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

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Fri,Sun 15:37 Seattle-Tacoma (SEA) 23:59 Boston Logan (BOS) A
China Eastern MU 8687 Non-stop Airbus A321neo (32Q) 5:22 Effective 2025-05-07 through 2025-05-23
Codeshare flight, operated by Delta Air Lines.(DL 474)
Mon-Fri,Sun 15:37 Seattle-Tacoma (SEA) 23:59 Boston Logan (BOS) A
China Eastern MU 8687 Non-stop Airbus A321neo (32Q) 5:22 Effective 2025-05-26 through 2025-06-06
Codeshare flight, operated by Delta Air Lines.(DL 474)
Mon-Fri,Sun 15:50 Seattle-Tacoma (SEA) 00:15 Boston Logan (BOS) A
China Eastern MU 8687 Non-stop Airbus A321neo (32Q) 5:25 Effective 2025-06-08 through 2025-07-03
Codeshare flight, operated by Delta Air Lines.(DL 474)
The flight arrives 1 day after departure.
Sun 15:50 Seattle-Tacoma (SEA) 00:15 Boston Logan (BOS) A
China Eastern MU 8687 Non-stop Airbus A321neo (32Q) 5:25 Operates only on 2025-07-06
Codeshare flight, operated by Delta Air Lines.(DL 474)
The flight arrives 1 day after departure.
Sat 22:00 Seattle-Tacoma (SEA) 06:31 Boston Logan (BOS) A
China Eastern MU 8687 Non-stop Airbus A321neo (32Q) 5:31 Effective 2025-07-12 through 2025-08-30
Codeshare flight, operated by Delta Air Lines.(DL 473)
The flight arrives 1 day after departure.
Sat,Sun 22:00 Seattle-Tacoma (SEA) 06:31 Boston Logan (BOS) A
China Eastern MU 8687 Non-stop Airbus A321neo (32Q) 5:31 Effective 2025-08-31 through 2025-09-06
Codeshare flight, operated by Delta Air Lines.(DL 473)
The flight arrives 1 day after departure.
Tue,Sat 22:05 Seattle-Tacoma (SEA) 06:31 Boston Logan (BOS) A
China Eastern MU 8687 Non-stop Airbus A321neo (32Q) 5:26 Valid until 2025-05-03
Codeshare flight, operated by Delta Air Lines.(DL 473)
The flight arrives 1 day after departure.
Tue 22:05 Seattle-Tacoma (SEA) 06:30 Boston Logan (BOS) A
China Eastern MU 8687 Non-stop Airbus A321neo (32Q) 5:25 Operates only on 2025-05-06
Codeshare flight, operated by Delta Air Lines.(DL 473)
The flight arrives 1 day after departure.
Sat 22:11 Seattle-Tacoma (SEA) 06:40 Boston Logan (BOS) A
China Eastern MU 8687 Non-stop Airbus A321neo (32Q) 5:29 Effective 2025-05-10 through 2025-05-24
Codeshare flight, operated by Delta Air Lines.(DL 473)
The flight arrives 1 day after departure.
Sat,Sun 22:11 Seattle-Tacoma (SEA) 06:40 Boston Logan (BOS) A
China Eastern MU 8687 Non-stop Airbus A321neo (32Q) 5:29 Effective 2025-05-25 through 2025-05-31
Codeshare flight, operated by Delta Air Lines.(DL 473)
The flight arrives 1 day after departure.
Sat 22:11 Seattle-Tacoma (SEA) 06:40 Boston Logan (BOS) A
China Eastern MU 8687 Non-stop Airbus A321neo (32Q) 5:29 Operates only on 2025-06-07
Codeshare flight, operated by Delta Air Lines.(DL 473)
The flight arrives 1 day after departure.
Sat 22:15 Seattle-Tacoma (SEA) 06:40 Boston Logan (BOS) A
China Eastern MU 8687 Non-stop Airbus A321neo (32Q) 5:25 Effective 2025-06-14 through 2025-06-28
Codeshare flight, operated by Delta Air Lines.(DL 473)
The flight arrives 1 day after departure.
Fri,Sat 22:15 Seattle-Tacoma (SEA) 06:40 Boston Logan (BOS) A
China Eastern MU 8687 Non-stop Airbus A321neo (32Q) 5:25 Effective 2025-07-04 through 2025-07-05
Codeshare flight, operated by Delta Air Lines.(DL 473)
The flight arrives 1 day after departure.
Daily 22:50 Seattle-Tacoma (SEA) 07:16 Boston Logan (BOS) B
Qatar Airways QR 8850 Non-stop Boeing 737 (73J) 5:26 Effective from 2026-02-12
Codeshare flight, operated by Alaska Airlines.(AS 536)
The flight arrives 1 day after departure.
Daily 23:00 Seattle-Tacoma (SEA) 07:20 Boston Logan (BOS) B
Qatar Airways QR 8850 Non-stop Boeing 737-800 (73H) 5:20 Effective 2025-05-15 through 2025-06-11
Codeshare flight, operated by Alaska Airlines.(AS 536)
The flight arrives 1 day after departure.
Wed 23:15 Seattle-Tacoma (SEA) 07:40 Boston Logan (BOS) B
Qatar Airways QR 8850 Non-stop Boeing 737 (73J) 5:25 Operates only on 2025-05-14
Codeshare flight, operated by Alaska Airlines.(AS 536)
The flight arrives 1 day after departure.
Wed,Thu 23:30 Seattle-Tacoma (SEA) 07:55 Boston Logan (BOS) B
Qatar Airways QR 8850 Non-stop Boeing 737 MAX 9 (7M9) 5:25 Valid until 2025-05-01
Codeshare flight, operated by Alaska Airlines.(AS 536)
The flight arrives 1 day after departure.
Mon-Wed,Fri-Sun 23:30 Seattle-Tacoma (SEA) 07:55 Boston Logan (BOS) B
Qatar Airways QR 8850 Non-stop Boeing 737 (73J) 5:25 Effective 2025-05-02 through 2025-05-10
Codeshare flight, operated by Alaska Airlines.(AS 536)
The flight arrives 1 day after departure.
Thu,Sun 23:30 Seattle-Tacoma (SEA) 07:55 Boston Logan (BOS) B
Qatar Airways QR 8850 Non-stop Boeing 737 MAX 9 (7M9) 5:25 Effective 2025-05-08 through 2025-05-11
Codeshare flight, operated by Alaska Airlines.(AS 536)
The flight arrives 1 day after departure.
Mon,Tue 23:30 Seattle-Tacoma (SEA) 07:55 Boston Logan (BOS) B
Qatar Airways QR 8850 Non-stop Boeing 737 (73J) 5:25 Effective 2025-05-12 through 2025-05-13
Codeshare flight, operated by Alaska Airlines.(AS 536)
The flight arrives 1 day after departure.
Daily 23:30 Seattle-Tacoma (SEA) 07:56 Boston Logan (BOS) B
Qatar Airways QR 8850 Non-stop Boeing 737 (73J) 5:26 Effective 2025-10-04 through 2025-10-25
Codeshare flight, operated by Alaska Airlines.(AS 536)
The flight arrives 1 day after departure.
Daily 23:34 Seattle-Tacoma (SEA) 08:00 Boston Logan (BOS) B
Qatar Airways QR 8850 Non-stop Boeing 737 (73J) 5:26 Effective 2025-08-20 through 2025-10-03
Codeshare flight, operated by Alaska Airlines.(AS 536)
The flight arrives 1 day after departure.
Thu 23:40 Seattle-Tacoma (SEA) 08:00 Boston Logan (BOS) B
Qatar Airways QR 8850 Non-stop Boeing 737 MAX 9 (7M9) 5:20 Operates only on 2025-06-12
Codeshare flight, operated by Alaska Airlines.(AS 536)
The flight arrives 1 day after departure.
Daily 23:40 Seattle-Tacoma (SEA) 08:00 Boston Logan (BOS) B
Qatar Airways QR 8850 Non-stop Boeing 737 (73J) 5:20 Effective 2025-06-13 through 2025-06-28
Codeshare flight, operated by Alaska Airlines.(AS 536)
The flight arrives 1 day after departure.
Thu,Fri,Sun 23:40 Seattle-Tacoma (SEA) 08:00 Boston Logan (BOS) B
Qatar Airways QR 8850 Non-stop Boeing 737 MAX 9 (7M9) 5:20 Effective 2025-06-29 through 2025-07-04
Codeshare flight, operated by Alaska Airlines.(AS 536)
The flight arrives 1 day after departure.
Mon-Wed,Sat,Sun 23:40 Seattle-Tacoma (SEA) 08:00 Boston Logan (BOS) B
Qatar Airways QR 8850 Non-stop Boeing 737 (73J) 5:20 Effective 2025-06-30 through 2025-07-07
Codeshare flight, operated by Alaska Airlines.(AS 536)
The flight arrives 1 day after departure.
Tue 23:40 Seattle-Tacoma (SEA) 08:00 Boston Logan (BOS) B
Qatar Airways QR 8850 Non-stop Boeing 737 MAX 8 (7M8) 5:20 Operates only on 2025-07-08
Codeshare flight, operated by Alaska Airlines.(AS 536)
The flight arrives 1 day after departure.
Daily 23:40 Seattle-Tacoma (SEA) 08:00 Boston Logan (BOS) B
Qatar Airways QR 8850 Non-stop Boeing 737 (73J) 5:20 Effective 2025-07-09 through 2025-07-19
Codeshare flight, operated by Alaska Airlines.(AS 536)
The flight arrives 1 day after departure.
Sun 23:40 Seattle-Tacoma (SEA) 08:00 Boston Logan (BOS) B
Qatar Airways QR 8850 Non-stop Boeing 737 MAX 9 (7M9) 5:20 Operates only on 2025-07-20
Codeshare flight, operated by Alaska Airlines.(AS 536)
The flight arrives 1 day after departure.
Daily 23:40 Seattle-Tacoma (SEA) 08:00 Boston Logan (BOS) B
Qatar Airways QR 8850 Non-stop Boeing 737 (73J) 5:20 Effective 2025-07-21 through 2025-08-12
Codeshare flight, operated by Alaska Airlines.(AS 536)
The flight arrives 1 day after departure.
Tue,Wed 23:40 Seattle-Tacoma (SEA) 08:00 Boston Logan (BOS) B
Qatar Airways QR 8850 Non-stop Boeing 737 MAX 9 (7M9) 5:20 Effective 2025-08-13 through 2025-08-19
Codeshare flight, operated by Alaska Airlines.(AS 536)
The flight arrives 1 day after departure.
Mon,Thu-Sun 23:40 Seattle-Tacoma (SEA) 08:00 Boston Logan (BOS) B
Qatar Airways QR 8850 Non-stop Boeing 737 (73J) 5:20 Effective 2025-08-14 through 2025-08-18
Codeshare flight, operated by Alaska Airlines.(AS 536)
The flight arrives 1 day after departure.
Fri 22:00 Seattle-Tacoma (SEA) 06:34 Boston Logan (BOS) A
LATAM Airlines LA 8973 Non-stop Airbus A320 (320) 5:34 Effective 2025-10-17 through 2025-10-24
Codeshare flight, operated by Delta Air Lines.(DL 473)
The flight arrives 1 day after departure.
Fri 22:00 Seattle-Tacoma (SEA) 06:34 Boston Logan (BOS) A
LATAM Airlines LA 8981 Non-stop Airbus A320 (320) 5:34 Operates only on 2025-10-03
Codeshare flight, operated by Delta Air Lines.(DL 473)
The flight arrives 1 day after departure.
Fri 22:00 Seattle-Tacoma (SEA) 06:34 Boston Logan (BOS) A
LATAM Airlines LA 8995 Non-stop Airbus A320 (320) 5:34 Operates only on 2025-10-10
Codeshare flight, operated by Delta Air Lines.(DL 473)
The flight arrives 1 day after departure.
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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 Codeshare Flights:
China Eastern MU8687
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
Codeshare flight, operated by Delta Air Lines. (DL 474)
Duration: 5:22, non-stop
Airbus A321neo (32Q)
China Eastern MU8687
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
Codeshare flight, operated by Delta Air Lines. (DL 474)
Duration: 5:22, non-stop
Airbus A321neo (32Q)
China Eastern MU8687
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
Codeshare flight, operated by Delta Air Lines. (DL 474)
Duration: 5:25, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
China Eastern MU8687
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
Codeshare flight, operated by Delta Air Lines. (DL 474)
Duration: 5:25, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
China Eastern MU8687
22:00
Seattle-Tacoma (SEA)

06:31(+1)
Boston Logan (BOS) A
Effective 2025-07-12 through 2025-08-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 473)
Duration: 5:31, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
China Eastern MU8687
22:00
Seattle-Tacoma (SEA)

06:31(+1)
Boston Logan (BOS) A
Effective 2025-08-31 through 2025-09-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 473)
Duration: 5:31, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
China Eastern MU8687
22:05
Seattle-Tacoma (SEA)

06:31(+1)
Boston Logan (BOS) A
Valid until 2025-05-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 473)
Duration: 5:26, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
China Eastern MU8687
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
-
Codeshare flight, operated by Delta Air Lines. (DL 473)
Duration: 5:25, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
China Eastern MU8687
22:11
Seattle-Tacoma (SEA)

06:40(+1)
Boston Logan (BOS) A
Effective 2025-05-10 through 2025-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 473)
Duration: 5:29, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
China Eastern MU8687
22:11
Seattle-Tacoma (SEA)

06:40(+1)
Boston Logan (BOS) A
Effective 2025-05-25 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 473)
Duration: 5:29, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
China Eastern MU8687
22:11
Seattle-Tacoma (SEA)

06:40(+1)
Boston Logan (BOS) A
Operates only on 2025-06-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 473)
Duration: 5:29, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
China Eastern MU8687
22:15
Seattle-Tacoma (SEA)

06:40(+1)
Boston Logan (BOS) A
Effective 2025-06-14 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 473)
Duration: 5:25, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
China Eastern MU8687
22:15
Seattle-Tacoma (SEA)

06:40(+1)
Boston Logan (BOS) A
Effective 2025-07-04 through 2025-07-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 473)
Duration: 5:25, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Qatar Airways QR8850
22:50
Seattle-Tacoma (SEA)

07:16(+1)
Boston Logan (BOS) B
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 536)
Duration: 5:26, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Qatar Airways QR8850
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
Codeshare flight, operated by Alaska Airlines. (AS 536)
Duration: 5:20, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Qatar Airways QR8850
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
-
Codeshare flight, operated by Alaska Airlines. (AS 536)
Duration: 5:25, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Qatar Airways QR8850
23:30
Seattle-Tacoma (SEA)

07:55(+1)
Boston Logan (BOS) B
Valid until 2025-05-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 536)
Duration: 5:25, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Qatar Airways QR8850
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
Codeshare flight, operated by Alaska Airlines. (AS 536)
Duration: 5:25, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Qatar Airways QR8850
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
Codeshare flight, operated by Alaska Airlines. (AS 536)
Duration: 5:25, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Qatar Airways QR8850
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
-
Codeshare flight, operated by Alaska Airlines. (AS 536)
Duration: 5:25, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Qatar Airways QR8850
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
Codeshare flight, operated by Alaska Airlines. (AS 536)
Duration: 5:26, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Qatar Airways QR8850
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
Codeshare flight, operated by Alaska Airlines. (AS 536)
Duration: 5:26, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Qatar Airways QR8850
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
-
Codeshare flight, operated by Alaska Airlines. (AS 536)
Duration: 5:20, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Qatar Airways QR8850
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
Codeshare flight, operated by Alaska Airlines. (AS 536)
Duration: 5:20, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Qatar Airways QR8850
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
Codeshare flight, operated by Alaska Airlines. (AS 536)
Duration: 5:20, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Qatar Airways QR8850
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
Codeshare flight, operated by Alaska Airlines. (AS 536)
Duration: 5:20, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Qatar Airways QR8850
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
-
Codeshare flight, operated by Alaska Airlines. (AS 536)
Duration: 5:20, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Qatar Airways QR8850
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
Codeshare flight, operated by Alaska Airlines. (AS 536)
Duration: 5:20, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Qatar Airways QR8850
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
Codeshare flight, operated by Alaska Airlines. (AS 536)
Duration: 5:20, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Qatar Airways QR8850
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
Codeshare flight, operated by Alaska Airlines. (AS 536)
Duration: 5:20, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Qatar Airways QR8850
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
-
Codeshare flight, operated by Alaska Airlines. (AS 536)
Duration: 5:20, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Qatar Airways QR8850
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
Codeshare flight, operated by Alaska Airlines. (AS 536)
Duration: 5:20, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
LATAM Airlines LA8973
22:00
Seattle-Tacoma (SEA)

06:34(+1)
Boston Logan (BOS) A
Effective 2025-10-17 through 2025-10-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 473)
Duration: 5:34, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.
LATAM Airlines LA8981
22:00
Seattle-Tacoma (SEA)

06:34(+1)
Boston Logan (BOS) A
Operates only on 2025-10-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 473)
Duration: 5:34, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.
LATAM Airlines LA8995
22:00
Seattle-Tacoma (SEA)

06:34(+1)
Boston Logan (BOS) A
Operates only on 2025-10-10
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 473)
Duration: 5:34, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.
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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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