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

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 21:50 Seattle-Tacoma (SEA) 06:12 Boston Logan (BOS) C
JetBlue B6 198 Non-stop Airbus A321 (321) 5:22 Effective 2025-06-12 through 2025-09-02
The flight arrives 1 day after departure.
Daily 10:05 Seattle-Tacoma (SEA) 18:31 Boston Logan (BOS) B
Alaska Airlines AS 214 Non-stop Boeing 737 (73J) 5:26 Effective 2025-10-26 through 2026-01-06
Daily 08:00 Seattle-Tacoma (SEA) 16:37 Boston Logan (BOS) B
Alaska Airlines AS 306 Non-stop Boeing 737 (73J) 5:37 Effective 2025-08-20 through 2025-10-03
Mon,Tue,Thu-Sun 08:13 Seattle-Tacoma (SEA) 16:45 Boston Logan (BOS) B
Alaska Airlines AS 306 Non-stop Boeing 737 MAX 9 (7M9) 5:32 Effective 2025-05-15 through 2025-05-27
Wed 08:13 Seattle-Tacoma (SEA) 16:45 Boston Logan (BOS) B
Alaska Airlines AS 306 Non-stop Boeing 737 (73J) 5:32 Operates only on 2025-05-21
Daily 08:13 Seattle-Tacoma (SEA) 16:45 Boston Logan (BOS) B
Alaska Airlines AS 306 Non-stop Boeing 737 MAX 9 (7M9) 5:32 Effective 2025-05-28 through 2025-06-11
Daily 08:20 Seattle-Tacoma (SEA) 16:46 Boston Logan (BOS) B
Alaska Airlines AS 306 Non-stop Boeing 737 (73J) 5:26 Effective from 2025-10-04
Daily 08:21 Seattle-Tacoma (SEA) 16:45 Boston Logan (BOS) B
Alaska Airlines AS 306 Non-stop Boeing 737 MAX 9 (7M9) 5:24 Effective 2025-06-12 through 2025-07-03
Fri 08:21 Seattle-Tacoma (SEA) 16:45 Boston Logan (BOS) B
Alaska Airlines AS 306 Non-stop Boeing 737-800 (73H) 5:24 Operates only on 2025-07-04
Daily 08:21 Seattle-Tacoma (SEA) 16:45 Boston Logan (BOS) B
Alaska Airlines AS 306 Non-stop Boeing 737 MAX 9 (7M9) 5:24 Effective 2025-07-05 through 2025-08-19
Mon-Wed,Fri-Sun 09:00 Seattle-Tacoma (SEA) 17:30 Boston Logan (BOS) B
Alaska Airlines AS 306 Non-stop Boeing 737 MAX 9 (7M9) 5:30 Valid until 2025-05-14
Thu 09:00 Seattle-Tacoma (SEA) 17:30 Boston Logan (BOS) B
Alaska Airlines AS 306 Non-stop Boeing 737-800 (73H) 5:30 Valid until 2025-05-08
Daily 11:30 Seattle-Tacoma (SEA) 20:07 Boston Logan (BOS) C
JetBlue B6 398 Non-stop Airbus A321 (321) 5:37 Effective 2025-06-12 through 2025-09-02
Daily 11:30 Seattle-Tacoma (SEA) 19:57 Boston Logan (BOS) C
JetBlue B6 398 Non-stop Airbus A321 (321) 5:27 Effective 2025-09-03 through 2025-10-25
Wed-Sat 11:35 Seattle-Tacoma (SEA) 20:08 Boston Logan (BOS) C
JetBlue B6 398 Non-stop Airbus A321 (321) 5:33 Valid until 2025-05-03
Mon-Wed,Fri-Sun 11:35 Seattle-Tacoma (SEA) 20:08 Boston Logan (BOS) C
JetBlue B6 398 Non-stop Airbus A321 (321) 5:33 Effective 2025-06-06 through 2025-06-11
Daily 11:38 Seattle-Tacoma (SEA) 20:10 Boston Logan (BOS) C
JetBlue B6 398 Non-stop Airbus A321 (321) 5:32 Effective 2025-05-04 through 2025-06-05
Fri 15:55 Seattle-Tacoma (SEA) 00:23 Boston Logan (BOS) B
Alaska Airlines AS 421 Non-stop Boeing 737 (73J) 5:28 Operates only on 2025-10-03
The flight arrives 1 day after departure.
Daily 07:20 Seattle-Tacoma (SEA) 15:59 Boston Logan (BOS) A
Delta Air Lines DL 459 Non-stop Airbus A321neo (32Q) 5:39 Effective 2025-07-07 through 2025-09-07
Daily 07:20 Seattle-Tacoma (SEA) 15:54 Boston Logan (BOS) A
Delta Air Lines DL 459 Non-stop Airbus A321neo (32Q) 5:34 Effective 2025-09-08 through 2025-12-19
Daily 07:20 Seattle-Tacoma (SEA) 15:50 Boston Logan (BOS) A
Delta Air Lines DL 459 Non-stop Airbus A321neo (32Q) 5:30 Effective from 2026-01-06
Daily 07:25 Seattle-Tacoma (SEA) 16:00 Boston Logan (BOS) A
Delta Air Lines DL 459 Non-stop Airbus A321neo (32Q) 5:35 Effective 2025-05-07 through 2025-06-07
Daily 07:35 Seattle-Tacoma (SEA) 16:07 Boston Logan (BOS) A
Delta Air Lines DL 459 Non-stop Airbus A321neo (32Q) 5:32 Valid until 2025-05-06
Daily 07:40 Seattle-Tacoma (SEA) 16:16 Boston Logan (BOS) A
Delta Air Lines DL 459 Non-stop Airbus A321neo (32Q) 5:36 Effective 2025-12-20 through 2026-01-05
Daily 07:50 Seattle-Tacoma (SEA) 16:27 Boston Logan (BOS) A
Delta Air Lines DL 459 Non-stop Airbus A321neo (32Q) 5:37 Effective 2025-06-08 through 2025-07-06
Daily 15:35 Seattle-Tacoma (SEA) 23:59 Boston Logan (BOS) B
Alaska Airlines AS 460 Non-stop Boeing 737 (73J) 5:24 Effective from 2025-10-04
Tue,Wed,Sat 15:36 Seattle-Tacoma (SEA) 23:59 Boston Logan (BOS) B
Alaska Airlines AS 460 Non-stop Boeing 737 MAX 9 (7M9) 5:23 Valid until 2025-05-10
Tue 15:36 Seattle-Tacoma (SEA) 23:59 Boston Logan (BOS) B
Alaska Airlines AS 460 Non-stop Boeing 737 (73J) 5:23 Operates only on 2025-05-13
Wed 15:36 Seattle-Tacoma (SEA) 23:59 Boston Logan (BOS) B
Alaska Airlines AS 460 Non-stop Boeing 737 MAX 9 (7M9) 5:23 Operates only on 2025-05-14
Daily 15:40 Seattle-Tacoma (SEA) 00:06 Boston Logan (BOS) B
Alaska Airlines AS 460 Non-stop Boeing 737 MAX 9 (7M9) 5:26 Effective 2025-05-15 through 2025-05-28
The flight arrives 1 day after departure.
Thu 15:40 Seattle-Tacoma (SEA) 00:06 Boston Logan (BOS) B
Alaska Airlines AS 460 Non-stop Boeing 737 (73J) 5:26 Operates only on 2025-05-29
The flight arrives 1 day after departure.
Daily 15:40 Seattle-Tacoma (SEA) 00:06 Boston Logan (BOS) B
Alaska Airlines AS 460 Non-stop Boeing 737 MAX 9 (7M9) 5:26 Effective 2025-05-30 through 2025-06-10
The flight arrives 1 day after departure.
Daily 15:43 Seattle-Tacoma (SEA) 23:59 Boston Logan (BOS) B
Alaska Airlines AS 460 Non-stop Boeing 737 MAX 9 (7M9) 5:16 Effective 2025-06-12 through 2025-08-18
Tue 15:43 Seattle-Tacoma (SEA) 23:59 Boston Logan (BOS) B
Alaska Airlines AS 460 Non-stop Boeing 737 (73J) 5:16 Operates only on 2025-08-19
Daily 15:55 Seattle-Tacoma (SEA) 00:23 Boston Logan (BOS) B
Alaska Airlines AS 460 Non-stop Boeing 737 (73J) 5:28 Effective 2025-08-20 through 2025-10-02
The flight arrives 1 day after departure.
Mon,Thu,Fri,Sun 15:49 Seattle-Tacoma (SEA) 00:12 Boston Logan (BOS) B
Alaska Airlines AS 461 Non-stop Boeing 737 MAX 9 (7M9) 5:23 Valid until 2025-05-12
The flight arrives 1 day after departure.
Daily 22:00 Seattle-Tacoma (SEA) 06:31 Boston Logan (BOS) A
Delta Air Lines DL 473 Non-stop Airbus A321neo (32Q) 5:31 Effective 2025-07-07 through 2025-09-07
The flight arrives 1 day after departure.
Daily 22:00 Seattle-Tacoma (SEA) 06:34 Boston Logan (BOS) A
Delta Air Lines DL 473 Non-stop Airbus A321neo (32Q) 5:34 Effective 2025-09-08 through 2025-10-31
The flight arrives 1 day after departure.
Sat 22:00 Seattle-Tacoma (SEA) 05:34 Boston Logan (BOS) A
Delta Air Lines DL 473 Non-stop Airbus A321neo (32Q) 5:34 Operates only on 2025-11-01
The flight arrives 1 day after departure.
Daily 22:00 Seattle-Tacoma (SEA) 06:34 Boston Logan (BOS) A
Delta Air Lines DL 473 Non-stop Airbus A321neo (32Q) 5:34 Effective 2025-11-02 through 2025-12-19
The flight arrives 1 day after departure.
Daily 22:00 Seattle-Tacoma (SEA) 06:32 Boston Logan (BOS) A
Delta Air Lines DL 473 Non-stop Airbus A321neo (32Q) 5:32 Effective from 2026-01-06
The flight arrives 1 day after departure.
Daily 22:05 Seattle-Tacoma (SEA) 06:31 Boston Logan (BOS) A
Delta Air Lines DL 473 Non-stop Airbus A321neo (32Q) 5:26 Valid until 2025-05-05
The flight arrives 1 day after departure.
Tue 22:05 Seattle-Tacoma (SEA) 06:30 Boston Logan (BOS) A
Delta Air Lines DL 473 Non-stop Airbus A321neo (32Q) 5:25 Operates only on 2025-05-06
The flight arrives 1 day after departure.
Daily 22:11 Seattle-Tacoma (SEA) 06:40 Boston Logan (BOS) A
Delta Air Lines DL 473 Non-stop Airbus A321neo (32Q) 5:29 Effective 2025-05-07 through 2025-06-07
The flight arrives 1 day after departure.
Daily 22:15 Seattle-Tacoma (SEA) 06:40 Boston Logan (BOS) A
Delta Air Lines DL 473 Non-stop Airbus A321neo (32Q) 5:25 Effective 2025-06-08 through 2025-07-06
The flight arrives 1 day after departure.
Daily 23:35 Seattle-Tacoma (SEA) 08:03 Boston Logan (BOS) A
Delta Air Lines DL 473 Non-stop Airbus A321neo (32Q) 5:28 Effective 2025-12-20 through 2026-01-05
The flight arrives 1 day after departure.
Mon-Fri,Sun 15:20 Seattle-Tacoma (SEA) 23:54 Boston Logan (BOS) A
Delta Air Lines DL 474 Non-stop Airbus A321neo (32Q) 5:34 Effective 2025-08-11 through 2025-08-29
Mon-Fri,Sun 15:20 Seattle-Tacoma (SEA) 23:54 Boston Logan (BOS) A
Delta Air Lines DL 474 Non-stop Airbus A321neo (32Q) 5:34 Effective 2025-09-01 through 2025-09-07
Daily 15:20 Seattle-Tacoma (SEA) 23:44 Boston Logan (BOS) A
Delta Air Lines DL 474 Non-stop Airbus A321neo (32Q) 5:24 Effective 2025-09-08 through 2025-12-19
Mon-Fri,Sun 15:30 Seattle-Tacoma (SEA) 23:59 Boston Logan (BOS) A
Delta Air Lines DL 474 Non-stop Airbus A321neo (32Q) 5:29 Effective 2025-07-07 through 2025-08-10
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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:
JetBlue B6198
21:50
Seattle-Tacoma (SEA)

06:12(+1)
Boston Logan (BOS) C
Effective 2025-06-12 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:22, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
Alaska Airlines AS214
10:05
Seattle-Tacoma (SEA)

18:31
Boston Logan (BOS) B
Effective 2025-10-26 through 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:26, non-stop
Boeing 737 (73J)
Alaska Airlines AS306
08:00
Seattle-Tacoma (SEA)

16:37
Boston Logan (BOS) B
Effective 2025-08-20 through 2025-10-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:37, non-stop
Boeing 737 (73J)
Alaska Airlines AS306
08:13
Seattle-Tacoma (SEA)

16:45
Boston Logan (BOS) B
Effective 2025-05-15 through 2025-05-27
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Duration: 5:32, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS306
08:13
Seattle-Tacoma (SEA)

16:45
Boston Logan (BOS) B
Operates only on 2025-05-21
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:32, non-stop
Boeing 737 (73J)
Alaska Airlines AS306
08:13
Seattle-Tacoma (SEA)

16:45
Boston Logan (BOS) B
Effective 2025-05-28 through 2025-06-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:32, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS306
08:20
Seattle-Tacoma (SEA)

16:46
Boston Logan (BOS) B
Effective from 2025-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:26, non-stop
Boeing 737 (73J)
Alaska Airlines AS306
08:21
Seattle-Tacoma (SEA)

16:45
Boston Logan (BOS) B
Effective 2025-06-12 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:24, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS306
08:21
Seattle-Tacoma (SEA)

16:45
Boston Logan (BOS) B
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 5:24, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS306
08:21
Seattle-Tacoma (SEA)

16:45
Boston Logan (BOS) B
Effective 2025-07-05 through 2025-08-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:24, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS306
09:00
Seattle-Tacoma (SEA)

17:30
Boston Logan (BOS) B
Valid until 2025-05-14
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 5:30, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS306
09:00
Seattle-Tacoma (SEA)

17:30
Boston Logan (BOS) B
Valid until 2025-05-08
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:30, non-stop
Boeing 737-800 (73H)
JetBlue B6398
11:30
Seattle-Tacoma (SEA)

20:07
Boston Logan (BOS) C
Effective 2025-06-12 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:37, non-stop
Airbus A321 (321)
JetBlue B6398
11:30
Seattle-Tacoma (SEA)

19:57
Boston Logan (BOS) C
Effective 2025-09-03 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:27, non-stop
Airbus A321 (321)
JetBlue B6398
11:35
Seattle-Tacoma (SEA)

20:08
Boston Logan (BOS) C
Valid until 2025-05-03
Mon
-
Tue
-
Wed
Thu
Fri
Sat
Sun
-
Duration: 5:33, non-stop
Airbus A321 (321)
JetBlue B6398
11:35
Seattle-Tacoma (SEA)

20:08
Boston Logan (BOS) C
Effective 2025-06-06 through 2025-06-11
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 5:33, non-stop
Airbus A321 (321)
JetBlue B6398
11:38
Seattle-Tacoma (SEA)

20:10
Boston Logan (BOS) C
Effective 2025-05-04 through 2025-06-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:32, non-stop
Airbus A321 (321)
Alaska Airlines AS421
15:55
Seattle-Tacoma (SEA)

00:23(+1)
Boston Logan (BOS) B
Operates only on 2025-10-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 5:28, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Delta Air Lines DL459
07:20
Seattle-Tacoma (SEA)

15:59
Boston Logan (BOS) A
Effective 2025-07-07 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:39, non-stop
Airbus A321neo (32Q)
Delta Air Lines DL459
07:20
Seattle-Tacoma (SEA)

15:54
Boston Logan (BOS) A
Effective 2025-09-08 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:34, non-stop
Airbus A321neo (32Q)
Delta Air Lines DL459
07:20
Seattle-Tacoma (SEA)

15:50
Boston Logan (BOS) A
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:30, non-stop
Airbus A321neo (32Q)
Delta Air Lines DL459
07:25
Seattle-Tacoma (SEA)

16:00
Boston Logan (BOS) A
Effective 2025-05-07 through 2025-06-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:35, non-stop
Airbus A321neo (32Q)
Delta Air Lines DL459
07:35
Seattle-Tacoma (SEA)

16:07
Boston Logan (BOS) A
Valid until 2025-05-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:32, non-stop
Airbus A321neo (32Q)
Delta Air Lines DL459
07:40
Seattle-Tacoma (SEA)

16:16
Boston Logan (BOS) A
Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:36, non-stop
Airbus A321neo (32Q)
Delta Air Lines DL459
07:50
Seattle-Tacoma (SEA)

16:27
Boston Logan (BOS) A
Effective 2025-06-08 through 2025-07-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:37, non-stop
Airbus A321neo (32Q)
Alaska Airlines AS460
15:35
Seattle-Tacoma (SEA)

23:59
Boston Logan (BOS) B
Effective from 2025-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:24, non-stop
Boeing 737 (73J)
Alaska Airlines AS460
15:36
Seattle-Tacoma (SEA)

23:59
Boston Logan (BOS) B
Valid until 2025-05-10
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:23, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS460
15:36
Seattle-Tacoma (SEA)

23:59
Boston Logan (BOS) B
Operates only on 2025-05-13
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:23, non-stop
Boeing 737 (73J)
Alaska Airlines AS460
15:36
Seattle-Tacoma (SEA)

23:59
Boston Logan (BOS) B
Operates only on 2025-05-14
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:23, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS460
15:40
Seattle-Tacoma (SEA)

00:06(+1)
Boston Logan (BOS) B
Effective 2025-05-15 through 2025-05-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:26, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Alaska Airlines AS460
15:40
Seattle-Tacoma (SEA)

00:06(+1)
Boston Logan (BOS) B
Operates only on 2025-05-29
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:26, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Alaska Airlines AS460
15:40
Seattle-Tacoma (SEA)

00:06(+1)
Boston Logan (BOS) B
Effective 2025-05-30 through 2025-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:26, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Alaska Airlines AS460
15:43
Seattle-Tacoma (SEA)

23:59
Boston Logan (BOS) B
Effective 2025-06-12 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:16, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS460
15:43
Seattle-Tacoma (SEA)

23:59
Boston Logan (BOS) B
Operates only on 2025-08-19
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:16, non-stop
Boeing 737 (73J)
Alaska Airlines AS460
15:55
Seattle-Tacoma (SEA)

00:23(+1)
Boston Logan (BOS) B
Effective 2025-08-20 through 2025-10-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:28, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Alaska Airlines AS461
15:49
Seattle-Tacoma (SEA)

00:12(+1)
Boston Logan (BOS) B
Valid until 2025-05-12
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 5:23, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Delta Air Lines DL473
22:00
Seattle-Tacoma (SEA)

06:31(+1)
Boston Logan (BOS) A
Effective 2025-07-07 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:31, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Delta Air Lines DL473
22:00
Seattle-Tacoma (SEA)

06:34(+1)
Boston Logan (BOS) A
Effective 2025-09-08 through 2025-10-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:34, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Delta Air Lines DL473
22:00
Seattle-Tacoma (SEA)

05:34(+1)
Boston Logan (BOS) A
Operates only on 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:34, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Delta Air Lines DL473
22:00
Seattle-Tacoma (SEA)

06:34(+1)
Boston Logan (BOS) A
Effective 2025-11-02 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:34, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Delta Air Lines DL473
22:00
Seattle-Tacoma (SEA)

06:32(+1)
Boston Logan (BOS) A
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:32, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Delta Air Lines DL473
22:05
Seattle-Tacoma (SEA)

06:31(+1)
Boston Logan (BOS) A
Valid until 2025-05-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:26, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Delta Air Lines DL473
22:05
Seattle-Tacoma (SEA)

06:30(+1)
Boston Logan (BOS) A
Operates only on 2025-05-06
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 DL473
22:11
Seattle-Tacoma (SEA)

06:40(+1)
Boston Logan (BOS) A
Effective 2025-05-07 through 2025-06-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:29, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Delta Air Lines DL473
22:15
Seattle-Tacoma (SEA)

06:40(+1)
Boston Logan (BOS) A
Effective 2025-06-08 through 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.
Delta Air Lines DL473
23:35
Seattle-Tacoma (SEA)

08:03(+1)
Boston Logan (BOS) A
Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:28, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Delta Air Lines DL474
15:20
Seattle-Tacoma (SEA)

23:54
Boston Logan (BOS) A
Effective 2025-08-11 through 2025-08-29
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:34, non-stop
Airbus A321neo (32Q)
Delta Air Lines DL474
15:20
Seattle-Tacoma (SEA)

23:54
Boston Logan (BOS) A
Effective 2025-09-01 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:34, non-stop
Airbus A321neo (32Q)
Delta Air Lines DL474
15:20
Seattle-Tacoma (SEA)

23:44
Boston Logan (BOS) A
Effective 2025-09-08 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:24, non-stop
Airbus A321neo (32Q)
Delta Air Lines DL474
15:30
Seattle-Tacoma (SEA)

23:59
Boston Logan (BOS) A
Effective 2025-07-07 through 2025-08-10
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:29, non-stop
Airbus A321neo (32Q)
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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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