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

FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Thu,Sat,Sun 15:40 Seattle-Tacoma (SEA) 23:54 Boston Logan (BOS) B Hawaiian Airlines HA 6627 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 Hawaiian Airlines HA 6627 Non-stop Boeing 737 (737) 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 Hawaiian Airlines HA 6627 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 Hawaiian Airlines HA 6627 Non-stop Boeing 737 (737) 5:14 Effective 2026-01-21 through 2026-01-28 Codeshare flight, operated by Alaska Airlines.(AS 460)
Wed,Thu 15:40 Seattle-Tacoma (SEA) 23:54 Boston Logan (BOS) B Hawaiian Airlines HA 6627 Non-stop Boeing 737 (737) 5:14 Effective 2026-01-29 through 2026-02-05 Codeshare flight, operated by Alaska Airlines.(AS 460)
Mon,Tue,Fri-Sun 15:40 Seattle-Tacoma (SEA) 23:54 Boston Logan (BOS) B Hawaiian Airlines HA 6627 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)
Wed 15:40 Seattle-Tacoma (SEA) 23:54 Boston Logan (BOS) B Hawaiian Airlines HA 6627 Non-stop Boeing 737 MAX 9 (7M9) 5:14 Operates only on 2026-02-11 Codeshare flight, operated by Alaska Airlines.(AS 460)
Mon-Sat 15:42 Seattle-Tacoma (SEA) 23:59 Boston Logan (BOS) B Hawaiian Airlines HA 6627 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)
Thu,Sun 15:42 Seattle-Tacoma (SEA) 23:59 Boston Logan (BOS) B Hawaiian Airlines HA 6627 Non-stop Boeing 737 (737) 5:17 Effective 2026-02-15 through 2026-02-22 Codeshare flight, operated by Alaska Airlines.(AS 460)
Mon,Tue,Fri,Sat 15:42 Seattle-Tacoma (SEA) 23:59 Boston Logan (BOS) B Hawaiian Airlines HA 6627 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,Thu,Sun 15:42 Seattle-Tacoma (SEA) 23:59 Boston Logan (BOS) B Hawaiian Airlines HA 6627 Non-stop Boeing 737 (737) 5:17 Effective 2026-02-25 through 2026-03-05 Codeshare flight, operated by Alaska Airlines.(AS 460)
Fri,Sat 15:42 Seattle-Tacoma (SEA) 23:59 Boston Logan (BOS) B Hawaiian Airlines HA 6627 Non-stop Boeing 737 (737) 5:17 Effective 2026-03-06 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 Hawaiian Airlines HA 6627 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 Hawaiian Airlines HA 6627 Non-stop Boeing 737 (737) 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 Hawaiian Airlines HA 6627 Non-stop Boeing 737 MAX 9 (7M9) 5:17 Operates only on 2026-03-16 Codeshare flight, operated by Alaska Airlines.(AS 460)
Mon-Wed,Fri,Sun 15:59 Seattle-Tacoma (SEA) 00:23 Boston Logan (BOS) B Hawaiian Airlines HA 6627 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.
Mon,Thu,Sat 15:59 Seattle-Tacoma (SEA) 00:23 Boston Logan (BOS) B Hawaiian Airlines HA 6627 Non-stop Boeing 737 (737) 5:24 Valid until 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 Hawaiian Airlines HA 6627 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.
Wed,Thu,Sun 23:00 Seattle-Tacoma (SEA) 07:29 Boston Logan (BOS) A LATAM Airlines LA 6753 Non-stop Airbus A320 (320) 5:29 Valid until 2026-01-04 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Mon,Tue,Thu,Fri 23:25 Seattle-Tacoma (SEA) 07:48 Boston Logan (BOS) B Hawaiian Airlines HA 6753 Non-stop Boeing 737 (737) 5:23 Valid until 2026-01-05 Codeshare flight, operated by Alaska Airlines.(AS 214) The flight arrives 1 day after departure.
Wed,Sat 23:25 Seattle-Tacoma (SEA) 07:48 Boston Logan (BOS) B Hawaiian Airlines HA 6753 Non-stop Boeing 737 MAX 9 (7M9) 5:23 Valid until 2026-01-03 Codeshare flight, operated by Alaska Airlines.(AS 214) The flight arrives 1 day after departure.
Sun 23:25 Seattle-Tacoma (SEA) 07:48 Boston Logan (BOS) B Hawaiian Airlines HA 6753 Non-stop Boeing 737 MAX 8 (7M8) 5:23 Operates only on 2026-01-04 Codeshare flight, operated by Alaska Airlines.(AS 214) The flight arrives 1 day after departure.
Wed,Sun 22:00 Seattle-Tacoma (SEA) 06:35 Boston Logan (BOS) A LATAM Airlines LA 7000 Non-stop Airbus A320 (320) 5:35 Effective 2026-05-24 through 2026-05-27 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Wed 22:00 Seattle-Tacoma (SEA) 06:35 Boston Logan (BOS) A LATAM Airlines LA 7000 Non-stop Airbus A320 (320) 5:35 Effective 2026-06-03 through 2026-09-09 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Mon 22:00 Seattle-Tacoma (SEA) 06:33 Boston Logan (BOS) A LATAM Airlines LA 7005 Non-stop Airbus A320 (320) 5:33 Operates only on 2026-10-26 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Sun 22:00 Seattle-Tacoma (SEA) 06:35 Boston Logan (BOS) A LATAM Airlines LA 7019 Non-stop Airbus A320 (320) 5:35 Effective 2026-05-31 through 2026-06-28 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Sun 22:00 Seattle-Tacoma (SEA) 06:35 Boston Logan (BOS) A LATAM Airlines LA 7019 Non-stop Airbus A320 (320) 5:35 Operates only on 2026-09-06 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Thu 22:00 Seattle-Tacoma (SEA) 06:35 Boston Logan (BOS) A LATAM Airlines LA 7061 Non-stop Airbus A320 (320) 5:35 Effective 2026-08-20 through 2026-09-10 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Thu,Sat 22:00 Seattle-Tacoma (SEA) 06:35 Boston Logan (BOS) A LATAM Airlines LA 7061 Non-stop Airbus A320 (320) 5:35 Effective 2026-09-12 through 2026-10-03 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Thu,Sat 22:00 Seattle-Tacoma (SEA) 06:33 Boston Logan (BOS) A LATAM Airlines LA 7061 Non-stop Airbus A320 (320) 5:33 Effective 2026-10-08 through 2026-10-29 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Thu,Sat 22:25 Seattle-Tacoma (SEA) 06:50 Boston Logan (BOS) A LATAM Airlines LA 7094 Non-stop Airbus A320 (320) 5:25 Effective 2026-04-02 through 2026-04-11 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Mon,Wed,Fri,Sun 11:50 Seattle-Tacoma (SEA) 20:23 Boston Logan (BOS) A KLM KL 7098 Non-stop Airbus A321neo (32Q) 5:33 Effective from 2026-10-25 Codeshare flight, operated by Delta Air Lines.(DL 438)
Tue 22:20 Seattle-Tacoma (SEA) 06:50 Boston Logan (BOS) A LATAM Airlines LA 7126 Non-stop Airbus A320 (320) 5:30 Operates only on 2026-03-03 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Tue 22:25 Seattle-Tacoma (SEA) 06:49 Boston Logan (BOS) A LATAM Airlines LA 7126 Non-stop Airbus A320 (320) 5:24 Operates only on 2026-03-10 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Tue 22:25 Seattle-Tacoma (SEA) 06:50 Boston Logan (BOS) A LATAM Airlines LA 7126 Non-stop Airbus A320 (320) 5:25 Effective 2026-03-17 through 2026-03-24 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Wed,Sun 22:00 Seattle-Tacoma (SEA) 06:35 Boston Logan (BOS) A LATAM Airlines LA 7134 Non-stop Airbus A320 (320) 5:35 Effective 2026-09-13 through 2026-10-04 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Wed,Sun 22:00 Seattle-Tacoma (SEA) 06:33 Boston Logan (BOS) A LATAM Airlines LA 7134 Non-stop Airbus A320 (320) 5:33 Effective 2026-10-07 through 2026-10-21 Codeshare flight, operated by Delta Air Lines.(DL 473) The flight arrives 1 day after departure.
Wed 22:00 Seattle-Tacoma (SEA) 06:33 Boston Logan (BOS) A LATAM Airlines LA 7134 Non-stop Airbus A320 (320) 5:33 Operates only on 2026-10-28 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 American Airlines AA 7432 Non-stop Boeing 737 (737) 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 American Airlines AA 7432 Non-stop Boeing 737 (737) 5:19 Effective 2026-03-19 through 2026-05-12 Codeshare flight, operated by Alaska Airlines.(AS 460)
Daily 15:40 Seattle-Tacoma (SEA) 23:54 Boston Logan (BOS) B American Airlines AA 7432 Non-stop Boeing 737 (737) 5:14 Effective 2026-01-07 through 2026-02-11 Codeshare flight, operated by Alaska Airlines.(AS 460)
Daily 15:40 Seattle-Tacoma (SEA) 00:06 Boston Logan (BOS) B American Airlines AA 7432 Non-stop Boeing 737 (737) 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.
Daily 15:42 Seattle-Tacoma (SEA) 23:59 Boston Logan (BOS) B American Airlines AA 7432 Non-stop Boeing 737 (737) 5:17 Effective 2026-02-12 through 2026-03-17 Codeshare flight, operated by Alaska Airlines.(AS 460)
Daily 15:43 Seattle-Tacoma (SEA) 00:05 Boston Logan (BOS) B American Airlines AA 7432 Non-stop Boeing 737 (737) 5:22 Effective from 2026-06-10 Codeshare flight, operated by Alaska Airlines.(AS 460) The flight arrives 1 day after departure.
Daily 15:59 Seattle-Tacoma (SEA) 00:23 Boston Logan (BOS) B American Airlines AA 7432 Non-stop Boeing 737 (737) 5:24 Valid until 2026-01-05 Codeshare flight, operated by Alaska Airlines.(AS 460) The flight arrives 1 day after departure.
Daily 08:13 Seattle-Tacoma (SEA) 16:45 Boston Logan (BOS) B American Airlines AA 7471 Non-stop Boeing 737 (737) 5:32 Effective 2026-05-13 through 2026-06-09 Codeshare flight, operated by Alaska Airlines.(AS 306)
Mon,Tue,Thu-Sun 08:15 Seattle-Tacoma (SEA) 16:36 Boston Logan (BOS) B American Airlines AA 7471 Non-stop Boeing 737 (737) 5:21 Effective 2026-02-12 through 2026-03-10 Codeshare flight, operated by Alaska Airlines.(AS 306)
Wed 08:15 Seattle-Tacoma (SEA) 16:36 Boston Logan (BOS) B American Airlines AA 7471 Non-stop Boeing 737 MAX 8 (7M8) 5:21 Effective 2026-02-18 through 2026-03-04 Codeshare flight, operated by Alaska Airlines.(AS 306)
Mon-Thu,Sat,Sun 08:15 Seattle-Tacoma (SEA) 16:36 Boston Logan (BOS) B American Airlines AA 7471 Non-stop Boeing 737 (737) 5:21 Effective 2026-03-11 through 2026-03-17 Codeshare flight, operated by Alaska Airlines.(AS 306)
Fri 08:15 Seattle-Tacoma (SEA) 16:36 Boston Logan (BOS) B American Airlines AA 7471 Non-stop Boeing 737 MAX 8 (7M8) 5:21 Operates only on 2026-03-13 Codeshare flight, operated by Alaska Airlines.(AS 306)

1 2 3 ... 6 7 8 9 10

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.

Return (BOS-SEA) flights

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

FLIGHT SCHEDULE

Direct Codeshare Flights:

Hawaiian Airlines HA6627

15:40

Seattle-Tacoma (SEA)

23:54

Boston Logan (BOS) B

Effective 2026-01-07 through 2026-01-13

Mon

Tue

Wed

Thu

Fri
-

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 460)

Duration: 5:14, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Hawaiian Airlines HA6627

15:40

Seattle-Tacoma (SEA)

23:54

Boston Logan (BOS) B

Effective 2026-01-09 through 2026-01-15

Mon
-

Tue
-

Wed

Thu

Fri

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 460)

Duration: 5:14, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Hawaiian Airlines HA6627

15:40

Seattle-Tacoma (SEA)

23:54

Boston Logan (BOS) B

Effective 2026-01-16 through 2026-01-27

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 460)

Duration: 5:14, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Hawaiian Airlines HA6627

15:40

Seattle-Tacoma (SEA)

23:54

Boston Logan (BOS) B

Effective 2026-01-21 through 2026-01-28

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 460)

Duration: 5:14, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Hawaiian Airlines HA6627

15:40

Seattle-Tacoma (SEA)

23:54

Boston Logan (BOS) B

Effective 2026-01-29 through 2026-02-05

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 460)

Duration: 5:14, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Hawaiian Airlines HA6627

15:40

Seattle-Tacoma (SEA)

23:54

Boston Logan (BOS) B

Effective 2026-01-30 through 2026-02-10

Mon

Tue

Wed
-

Thu
-

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 460)

Duration: 5:14, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Hawaiian Airlines HA6627

15:40

Seattle-Tacoma (SEA)

23:54

Boston Logan (BOS) B

Operates only on 2026-02-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 460)

Duration: 5:14, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Hawaiian Airlines HA6627

15:42

Seattle-Tacoma (SEA)

23:59

Boston Logan (BOS) B

Effective 2026-02-12 through 2026-02-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 460)

Duration: 5:17, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Hawaiian Airlines HA6627

15:42

Seattle-Tacoma (SEA)

23:59

Boston Logan (BOS) B

Effective 2026-02-15 through 2026-02-22

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 460)

Duration: 5:17, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Hawaiian Airlines HA6627

15:42

Seattle-Tacoma (SEA)

23:59

Boston Logan (BOS) B

Effective 2026-02-20 through 2026-03-03

Mon

Tue

Wed
-

Thu
-

Fri

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 460)

Duration: 5:17, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Hawaiian Airlines HA6627

15:42

Seattle-Tacoma (SEA)

23:59

Boston Logan (BOS) B

Effective 2026-02-25 through 2026-03-05

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 460)

Duration: 5:17, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Hawaiian Airlines HA6627

15:42

Seattle-Tacoma (SEA)

23:59

Boston Logan (BOS) B

Effective 2026-03-06 through 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 460)

Duration: 5:17, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Hawaiian Airlines HA6627

15:42

Seattle-Tacoma (SEA)

23:59

Boston Logan (BOS) B

Effective 2026-03-08 through 2026-03-13

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 460)

Duration: 5:17, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Hawaiian Airlines HA6627

15:42

Seattle-Tacoma (SEA)

23:59

Boston Logan (BOS) B

Effective 2026-03-11 through 2026-03-17

Mon
-

Tue

Wed

Thu

Fri
-

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 460)

Duration: 5:17, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Hawaiian Airlines HA6627

15:42

Seattle-Tacoma (SEA)

23:59

Boston Logan (BOS) B

Operates only on 2026-03-16

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 460)

Duration: 5:17, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Hawaiian Airlines HA6627

15:59

Seattle-Tacoma (SEA)

00:23(+1)

Boston Logan (BOS) B

Valid until 2026-01-04

Mon

Tue

Wed

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 460)

Duration: 5:24, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Hawaiian Airlines HA6627

15:59

Seattle-Tacoma (SEA)

00:23(+1)

Boston Logan (BOS) B

Valid until 2026-01-05

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 460)

Duration: 5:24, non-stop
Boeing 737 (737)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Hawaiian Airlines HA6627

15:59

Seattle-Tacoma (SEA)

00:23(+1)

Boston Logan (BOS) B

Operates only on 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 456)

Duration: 5:24, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA6753

23:00

Seattle-Tacoma (SEA)

07:29(+1)

Boston Logan (BOS) A

Valid until 2026-01-04

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:29, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Hawaiian Airlines HA6753

23:25

Seattle-Tacoma (SEA)

07:48(+1)

Boston Logan (BOS) B

Valid until 2026-01-05

Mon

Tue

Wed
-

Thu

Fri

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 214)

Duration: 5:23, non-stop
Boeing 737 (737)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Hawaiian Airlines HA6753

23:25

Seattle-Tacoma (SEA)

07:48(+1)

Boston Logan (BOS) B

Valid until 2026-01-03

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 214)

Duration: 5:23, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Hawaiian Airlines HA6753

23:25

Seattle-Tacoma (SEA)

07:48(+1)

Boston Logan (BOS) B

Operates only on 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 214)

Duration: 5:23, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7000

22:00

Seattle-Tacoma (SEA)

06:35(+1)

Boston Logan (BOS) A

Effective 2026-05-24 through 2026-05-27

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:35, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7000

22:00

Seattle-Tacoma (SEA)

06:35(+1)

Boston Logan (BOS) A

Effective 2026-06-03 through 2026-09-09

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:35, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7005

22:00

Seattle-Tacoma (SEA)

06:33(+1)

Boston Logan (BOS) A

Operates only on 2026-10-26

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:33, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7019

22:00

Seattle-Tacoma (SEA)

06:35(+1)

Boston Logan (BOS) A

Effective 2026-05-31 through 2026-06-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:35, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7019

22:00

Seattle-Tacoma (SEA)

06:35(+1)

Boston Logan (BOS) A

Operates only on 2026-09-06

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:35, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7061

22:00

Seattle-Tacoma (SEA)

06:35(+1)

Boston Logan (BOS) A

Effective 2026-08-20 through 2026-09-10

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:35, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7061

22:00

Seattle-Tacoma (SEA)

06:35(+1)

Boston Logan (BOS) A

Effective 2026-09-12 through 2026-10-03

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:35, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7061

22:00

Seattle-Tacoma (SEA)

06:33(+1)

Boston Logan (BOS) A

Effective 2026-10-08 through 2026-10-29

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:33, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7094

22:25

Seattle-Tacoma (SEA)

06:50(+1)

Boston Logan (BOS) A

Effective 2026-04-02 through 2026-04-11

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:25, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

KLM KL7098

11:50

Seattle-Tacoma (SEA)

20:23

Boston Logan (BOS) A

Effective from 2026-10-25

Mon

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 438)

Duration: 5:33, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

LATAM Airlines LA7126

22:20

Seattle-Tacoma (SEA)

06:50(+1)

Boston Logan (BOS) A

Operates only on 2026-03-03

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:30, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7126

22:25

Seattle-Tacoma (SEA)

06:49(+1)

Boston Logan (BOS) A

Operates only on 2026-03-10

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:24, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7126

22:25

Seattle-Tacoma (SEA)

06:50(+1)

Boston Logan (BOS) A

Effective 2026-03-17 through 2026-03-24

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:25, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7134

22:00

Seattle-Tacoma (SEA)

06:35(+1)

Boston Logan (BOS) A

Effective 2026-09-13 through 2026-10-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:35, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7134

22:00

Seattle-Tacoma (SEA)

06:33(+1)

Boston Logan (BOS) A

Effective 2026-10-07 through 2026-10-21

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:33, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

LATAM Airlines LA7134

22:00

Seattle-Tacoma (SEA)

06:33(+1)

Boston Logan (BOS) A

Operates only on 2026-10-28

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 473)

Duration: 5:33, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

American Airlines AA7432

15:35

Seattle-Tacoma (SEA)

23:59

Boston Logan (BOS) B

Operates only on 2026-03-18

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 460)

Duration: 5:24, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

American Airlines AA7432

15:35

Seattle-Tacoma (SEA)

23:54

Boston Logan (BOS) B

Effective 2026-03-19 through 2026-05-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 460)

Duration: 5:19, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

American Airlines AA7432

15:40

Seattle-Tacoma (SEA)

23:54

Boston Logan (BOS) B

Effective 2026-01-07 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 460)

Duration: 5:14, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

American Airlines AA7432

15:40

Seattle-Tacoma (SEA)

00:06(+1)

Boston Logan (BOS) B

Effective 2026-05-13 through 2026-06-09

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 460)

Duration: 5:26, non-stop
Boeing 737 (737)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

American Airlines AA7432

15:42

Seattle-Tacoma (SEA)

23:59

Boston Logan (BOS) B

Effective 2026-02-12 through 2026-03-17

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 460)

Duration: 5:17, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

American Airlines AA7432

15:43

Seattle-Tacoma (SEA)

00:05(+1)

Boston Logan (BOS) B

Effective from 2026-06-10

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 460)

Duration: 5:22, non-stop
Boeing 737 (737)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

American Airlines AA7432

15:59

Seattle-Tacoma (SEA)

00:23(+1)

Boston Logan (BOS) B

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 460)

Duration: 5:24, non-stop
Boeing 737 (737)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

American Airlines AA7471

08:13

Seattle-Tacoma (SEA)

16:45

Boston Logan (BOS) B

Effective 2026-05-13 through 2026-06-09

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 306)

Duration: 5:32, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

American Airlines AA7471

08:15

Seattle-Tacoma (SEA)

16:36

Boston Logan (BOS) B

Effective 2026-02-12 through 2026-03-10

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 306)

Duration: 5:21, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

American Airlines AA7471

08:15

Seattle-Tacoma (SEA)

16:36

Boston Logan (BOS) B

Effective 2026-02-18 through 2026-03-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 306)

Duration: 5:21, non-stop
Boeing 737 MAX 8 (7M8)

Direct Codeshare Flights:

American Airlines AA7471

08:15

Seattle-Tacoma (SEA)

16:36

Boston Logan (BOS) B

Effective 2026-03-11 through 2026-03-17

Mon

Tue

Wed

Thu

Fri
-

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 306)

Duration: 5:21, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

American Airlines AA7471

08:15

Seattle-Tacoma (SEA)

16:36

Boston Logan (BOS) B

Operates only on 2026-03-13

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 306)

Duration: 5:21, non-stop
Boeing 737 MAX 8 (7M8)

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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 5:14 and 5:53.

Return (BOS-SEA) flights

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