Airlines with flights from Boston to Seattle

There are 7 airlines with scheduled flights between BOS and SEA. Alaska Airlines, Delta and JetBlue has non-stop flights from Logan Airport to Seattle Airport and the flight time is 6 hours and 22 minutes.

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Schedules

Alaska Airlines

Non-stop with Alaska Airlines

  • Total flight time: 6 hours and 22 minutes
  • One World Alliance
  • Seattle is a Alaska Airlines hub (Primary hub).
  • 32 flights per week
  • Boeing 737MAX 9 Passenger
    Boeing 737-900 (winglets) Passenger/BBJ3
    Boeing 737MAX 8 Passenger
    Boeing 737-800 (winglets) Passenger/BBJ2
  • Business and first class available
BOS
Direct
SEA
 
Flight
Mon
Jul 27
Tue
Jul 28
Wed
Jul 29
Thu
Jul 30
Fri
Jul 31
Sat
Aug 1
Sun
Aug 2
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
AS1506
15:26
----
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15:26
15:26
15:26
15:26
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

Delta Air Lines

Non-stop with Delta Air Lines

  • Total flight time: 6 hours and 30 minutes
  • Sky Team Alliance
  • Boston and Seattle are both Delta Air Lines hubs.
  • 27 flights per week
  • Airbus A321neo
  • First class available
BOS
Direct
SEA
 
Flight
Mon
Jul 27
Tue
Jul 28
Wed
Jul 29
Thu
Jul 30
Fri
Jul 31
Sat
Aug 1
Sun
Aug 2
DL384
07:53
07:53
07:53
07:53
07:53
07:53
07:53
DL332
11:29
11:29
11:29
11:29
11:29
11:29
11:29
DL2889
15:40
15:40
15:40
15:40
15:40
----
15:40
DL324
19:29
19:29
19:29
19:29
19:29
18:50
19:29
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 23 minutes
  • Low-cost airline
  • Boston is a JetBlue Airways focus city.
  • 14 flights per week
  • Airbus A321
    Airbus A320
BOS
Direct
SEA
 
Flight
Mon
Jul 27
Tue
Jul 28
Wed
Jul 29
Thu
Jul 30
Fri
Jul 31
Sat
Aug 1
Sun
Aug 2
B6397
07:10
07:10
07:10
07:10
07:10
09:02
07:10
B6197
19:29
19:29
19:29
19:29
19:29
19:00
19:29
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
Jul 27
Tue
Jul 28
Wed
Jul 29
Thu
Jul 30
Fri
Jul 31
Sat
Aug 1
Sun
Aug 2
DL2303
DL868
05:55
05:55
05:55
05:55
05:55
05:55
05:55
DL1138
DL889
07:10
07:10
07:10
07:10
07:10
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07:10
DL1308
DL889
08:16
08:16
08:16
08:16
08:16
08:16
08:16
DL1103
DL877
11:50
11:50
11:50
11:50
11:50
11:50
11:50
DL1127
DL881
14:52
14:52
14:52
14:52
14:52
14:52
14:52
DL1098
DL505
17:55
17:55
17:55
17:55
17:55
17:55
17:55
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
Jul 27
Tue
Jul 28
Wed
Jul 29
Thu
Jul 30
Fri
Jul 31
Sat
Aug 1
Sun
Aug 2
DL1019
DL734
05:40
05:40
05:40
05:40
05:40
05:40
05:40
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
17:18
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
Jul 27
Tue
Jul 28
Wed
Jul 29
Thu
Jul 30
Fri
Jul 31
Sat
Aug 1
Sun
Aug 2
SY254
SY285
10:35
----
----
10:35
10:35
----
10:35
SY252
SY285
11:40
----
11:38
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
Jul 27
Tue
Jul 28
Wed
Jul 29
Thu
Jul 30
Fri
Jul 31
Sat
Aug 1
Sun
Aug 2
WN745
WN1155
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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
----
----
WN745
WN2231
----
----
----
----
----
07:55
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WN746
WN2890
13:10
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----
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
----
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 2026-07-13
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