|Tue, May 7|Alaska Airlines
        NZD 168NZD 271
        38% OFF
        38% OFF
        NZD 271NZD 168
      • SEA23:34
        22h 4m
        1 stop
        BOS00:38
        Seattle - Boston|Tue, Jun 4|Alaska Airlines
        NZD 184NZD 271
        32% OFF
        32% OFF
        NZD 271NZD 184
      • SEA23:55
        21h 43m
        1 stop
        BOS00:38
        Seattle - Boston|Tue, Jun 4|American Airlines
        NZD 194
        NZD 194
      • SEA22:34
        12h 26m
        2 stops
        BOS14:00
        Seattle - Boston|Fri, May 10|Frontier Airlines
        NZD 200
        NZD 200
      • SEA14:55
        11h 10m
        1 stop
        BOS05:05
        Seattle - Boston|Sat, May 4|Frontier Airlines
        NZD 201
        NZD 201
      • SEA21:25
        5h 20m
        Direct
        BOS05:45
        Seattle - Boston|Mon, May 6|Alaska Airlines
        NZD 204
        NZD 204
      • SEA09:55
        20h 31m
        2 stops
        BOS09:26
        Seattle - Boston|Wed, May 15|Frontier Airlines
        NZD 205
        NZD 205
      • SEA15:15
        16h 18m
        1 stop
        BOS10:33
        Seattle - Boston|Sat, May 4|Sun Country Airlines
        NZD 206
        NZD 206
      • SEA21:40
        14h 39m
        2 stops
        BOS15:19
        Seattle - Boston|Tue, Jun 4|Spirit Airlines
        NZD 206
        NZD 206
      • SEA13:00
        3h 5m
        Direct
        BOS14:00
        Seattle - Boston|Mon, May 6|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from Seattle-Tacoma International Airport to Boston

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

Frontier Airlines
From NZD 156
Alaska Airlines
From NZD 168
American Airlines
From NZD 194
Sun Country Airlines
From NZD 206
Spirit Airlines
From NZD 206
Jetblue Airways
From NZD 209
United Airlines
From NZD 248
Southwest Airlines
From NZD 355
Delta Air Lines
From NZD 559
Hawaiian Airlines
From NZD 776
ANA airlines
Find more flights and airlines

Airports in Boston

Learn about different airports in Boston, find the best flight and transfer options, and plan your journey.

  • 1.66 km from central Boston
    General Edward Lawrence Logan International Airport
    Tickets From
    NZD 156
Flight Schedule from Seattle-Tacoma International Airport to Boston

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. AS306

    Alaska Airlines

    06:30

    SEA

    5.4h

    Direct

    14:52

    BOS

    SMTWTFS
    Search

  2. DL1114

    Delta Air Lines

    07:50

    SEA

    5.5h

    Direct

    16:21

    BOS

    SMTWTFS
    Search

  3. DL897

    Delta Air Lines

    15:35

    SEA

    5.4h

    Direct

    23:58

    BOS

    SMTWT-S
    Search

  4. AS460

    Alaska Airlines

    15:45

    SEA

    5.2h

    Direct

    23:59

    BOS

    SMTWTFS
    Search

  5. B6498

    Jetblue Airways

    20:50

    SEA

    5.2h

    Direct

    05:01

    BOS

    -M-----
    Search

  6. B6198

    Jetblue Airways

    22:10

    SEA

    5.3h

    Direct

    06:28

    BOS

    S-TWTFS
    Search

  7. DL568

    Delta Air Lines

    22:40

    SEA

    5.3h

    Direct

    07:00

    BOS

    SMTWTFS
    Search

  8. AA2361

    American Airlines

    23:30

    SEA

    5.2h

    07:40

    PHL

    SMTWTFS
    Search

  9. F93012

    Frontier Airlines

    10:33

    PHL

    1.4h

    11:58

    BOS

    SMTWTFS

  10. AS536

    Alaska Airlines

    23:36

    SEA

    5.3h

    Direct

    07:55

    BOS

    SMTWTFS
    Search

  11. AA1181

    American Airlines

    23:59

    SEA

    4.2h

    06:11

    ORD

    S------
    Search

  12. AA1457

    American Airlines

    08:10

    ORD

    2.5h

    11:38

    BOS

    S------
Find more flights and airlines

Flight Info of Flights from Seattle-Tacoma International Airport to Boston

Cheapest round-trip ticket price

NZD 397

Cheapest nonstop flight price

NZD 168

Off-season for travel

December

Peak season for travel

October

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