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

FLIGHT SCHEDULE
Direct Flights:
Daily 06:00 Seattle-Tacoma (SEA) 14:25 Boston Logan (BOS) B Alaska Airlines AS 105 Non-stop Boeing 737 (73J) 5:25 Effective 2026-06-10 through 2026-08-18
Daily 22:10 Seattle-Tacoma (SEA) 06:30 Boston Logan (BOS) C JetBlue B6 198 Non-stop Airbus A321 (321) 5:20 Effective 2026-06-11 through 2026-09-08 The flight arrives 1 day after departure.
Mon,Thu,Fri 23:25 Seattle-Tacoma (SEA) 07:48 Boston Logan (BOS) B Alaska Airlines AS 214 Non-stop Boeing 737-800 (73H) 5:23 Valid until 2026-01-05 The flight arrives 1 day after departure.
Wed,Sat 23:25 Seattle-Tacoma (SEA) 07:48 Boston Logan (BOS) B Alaska Airlines AS 214 Non-stop Boeing 737 MAX 9 (7M9) 5:23 Valid until 2026-01-03 The flight arrives 1 day after departure.
Sun 23:25 Seattle-Tacoma (SEA) 07:48 Boston Logan (BOS) B Alaska Airlines AS 214 Non-stop Boeing 737 MAX 8 (7M8) 5:23 Operates only on 2026-01-04 The flight arrives 1 day after departure.
Daily 10:58 Seattle-Tacoma (SEA) 19:23 Boston Logan (BOS) B Alaska Airlines AS 217 Non-stop Boeing 737 (73J) 5:25 Effective from 2026-06-10
Mon,Wed 07:55 Seattle-Tacoma (SEA) 16:20 Boston Logan (BOS) B Alaska Airlines AS 306 Non-stop Boeing 737 (73J) 5:25 Effective 2026-01-07 through 2026-01-12
Tue-Sun 07:55 Seattle-Tacoma (SEA) 16:20 Boston Logan (BOS) B Alaska Airlines AS 306 Non-stop Boeing 737 MAX 9 (7M9) 5:25 Effective 2026-01-08 through 2026-01-15
Fri 07:55 Seattle-Tacoma (SEA) 16:20 Boston Logan (BOS) B Alaska Airlines AS 306 Non-stop Boeing 737 (73J) 5:25 Operates only on 2026-01-16
Daily 07:55 Seattle-Tacoma (SEA) 16:20 Boston Logan (BOS) B Alaska Airlines AS 306 Non-stop Boeing 737 MAX 9 (7M9) 5:25 Effective 2026-01-17 through 2026-01-23
Sat,Sun 07:55 Seattle-Tacoma (SEA) 16:20 Boston Logan (BOS) B Alaska Airlines AS 306 Non-stop Boeing 737 (73J) 5:25 Effective 2026-01-24 through 2026-01-25
Daily 07:55 Seattle-Tacoma (SEA) 16:20 Boston Logan (BOS) B Alaska Airlines AS 306 Non-stop Boeing 737 MAX 9 (7M9) 5:25 Effective 2026-01-26 through 2026-02-09
Tue 07:55 Seattle-Tacoma (SEA) 16:20 Boston Logan (BOS) B Alaska Airlines AS 306 Non-stop Boeing 737 (73J) 5:25 Operates only on 2026-02-10
Wed 07:55 Seattle-Tacoma (SEA) 16:20 Boston Logan (BOS) B Alaska Airlines AS 306 Non-stop Boeing 737-800 (73H) 5:25 Operates only on 2026-02-11
Daily 08:13 Seattle-Tacoma (SEA) 16:45 Boston Logan (BOS) B Alaska Airlines AS 306 Non-stop Boeing 737 (73J) 5:32 Effective 2026-05-13 through 2026-06-09
Mon,Tue,Thu,Sun 08:15 Seattle-Tacoma (SEA) 16:36 Boston Logan (BOS) B Alaska Airlines AS 306 Non-stop Boeing 737 MAX 9 (7M9) 5:21 Effective 2026-02-12 through 2026-02-26
Fri 08:15 Seattle-Tacoma (SEA) 16:36 Boston Logan (BOS) B Alaska Airlines AS 306 Non-stop Boeing 737 (73J) 5:21 Effective 2026-02-13 through 2026-03-06
Sat 08:15 Seattle-Tacoma (SEA) 16:36 Boston Logan (BOS) B Alaska Airlines AS 306 Non-stop Boeing 737 (73J) 5:21 Effective 2026-02-14 through 2026-02-21
Wed 08:15 Seattle-Tacoma (SEA) 16:36 Boston Logan (BOS) B Alaska Airlines AS 306 Non-stop Boeing 737 MAX 8 (7M8) 5:21 Effective 2026-02-18 through 2026-03-04
Mon,Tue,Thu,Sat,Sun 08:15 Seattle-Tacoma (SEA) 16:36 Boston Logan (BOS) B Alaska Airlines AS 306 Non-stop Boeing 737 MAX 9 (7M9) 5:21 Effective 2026-02-28 through 2026-03-10
Tue,Wed,Sat,Sun 08:15 Seattle-Tacoma (SEA) 16:36 Boston Logan (BOS) B Alaska Airlines AS 306 Non-stop Boeing 737 MAX 9 (7M9) 5:21 Effective 2026-03-11 through 2026-03-17
Mon,Thu 08:15 Seattle-Tacoma (SEA) 16:36 Boston Logan (BOS) B Alaska Airlines AS 306 Non-stop Boeing 737 (73J) 5:21 Effective 2026-03-12 through 2026-03-16
Fri 08:15 Seattle-Tacoma (SEA) 16:36 Boston Logan (BOS) B Alaska Airlines AS 306 Non-stop Boeing 737 MAX 8 (7M8) 5:21 Operates only on 2026-03-13
Wed 08:20 Seattle-Tacoma (SEA) 16:46 Boston Logan (BOS) B Alaska Airlines AS 306 Non-stop Boeing 737 (73J) 5:26 Operates only on 2026-03-18
Daily 08:20 Seattle-Tacoma (SEA) 16:58 Boston Logan (BOS) B Alaska Airlines AS 306 Non-stop Boeing 737 (73J) 5:38 Effective 2026-03-19 through 2026-05-12
Daily 08:21 Seattle-Tacoma (SEA) 16:46 Boston Logan (BOS) B Alaska Airlines AS 306 Non-stop Boeing 737 (73J) 5:25 Effective from 2026-06-10
Thu-Sat 08:38 Seattle-Tacoma (SEA) 17:06 Boston Logan (BOS) B Alaska Airlines AS 306 Non-stop Boeing 737 MAX 9 (7M9) 5:28 Valid until 2026-01-03
Tue,Sun 08:38 Seattle-Tacoma (SEA) 17:06 Boston Logan (BOS) B Alaska Airlines AS 306 Non-stop Boeing 737-800 (73H) 5:28 Effective 2026-01-04 through 2026-01-06
Mon 08:38 Seattle-Tacoma (SEA) 17:06 Boston Logan (BOS) B Alaska Airlines AS 306 Non-stop Boeing 737 MAX 8 (7M8) 5:28 Operates only on 2026-01-05
Daily 11:30 Seattle-Tacoma (SEA) 20:05 Boston Logan (BOS) C JetBlue B6 398 Non-stop Airbus A321 (321) 5:35 Effective 2026-04-30 through 2026-09-08
Daily 11:30 Seattle-Tacoma (SEA) 20:23 Boston Logan (BOS) C JetBlue B6 398 Non-stop Airbus A321 (321) 5:53 Effective 2026-09-09 through 2026-10-24
Daily 11:50 Seattle-Tacoma (SEA) 20:30 Boston Logan (BOS) A Delta Air Lines DL 412 Non-stop Airbus A321neo (32Q) 5:40 Effective 2026-05-07 through 2026-06-06
Daily 11:50 Seattle-Tacoma (SEA) 20:30 Boston Logan (BOS) A Delta Air Lines DL 438 Non-stop Airbus A321neo (32Q) 5:40 Effective 2026-06-07 through 2026-10-05
Daily 11:50 Seattle-Tacoma (SEA) 20:23 Boston Logan (BOS) A Delta Air Lines DL 438 Non-stop Airbus A321neo (32Q) 5:33 Effective from 2026-10-06
Tue 15:59 Seattle-Tacoma (SEA) 00:23 Boston Logan (BOS) B Alaska Airlines AS 456 Non-stop Boeing 737 MAX 9 (7M9) 5:24 Operates only on 2026-01-06 The flight arrives 1 day after departure.
Daily 07:20 Seattle-Tacoma (SEA) 15:42 Boston Logan (BOS) A Delta Air Lines DL 459 Non-stop Airbus A321neo (32Q) 5:22 Effective 2026-03-08 through 2026-03-14
Daily 07:20 Seattle-Tacoma (SEA) 15:43 Boston Logan (BOS) A Delta Air Lines DL 459 Non-stop Airbus A321neo (32Q) 5:23 Effective 2026-03-15 through 2026-04-12
Daily 07:20 Seattle-Tacoma (SEA) 16:00 Boston Logan (BOS) A Delta Air Lines DL 459 Non-stop Airbus A321neo (32Q) 5:40 Effective 2026-04-13 through 2026-10-05
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 from 2026-10-06
Daily 07:30 Seattle-Tacoma (SEA) 15:59 Boston Logan (BOS) A Delta Air Lines DL 459 Non-stop Airbus A321neo (32Q) 5:29 Effective 2026-02-12 through 2026-03-07
Wed,Thu 07:35 Seattle-Tacoma (SEA) 16:03 Boston Logan (BOS) A Delta Air Lines DL 459 Non-stop Airbus A321neo (32Q) 5:28 Valid until 2026-01-01
Mon,Tue,Fri-Sun 07:40 Seattle-Tacoma (SEA) 16:08 Boston Logan (BOS) A Delta Air Lines DL 459 Non-stop Airbus A321neo (32Q) 5:28 Valid until 2026-01-04
Daily 07:40 Seattle-Tacoma (SEA) 16:09 Boston Logan (BOS) A Delta Air Lines DL 459 Non-stop Airbus A321neo (32Q) 5:29 Effective 2026-01-05 through 2026-02-11
Wed 15:35 Seattle-Tacoma (SEA) 23:59 Boston Logan (BOS) B Alaska Airlines AS 460 Non-stop Boeing 737 (73J) 5:24 Operates only on 2026-03-18
Daily 15:35 Seattle-Tacoma (SEA) 23:54 Boston Logan (BOS) B Alaska Airlines AS 460 Non-stop Boeing 737 (73J) 5:19 Effective 2026-03-19 through 2026-05-12
Mon-Thu,Sat,Sun 15:40 Seattle-Tacoma (SEA) 23:54 Boston Logan (BOS) B Alaska Airlines AS 460 Non-stop Boeing 737 MAX 9 (7M9) 5:14 Effective 2026-01-07 through 2026-01-13
Wed-Fri 15:40 Seattle-Tacoma (SEA) 23:54 Boston Logan (BOS) B Alaska Airlines AS 460 Non-stop Boeing 737 (73J) 5:14 Effective 2026-01-09 through 2026-01-15
Mon,Tue,Thu-Sun 15:40 Seattle-Tacoma (SEA) 23:54 Boston Logan (BOS) B Alaska Airlines AS 460 Non-stop Boeing 737 MAX 9 (7M9) 5:14 Effective 2026-01-16 through 2026-01-27
Wed 15:40 Seattle-Tacoma (SEA) 23:54 Boston Logan (BOS) B Alaska Airlines AS 460 Non-stop Boeing 737 (73J) 5:14 Effective 2026-01-21 through 2026-02-04
Thu 15:40 Seattle-Tacoma (SEA) 23:54 Boston Logan (BOS) B Alaska Airlines AS 460 Non-stop Boeing 737-800 (73H) 5:14 Operates only on 2026-01-29

1 2 3 4 ... 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 Flights:

Alaska Airlines AS105

06:00

Seattle-Tacoma (SEA)

14:25

Boston Logan (BOS) B

Effective 2026-06-10 through 2026-08-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:25, non-stop
Boeing 737 (73J)

Direct Flights:

JetBlue B6198

22:10

Seattle-Tacoma (SEA)

06:30(+1)

Boston Logan (BOS) C

Effective 2026-06-11 through 2026-09-08

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:20, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS214

23:25

Seattle-Tacoma (SEA)

07:48(+1)

Boston Logan (BOS) B

Valid until 2026-01-05

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 5:23, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS214

23:25

Seattle-Tacoma (SEA)

07:48(+1)

Boston Logan (BOS) B

Valid until 2026-01-03

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Alaska Airlines AS214

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

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

Direct Flights:

Alaska Airlines AS217

10:58

Seattle-Tacoma (SEA)

19:23

Boston Logan (BOS) B

Effective from 2026-06-10

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:25, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS306

07:55

Seattle-Tacoma (SEA)

16:20

Boston Logan (BOS) B

Effective 2026-01-07 through 2026-01-12

Mon

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:25, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS306

07:55

Seattle-Tacoma (SEA)

16:20

Boston Logan (BOS) B

Effective 2026-01-08 through 2026-01-15

Mon
-

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:25, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS306

07:55

Seattle-Tacoma (SEA)

16:20

Boston Logan (BOS) B

Operates only on 2026-01-16

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 5:25, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS306

07:55

Seattle-Tacoma (SEA)

16:20

Boston Logan (BOS) B

Effective 2026-01-17 through 2026-01-23

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:25, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS306

07:55

Seattle-Tacoma (SEA)

16:20

Boston Logan (BOS) B

Effective 2026-01-24 through 2026-01-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Duration: 5:25, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS306

07:55

Seattle-Tacoma (SEA)

16:20

Boston Logan (BOS) B

Effective 2026-01-26 through 2026-02-09

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:25, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS306

07:55

Seattle-Tacoma (SEA)

16:20

Boston Logan (BOS) B

Operates only on 2026-02-10

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:25, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS306

07:55

Seattle-Tacoma (SEA)

16:20

Boston Logan (BOS) B

Operates only on 2026-02-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:25, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS306

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

Duration: 5:32, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS306

08:15

Seattle-Tacoma (SEA)

16:36

Boston Logan (BOS) B

Effective 2026-02-12 through 2026-02-26

Mon

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 5:21, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS306

08:15

Seattle-Tacoma (SEA)

16:36

Boston Logan (BOS) B

Effective 2026-02-13 through 2026-03-06

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 5:21, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS306

08:15

Seattle-Tacoma (SEA)

16:36

Boston Logan (BOS) B

Effective 2026-02-14 through 2026-02-21

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:21, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS306

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
-

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

Direct Flights:

Alaska Airlines AS306

08:15

Seattle-Tacoma (SEA)

16:36

Boston Logan (BOS) B

Effective 2026-02-28 through 2026-03-10

Mon

Tue

Wed
-

Thu

Fri
-

Sat

Sun

Duration: 5:21, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS306

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

Duration: 5:21, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS306

08:15

Seattle-Tacoma (SEA)

16:36

Boston Logan (BOS) B

Effective 2026-03-12 through 2026-03-16

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 5:21, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS306

08:15

Seattle-Tacoma (SEA)

16:36

Boston Logan (BOS) B

Operates only on 2026-03-13

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

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

Direct Flights:

Alaska Airlines AS306

08:20

Seattle-Tacoma (SEA)

16:46

Boston Logan (BOS) B

Operates only on 2026-03-18

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:26, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS306

08:20

Seattle-Tacoma (SEA)

16:58

Boston Logan (BOS) B

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:38, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS306

08:21

Seattle-Tacoma (SEA)

16:46

Boston Logan (BOS) B

Effective from 2026-06-10

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:25, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS306

08:38

Seattle-Tacoma (SEA)

17:06

Boston Logan (BOS) B

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat

Sun
-

Duration: 5:28, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS306

08:38

Seattle-Tacoma (SEA)

17:06

Boston Logan (BOS) B

Effective 2026-01-04 through 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 5:28, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS306

08:38

Seattle-Tacoma (SEA)

17:06

Boston Logan (BOS) B

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:28, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

JetBlue B6398

11:30

Seattle-Tacoma (SEA)

20:05

Boston Logan (BOS) C

Effective 2026-04-30 through 2026-09-08

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:35, non-stop
Airbus A321 (321)

Direct Flights:

JetBlue B6398

11:30

Seattle-Tacoma (SEA)

20:23

Boston Logan (BOS) C

Effective 2026-09-09 through 2026-10-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:53, non-stop
Airbus A321 (321)

Direct Flights:

Delta Air Lines DL412

11:50

Seattle-Tacoma (SEA)

20:30

Boston Logan (BOS) A

Effective 2026-05-07 through 2026-06-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:40, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL438

11:50

Seattle-Tacoma (SEA)

20:30

Boston Logan (BOS) A

Effective 2026-06-07 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:40, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL438

11:50

Seattle-Tacoma (SEA)

20:23

Boston Logan (BOS) A

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Direct Flights:

Alaska Airlines AS456

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
-

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

Direct Flights:

Delta Air Lines DL459

07:20

Seattle-Tacoma (SEA)

15:42

Boston Logan (BOS) A

Effective 2026-03-08 through 2026-03-14

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:22, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL459

07:20

Seattle-Tacoma (SEA)

15:43

Boston Logan (BOS) A

Effective 2026-03-15 through 2026-04-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:23, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL459

07:20

Seattle-Tacoma (SEA)

16:00

Boston Logan (BOS) A

Effective 2026-04-13 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:40, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL459

07:20

Seattle-Tacoma (SEA)

15:54

Boston Logan (BOS) A

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:34, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL459

07:30

Seattle-Tacoma (SEA)

15:59

Boston Logan (BOS) A

Effective 2026-02-12 through 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:29, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL459

07:35

Seattle-Tacoma (SEA)

16:03

Boston Logan (BOS) A

Valid until 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 5:28, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL459

07:40

Seattle-Tacoma (SEA)

16:08

Boston Logan (BOS) A

Valid until 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat

Sun

Duration: 5:28, non-stop
Airbus A321neo (32Q)

Direct Flights:

Delta Air Lines DL459

07:40

Seattle-Tacoma (SEA)

16:09

Boston Logan (BOS) A

Effective 2026-01-05 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:29, non-stop
Airbus A321neo (32Q)

Direct Flights:

Alaska Airlines AS460

15:35

Seattle-Tacoma (SEA)

23:59

Boston Logan (BOS) B

Operates only on 2026-03-18

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:24, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS460

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

Duration: 5:19, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS460

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

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

Direct Flights:

Alaska Airlines AS460

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
-

Duration: 5:14, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS460

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

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

Direct Flights:

Alaska Airlines AS460

15:40

Seattle-Tacoma (SEA)

23:54

Boston Logan (BOS) B

Effective 2026-01-21 through 2026-02-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:14, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS460

15:40

Seattle-Tacoma (SEA)

23:54

Boston Logan (BOS) B

Operates only on 2026-01-29

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 5:14, non-stop
Boeing 737-800 (73H)

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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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