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Seattle-Tacoma International Airport to Logan International Airport flight

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

      • Cheapest nonstop
        SEA 15:38
        5h 21m
        Direct
        BOS 23:59
        Seattle - Boston | Tue, Mar 31 | Hawaiian Airlines
        BOS 18:10
        6h 24m
        Direct
        SEA 21:34
        Boston - Seattle | Mon, Apr 6 | Hawaiian Airlines
        €164 €223
        26% off
        26% off
        €223 €164
      • SEA 15:38
        5h 21m
        Direct
        BOS 23:59
        Seattle - Boston | Tue, Mar 31 | Alaska Airlines
        BOS 07:15
        6h 25m
        Direct
        SEA 10:40
        Boston - Seattle | Mon, Apr 6 | Hawaiian Airlines
        €165 €223
        26% off
        26% off
        €223 €165
      • SEA 15:45
        5h 14m
        Direct
        BOS 23:59
        Seattle - Boston | Tue, Mar 31 | Delta Air Lines
        BOS 07:15
        6h 25m
        Direct
        SEA 10:40
        Boston - Seattle | Mon, Apr 6 | Hawaiian Airlines
        €166 €223
        26% off
        26% off
        €223 €166
      • SEA 22:35
        5h 20m
        Direct
        BOS 06:55
        Seattle - Boston | Sun, May 3 | Delta Air Lines
        BOS 19:30
        6h 9m
        Direct
        SEA 22:39
        Boston - Seattle | Sun, May 10 | Delta Air Lines
        €166
        26% off
        €223 €166
      • SEA 22:35
        5h 20m
        Direct
        BOS 06:55
        Seattle - Boston | Mon, May 4 | Delta Air Lines
        BOS 19:30
        6h 10m
        Direct
        SEA 22:40
        Boston - Seattle | Sun, May 10 | Delta Air Lines
        €167
        25% off
        €223 €167
      • SEA 15:21
        5h 38m
        Direct
        BOS 23:59
        Seattle - Boston | Mon, May 4 | Alaska Airlines
        BOS 19:30
        6h 10m
        Direct
        SEA 22:40
        Boston - Seattle | Fri, May 8 | Delta Air Lines
        €168
        25% off
        €223 €168
      • SEA 22:45
        5h 27m
        Direct
        BOS 07:12
        Seattle - Boston | Sun, May 3 | Alaska Airlines
        BOS 19:30
        6h 9m
        Direct
        SEA 22:39
        Boston - Seattle | Sun, May 10 | Delta Air Lines
        €168
        25% off
        €223 €168
      • SEA 22:35
        5h 20m
        Direct
        BOS 06:55
        Seattle - Boston | Tue, Apr 21 | Delta Air Lines
        BOS 11:10
        6h 13m
        Direct
        SEA 14:23
        Boston - Seattle | Tue, Apr 28 | Delta Air Lines
        €171
        23% off
        €223 €171
      • SEA 15:38
        5h 21m
        Direct
        BOS 23:59
        Seattle - Boston | Wed, Apr 8 | Hawaiian Airlines
        BOS 18:45
        6h 20m
        Direct
        SEA 22:05
        Boston - Seattle | Tue, Apr 14 | Delta Air Lines
        €176
        21% off
        €223 €176
      • SEA 15:38
        5h 21m
        Direct
        BOS 23:59
        Seattle - Boston | Wed, Apr 8 | Alaska Airlines
        BOS 18:45
        6h 20m
        Direct
        SEA 22:05
        Boston - Seattle | Tue, Apr 14 | Delta Air Lines
        €176
        21% off
        €223 €176
      • SEA 13:00
        17h 25m
        1 stop
        BOS Invalid Date
        Seattle - Boston | Wed, Apr 1 | Normal Airline
        BOS 15:00
        6h
        Direct
        SEA 16:00
        Boston - Seattle | Fri, Apr 3 | Normal Airline
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      • Cheapest nonstop
        SEA 23:00
        5h 35m
        Direct
        BOS 07:35
        Seattle - Boston | Thu, May 14 | Delta Air Lines
        €68 €116
        41% off
        41% off
        €116 €68
      • SEA 22:35
        5h 20m
        Direct
        BOS 06:55
        Seattle - Boston | Thu, Apr 16 | Delta Air Lines
        €83 €116
        28% off
        28% off
        €116 €83
      • SEA 22:15
        5h 24m
        Direct
        BOS 06:39
        Seattle - Boston | Tue, Apr 21 | Hawaiian Airlines
        €83 €116
        28% off
        28% off
        €116 €83
      • SEA 22:45
        5h 27m
        Direct
        BOS 07:12
        Seattle - Boston | Sat, May 9 | Alaska Airlines
        €84
        28% off
        €116 €84
      • SEA 22:15
        5h 24m
        Direct
        BOS 06:39
        Seattle - Boston | Tue, Apr 21 | Alaska Airlines
        €85
        27% off
        €116 €85
      • SEA 22:35
        5h 20m
        Direct
        BOS 06:55
        Seattle - Boston | Tue, Apr 21 | Delta Air Lines
        €85
        27% off
        €116 €85
      • SEA 23:00
        5h 35m
        Direct
        BOS 07:35
        Seattle - Boston | Sun, May 17 | Delta Air Lines
        €85
        27% off
        €116 €85
      • SEA 23:00
        5h 35m
        Direct
        BOS 07:35
        Seattle - Boston | Sat, May 9 | Delta Air Lines
        €86
        26% off
        €116 €86
      • SEA 22:35
        5h 20m
        Direct
        BOS 06:55
        Seattle - Boston | Sat, May 2 | Delta Air Lines
        €87
        25% off
        €116 €87
      • SEA 22:35
        5h 20m
        Direct
        BOS 06:55
        Seattle - Boston | Mon, Apr 20 | Delta Air Lines
        €91
        22% off
        €116 €91
      • SEA 13:00
        17h 25m
        1 stop
        BOS Invalid Date
        Seattle - Boston | Wed, Apr 1 | Normal Airline
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Displayed flight fares from Seattle to Boston are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

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

What is the cheapest month to fly from Seattle-Tacoma International Airport to 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 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 Logan International Airport are usually in March, with an average price of €110. It is best to avoid January, when the average price can reach €295.

€295
€203
€110
€18
  • €110
    Mar
  • €190
    Apr
  • €163
    May
  • €205
    Jun
  • €182
    Jul
  • €263
    Aug
  • €202
    Sep
  • €208
    Oct
  • €205
    Nov
  • €206
    Dec
  • €295
    Jan
  • €224
    Feb

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

The data is based on the past 12 months and shows the average ticket prices from Seattle-Tacoma International Airport to 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 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.

€262
€217
€172
€127
  • €211
    Mon
  • €172
    Tue
  • €183
    Wed
  • €213
    Thu
  • €207
    Fri
  • €262
    Sat
  • €223
    Sun

Selected Airlines from Seattle-Tacoma International Airport to 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.

Delta Air Lines
From €68
Hawaiian Airlines
From €83
Alaska Airlines
From €84
American Airlines
From €93
Jetblue Airways
From €114
Hahn Air
From €119
Frontier Airlines
From €127
United Airlines
From €135
Sun Country Airlines
From €190

Find more flights and airlines

Flight Schedule from Seattle-Tacoma International Airport to 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. DL474

    Seattle-Tacoma International Airport

    15:55

    SEA

    5h 25m

    00:20

    BOS

    S M T W T - S
    Search

  2. AS536

    Seattle-Tacoma International Airport

    23:18

    SEA

    5h 22m

    07:40

    BOS

    S M T W T F 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. AS460

    Seattle-Tacoma International Airport

    15:36

    SEA

    5h 23m

    23:59

    BOS

    S M T W T F S
    Search

  5. DL953

    Seattle-Tacoma International Airport

    23:59

    SEA

    3h 18m

    Direct

    05:17

    MSP

    S - - W T - S
    Search

  6. DL2649

    Minneapolis–Saint Paul International Airport

    07:00

    MSP

    3h 2m

    Direct

    11:02

    BOS

    S M T W T F S

  7. UA1763

    Seattle-Tacoma International Airport

    22:35

    SEA

    4h 11m

    Direct

    04:46

    ORD

    - - - W T - S
    Search

  8. UA2213

    O'Hare International Airport

    07:30

    ORD

    2h 23m

    Direct

    10:53

    BOS

    - - - W T - S

  9. UA747

    Seattle-Tacoma International Airport

    22:40

    SEA

    4h 7m

    Direct

    04:47

    ORD

    S M T W T F S
    Search

  10. UA1117

    O'Hare International Airport

    09:15

    ORD

    2h 31m

    Direct

    12:46

    BOS

    S M T W T - S

  11. UA2866

    Seattle-Tacoma International Airport

    17:45

    SEA

    2h 13m

    Direct

    19:58

    SFO

    S M T W T F S
    Search

  12. UA1665

    San Francisco International Airport

    23:20

    SFO

    6h 3m

    Direct

    08:23

    BOS

    - M T W T F S
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Seattle-Tacoma International Airport to Logan International Airport Flights Info

Flight distance4,008.36km
Cheapest one-way ticket price€68
Cheapest return ticket price€164

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

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

    It takes around 5 hours 52 minutes to fly from Seattle-Tacoma International Airport (sea) to Logan International Airport(bos).
  • There are around 8 daily flights from Seattle-Tacoma International Airport (SEA) to Logan International Airport (BOS).
  • Tickets cost around €175 in May, making it the cheapest month to book. Seattle-Tacoma International Airport (SEA) to 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 Logan International Airport (BOS) is quite popular. Without considering departure times or holidays, tickets cost around €254 in April, the most expensive month to book this route.
  • American Airlines is a very popular airline operating an average of 2138 flights per month.

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