Airlines with flights from Boston to Seattle

There are 7 airlines with scheduled flights between BOS and SEA. Delta, Alaska Airlines and JetBlue has non-stop flights from Logan Airport to Seattle Airport and the flight time is 6 hours and 31 minutes.

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Schedules

Delta Air Lines

Non-stop with Delta Air Lines

  • Total flight time: 6 hours and 31 minutes
  • Sky Team Alliance
  • Boston and Seattle are both Delta Air Lines hubs.
  • 44 flights per week
  • Airbus A321neo
  • First class available
BOS
Direct
SEA
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
DL384
07:45
07:45
07:45
07:45
07:45
07:45
07:45
DL332
11:30
11:30
11:30
11:30
11:30
11:25
11:30
DL2889
15:40
15:40
15:40
15:40
15:40
----
15:40
DL324
19:25
19:25
19:25
19:25
19:25
18:50
19:25
SHOW RETURN SCHEDULE
CHECK PRICES FOR BOS - SEA

The timetable & schedule information was updated at 2026-04-21

Alaska Airlines

Non-stop with Alaska Airlines

  • Total flight time: 6 hours and 23 minutes
  • One World Alliance
  • Seattle is a Alaska Airlines hub (Primary hub).
  • 28 flights per week
  • Boeing 737-900 (winglets) Passenger/BBJ3
    Boeing 737MAX 9 Passenger
    Boeing 737MAX 8 Passenger
    Boeing 737-800 (winglets) Passenger/BBJ2
  • Business and first class available
BOS
Direct
SEA
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
AS459
07:03
07:03
07:03
07:03
07:03
07:03
07:03
AS338
09:00
09:00
09:00
09:00
09:00
09:00
09:00
AS304
17:56
17:56
17:56
17:56
17:56
17:56
17:56
AS1337
19:44
19:44
19:44
19:44
19:44
----
19:44
SHOW RETURN SCHEDULE
CHECK PRICES FOR BOS - SEA

The timetable & schedule information was updated at 2026-04-21

JetBlue Airways

Non-stop with JetBlue Airways

  • Total flight time: 6 hours and 25 minutes
  • Low-cost airline
  • Boston is a JetBlue Airways focus city.
  • 7 flights per week
  • Airbus A321
    Airbus A320
BOS
Direct
SEA
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
B6397
07:10
07:10
07:10
07:10
07:10
09:02
07:10
B6197
19:24
----
19:24
19:24
19:25
19:24
19:24
SHOW RETURN SCHEDULE
CHECK PRICES FOR BOS - SEA

The timetable & schedule information was updated at 2026-04-21

Delta Air Lines

Via Minneapolis with Delta Air Lines

  • Total flight time: 7h 30m - 9h 50m.
  • Sky Team Alliance
  • Boston and Seattle are both Delta Air Lines hubs.
  • 87 flights per week
  • Airbus A321neo
BOS
 
Via MSP
 
SEA
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
DL2303
DL868
05:55
05:55
05:55
05:55
05:55
05:55
05:55
DL1138
DL889
07:15
07:15
07:15
07:15
07:15
----
07:15
DL1308
DL889
08:15
08:15
08:15
08:15
08:15
08:15
08:15
DL1103
DL877
11:50
11:50
11:50
11:50
11:50
11:50
11:50
DL1127
DL881
14:50
14:50
14:50
14:50
14:50
14:50
14:50
DL1098
DL505
17:54
17:54
17:54
17:54
17:54
17:54
17:54
SHOW RETURN SCHEDULE
CHECK PRICES FOR BOS - SEA

The timetable & schedule information was updated at 2026-04-21

Delta Air Lines

Via Detroit with Delta Air Lines

  • Total flight time: 7h 42m - 8h 48m.
  • Sky Team Alliance
  • Boston and Seattle are both Delta Air Lines hubs.
  • 92 flights per week
  • Airbus A321neo
BOS
 
Via DTW
 
SEA
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
DL1019
DL734
05:30
05:30
05:30
05:30
05:30
05:30
05:30
DL1748
DL728
09:15
09:15
09:15
09:15
09:15
09:15
09:15
DL2222
DL944
13:10
13:10
13:10
13:10
13:10
13:10
13:10
DL1432
DL565
17:15
17:15
17:15
17:15
17:15
17:15
----
SHOW RETURN SCHEDULE
CHECK PRICES FOR BOS - SEA

The timetable & schedule information was updated at 2026-04-21

Sun Country Airlines

Via Minneapolis with Sun Country Airlines

  • Total flight time: 7h 52m - 9h 52m.
  • Low-cost airline
  • 26 flights per week
BOS
 
Via MSP
 
SEA
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
SY254
SY285
10:35
----
----
10:35
10:35
----
10:35
SY252
SY285
11:40
----
11:40
11:40
11:40
11:40
11:40
SHOW RETURN SCHEDULE
CHECK PRICES FOR BOS - SEA

The timetable & schedule information was updated at 2026-04-21

Southwest Airlines

Via Chicago with Southwest Airlines

  • Total flight time: 7h 55m - 12h 55m.
  • Low-cost airline
  • 58 flights per week
BOS
 
Via MDW
 
SEA
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
WN745
WN1155
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----
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07:20
WN745
WN1876
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07:30
07:30
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WN745
WN2835
07:30
----
----
07:30
07:30
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WN745
WN2231
----
----
----
----
----
07:55
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WN746
WN2890
13:10
----
----
13:10
13:10
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----
WN320
WN636
----
13:25
13:25
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----
----
----
WN746
WN4061
----
----
----
----
----
14:10
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WN2777
WN4144
----
----
----
----
----
----
16:45
WN3911
WN4144
18:45
17:30
17:30
18:45
18:45
17:45
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WN3287
WN4144
----
----
----
----
----
----
19:05
SHOW RETURN SCHEDULE
CHECK PRICES FOR BOS - SEA

The timetable & schedule information was updated at 2026-04-21

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Flight data on this page was last updated on 2026-06-02
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