All airlines flying from Seattle-Tacoma (SEA) to Boston Logan (BOS).

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Wed-Fri,Sun 15:35 Seattle-Tacoma (SEA) 23:53 Boston Logan (BOS) A
Delta Air Lines DL 474 Non-stop Airbus A321neo (32Q) 5:18 Valid until 2025-05-05
Mon-Fri,Sun 15:37 Seattle-Tacoma (SEA) 23:59 Boston Logan (BOS) A
Delta Air Lines DL 474 Non-stop Airbus A321neo (32Q) 5:22 Effective 2025-05-07 through 2025-05-23
Mon-Fri,Sun 15:37 Seattle-Tacoma (SEA) 23:59 Boston Logan (BOS) A
Delta Air Lines DL 474 Non-stop Airbus A321neo (32Q) 5:22 Effective 2025-05-26 through 2025-06-06
Mon-Fri,Sun 15:50 Seattle-Tacoma (SEA) 00:15 Boston Logan (BOS) A
Delta Air Lines DL 474 Non-stop Airbus A321neo (32Q) 5:25 Effective 2025-06-08 through 2025-07-03
The flight arrives 1 day after departure.
Sun 15:50 Seattle-Tacoma (SEA) 00:15 Boston Logan (BOS) A
Delta Air Lines DL 474 Non-stop Airbus A321neo (32Q) 5:25 Operates only on 2025-07-06
The flight arrives 1 day after departure.
Wed 15:40 Seattle-Tacoma (SEA) 00:06 Boston Logan (BOS) B
Alaska Airlines AS 493 Non-stop Boeing 737 MAX 9 (7M9) 5:26 Operates only on 2025-06-11
The flight arrives 1 day after departure.
Daily 21:40 Seattle-Tacoma (SEA) 05:57 Boston Logan (BOS) C
JetBlue B6 498 Non-stop Airbus A220-300 (223) 5:17 Effective from 2026-02-11
The flight arrives 1 day after departure.
Daily 22:20 Seattle-Tacoma (SEA) 06:37 Boston Logan (BOS) C
JetBlue B6 498 Non-stop Airbus A220-300 (223) 5:17 Effective 2025-12-18 through 2026-01-09
The flight arrives 1 day after departure.
Mon-Fri,Sun 22:20 Seattle-Tacoma (SEA) 06:37 Boston Logan (BOS) C
JetBlue B6 498 Non-stop Airbus A220-300 (223) 5:17 Effective 2026-01-11 through 2026-02-10
The flight arrives 1 day after departure.
Mon-Fri,Sun 22:29 Seattle-Tacoma (SEA) 06:46 Boston Logan (BOS) C
JetBlue B6 498 Non-stop Airbus A220-300 (223) 5:17 Effective 2025-10-26 through 2025-10-31
The flight arrives 1 day after departure.
Sat 22:29 Seattle-Tacoma (SEA) 05:46 Boston Logan (BOS) C
JetBlue B6 498 Non-stop Airbus A220-300 (223) 5:17 Operates only on 2025-11-01
The flight arrives 1 day after departure.
Daily 22:29 Seattle-Tacoma (SEA) 06:46 Boston Logan (BOS) C
JetBlue B6 498 Non-stop Airbus A220-300 (223) 5:17 Effective 2025-11-02 through 2025-12-17
The flight arrives 1 day after departure.
Daily 10:26 Seattle-Tacoma (SEA) 18:59 Boston Logan (BOS) B
Alaska Airlines AS 506 Non-stop Boeing 737 MAX 9 (7M9) 5:33 Effective 2025-05-16 through 2025-06-10
Wed 10:26 Seattle-Tacoma (SEA) 18:59 Boston Logan (BOS) B
Alaska Airlines AS 506 Non-stop Boeing 737 (73J) 5:33 Operates only on 2025-06-11
Daily 22:50 Seattle-Tacoma (SEA) 07:16 Boston Logan (BOS) B
Alaska Airlines AS 536 Non-stop Boeing 737 (73J) 5:26 Effective from 2026-02-12
The flight arrives 1 day after departure.
Daily 23:00 Seattle-Tacoma (SEA) 07:20 Boston Logan (BOS) B
Alaska Airlines AS 536 Non-stop Boeing 737-800 (73H) 5:20 Effective 2025-05-15 through 2025-06-11
The flight arrives 1 day after departure.
Wed 23:15 Seattle-Tacoma (SEA) 07:40 Boston Logan (BOS) B
Alaska Airlines AS 536 Non-stop Boeing 737 (73J) 5:25 Operates only on 2025-05-14
The flight arrives 1 day after departure.
Wed,Thu 23:30 Seattle-Tacoma (SEA) 07:55 Boston Logan (BOS) B
Alaska Airlines AS 536 Non-stop Boeing 737 MAX 9 (7M9) 5:25 Valid until 2025-05-01
The flight arrives 1 day after departure.
Mon-Wed,Fri-Sun 23:30 Seattle-Tacoma (SEA) 07:55 Boston Logan (BOS) B
Alaska Airlines AS 536 Non-stop Boeing 737 (73J) 5:25 Effective 2025-05-02 through 2025-05-10
The flight arrives 1 day after departure.
Thu,Sun 23:30 Seattle-Tacoma (SEA) 07:55 Boston Logan (BOS) B
Alaska Airlines AS 536 Non-stop Boeing 737 MAX 9 (7M9) 5:25 Effective 2025-05-08 through 2025-05-11
The flight arrives 1 day after departure.
Mon,Tue 23:30 Seattle-Tacoma (SEA) 07:55 Boston Logan (BOS) B
Alaska Airlines AS 536 Non-stop Boeing 737 (73J) 5:25 Effective 2025-05-12 through 2025-05-13
The flight arrives 1 day after departure.
Daily 23:30 Seattle-Tacoma (SEA) 07:56 Boston Logan (BOS) B
Alaska Airlines AS 536 Non-stop Boeing 737 (73J) 5:26 Effective 2025-10-04 through 2025-10-25
The flight arrives 1 day after departure.
Daily 23:34 Seattle-Tacoma (SEA) 08:00 Boston Logan (BOS) B
Alaska Airlines AS 536 Non-stop Boeing 737 (73J) 5:26 Effective 2025-08-20 through 2025-10-03
The flight arrives 1 day after departure.
Thu 23:40 Seattle-Tacoma (SEA) 08:00 Boston Logan (BOS) B
Alaska Airlines AS 536 Non-stop Boeing 737 MAX 9 (7M9) 5:20 Operates only on 2025-06-12
The flight arrives 1 day after departure.
Daily 23:40 Seattle-Tacoma (SEA) 08:00 Boston Logan (BOS) B
Alaska Airlines AS 536 Non-stop Boeing 737 (73J) 5:20 Effective 2025-06-13 through 2025-06-28
The flight arrives 1 day after departure.
Thu,Fri,Sun 23:40 Seattle-Tacoma (SEA) 08:00 Boston Logan (BOS) B
Alaska Airlines AS 536 Non-stop Boeing 737 MAX 9 (7M9) 5:20 Effective 2025-06-29 through 2025-07-04
The flight arrives 1 day after departure.
Mon-Wed,Sat,Sun 23:40 Seattle-Tacoma (SEA) 08:00 Boston Logan (BOS) B
Alaska Airlines AS 536 Non-stop Boeing 737 (73J) 5:20 Effective 2025-06-30 through 2025-07-07
The flight arrives 1 day after departure.
Tue 23:40 Seattle-Tacoma (SEA) 08:00 Boston Logan (BOS) B
Alaska Airlines AS 536 Non-stop Boeing 737 MAX 8 (7M8) 5:20 Operates only on 2025-07-08
The flight arrives 1 day after departure.
Daily 23:40 Seattle-Tacoma (SEA) 08:00 Boston Logan (BOS) B
Alaska Airlines AS 536 Non-stop Boeing 737 (73J) 5:20 Effective 2025-07-09 through 2025-07-19
The flight arrives 1 day after departure.
Sun 23:40 Seattle-Tacoma (SEA) 08:00 Boston Logan (BOS) B
Alaska Airlines AS 536 Non-stop Boeing 737 MAX 9 (7M9) 5:20 Operates only on 2025-07-20
The flight arrives 1 day after departure.
Daily 23:40 Seattle-Tacoma (SEA) 08:00 Boston Logan (BOS) B
Alaska Airlines AS 536 Non-stop Boeing 737 (73J) 5:20 Effective 2025-07-21 through 2025-08-12
The flight arrives 1 day after departure.
Tue,Wed 23:40 Seattle-Tacoma (SEA) 08:00 Boston Logan (BOS) B
Alaska Airlines AS 536 Non-stop Boeing 737 MAX 9 (7M9) 5:20 Effective 2025-08-13 through 2025-08-19
The flight arrives 1 day after departure.
Mon,Thu-Sun 23:40 Seattle-Tacoma (SEA) 08:00 Boston Logan (BOS) B
Alaska Airlines AS 536 Non-stop Boeing 737 (73J) 5:20 Effective 2025-08-14 through 2025-08-18
The flight arrives 1 day after departure.
Thu 10:26 Seattle-Tacoma (SEA) 18:59 Boston Logan (BOS) B
Alaska Airlines AS 591 Non-stop Boeing 737 MAX 9 (7M9) 5:33 Operates only on 2025-05-15
Daily 10:05 Seattle-Tacoma (SEA) 18:31 Boston Logan (BOS) B
Alaska Airlines AS 818 Non-stop Boeing 737 (73J) 5:26 Effective 2025-10-04 through 2025-10-25
Daily 10:56 Seattle-Tacoma (SEA) 19:23 Boston Logan (BOS) B
Alaska Airlines AS 818 Non-stop Boeing 737 (73J) 5:27 Effective 2025-08-20 through 2025-10-03
Daily 10:58 Seattle-Tacoma (SEA) 19:19 Boston Logan (BOS) B
Alaska Airlines AS 818 Non-stop Boeing 737 MAX 9 (7M9) 5:21 Effective 2025-06-13 through 2025-07-03
Fri 10:58 Seattle-Tacoma (SEA) 19:19 Boston Logan (BOS) B
Alaska Airlines AS 818 Non-stop Boeing 737 (73J) 5:21 Operates only on 2025-07-04
Daily 10:58 Seattle-Tacoma (SEA) 19:19 Boston Logan (BOS) B
Alaska Airlines AS 818 Non-stop Boeing 737 MAX 9 (7M9) 5:21 Effective 2025-07-05 through 2025-07-17
Fri 10:58 Seattle-Tacoma (SEA) 19:19 Boston Logan (BOS) B
Alaska Airlines AS 818 Non-stop Boeing 737 (73J) 5:21 Effective 2025-07-18 through 2025-08-08
Mon,Tue,Thu,Sat,Sun 10:58 Seattle-Tacoma (SEA) 19:19 Boston Logan (BOS) B
Alaska Airlines AS 818 Non-stop Boeing 737 MAX 9 (7M9) 5:21 Effective 2025-07-19 through 2025-07-29
Wed 10:58 Seattle-Tacoma (SEA) 19:19 Boston Logan (BOS) B
Alaska Airlines AS 818 Non-stop Boeing 737 (73J) 5:21 Operates only on 2025-07-23
Mon-Thu,Sat,Sun 10:58 Seattle-Tacoma (SEA) 19:19 Boston Logan (BOS) B
Alaska Airlines AS 818 Non-stop Boeing 737 MAX 9 (7M9) 5:21 Effective 2025-07-30 through 2025-08-19
Fri 10:58 Seattle-Tacoma (SEA) 19:19 Boston Logan (BOS) B
Alaska Airlines AS 818 Non-stop Boeing 737-800 (73H) 5:21 Operates only on 2025-08-15
Thu 10:58 Seattle-Tacoma (SEA) 19:19 Boston Logan (BOS) B
Alaska Airlines AS 1320 Non-stop Boeing 737 MAX 9 (7M9) 5:21 Operates only on 2025-06-12
Daily 13:05 Seattle-Tacoma (SEA) 21:22 Boston Logan (BOS) C
JetBlue B6 1398 Non-stop Airbus A220-300 (223) 5:17 Effective 2026-01-06 through 2026-02-10
Wed 23:05 Seattle-Tacoma (SEA) 07:25 Boston Logan (BOS) A
Delta Air Lines DL 8817 Non-stop Airbus A330-900neo (339) 5:20 Operates only on 2025-05-21
The flight arrives 1 day after departure.
Non-Direct Flights:
Daily 12:40 Seattle-Tacoma (SEA) 06:01 Boston Logan (BOS) B
United Airlines UA 297 2-stop Airbus A319 (319) 14:21 Effective 2025-08-01 through 2025-08-18
The flight arrives 1 day after departure.
Mon-Wed 06:45 Seattle-Tacoma (SEA) 18:15 Boston Logan (BOS) B
Southwest Airlines WN 2120 2-stop Boeing 737-700 (Scimitar Winglets) 8:30 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 06:45 Seattle-Tacoma (SEA) 18:15 Boston Logan (BOS) B
Southwest Airlines WN 2120 2-stop Boeing 737-700 (Scimitar Winglets) 8:30 Effective 2025-12-19 through 2026-01-04
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All airlines flying from Seattle-Tacoma (SEA) to Boston Logan (BOS).
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL474
15:35
Seattle-Tacoma (SEA)

23:53
Boston Logan (BOS) A
Valid until 2025-05-05
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:18, non-stop
Airbus A321neo (32Q)
Delta Air Lines DL474
15:37
Seattle-Tacoma (SEA)

23:59
Boston Logan (BOS) A
Effective 2025-05-07 through 2025-05-23
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:22, non-stop
Airbus A321neo (32Q)
Delta Air Lines DL474
15:37
Seattle-Tacoma (SEA)

23:59
Boston Logan (BOS) A
Effective 2025-05-26 through 2025-06-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:22, non-stop
Airbus A321neo (32Q)
Delta Air Lines DL474
15:50
Seattle-Tacoma (SEA)

00:15(+1)
Boston Logan (BOS) A
Effective 2025-06-08 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:25, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Delta Air Lines DL474
15:50
Seattle-Tacoma (SEA)

00:15(+1)
Boston Logan (BOS) A
Operates only on 2025-07-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:25, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Alaska Airlines AS493
15:40
Seattle-Tacoma (SEA)

00:06(+1)
Boston Logan (BOS) B
Operates only on 2025-06-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:26, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
JetBlue B6498
21:40
Seattle-Tacoma (SEA)

05:57(+1)
Boston Logan (BOS) C
Effective from 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:17, non-stop
Airbus A220-300 (223)
The flight arrives 1 day after departure.
JetBlue B6498
22:20
Seattle-Tacoma (SEA)

06:37(+1)
Boston Logan (BOS) C
Effective 2025-12-18 through 2026-01-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:17, non-stop
Airbus A220-300 (223)
The flight arrives 1 day after departure.
JetBlue B6498
22:20
Seattle-Tacoma (SEA)

06:37(+1)
Boston Logan (BOS) C
Effective 2026-01-11 through 2026-02-10
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:17, non-stop
Airbus A220-300 (223)
The flight arrives 1 day after departure.
JetBlue B6498
22:29
Seattle-Tacoma (SEA)

06:46(+1)
Boston Logan (BOS) C
Effective 2025-10-26 through 2025-10-31
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:17, non-stop
Airbus A220-300 (223)
The flight arrives 1 day after departure.
JetBlue B6498
22:29
Seattle-Tacoma (SEA)

05:46(+1)
Boston Logan (BOS) C
Operates only on 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:17, non-stop
Airbus A220-300 (223)
The flight arrives 1 day after departure.
JetBlue B6498
22:29
Seattle-Tacoma (SEA)

06:46(+1)
Boston Logan (BOS) C
Effective 2025-11-02 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:17, non-stop
Airbus A220-300 (223)
The flight arrives 1 day after departure.
Alaska Airlines AS506
10:26
Seattle-Tacoma (SEA)

18:59
Boston Logan (BOS) B
Effective 2025-05-16 through 2025-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:33, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS506
10:26
Seattle-Tacoma (SEA)

18:59
Boston Logan (BOS) B
Operates only on 2025-06-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:33, non-stop
Boeing 737 (73J)
Alaska Airlines AS536
22:50
Seattle-Tacoma (SEA)

07:16(+1)
Boston Logan (BOS) B
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:26, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Alaska Airlines AS536
23:00
Seattle-Tacoma (SEA)

07:20(+1)
Boston Logan (BOS) B
Effective 2025-05-15 through 2025-06-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:20, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Alaska Airlines AS536
23:15
Seattle-Tacoma (SEA)

07:40(+1)
Boston Logan (BOS) B
Operates only on 2025-05-14
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:25, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Alaska Airlines AS536
23:30
Seattle-Tacoma (SEA)

07:55(+1)
Boston Logan (BOS) B
Valid until 2025-05-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:25, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Alaska Airlines AS536
23:30
Seattle-Tacoma (SEA)

07:55(+1)
Boston Logan (BOS) B
Effective 2025-05-02 through 2025-05-10
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 5:25, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Alaska Airlines AS536
23:30
Seattle-Tacoma (SEA)

07:55(+1)
Boston Logan (BOS) B
Effective 2025-05-08 through 2025-05-11
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 5:25, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Alaska Airlines AS536
23:30
Seattle-Tacoma (SEA)

07:55(+1)
Boston Logan (BOS) B
Effective 2025-05-12 through 2025-05-13
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:25, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Alaska Airlines AS536
23:30
Seattle-Tacoma (SEA)

07:56(+1)
Boston Logan (BOS) B
Effective 2025-10-04 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:26, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Alaska Airlines AS536
23:34
Seattle-Tacoma (SEA)

08:00(+1)
Boston Logan (BOS) B
Effective 2025-08-20 through 2025-10-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:26, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Alaska Airlines AS536
23:40
Seattle-Tacoma (SEA)

08:00(+1)
Boston Logan (BOS) B
Operates only on 2025-06-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:20, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Alaska Airlines AS536
23:40
Seattle-Tacoma (SEA)

08:00(+1)
Boston Logan (BOS) B
Effective 2025-06-13 through 2025-06-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:20, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Alaska Airlines AS536
23:40
Seattle-Tacoma (SEA)

08:00(+1)
Boston Logan (BOS) B
Effective 2025-06-29 through 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 5:20, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Alaska Airlines AS536
23:40
Seattle-Tacoma (SEA)

08:00(+1)
Boston Logan (BOS) B
Effective 2025-06-30 through 2025-07-07
Mon
Tue
Wed
Thu
-
Fri
-
Sat
Sun
Duration: 5:20, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Alaska Airlines AS536
23:40
Seattle-Tacoma (SEA)

08:00(+1)
Boston Logan (BOS) B
Operates only on 2025-07-08
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:20, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Alaska Airlines AS536
23:40
Seattle-Tacoma (SEA)

08:00(+1)
Boston Logan (BOS) B
Effective 2025-07-09 through 2025-07-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:20, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Alaska Airlines AS536
23:40
Seattle-Tacoma (SEA)

08:00(+1)
Boston Logan (BOS) B
Operates only on 2025-07-20
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:20, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Alaska Airlines AS536
23:40
Seattle-Tacoma (SEA)

08:00(+1)
Boston Logan (BOS) B
Effective 2025-07-21 through 2025-08-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:20, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Alaska Airlines AS536
23:40
Seattle-Tacoma (SEA)

08:00(+1)
Boston Logan (BOS) B
Effective 2025-08-13 through 2025-08-19
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:20, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Alaska Airlines AS536
23:40
Seattle-Tacoma (SEA)

08:00(+1)
Boston Logan (BOS) B
Effective 2025-08-14 through 2025-08-18
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 5:20, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Alaska Airlines AS591
10:26
Seattle-Tacoma (SEA)

18:59
Boston Logan (BOS) B
Operates only on 2025-05-15
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:33, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS818
10:05
Seattle-Tacoma (SEA)

18:31
Boston Logan (BOS) B
Effective 2025-10-04 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:26, non-stop
Boeing 737 (73J)
Alaska Airlines AS818
10:56
Seattle-Tacoma (SEA)

19:23
Boston Logan (BOS) B
Effective 2025-08-20 through 2025-10-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:27, non-stop
Boeing 737 (73J)
Alaska Airlines AS818
10:58
Seattle-Tacoma (SEA)

19:19
Boston Logan (BOS) B
Effective 2025-06-13 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:21, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS818
10:58
Seattle-Tacoma (SEA)

19:19
Boston Logan (BOS) B
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 5:21, non-stop
Boeing 737 (73J)
Alaska Airlines AS818
10:58
Seattle-Tacoma (SEA)

19:19
Boston Logan (BOS) B
Effective 2025-07-05 through 2025-07-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:21, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS818
10:58
Seattle-Tacoma (SEA)

19:19
Boston Logan (BOS) B
Effective 2025-07-18 through 2025-08-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 5:21, non-stop
Boeing 737 (73J)
Alaska Airlines AS818
10:58
Seattle-Tacoma (SEA)

19:19
Boston Logan (BOS) B
Effective 2025-07-19 through 2025-07-29
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Duration: 5:21, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS818
10:58
Seattle-Tacoma (SEA)

19:19
Boston Logan (BOS) B
Operates only on 2025-07-23
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:21, non-stop
Boeing 737 (73J)
Alaska Airlines AS818
10:58
Seattle-Tacoma (SEA)

19:19
Boston Logan (BOS) B
Effective 2025-07-30 through 2025-08-19
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Duration: 5:21, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS818
10:58
Seattle-Tacoma (SEA)

19:19
Boston Logan (BOS) B
Operates only on 2025-08-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 5:21, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS1320
10:58
Seattle-Tacoma (SEA)

19:19
Boston Logan (BOS) B
Operates only on 2025-06-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:21, non-stop
Boeing 737 MAX 9 (7M9)
JetBlue B61398
13:05
Seattle-Tacoma (SEA)

21:22
Boston Logan (BOS) C
Effective 2026-01-06 through 2026-02-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:17, non-stop
Airbus A220-300 (223)
Delta Air Lines DL8817
23:05
Seattle-Tacoma (SEA)

07:25(+1)
Boston Logan (BOS) A
Operates only on 2025-05-21
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:20, non-stop
Airbus A330-900neo (339)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA297
12:40
Seattle-Tacoma (SEA)

06:01(+1)
Boston Logan (BOS) B
Effective 2025-08-01 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 14:21, 2-stop
Airbus A319 (319)
The flight arrives 1 day after departure.
Southwest Airlines WN2120
06:45
Seattle-Tacoma (SEA)

18:15
Boston Logan (BOS) B
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 8:30, 2-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2120
06:45
Seattle-Tacoma (SEA)

18:15
Boston Logan (BOS) B
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 8:30, 2-stop
Boeing 737-700 (Scimitar Winglets)
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  • A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Boston Logan airport (BOS).
  • The flight distance is 2487 miles, or 4003 km.
  • The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 5:16 and 5:39.
Return (BOS-SEA) flights
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