All airlines flying from Seattle-Tacoma (SEA) to Boston Logan (BOS).
| FLIGHT SCHEDULE |
|---|
| Direct Codeshare Flights: |
| Mon,Thu,Sat,Sun
22:50
Seattle-Tacoma (SEA)
07:12
Boston Logan (BOS) B Condor DE 5066 Non-stop Boeing 737 (73J) 5:22 Effective 2026-04-12 through 2026-04-20 Codeshare flight, operated by Alaska Airlines.(AS 536) The flight arrives 1 day after departure. |
| Daily
22:50
Seattle-Tacoma (SEA)
07:12
Boston Logan (BOS) B Condor DE 5066 Non-stop Boeing 737 (73J) 5:22 Effective 2026-04-22 through 2026-05-12 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 Condor DE 5066 Non-stop Boeing 737 (73J) 5:20 Effective 2026-05-13 through 2026-06-09 Codeshare flight, operated by Alaska Airlines.(AS 536) The flight arrives 1 day after departure. |
| Mon,Thu
23:25
Seattle-Tacoma (SEA)
07:48
Boston Logan (BOS) B Condor DE 5066 Non-stop Boeing 737-800 (73H) 5:23 Valid until 2026-01-05 Codeshare flight, operated by Alaska Airlines.(AS 214) The flight arrives 1 day after departure. |
| Sat
23:25
Seattle-Tacoma (SEA)
07:48
Boston Logan (BOS) B Condor DE 5066 Non-stop Boeing 737 MAX 9 (7M9) 5:23 Operates only on 2026-01-03 Codeshare flight, operated by Alaska Airlines.(AS 214) The flight arrives 1 day after departure. |
| Daily
23:40
Seattle-Tacoma (SEA)
08:02
Boston Logan (BOS) B Condor DE 5066 Non-stop Boeing 737 (73J) 5:22 Effective 2026-06-10 through 2026-08-18 Codeshare flight, operated by Alaska Airlines.(AS 536) The flight arrives 1 day after departure. |
| Daily
23:40
Seattle-Tacoma (SEA)
08:02
Boston Logan (BOS) B Condor DE 5066 Non-stop Boeing 737 (73J) 5:22 Effective 2026-08-20 through 2026-10-02 Codeshare flight, operated by Alaska Airlines.(AS 536) The flight arrives 1 day after departure. |
| Daily
22:10
Seattle-Tacoma (SEA)
06:30
Boston Logan (BOS) C Aer Lingus EI 5267 Non-stop Airbus A321 (321) 5:20 Effective 2026-06-11 through 2026-09-08 Codeshare flight, operated by JetBlue.(B6 198) The flight arrives 1 day after departure. |
| Daily
11:30
Seattle-Tacoma (SEA)
20:05
Boston Logan (BOS) C Aer Lingus EI 5269 Non-stop Airbus A321 (321) 5:35 Effective 2026-04-30 through 2026-09-08 Codeshare flight, operated by JetBlue.(B6 398) |
| Daily
11:30
Seattle-Tacoma (SEA)
20:23
Boston Logan (BOS) C Aer Lingus EI 5269 Non-stop Airbus A321 (321) 5:53 Effective from 2026-09-09 Codeshare flight, operated by JetBlue.(B6 398) |
| Daily
11:50
Seattle-Tacoma (SEA)
20:30
Boston Logan (BOS) A Air France AF 5927 Non-stop Airbus A321neo (32Q) 5:40 Effective 2026-06-07 through 2026-10-05 Codeshare flight, operated by Delta Air Lines.(DL 438) |
| Daily
11:50
Seattle-Tacoma (SEA)
20:23
Boston Logan (BOS) A Air France AF 5927 Non-stop Airbus A321neo (32Q) 5:33 Effective 2026-10-06 through 2026-10-24 Codeshare flight, operated by Delta Air Lines.(DL 438) |
| Sun
22:25
Seattle-Tacoma (SEA)
06:49
Boston Logan (BOS) A LATAM Airlines LA 6141 Non-stop Airbus A320 (320) 5:24 Operates only on 2026-03-08 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure. |
| Sun
22:25
Seattle-Tacoma (SEA)
06:50
Boston Logan (BOS) A LATAM Airlines LA 6141 Non-stop Airbus A320 (320) 5:25 Effective 2026-03-15 through 2026-03-22 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure. |
| Tue,Sat
22:00
Seattle-Tacoma (SEA)
06:35
Boston Logan (BOS) A LATAM Airlines LA 6237 Non-stop Airbus A320 (320) 5:35 Effective 2026-08-15 through 2026-08-29 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure. |
| Sat
22:00
Seattle-Tacoma (SEA)
06:35
Boston Logan (BOS) A LATAM Airlines LA 6237 Non-stop Airbus A320 (320) 5:35 Operates only on 2026-09-05 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure. |
| Sun
22:00
Seattle-Tacoma (SEA)
06:33
Boston Logan (BOS) A LATAM Airlines LA 6257 Non-stop Airbus A320 (320) 5:33 Operates only on 2026-10-25 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure. |
| Wed
15:35
Seattle-Tacoma (SEA)
23:59
Boston Logan (BOS) B Korean Air KE 6259 Non-stop Boeing 737 (73J) 5:24 Operates only on 2026-03-18 Codeshare flight, operated by Alaska Airlines.(AS 460) |
| Daily
15:35
Seattle-Tacoma (SEA)
23:54
Boston Logan (BOS) B Korean Air KE 6259 Non-stop Boeing 737 (73J) 5:19 Effective 2026-03-19 through 2026-05-12 Codeshare flight, operated by Alaska Airlines.(AS 460) |
| Mon-Thu,Sat,Sun
15:40
Seattle-Tacoma (SEA)
23:54
Boston Logan (BOS) B Korean Air KE 6259 Non-stop Boeing 737 MAX 9 (7M9) 5:14 Effective 2026-01-07 through 2026-01-13 Codeshare flight, operated by Alaska Airlines.(AS 460) |
| Wed-Fri
15:40
Seattle-Tacoma (SEA)
23:54
Boston Logan (BOS) B Korean Air KE 6259 Non-stop Boeing 737 (73J) 5:14 Effective 2026-01-09 through 2026-01-15 Codeshare flight, operated by Alaska Airlines.(AS 460) |
| Mon,Tue,Thu-Sun
15:40
Seattle-Tacoma (SEA)
23:54
Boston Logan (BOS) B Korean Air KE 6259 Non-stop Boeing 737 MAX 9 (7M9) 5:14 Effective 2026-01-16 through 2026-01-27 Codeshare flight, operated by Alaska Airlines.(AS 460) |
| Wed
15:40
Seattle-Tacoma (SEA)
23:54
Boston Logan (BOS) B Korean Air KE 6259 Non-stop Boeing 737 (73J) 5:14 Effective 2026-01-21 through 2026-02-04 Codeshare flight, operated by Alaska Airlines.(AS 460) |
| Thu
15:40
Seattle-Tacoma (SEA)
23:54
Boston Logan (BOS) B Korean Air KE 6259 Non-stop Boeing 737-800 (73H) 5:14 Operates only on 2026-01-29 Codeshare flight, operated by Alaska Airlines.(AS 460) |
| Mon,Tue,Fri-Sun
15:40
Seattle-Tacoma (SEA)
23:54
Boston Logan (BOS) B Korean Air KE 6259 Non-stop Boeing 737 MAX 9 (7M9) 5:14 Effective 2026-01-30 through 2026-02-10 Codeshare flight, operated by Alaska Airlines.(AS 460) |
| Thu
15:40
Seattle-Tacoma (SEA)
23:54
Boston Logan (BOS) B Korean Air KE 6259 Non-stop Boeing 737 (73J) 5:14 Operates only on 2026-02-05 Codeshare flight, operated by Alaska Airlines.(AS 460) |
| Wed
15:40
Seattle-Tacoma (SEA)
23:54
Boston Logan (BOS) B Korean Air KE 6259 Non-stop Boeing 737 MAX 9 (7M9) 5:14 Operates only on 2026-02-11 Codeshare flight, operated by Alaska Airlines.(AS 460) |
| Daily
15:40
Seattle-Tacoma (SEA)
00:06
Boston Logan (BOS) B Korean Air KE 6259 Non-stop Boeing 737 (73J) 5:26 Effective 2026-05-13 through 2026-06-09 Codeshare flight, operated by Alaska Airlines.(AS 460) The flight arrives 1 day after departure. |
| Mon-Sat
15:42
Seattle-Tacoma (SEA)
23:59
Boston Logan (BOS) B Korean Air KE 6259 Non-stop Boeing 737 MAX 9 (7M9) 5:17 Effective 2026-02-12 through 2026-02-18 Codeshare flight, operated by Alaska Airlines.(AS 460) |
| Sun
15:42
Seattle-Tacoma (SEA)
23:59
Boston Logan (BOS) B Korean Air KE 6259 Non-stop Boeing 737-800 (73H) 5:17 Effective 2026-02-15 through 2026-02-22 Codeshare flight, operated by Alaska Airlines.(AS 460) |
| Wed,Thu
15:42
Seattle-Tacoma (SEA)
23:59
Boston Logan (BOS) B Korean Air KE 6259 Non-stop Boeing 737 (73J) 5:17 Effective 2026-02-19 through 2026-02-26 Codeshare flight, operated by Alaska Airlines.(AS 460) |
| Mon,Tue,Fri,Sat
15:42
Seattle-Tacoma (SEA)
23:59
Boston Logan (BOS) B Korean Air KE 6259 Non-stop Boeing 737 MAX 9 (7M9) 5:17 Effective 2026-02-20 through 2026-03-03 Codeshare flight, operated by Alaska Airlines.(AS 460) |
| Wed-Sun
15:42
Seattle-Tacoma (SEA)
23:59
Boston Logan (BOS) B Korean Air KE 6259 Non-stop Boeing 737 (73J) 5:17 Effective 2026-03-01 through 2026-03-07 Codeshare flight, operated by Alaska Airlines.(AS 460) |
| Mon,Tue,Fri,Sun
15:42
Seattle-Tacoma (SEA)
23:59
Boston Logan (BOS) B Korean Air KE 6259 Non-stop Boeing 737 MAX 9 (7M9) 5:17 Effective 2026-03-08 through 2026-03-13 Codeshare flight, operated by Alaska Airlines.(AS 460) |
| Tue-Thu,Sat,Sun
15:42
Seattle-Tacoma (SEA)
23:59
Boston Logan (BOS) B Korean Air KE 6259 Non-stop Boeing 737 (73J) 5:17 Effective 2026-03-11 through 2026-03-17 Codeshare flight, operated by Alaska Airlines.(AS 460) |
| Mon
15:42
Seattle-Tacoma (SEA)
23:59
Boston Logan (BOS) B Korean Air KE 6259 Non-stop Boeing 737 MAX 9 (7M9) 5:17 Operates only on 2026-03-16 Codeshare flight, operated by Alaska Airlines.(AS 460) |
| Daily
15:43
Seattle-Tacoma (SEA)
00:05
Boston Logan (BOS) B Korean Air KE 6259 Non-stop Boeing 737 (73J) 5:22 Effective from 2026-06-10 Codeshare flight, operated by Alaska Airlines.(AS 460) The flight arrives 1 day after departure. |
| Mon-Wed,Fri,Sun
15:59
Seattle-Tacoma (SEA)
00:23
Boston Logan (BOS) B Korean Air KE 6259 Non-stop Boeing 737 MAX 9 (7M9) 5:24 Valid until 2026-01-04 Codeshare flight, operated by Alaska Airlines.(AS 460) The flight arrives 1 day after departure. |
| Thu,Sat
15:59
Seattle-Tacoma (SEA)
00:23
Boston Logan (BOS) B Korean Air KE 6259 Non-stop Boeing 737 (73J) 5:24 Valid until 2026-01-03 Codeshare flight, operated by Alaska Airlines.(AS 460) The flight arrives 1 day after departure. |
| Mon
15:59
Seattle-Tacoma (SEA)
00:23
Boston Logan (BOS) B Korean Air KE 6259 Non-stop Boeing 737-800 (73H) 5:24 Operates only on 2026-01-05 Codeshare flight, operated by Alaska Airlines.(AS 460) The flight arrives 1 day after departure. |
| Tue
15:59
Seattle-Tacoma (SEA)
00:23
Boston Logan (BOS) B Korean Air KE 6259 Non-stop Boeing 737 MAX 9 (7M9) 5:24 Operates only on 2026-01-06 Codeshare flight, operated by Alaska Airlines.(AS 456) The flight arrives 1 day after departure. |
| Sat
22:00
Seattle-Tacoma (SEA)
06:35
Boston Logan (BOS) A LATAM Airlines LA 6317 Non-stop Airbus A320 (320) 5:35 Operates only on 2026-05-23 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure. |
| Wed
15:35
Seattle-Tacoma (SEA)
23:59
Boston Logan (BOS) B JAL JL 6356 Non-stop Boeing 737 (73J) 5:24 Operates only on 2026-03-18 Codeshare flight, operated by Alaska Airlines.(AS 460) |
| Daily
15:35
Seattle-Tacoma (SEA)
23:54
Boston Logan (BOS) B JAL JL 6356 Non-stop Boeing 737 (73J) 5:19 Effective 2026-03-19 through 2026-05-12 Codeshare flight, operated by Alaska Airlines.(AS 460) |
| Mon-Thu,Sat,Sun
15:40
Seattle-Tacoma (SEA)
23:54
Boston Logan (BOS) B JAL JL 6356 Non-stop Boeing 737 MAX 9 (7M9) 5:14 Effective 2026-01-07 through 2026-01-13 Codeshare flight, operated by Alaska Airlines.(AS 460) |
| Wed-Fri
15:40
Seattle-Tacoma (SEA)
23:54
Boston Logan (BOS) B JAL JL 6356 Non-stop Boeing 737 (73J) 5:14 Effective 2026-01-09 through 2026-01-15 Codeshare flight, operated by Alaska Airlines.(AS 460) |
| Mon,Tue,Thu-Sun
15:40
Seattle-Tacoma (SEA)
23:54
Boston Logan (BOS) B JAL JL 6356 Non-stop Boeing 737 MAX 9 (7M9) 5:14 Effective 2026-01-16 through 2026-01-27 Codeshare flight, operated by Alaska Airlines.(AS 460) |
| Wed
15:40
Seattle-Tacoma (SEA)
23:54
Boston Logan (BOS) B JAL JL 6356 Non-stop Boeing 737 (73J) 5:14 Effective 2026-01-21 through 2026-02-04 Codeshare flight, operated by Alaska Airlines.(AS 460) |
| Thu
15:40
Seattle-Tacoma (SEA)
23:54
Boston Logan (BOS) B JAL JL 6356 Non-stop Boeing 737-800 (73H) 5:14 Operates only on 2026-01-29 Codeshare flight, operated by Alaska Airlines.(AS 460) |
| Mon,Tue,Fri-Sun
15:40
Seattle-Tacoma (SEA)
23:54
Boston Logan (BOS) B JAL JL 6356 Non-stop Boeing 737 MAX 9 (7M9) 5:14 Effective 2026-01-30 through 2026-02-10 Codeshare flight, operated by Alaska Airlines.(AS 460) |
- 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 5:14 and 5:53.
