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

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FLIGHT SCHEDULE
Direct Flights:
Mon,Wed-Sun 21:40 Seattle-Tacoma (SEA) 05:46 Baltimore (BWI) Alaska Airlines AS 344 Non-stop Boeing 737 MAX 9 (7M9) 5:06 Valid until 2025-05-12 The flight arrives 1 day after departure.
Wed 21:40 Seattle-Tacoma (SEA) 05:46 Baltimore (BWI) Alaska Airlines AS 344 Non-stop Boeing 737 (73J) 5:06 Operates only on 2025-05-14 The flight arrives 1 day after departure.
Daily 21:45 Seattle-Tacoma (SEA) 05:45 Baltimore (BWI) Alaska Airlines AS 344 Non-stop Boeing 737 (73J) 5:00 Effective 2025-10-04 through 2025-10-31 The flight arrives 1 day after departure.
Sat 21:45 Seattle-Tacoma (SEA) 04:45 Baltimore (BWI) Alaska Airlines AS 344 Non-stop Boeing 737 (73J) 5:00 Operates only on 2025-11-01 The flight arrives 1 day after departure.
Daily 21:45 Seattle-Tacoma (SEA) 05:45 Baltimore (BWI) Alaska Airlines AS 344 Non-stop Boeing 737 (73J) 5:00 Effective 2025-11-02 through 2026-01-06 The flight arrives 1 day after departure.
Daily 22:20 Seattle-Tacoma (SEA) 06:19 Baltimore (BWI) Alaska Airlines AS 344 Non-stop Boeing 737-800 (73H) 4:59 Effective 2025-06-12 through 2025-06-18 The flight arrives 1 day after departure.
Thu 22:20 Seattle-Tacoma (SEA) 06:19 Baltimore (BWI) Alaska Airlines AS 344 Non-stop Boeing 737 MAX 8 (7M8) 4:59 Operates only on 2025-06-19 The flight arrives 1 day after departure.
Daily 22:20 Seattle-Tacoma (SEA) 06:19 Baltimore (BWI) Alaska Airlines AS 344 Non-stop Boeing 737-800 (73H) 4:59 Effective 2025-06-20 through 2025-07-03 The flight arrives 1 day after departure.
Daily 22:20 Seattle-Tacoma (SEA) 06:19 Baltimore (BWI) Alaska Airlines AS 344 Non-stop Boeing 737-800 (73H) 4:59 Effective 2025-07-05 through 2025-07-26 The flight arrives 1 day after departure.
Sun 22:20 Seattle-Tacoma (SEA) 06:19 Baltimore (BWI) Alaska Airlines AS 344 Non-stop Boeing 737 MAX 8 (7M8) 4:59 Operates only on 2025-07-27 The flight arrives 1 day after departure.
Daily 22:20 Seattle-Tacoma (SEA) 06:19 Baltimore (BWI) Alaska Airlines AS 344 Non-stop Boeing 737-800 (73H) 4:59 Effective 2025-07-28 through 2025-08-18 The flight arrives 1 day after departure.
Tue 22:20 Seattle-Tacoma (SEA) 06:19 Baltimore (BWI) Alaska Airlines AS 344 Non-stop Boeing 737 MAX 9 (7M9) 4:59 Operates only on 2025-08-19 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 2025-05-15 through 2025-06-10 The flight arrives 1 day after departure.
Wed 22:27 Seattle-Tacoma (SEA) 06:29 Baltimore (BWI) Alaska Airlines AS 344 Non-stop Boeing 737-800 (73H) 5:02 Operates only on 2025-06-11 The flight arrives 1 day after departure.
Daily 22:27 Seattle-Tacoma (SEA) 06:31 Baltimore (BWI) Alaska Airlines AS 344 Non-stop Boeing 737 (73J) 5:04 Effective 2025-08-20 through 2025-10-03 The flight arrives 1 day after departure.
Daily 09:55 Seattle-Tacoma (SEA) 17:55 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 (73J) 5:00 Effective from 2025-10-04
Mon,Thu 09:56 Seattle-Tacoma (SEA) 18:05 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 (73J) 5:09 Effective 2025-05-15 through 2025-05-19
Tue-Sun 09:56 Seattle-Tacoma (SEA) 18:05 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 MAX 9 (7M9) 5:09 Effective 2025-05-16 through 2025-05-25
Mon-Wed,Fri,Sat 09:56 Seattle-Tacoma (SEA) 18:05 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 MAX 9 (7M9) 5:09 Effective 2025-05-26 through 2025-06-04
Thu,Sun 09:56 Seattle-Tacoma (SEA) 18:05 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 (73J) 5:09 Effective 2025-05-29 through 2025-06-01
Mon,Tue,Thu-Sat 09:56 Seattle-Tacoma (SEA) 18:05 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 MAX 9 (7M9) 5:09 Effective 2025-06-05 through 2025-06-10
Wed,Sun 09:56 Seattle-Tacoma (SEA) 18:05 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 (73J) 5:09 Effective 2025-06-08 through 2025-06-11
Mon-Thu,Sun 09:59 Seattle-Tacoma (SEA) 18:05 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 MAX 9 (7M9) 5:06 Valid until 2025-05-01
Mon-Fri,Sun 09:59 Seattle-Tacoma (SEA) 18:05 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 MAX 9 (7M9) 5:06 Effective 2025-05-02 through 2025-05-14
Daily 10:03 Seattle-Tacoma (SEA) 18:08 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 MAX 9 (7M9) 5:05 Effective 2025-06-12 through 2025-07-03
Fri 10:03 Seattle-Tacoma (SEA) 18:08 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737-800 (73H) 5:05 Operates only on 2025-07-04
Daily 10:03 Seattle-Tacoma (SEA) 18:08 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 MAX 9 (7M9) 5:05 Effective 2025-07-05 through 2025-08-19
Daily 10:08 Seattle-Tacoma (SEA) 18:17 Baltimore (BWI) Alaska Airlines AS 378 Non-stop Boeing 737 (73J) 5:09 Effective 2025-08-20 through 2025-10-03
Daily 21:10 Seattle-Tacoma (SEA) 05:10 Baltimore (BWI) Southwest Airlines WN 1503 Non-stop Boeing 737 MAX 8 (7M8) 5:00 Effective 2025-06-05 through 2025-07-03 The flight arrives 1 day after departure.
Daily 21:10 Seattle-Tacoma (SEA) 05:10 Baltimore (BWI) Southwest Airlines WN 1503 Non-stop Boeing 737 MAX 8 (7M8) 5:00 Effective 2025-07-05 through 2025-08-04 The flight arrives 1 day after departure.
Fri 21:00 Seattle-Tacoma (SEA) 05:00 Baltimore (BWI) Southwest Airlines WN 4009 Non-stop Boeing 737 MAX 8 (7M8) 5:00 Operates only on 2025-07-04 The flight arrives 1 day after departure.
Daily 21:10 Seattle-Tacoma (SEA) 05:10 Baltimore (BWI) Southwest Airlines WN 4250 Non-stop Boeing 737-800 (73H) 5:00 Effective 2025-08-05 through 2025-10-01 The flight arrives 1 day after departure.
Non-Direct Flights:
Sat 10:05 Seattle-Tacoma (SEA) 20:10 Baltimore (BWI) Southwest Airlines WN 1194 1-stop Boeing 737-700 (73W) 7:05 Effective 2025-08-09 through 2025-09-27
Mon-Wed 06:45 Seattle-Tacoma (SEA) 16:05 Baltimore (BWI) Southwest Airlines WN 2120 1-stop Boeing 737-700 (Scimitar Winglets) 6:20 Effective 2025-11-25 through 2025-12-01
Mon,Tue,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 2025-12-19 through 2026-01-04
Mon,Thu,Fri 07:20 Seattle-Tacoma (SEA) 18:15 Baltimore (BWI) Southwest Airlines WN 4153 1-stop Boeing 737 MAX 8 (7M8) 7:55 Effective 2025-10-02 through 2025-10-31
Sun 05:15 Seattle-Tacoma (SEA) 18:50 Baltimore (BWI) Southwest Airlines WN 1751 2-stop Boeing 737 MAX 8 (7M8) 10:35 Operates only on 2025-11-30
Mon,Thu,Fri,Sun 07:10 Seattle-Tacoma (SEA) 21:35 Baltimore (BWI) Southwest Airlines WN 1926 3-stop Boeing 737-700 (Scimitar Winglets) 11:25 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 07:10 Seattle-Tacoma (SEA) 21:35 Baltimore (BWI) Southwest Airlines WN 1926 3-stop Boeing 737-700 (Scimitar Winglets) 11:25 Effective 2025-11-21 through 2025-11-28
Fri,Sun 07:10 Seattle-Tacoma (SEA) 21:35 Baltimore (BWI) Southwest Airlines WN 1926 3-stop Boeing 737-700 (Scimitar Winglets) 11:25 Effective 2025-12-07 through 2025-12-14
Thu 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 2025-12-18
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
Direct Codeshare Flights:
Mon-Fri,Sun 21:45 Seattle-Tacoma (SEA) 05:45 Baltimore (BWI) Air Tahiti Nui TN 2342 Non-stop Boeing 737 (73J) 5:00 Effective 2025-10-26 through 2025-10-31 Codeshare flight, operated by Alaska Airlines.(AS 344) The flight arrives 1 day after departure.
Daily 21:45 Seattle-Tacoma (SEA) 05:45 Baltimore (BWI) Air Tahiti Nui TN 2342 Non-stop Boeing 737 (73J) 5:00 Effective 2025-11-02 through 2025-11-20 Codeshare flight, operated by Alaska Airlines.(AS 344) The flight arrives 1 day after departure.
Daily 09:55 Seattle-Tacoma (SEA) 17:55 Baltimore (BWI) Air Tahiti Nui TN 2557 Non-stop Boeing 737 (73J) 5:00 Effective from 2025-10-04 Codeshare flight, operated by Alaska Airlines.(AS 378)
Mon,Thu 09:56 Seattle-Tacoma (SEA) 18:05 Baltimore (BWI) Air Tahiti Nui TN 2557 Non-stop Boeing 737 (73J) 5:09 Effective 2025-05-15 through 2025-05-19 Codeshare flight, operated by Alaska Airlines.(AS 378)
Tue-Sun 09:56 Seattle-Tacoma (SEA) 18:05 Baltimore (BWI) Air Tahiti Nui TN 2557 Non-stop Boeing 737 MAX 9 (7M9) 5:09 Effective 2025-05-16 through 2025-05-25 Codeshare flight, operated by Alaska Airlines.(AS 378)
Mon-Wed,Fri,Sat 09:56 Seattle-Tacoma (SEA) 18:05 Baltimore (BWI) Air Tahiti Nui TN 2557 Non-stop Boeing 737 MAX 9 (7M9) 5:09 Effective 2025-05-26 through 2025-06-04 Codeshare flight, operated by Alaska Airlines.(AS 378)
Thu,Sun 09:56 Seattle-Tacoma (SEA) 18:05 Baltimore (BWI) Air Tahiti Nui TN 2557 Non-stop Boeing 737 (73J) 5:09 Effective 2025-05-29 through 2025-06-01 Codeshare flight, operated by Alaska Airlines.(AS 378)
Mon,Tue,Thu-Sat 09:56 Seattle-Tacoma (SEA) 18:05 Baltimore (BWI) Air Tahiti Nui TN 2557 Non-stop Boeing 737 MAX 9 (7M9) 5:09 Effective 2025-06-05 through 2025-06-10 Codeshare flight, operated by Alaska Airlines.(AS 378)

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Parallax here SEA-BWI

1 2 3

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 4:59 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

21:40

Seattle-Tacoma (SEA)

05:46(+1)

Baltimore (BWI)

Valid until 2025-05-12

Mon

Tue
-

Wed

Thu

Fri

Sat

Sun

Duration: 5:06, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Alaska Airlines AS344

21:40

Seattle-Tacoma (SEA)

05:46(+1)

Baltimore (BWI)

Operates only on 2025-05-14

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:06, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Alaska Airlines AS344

21:45

Seattle-Tacoma (SEA)

05:45(+1)

Baltimore (BWI)

Effective 2025-10-04 through 2025-10-31

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Alaska Airlines AS344

21:45

Seattle-Tacoma (SEA)

04:45(+1)

Baltimore (BWI)

Operates only on 2025-11-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Alaska Airlines AS344

21:45

Seattle-Tacoma (SEA)

05:45(+1)

Baltimore (BWI)

Effective 2025-11-02 through 2026-01-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Alaska Airlines AS344

22:20

Seattle-Tacoma (SEA)

06:19(+1)

Baltimore (BWI)

Effective 2025-06-12 through 2025-06-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:59, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Alaska Airlines AS344

22:20

Seattle-Tacoma (SEA)

06:19(+1)

Baltimore (BWI)

Operates only on 2025-06-19

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:59, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Alaska Airlines AS344

22:20

Seattle-Tacoma (SEA)

06:19(+1)

Baltimore (BWI)

Effective 2025-06-20 through 2025-07-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:59, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Alaska Airlines AS344

22:20

Seattle-Tacoma (SEA)

06:19(+1)

Baltimore (BWI)

Effective 2025-07-05 through 2025-07-26

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:59, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Alaska Airlines AS344

22:20

Seattle-Tacoma (SEA)

06:19(+1)

Baltimore (BWI)

Operates only on 2025-07-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:59, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Alaska Airlines AS344

22:20

Seattle-Tacoma (SEA)

06:19(+1)

Baltimore (BWI)

Effective 2025-07-28 through 2025-08-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:59, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Alaska Airlines AS344

22:20

Seattle-Tacoma (SEA)

06:19(+1)

Baltimore (BWI)

Operates only on 2025-08-19

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:59, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Alaska Airlines AS344

22:27

Seattle-Tacoma (SEA)

06:29(+1)

Baltimore (BWI)

Effective 2025-05-15 through 2025-06-10

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Alaska Airlines AS344

22:27

Seattle-Tacoma (SEA)

06:29(+1)

Baltimore (BWI)

Operates only on 2025-06-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:02, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Alaska Airlines AS344

22:27

Seattle-Tacoma (SEA)

06:31(+1)

Baltimore (BWI)

Effective 2025-08-20 through 2025-10-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:04, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Alaska Airlines AS378

09:55

Seattle-Tacoma (SEA)

17:55

Baltimore (BWI)

Effective from 2025-10-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Alaska Airlines AS378

09:56

Seattle-Tacoma (SEA)

18:05

Baltimore (BWI)

Effective 2025-05-15 through 2025-05-19

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

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

Alaska Airlines AS378

09:56

Seattle-Tacoma (SEA)

18:05

Baltimore (BWI)

Effective 2025-05-16 through 2025-05-25

Mon
-

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:09, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS378

09:56

Seattle-Tacoma (SEA)

18:05

Baltimore (BWI)

Effective 2025-05-26 through 2025-06-04

Mon

Tue

Wed

Thu
-

Fri

Sat

Sun
-

Duration: 5:09, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS378

09:56

Seattle-Tacoma (SEA)

18:05

Baltimore (BWI)

Effective 2025-05-29 through 2025-06-01

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun

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

Alaska Airlines AS378

09:56

Seattle-Tacoma (SEA)

18:05

Baltimore (BWI)

Effective 2025-06-05 through 2025-06-10

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun
-

Duration: 5:09, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS378

09:56

Seattle-Tacoma (SEA)

18:05

Baltimore (BWI)

Effective 2025-06-08 through 2025-06-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun

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

Alaska Airlines AS378

09:59

Seattle-Tacoma (SEA)

18:05

Baltimore (BWI)

Valid until 2025-05-01

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun

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

Alaska Airlines AS378

09:59

Seattle-Tacoma (SEA)

18:05

Baltimore (BWI)

Effective 2025-05-02 through 2025-05-14

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

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

Alaska Airlines AS378

10:03

Seattle-Tacoma (SEA)

18:08

Baltimore (BWI)

Effective 2025-06-12 through 2025-07-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:05, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS378

10:03

Seattle-Tacoma (SEA)

18:08

Baltimore (BWI)

Operates only on 2025-07-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 5:05, non-stop
Boeing 737-800 (73H)

Alaska Airlines AS378

10:03

Seattle-Tacoma (SEA)

18:08

Baltimore (BWI)

Effective 2025-07-05 through 2025-08-19

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:05, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS378

10:08

Seattle-Tacoma (SEA)

18:17

Baltimore (BWI)

Effective 2025-08-20 through 2025-10-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Southwest Airlines WN1503

21:10

Seattle-Tacoma (SEA)

05:10(+1)

Baltimore (BWI)

Effective 2025-06-05 through 2025-07-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:00, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Southwest Airlines WN1503

21:10

Seattle-Tacoma (SEA)

05:10(+1)

Baltimore (BWI)

Effective 2025-07-05 through 2025-08-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:00, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Southwest Airlines WN4009

21:00

Seattle-Tacoma (SEA)

05:00(+1)

Baltimore (BWI)

Operates only on 2025-07-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 5:00, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Southwest Airlines WN4250

21:10

Seattle-Tacoma (SEA)

05:10(+1)

Baltimore (BWI)

Effective 2025-08-05 through 2025-10-01

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Non-Direct Flights:

Southwest Airlines WN1194

10:05

Seattle-Tacoma (SEA)

20:10

Baltimore (BWI)

Effective 2025-08-09 through 2025-09-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 7:05, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN2120

06:45

Seattle-Tacoma (SEA)

16:05

Baltimore (BWI)

Effective 2025-11-25 through 2025-12-01

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Southwest Airlines WN2120

06:45

Seattle-Tacoma (SEA)

16:05

Baltimore (BWI)

Effective 2025-12-19 through 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

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

Southwest Airlines WN4153

07:20

Seattle-Tacoma (SEA)

18:15

Baltimore (BWI)

Effective 2025-10-02 through 2025-10-31

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 7:55, 1-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1751

05:15

Seattle-Tacoma (SEA)

18:50

Baltimore (BWI)

Operates only on 2025-11-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 10:35, 2-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1926

07:10

Seattle-Tacoma (SEA)

21:35

Baltimore (BWI)

Effective 2025-11-02 through 2025-11-16

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

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

Southwest Airlines WN1926

07:10

Seattle-Tacoma (SEA)

21:35

Baltimore (BWI)

Effective 2025-11-21 through 2025-11-28

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

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

Southwest Airlines WN1926

07:10

Seattle-Tacoma (SEA)

21:35

Baltimore (BWI)

Effective 2025-12-07 through 2025-12-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

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

Southwest Airlines WN1926

07:10

Seattle-Tacoma (SEA)

21:35

Baltimore (BWI)

Operates only on 2025-12-18

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

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

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)

Direct Codeshare Flights:

Air Tahiti Nui TN2342

21:45

Seattle-Tacoma (SEA)

05:45(+1)

Baltimore (BWI)

Effective 2025-10-26 through 2025-10-31

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 344)

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

Air Tahiti Nui TN2342

21:45

Seattle-Tacoma (SEA)

05:45(+1)

Baltimore (BWI)

Effective 2025-11-02 through 2025-11-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 344)

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

Air Tahiti Nui TN2557

09:55

Seattle-Tacoma (SEA)

17:55

Baltimore (BWI)

Effective from 2025-10-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

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

Air Tahiti Nui TN2557

09:56

Seattle-Tacoma (SEA)

18:05

Baltimore (BWI)

Effective 2025-05-15 through 2025-05-19

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

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

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

Air Tahiti Nui TN2557

09:56

Seattle-Tacoma (SEA)

18:05

Baltimore (BWI)

Effective 2025-05-16 through 2025-05-25

Mon
-

Tue

Wed

Thu

Fri

Sat

Sun

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

Duration: 5:09, non-stop
Boeing 737 MAX 9 (7M9)

Air Tahiti Nui TN2557

09:56

Seattle-Tacoma (SEA)

18:05

Baltimore (BWI)

Effective 2025-05-26 through 2025-06-04

Mon

Tue

Wed

Thu
-

Fri

Sat

Sun
-

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

Duration: 5:09, non-stop
Boeing 737 MAX 9 (7M9)

Air Tahiti Nui TN2557

09:56

Seattle-Tacoma (SEA)

18:05

Baltimore (BWI)

Effective 2025-05-29 through 2025-06-01

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun

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

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

Air Tahiti Nui TN2557

09:56

Seattle-Tacoma (SEA)

18:05

Baltimore (BWI)

Effective 2025-06-05 through 2025-06-10

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun
-

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

Duration: 5:09, non-stop
Boeing 737 MAX 9 (7M9)

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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 4:59 and 5:09.

Return (BWI-SEA) flights

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