Airlines with flights from Baltimore to Saint Louis

There are five airlines with scheduled flights between BWI and STL. Southwest is the only airline with non-stop flights from Baltimore Washington International to Saint Louis Airport and the flight time is 2 hours and 20 minutes.

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Direct

$Southwest Airlines from {( $airportFrom->city_name }} to Saint Louis$

Non-stop

2h 20min

Via Cleveland

3h 30min

Via Pittsburgh

3h 35min

Via Columbus

3h 35min

Via Nashville

3h 50min

Via Detroit

3h 54min

Via Chicago

3h 55min

Via Raleigh/Durham

3h 55min

Via Chicago

4h 0min

Via Charlotte

4h 1min

Via Milwaukee

4h 5min

Via Atlanta

4h 10min

Via Atlanta

4h 15min

Via Kansas City

4h 25min

Via Chicago

4h 26min

Via Charlotte

5h 0min

Via Atlanta

5h 21min

Via Charleston

5h 40min

Starts 06/06

Via Detroit

3h 55min

Starts 06/06

Via Norfolk

4h 40min

NEW Starts 04/07

Via Myrtle Beach

5h 55min

Starts 04/07

Via Savannah

6h 5min

Schedules

Non-stop with Southwest Airlines

Total flight time: 2 hours and 20 minutes
Low-cost airline
Baltimore is a Southwest Airlines focus city (Operating base).

32 flights per week
Boeing 737-700 Passenger (Scimitar Winglets)

Boeing 737MAX 8 Passenger

Boeing 737-800 (winglets) Passenger/BBJ2

BWI

Direct

STL

Flight

Mon

Jun 15

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Thu

Jun 18

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Jun 19

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Jun 20

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Jun 21

WN1109

06:15

06:25

06:15

06:50

07:10

WN1110

09:35

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09:35

09:25

09:50

WN733

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10:15

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WN1111

19:00

17:55

19:00

15:50

15:15

WN1118

21:55

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21:55

20:45

21:55

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The timetable & schedule information was updated at 2026-04-21

Via Cleveland with Southwest Airlines

Total flight time: 3h 30m - 5h 20m.
Low-cost airline
Baltimore is a Southwest Airlines focus city (Operating base).

15 flights per week
Boeing 737-700 Passenger (Scimitar Winglets)

Boeing 737MAX 8 Passenger

Boeing 737-800 (winglets) Passenger/BBJ2

BWI

Via CLE

STL

Flight

Mon

Jun 15

Tue

Jun 16

Wed

Jun 17

Thu

Jun 18

Fri

Jun 19

Sat

Jun 20

Sun

Jun 21

Sorry. We could not find any flights for this week.

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The timetable & schedule information was updated at 2026-04-21

Via Pittsburgh with Southwest Airlines

Total flight time: 3h 35m - 5h 05m.
Low-cost airline
Baltimore is a Southwest Airlines focus city (Operating base).

20 flights per week
Boeing 737-700 Passenger (Scimitar Winglets)

Boeing 737MAX 8 Passenger

Boeing 737-800 (winglets) Passenger/BBJ2

BWI

Via PIT

STL

Flight

Mon

Jun 15

Tue

Jun 16

Wed

Jun 17

Thu

Jun 18

Fri

Jun 19

Sat

Jun 20

Sun

Jun 21

WN1053
WN3387

18:20

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18:20

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17:15

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The timetable & schedule information was updated at 2026-04-21

Via Columbus with Southwest Airlines

Total flight time: 3h 35m - 5h 30m.
Low-cost airline
Baltimore is a Southwest Airlines focus city (Operating base).

20 flights per week
Boeing 737-700 Passenger (Scimitar Winglets)

Boeing 737MAX 8 Passenger

Boeing 737-800 (winglets) Passenger/BBJ2

BWI

Via CMH

STL

Flight

Mon

Jun 15

Tue

Jun 16

Wed

Jun 17

Thu

Jun 18

Fri

Jun 19

Sat

Jun 20

Sun

Jun 21

WN921
WN2614

17:00

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17:00

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17:40

WN4355
WN2614

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17:40

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The timetable & schedule information was updated at 2026-04-21

Via Nashville with Southwest Airlines

Total flight time: 3h 50m - 8h 15m.
Low-cost airline
Baltimore is a Southwest Airlines focus city (Operating base).

176 flights per week
Boeing 737-700 Passenger (Scimitar Winglets)

Boeing 737MAX 8 Passenger

Boeing 737-800 (winglets) Passenger/BBJ2

BWI

Via BNA

STL

Flight

Mon

Jun 15

Tue

Jun 16

Wed

Jun 17

Thu

Jun 18

Fri

Jun 19

Sat

Jun 20

Sun

Jun 21

WN1093
WN1371

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