All airlines flying from Seattle-Tacoma (SEA) to Baltimore (BWI).

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FLIGHT SCHEDULE
Direct Flights:
Mon,Tue,Thu-Sun 21:39 Seattle-Tacoma (SEA) 05:44 Baltimore (BWI) Alaska Airlines AS 344 Non-stop Boeing 737 (73J) 5:05 Valid until 2026-01-05 The flight arrives 1 day after departure.
Daily 22:20 Seattle-Tacoma (SEA) 06:21 Baltimore (BWI) Alaska Airlines AS 344 Non-stop Boeing 737 (73J) 5:01 Effective from 2026-06-10 The flight arrives 1 day after departure.
Daily 22:27 Seattle-Tacoma (SEA) 06:29 Baltimore (BWI) Alaska Airlines AS 344 Non-stop Boeing 737 (73J) 5:02 Effective 2026-05-13 through 2026-06-09 The flight arrives 1 day after departure.
Sun 09:31 Seattle-Tacoma (SEA) 17:37 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 (73J) 5:06 Operates only on 2026-01-04
Thu-Sun 09:46 Seattle-Tacoma (SEA) 17:46 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 (73J) 5:00 Effective 2026-02-12 through 2026-02-20
Mon-Wed,Sat 09:46 Seattle-Tacoma (SEA) 17:46 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Effective 2026-02-16 through 2026-02-28
Thu,Fri,Sun 09:46 Seattle-Tacoma (SEA) 17:46 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 (73J) 5:00 Effective 2026-02-22 through 2026-02-27
Sun 09:46 Seattle-Tacoma (SEA) 17:46 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737-800 (73H) 5:00 Operates only on 2026-03-01
Mon,Fri,Sat 09:46 Seattle-Tacoma (SEA) 17:46 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 (73J) 5:00 Effective 2026-03-02 through 2026-03-07
Mon-Thu,Sun 09:46 Seattle-Tacoma (SEA) 17:46 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Effective 2026-03-03 through 2026-03-11
Tue,Thu 09:46 Seattle-Tacoma (SEA) 17:46 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 (73J) 5:00 Effective 2026-03-12 through 2026-03-17
Mon,Fri,Sat 09:46 Seattle-Tacoma (SEA) 17:46 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Effective 2026-03-13 through 2026-03-16
Sun 09:46 Seattle-Tacoma (SEA) 17:46 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737-800 (73H) 5:00 Operates only on 2026-03-15
Mon,Fri,Sat 09:54 Seattle-Tacoma (SEA) 18:00 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 (73J) 5:06 Valid until 2026-01-03
Mon-Thu 09:54 Seattle-Tacoma (SEA) 18:00 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 MAX 9 (7M9) 5:06 Valid until 2026-01-06
Wed 09:55 Seattle-Tacoma (SEA) 17:55 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 (73J) 5:00 Operates only on 2026-03-18
Daily 09:55 Seattle-Tacoma (SEA) 18:02 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 (73J) 5:07 Effective 2026-03-19 through 2026-04-21
Tue,Wed,Fri,Sat 10:11 Seattle-Tacoma (SEA) 18:14 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 MAX 9 (7M9) 5:03 Effective 2026-01-07 through 2026-01-14
Mon,Thu,Sun 10:11 Seattle-Tacoma (SEA) 18:14 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 (73J) 5:03 Effective 2026-01-08 through 2026-01-15
Mon,Tue,Thu,Fri,Sun 10:11 Seattle-Tacoma (SEA) 18:14 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 (73J) 5:03 Effective 2026-01-16 through 2026-01-26
Sat 10:11 Seattle-Tacoma (SEA) 18:14 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737-800 (73H) 5:03 Operates only on 2026-01-17
Tue,Wed,Sat 10:11 Seattle-Tacoma (SEA) 18:14 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 MAX 9 (7M9) 5:03 Effective 2026-01-21 through 2026-01-31
Mon,Tue,Thu,Fri,Sun 10:11 Seattle-Tacoma (SEA) 18:14 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 (73J) 5:03 Effective 2026-01-29 through 2026-02-05
Tue,Wed,Sat 10:11 Seattle-Tacoma (SEA) 18:14 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 MAX 9 (7M9) 5:03 Effective 2026-02-04 through 2026-02-11
Fri 10:11 Seattle-Tacoma (SEA) 18:14 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737-800 (73H) 5:03 Operates only on 2026-02-06
Mon,Sun 10:11 Seattle-Tacoma (SEA) 18:14 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 (73J) 5:03 Effective 2026-02-08 through 2026-02-09
Daily 09:55 Seattle-Tacoma (SEA) 18:02 Baltimore (BWI) Alaska Airlines AS 379 Non-stop Boeing 737 (73J) 5:07 Effective 2026-04-22 through 2026-05-12
Daily 09:56 Seattle-Tacoma (SEA) 18:05 Baltimore (BWI) Alaska Airlines AS 379 Non-stop Boeing 737 (73J) 5:09 Effective 2026-05-13 through 2026-06-09
Daily 10:03 Seattle-Tacoma (SEA) 18:06 Baltimore (BWI) Alaska Airlines AS 379 Non-stop Boeing 737 (73J) 5:03 Effective from 2026-06-10
Tue,Wed 21:25 Seattle-Tacoma (SEA) 05:20 Baltimore (BWI) Southwest Airlines WN 540 Non-stop Boeing 737-800 (73H) 4:55 Effective 2026-06-09 through 2026-07-29 The flight arrives 1 day after departure.
Daily 21:15 Seattle-Tacoma (SEA) 05:22 Baltimore (BWI) Alaska Airlines AS 763 Non-stop Boeing 737 (73J) 5:07 Effective 2026-04-22 through 2026-05-12 The flight arrives 1 day after departure.
Daily 22:30 Seattle-Tacoma (SEA) 06:30 Baltimore (BWI) Southwest Airlines WN 3525 Non-stop Boeing 737-800 (73H) 5:00 Effective 2026-08-04 through 2026-09-30 The flight arrives 1 day after departure.
Mon,Thu-Sun 21:25 Seattle-Tacoma (SEA) 05:20 Baltimore (BWI) Southwest Airlines WN 3613 Non-stop Boeing 737-800 (73H) 4:55 Effective 2026-06-04 through 2026-08-03 The flight arrives 1 day after departure.
Non-Direct Flights:
Mon,Thu,Fri 17:20 Seattle-Tacoma (SEA) 07:27 Baltimore (BWI) United Airlines UA 1424 1-stop Airbus A319 (319) 11:07 Effective 2026-02-12 through 2026-03-02 The flight arrives 1 day after departure.
Sat 17:20 Seattle-Tacoma (SEA) 07:27 Baltimore (BWI) United Airlines UA 1424 1-stop Airbus A320 (320) 11:07 Effective 2026-02-14 through 2026-02-28 The flight arrives 1 day after departure.
Sun 17:20 Seattle-Tacoma (SEA) 07:27 Baltimore (BWI) United Airlines UA 1424 1-stop Boeing 737-800 (738) 11:07 Effective 2026-02-15 through 2026-03-01 The flight arrives 1 day after departure.
Fri,Sun 06:45 Seattle-Tacoma (SEA) 16:05 Baltimore (BWI) Southwest Airlines WN 2120 1-stop Boeing 737-700 (Scimitar Winglets) 6:20 Effective 2026-01-02 through 2026-01-04
Mon,Thu,Fri 05:15 Seattle-Tacoma (SEA) 16:00 Baltimore (BWI) Southwest Airlines WN 4010 1-stop Boeing 737 MAX 8 (7M8) 7:45 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 05:15 Seattle-Tacoma (SEA) 16:00 Baltimore (BWI) Southwest Airlines WN 4010 1-stop Boeing 737 MAX 8 (7M8) 7:45 Effective 2026-02-20 through 2026-03-01
Sat 11:45 Seattle-Tacoma (SEA) 22:25 Baltimore (BWI) Southwest Airlines WN 4052 1-stop Boeing 737-800 (73H) 7:40 Effective 2026-02-14 through 2026-02-28
Mon 07:10 Seattle-Tacoma (SEA) 21:35 Baltimore (BWI) Southwest Airlines WN 1926 3-stop Boeing 737-700 (Scimitar Winglets) 11:25 Operates only on 2026-01-05
Mon,Thu,Fri 06:30 Seattle-Tacoma (SEA) 23:20 Baltimore (BWI) Southwest Airlines WN 1821 4-stop Boeing 737-700 (Scimitar Winglets) 13:50 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 06:30 Seattle-Tacoma (SEA) 23:20 Baltimore (BWI) Southwest Airlines WN 1821 4-stop Boeing 737-700 (Scimitar Winglets) 13:50 Effective 2026-02-20 through 2026-03-01
Direct Codeshare Flights:
Daily 21:15 Seattle-Tacoma (SEA) 05:22 Baltimore (BWI) Air Tahiti Nui TN 2464 Non-stop Boeing 737 (73J) 5:07 Effective 2026-04-22 through 2026-05-12 Codeshare flight, operated by Alaska Airlines.(AS 763) The flight arrives 1 day after departure.
Sun 09:31 Seattle-Tacoma (SEA) 17:37 Baltimore (BWI) Air Tahiti Nui TN 2557 Non-stop Boeing 737 (73J) 5:06 Operates only on 2026-01-04 Codeshare flight, operated by Alaska Airlines.(AS 378)
Thu-Sun 09:46 Seattle-Tacoma (SEA) 17:46 Baltimore (BWI) Air Tahiti Nui TN 2557 Non-stop Boeing 737 (73J) 5:00 Effective 2026-02-12 through 2026-02-20 Codeshare flight, operated by Alaska Airlines.(AS 378)
Mon-Wed,Sat 09:46 Seattle-Tacoma (SEA) 17:46 Baltimore (BWI) Air Tahiti Nui TN 2557 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Effective 2026-02-16 through 2026-02-28 Codeshare flight, operated by Alaska Airlines.(AS 378)
Thu,Fri,Sun 09:46 Seattle-Tacoma (SEA) 17:46 Baltimore (BWI) Air Tahiti Nui TN 2557 Non-stop Boeing 737 (73J) 5:00 Effective 2026-02-22 through 2026-02-27 Codeshare flight, operated by Alaska Airlines.(AS 378)
Sun 09:46 Seattle-Tacoma (SEA) 17:46 Baltimore (BWI) Air Tahiti Nui TN 2557 Non-stop Boeing 737-800 (73H) 5:00 Operates only on 2026-03-01 Codeshare flight, operated by Alaska Airlines.(AS 378)
Mon,Fri,Sat 09:46 Seattle-Tacoma (SEA) 17:46 Baltimore (BWI) Air Tahiti Nui TN 2557 Non-stop Boeing 737 (73J) 5:00 Effective 2026-03-02 through 2026-03-07 Codeshare flight, operated by Alaska Airlines.(AS 378)

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Parallax here SEA-BWI

1 2

A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Baltimore airport (BWI).
The flight distance is 2327 miles, or 3746 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 4:55 and 5:09.

Return (BWI-SEA) flights

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All airlines flying from Seattle-Tacoma (SEA) to Baltimore (BWI).

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FLIGHT SCHEDULE

Direct Flights:

Alaska Airlines AS344

21:39

Seattle-Tacoma (SEA)

05:44(+1)

Baltimore (BWI)

Valid until 2026-01-05

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun

Duration: 5:05, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS344

22:20

Seattle-Tacoma (SEA)

06:21(+1)

Baltimore (BWI)

Effective from 2026-06-10

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:01, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS344

22:27

Seattle-Tacoma (SEA)

06:29(+1)

Baltimore (BWI)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:02, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS378

09:31

Seattle-Tacoma (SEA)

17:37

Baltimore (BWI)

Operates only on 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 5:06, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS378

09:46

Seattle-Tacoma (SEA)

17:46

Baltimore (BWI)

Effective 2026-02-12 through 2026-02-20

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 5:00, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS378

09:46

Seattle-Tacoma (SEA)

17:46

Baltimore (BWI)

Effective 2026-02-16 through 2026-02-28

Mon

Tue

Wed

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:00, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS378

09:46

Seattle-Tacoma (SEA)

17:46

Baltimore (BWI)

Effective 2026-02-22 through 2026-02-27

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 5:00, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS378

09:46

Seattle-Tacoma (SEA)

17:46

Baltimore (BWI)

Operates only on 2026-03-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 5:00, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS378

09:46

Seattle-Tacoma (SEA)

17:46

Baltimore (BWI)

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

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 5:00, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS378

09:46

Seattle-Tacoma (SEA)

17:46

Baltimore (BWI)

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

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun

Duration: 5:00, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS378

09:46

Seattle-Tacoma (SEA)

17:46

Baltimore (BWI)

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

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 5:00, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS378

09:46

Seattle-Tacoma (SEA)

17:46

Baltimore (BWI)

Effective 2026-03-13 through 2026-03-16

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 5:00, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS378

09:46

Seattle-Tacoma (SEA)

17:46

Baltimore (BWI)

Operates only on 2026-03-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 5:00, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS378

09:54

Seattle-Tacoma (SEA)

18:00

Baltimore (BWI)

Valid until 2026-01-03

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 5:06, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS378

09:54

Seattle-Tacoma (SEA)

18:00

Baltimore (BWI)

Valid until 2026-01-06

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 5:06, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS378

09:55

Seattle-Tacoma (SEA)

17:55

Baltimore (BWI)

Operates only on 2026-03-18

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:00, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS378

09:55

Seattle-Tacoma (SEA)

18:02

Baltimore (BWI)

Effective 2026-03-19 through 2026-04-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:07, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS378

10:11

Seattle-Tacoma (SEA)

18:14

Baltimore (BWI)

Effective 2026-01-07 through 2026-01-14

Mon
-

Tue

Wed

Thu
-

Fri

Sat

Sun
-

Duration: 5:03, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS378

10:11

Seattle-Tacoma (SEA)

18:14

Baltimore (BWI)

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

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 5:03, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS378

10:11

Seattle-Tacoma (SEA)

18:14

Baltimore (BWI)

Effective 2026-01-16 through 2026-01-26

Mon

Tue

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 5:03, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS378

10:11

Seattle-Tacoma (SEA)

18:14

Baltimore (BWI)

Operates only on 2026-01-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:03, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS378

10:11

Seattle-Tacoma (SEA)

18:14

Baltimore (BWI)

Effective 2026-01-21 through 2026-01-31

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:03, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS378

10:11

Seattle-Tacoma (SEA)

18:14

Baltimore (BWI)

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

Mon

Tue

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 5:03, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS378

10:11

Seattle-Tacoma (SEA)

18:14

Baltimore (BWI)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:03, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS378

10:11

Seattle-Tacoma (SEA)

18:14

Baltimore (BWI)

Operates only on 2026-02-06

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 5:03, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS378

10:11

Seattle-Tacoma (SEA)

18:14

Baltimore (BWI)

Effective 2026-02-08 through 2026-02-09

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 5:03, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS379

09:55

Seattle-Tacoma (SEA)

18:02

Baltimore (BWI)

Effective 2026-04-22 through 2026-05-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:07, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS379

09:56

Seattle-Tacoma (SEA)

18:05

Baltimore (BWI)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:09, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS379

10:03

Seattle-Tacoma (SEA)

18:06

Baltimore (BWI)

Effective from 2026-06-10

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:03, non-stop
Boeing 737 (73J)

Direct Flights:

Southwest Airlines WN540

21:25

Seattle-Tacoma (SEA)

05:20(+1)

Baltimore (BWI)

Effective 2026-06-09 through 2026-07-29

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:55, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS763

21:15

Seattle-Tacoma (SEA)

05:22(+1)

Baltimore (BWI)

Effective 2026-04-22 through 2026-05-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:07, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN3525

22:30

Seattle-Tacoma (SEA)

06:30(+1)

Baltimore (BWI)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:00, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN3613

21:25

Seattle-Tacoma (SEA)

05:20(+1)

Baltimore (BWI)

Effective 2026-06-04 through 2026-08-03

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 4:55, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Non-Direct Flights:

United Airlines UA1424

17:20

Seattle-Tacoma (SEA)

07:27(+1)

Baltimore (BWI)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 11:07, 1-stop
Airbus A319 (319)
The flight arrives 1 day after departure.

Non-Direct Flights:

United Airlines UA1424

17:20

Seattle-Tacoma (SEA)

07:27(+1)

Baltimore (BWI)

Effective 2026-02-14 through 2026-02-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 11:07, 1-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Non-Direct Flights:

United Airlines UA1424

17:20

Seattle-Tacoma (SEA)

07:27(+1)

Baltimore (BWI)

Effective 2026-02-15 through 2026-03-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 11:07, 1-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.

Non-Direct Flights:

Southwest Airlines WN2120

06:45

Seattle-Tacoma (SEA)

16:05

Baltimore (BWI)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 6:20, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN4010

05:15

Seattle-Tacoma (SEA)

16:00

Baltimore (BWI)

Effective 2026-02-12 through 2026-02-16

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 7:45, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN4010

05:15

Seattle-Tacoma (SEA)

16:00

Baltimore (BWI)

Effective 2026-02-20 through 2026-03-01

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 7:45, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN4052

11:45

Seattle-Tacoma (SEA)

22:25

Baltimore (BWI)

Effective 2026-02-14 through 2026-02-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 7:40, 1-stop
Boeing 737-800 (73H)

Non-Direct Flights:

Southwest Airlines WN1926

07:10

Seattle-Tacoma (SEA)

21:35

Baltimore (BWI)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 11:25, 3-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN1821

06:30

Seattle-Tacoma (SEA)

23:20

Baltimore (BWI)

Effective 2026-02-12 through 2026-02-16

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 13:50, 4-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN1821

06:30

Seattle-Tacoma (SEA)

23:20

Baltimore (BWI)

Effective 2026-02-20 through 2026-03-01

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 13:50, 4-stop
Boeing 737-700 (Scimitar Winglets)

Direct Codeshare Flights:

Air Tahiti Nui TN2464

21:15

Seattle-Tacoma (SEA)

05:22(+1)

Baltimore (BWI)

Effective 2026-04-22 through 2026-05-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 763)

Duration: 5:07, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Air Tahiti Nui TN2557

09:31

Seattle-Tacoma (SEA)

17:37

Baltimore (BWI)

Operates only on 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 378)

Duration: 5:06, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Air Tahiti Nui TN2557

09:46

Seattle-Tacoma (SEA)

17:46

Baltimore (BWI)

Effective 2026-02-12 through 2026-02-20

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 378)

Duration: 5:00, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Air Tahiti Nui TN2557

09:46

Seattle-Tacoma (SEA)

17:46

Baltimore (BWI)

Effective 2026-02-16 through 2026-02-28

Mon

Tue

Wed

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 378)

Duration: 5:00, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Air Tahiti Nui TN2557

09:46

Seattle-Tacoma (SEA)

17:46

Baltimore (BWI)

Effective 2026-02-22 through 2026-02-27

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 378)

Duration: 5:00, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Air Tahiti Nui TN2557

09:46

Seattle-Tacoma (SEA)

17:46

Baltimore (BWI)

Operates only on 2026-03-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 378)

Duration: 5:00, non-stop
Boeing 737-800 (73H)

Direct Codeshare Flights:

Air Tahiti Nui TN2557

09:46

Seattle-Tacoma (SEA)

17:46

Baltimore (BWI)

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

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 378)

Duration: 5:00, non-stop
Boeing 737 (73J)

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Parallax here SEA-BWI

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A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Baltimore airport (BWI).
The flight distance is 2327 miles, or 3746 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 4:55 and 5:09.

Return (BWI-SEA) flights

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