Southwest Airlines flights from Seattle-Tacoma (SEA) to Baltimore (BWI).

FLIGHT SCHEDULE
Direct Flights:
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

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 is 5:00.

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FLIGHT SCHEDULE

Direct Flights:

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)

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 is 5:00.

All SEA-BWI flights

All Southwest Airlines flights

Return (BWI-SEA) flights

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