All airlines flying from Saint Louis (STL) to Austin (AUS).

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FLIGHT SCHEDULE
Direct Flights:
Sun 08:30 Saint Louis (STL) 2 10:30 Austin (AUS) Southwest Airlines WN 3710 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2026-08-09 through 2026-09-27
Sat 09:45 Saint Louis (STL) 2 12:00 Austin (AUS) Southwest Airlines WN 3741 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-02-14 through 2026-02-28
Mon,Thu,Fri 09:50 Saint Louis (STL) 2 12:05 Austin (AUS) Southwest Airlines WN 3741 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 09:50 Saint Louis (STL) 2 12:05 Austin (AUS) Southwest Airlines WN 3741 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-02-20 through 2026-03-01
Mon,Thu,Fri 15:15 Saint Louis (STL) 2 17:30 Austin (AUS) Southwest Airlines WN 3742 Non-stop Boeing 737-800 (73H) 2:15 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 15:15 Saint Louis (STL) 2 17:30 Austin (AUS) Southwest Airlines WN 3742 Non-stop Boeing 737-800 (73H) 2:15 Effective 2026-02-20 through 2026-03-01
Mon-Fri 19:55 Saint Louis (STL) 2 22:10 Austin (AUS) Southwest Airlines WN 3743 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 19:55 Saint Louis (STL) 2 22:10 Austin (AUS) Southwest Airlines WN 3743 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-01-18 through 2026-01-23
Mon-Fri 19:55 Saint Louis (STL) 2 22:10 Austin (AUS) Southwest Airlines WN 3743 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 19:55 Saint Louis (STL) 2 22:10 Austin (AUS) Southwest Airlines WN 3743 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-02-08 through 2026-02-11
Tue,Wed 19:55 Saint Louis (STL) 2 22:10 Austin (AUS) Southwest Airlines WN 3743 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-02-18 through 2026-03-04
Thu,Fri,Sun 20:45 Saint Louis (STL) 2 23:00 Austin (AUS) Southwest Airlines WN 3743 Non-stop Boeing 737-800 (73H) 2:15 Effective 2026-01-11 through 2026-01-16
Mon,Sun 20:45 Saint Louis (STL) 2 23:00 Austin (AUS) Southwest Airlines WN 3743 Non-stop Boeing 737-800 (73H) 2:15 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 20:45 Saint Louis (STL) 2 23:00 Austin (AUS) Southwest Airlines WN 3743 Non-stop Boeing 737-800 (73H) 2:15 Effective 2026-02-01 through 2026-02-06
Mon,Sun 20:45 Saint Louis (STL) 2 23:00 Austin (AUS) Southwest Airlines WN 3743 Non-stop Boeing 737-800 (73H) 2:15 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 20:45 Saint Louis (STL) 2 23:00 Austin (AUS) Southwest Airlines WN 3743 Non-stop Boeing 737-800 (73H) 2:15 Effective 2026-02-17 through 2026-02-23
Mon 20:45 Saint Louis (STL) 2 23:00 Austin (AUS) Southwest Airlines WN 3743 Non-stop Boeing 737-800 (73H) 2:15 Operates only on 2026-03-02
Mon,Thu,Fri 22:15 Saint Louis (STL) 2 00:30 Austin (AUS) Southwest Airlines WN 3743 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-02-12 through 2026-02-16 The flight arrives 1 day after departure.
Thu,Fri,Sun 22:15 Saint Louis (STL) 2 00:30 Austin (AUS) Southwest Airlines WN 3743 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-02-20 through 2026-03-01 The flight arrives 1 day after departure.
Sun 20:45 Saint Louis (STL) 2 22:45 Austin (AUS) Southwest Airlines WN 3803 Non-stop Boeing 737-800 (73H) 2:00 Effective 2026-08-09 through 2026-09-27
Tue,Wed 20:50 Saint Louis (STL) 2 22:50 Austin (AUS) Southwest Airlines WN 3803 Non-stop Boeing 737-800 (73H) 2:00 Effective 2026-08-04 through 2026-09-30
Mon,Thu,Fri 08:10 Saint Louis (STL) 2 10:10 Austin (AUS) Southwest Airlines WN 3884 Non-stop Boeing 737-700 (Scimitar Winglets) 2:00 Effective 2026-06-04 through 2026-08-03
Sat,Sun 08:25 Saint Louis (STL) 2 10:25 Austin (AUS) Southwest Airlines WN 3884 Non-stop Boeing 737-800 (73H) 2:00 Effective 2026-06-06 through 2026-08-02
Tue,Wed 08:30 Saint Louis (STL) 2 10:30 Austin (AUS) Southwest Airlines WN 3884 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2026-06-09 through 2026-07-29
Wed,Thu 20:25 Saint Louis (STL) 2 22:35 Austin (AUS) Southwest Airlines WN 4420 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Valid until 2026-01-01
Mon,Tue,Fri,Sun 22:45 Saint Louis (STL) 2 00:55 Austin (AUS) Southwest Airlines WN 4420 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Valid until 2026-01-04 The flight arrives 1 day after departure.
Sat 22:55 Saint Louis (STL) 2 01:05 Austin (AUS) Southwest Airlines WN 4420 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Valid until 2026-01-03 The flight arrives 1 day after departure.
Mon 22:55 Saint Louis (STL) 2 01:05 Austin (AUS) Southwest Airlines WN 4420 Non-stop Boeing 737-800 (73H) 2:10 Operates only on 2026-01-05 The flight arrives 1 day after departure.
Tue,Wed 20:55 Saint Louis (STL) 2 23:05 Austin (AUS) Southwest Airlines WN 4432 Non-stop Boeing 737-800 (73H) 2:10 Effective 2026-04-07 through 2026-06-03
Mon,Thu,Fri 21:40 Saint Louis (STL) 2 23:50 Austin (AUS) Southwest Airlines WN 4432 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-04-09 through 2026-06-01
Sun 21:55 Saint Louis (STL) 2 00:05 Austin (AUS) Southwest Airlines WN 4432 Non-stop Boeing 737-800 (73H) 2:10 Effective 2026-04-12 through 2026-05-17 The flight arrives 1 day after departure.
Sun 21:55 Saint Louis (STL) 2 00:05 Austin (AUS) Southwest Airlines WN 4432 Non-stop Boeing 737-800 (73H) 2:10 Operates only on 2026-05-31 The flight arrives 1 day after departure.
Sat 18:45 Saint Louis (STL) 2 20:45 Austin (AUS) Southwest Airlines WN 4515 Non-stop Boeing 737-700 (Scimitar Winglets) 2:00 Effective 2026-06-06 through 2026-08-01
Tue,Wed 21:50 Saint Louis (STL) 2 23:50 Austin (AUS) Southwest Airlines WN 4515 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 21:55 Saint Louis (STL) 2 23:55 Austin (AUS) Southwest Airlines WN 4515 Non-stop Boeing 737-800 (73H) 2:00 Effective 2026-06-04 through 2026-08-03
Sun 22:25 Saint Louis (STL) 2 00:25 Austin (AUS) Southwest Airlines WN 4515 Non-stop Boeing 737-800 (73H) 2:00 Effective 2026-06-07 through 2026-08-02 The flight arrives 1 day after departure.
Mon 10:00 Saint Louis (STL) 2 12:15 Austin (AUS) Southwest Airlines WN 4545 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Operates only on 2026-01-05
Wed,Thu 10:15 Saint Louis (STL) 2 12:30 Austin (AUS) Southwest Airlines WN 4545 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Valid until 2026-01-01
Mon,Thu,Fri,Sun 08:25 Saint Louis (STL) 2 10:40 Austin (AUS) Southwest Airlines WN 4589 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-03-05 through 2026-04-06
Sat 08:25 Saint Louis (STL) 2 10:40 Austin (AUS) Southwest Airlines WN 4589 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-03-07 through 2026-04-04
Non-Direct Flights:
Sat 12:35 Saint Louis (STL) 2 17:05 Austin (AUS) Southwest Airlines WN 203 1-stop Boeing 737-700 (Scimitar Winglets) 4:30 Effective 2026-04-11 through 2026-05-30
Sat 12:35 Saint Louis (STL) 2 17:20 Austin (AUS) Southwest Airlines WN 274 1-stop Boeing 737-800 (73H) 4:45 Valid until 2026-01-03
Mon,Thu,Fri 14:55 Saint Louis (STL) 2 19:20 Austin (AUS) Southwest Airlines WN 279 1-stop Boeing 737-700 (Scimitar Winglets) 4:25 Effective 2026-06-04 through 2026-08-03
Daily 16:17 Saint Louis (STL) 1 22:34 Austin (AUS) United Airlines UA 1179 1-stop Airbus A319 (319) 6:17 Effective from 2026-08-18
Daily 18:00 Saint Louis (STL) 1 22:34 Austin (AUS) United Airlines UA 1179 1-stop Airbus A319 (319) 4:34 Effective 2026-05-21 through 2026-08-17
Sun 12:25 Saint Louis (STL) 2 17:10 Austin (AUS) Southwest Airlines WN 1790 1-stop Boeing 737-700 (Scimitar Winglets) 4:45 Effective 2026-03-08 through 2026-04-05
Mon 10:00 Saint Louis (STL) 2 13:30 Austin (AUS) Southwest Airlines WN 1973 1-stop Boeing 737-700 (Scimitar Winglets) 3:30 Operates only on 2026-01-05
Fri,Sun 09:50 Saint Louis (STL) 2 13:15 Austin (AUS) Southwest Airlines WN 2052 1-stop Boeing 737-700 (Scimitar Winglets) 3:25 Effective 2026-01-02 through 2026-01-04
Sat 08:30 Saint Louis (STL) 2 13:00 Austin (AUS) Southwest Airlines WN 2406 1-stop Boeing 737-800 (73H) 4:30 Effective 2026-06-06 through 2026-08-01
Tue,Wed 15:30 Saint Louis (STL) 2 19:15 Austin (AUS) Southwest Airlines WN 3792 1-stop Boeing 737-700 (Scimitar Winglets) 3:45 Effective 2026-03-10 through 2026-04-01

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Parallax here STL-AUS

1 2 3

A domestic route departing from the Saint Louis airport (STL) and arriving at Austin airport (AUS).
The flight distance is 721 miles, or 1161 km.
The timezone of both the departure and the arrival airports is UTC-6 . Current time at both airports is (loading...).
For direct flights, the flight time varies between 2:00 and 2:20.

Return (AUS-STL) flights

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All airlines flying from Saint Louis (STL) to Austin (AUS).

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN3710

08:30

Saint Louis (STL) 2

10:30

Austin (AUS)

Effective 2026-08-09 through 2026-09-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3741

09:45

Saint Louis (STL) 2

12:00

Austin (AUS)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3741

09:50

Saint Louis (STL) 2

12:05

Austin (AUS)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3741

09:50

Saint Louis (STL) 2

12:05

Austin (AUS)

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3742

15:15

Saint Louis (STL) 2

17:30

Austin (AUS)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:15, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3742

15:15

Saint Louis (STL) 2

17:30

Austin (AUS)

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:15, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3743

19:55

Saint Louis (STL) 2

22:10

Austin (AUS)

Effective 2026-01-06 through 2026-01-14

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3743

19:55

Saint Louis (STL) 2

22:10

Austin (AUS)

Effective 2026-01-18 through 2026-01-23

Mon
-

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3743

19:55

Saint Louis (STL) 2

22:10

Austin (AUS)

Effective 2026-01-26 through 2026-02-04

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3743

19:55

Saint Louis (STL) 2

22:10

Austin (AUS)

Effective 2026-02-08 through 2026-02-11

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3743

19:55

Saint Louis (STL) 2

22:10

Austin (AUS)

Effective 2026-02-18 through 2026-03-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3743

20:45

Saint Louis (STL) 2

23:00

Austin (AUS)

Effective 2026-01-11 through 2026-01-16

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:15, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3743

20:45

Saint Louis (STL) 2

23:00

Austin (AUS)

Effective 2026-01-19 through 2026-01-25

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:15, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3743

20:45

Saint Louis (STL) 2

23:00

Austin (AUS)

Effective 2026-02-01 through 2026-02-06

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:15, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3743

20:45

Saint Louis (STL) 2

23:00

Austin (AUS)

Effective 2026-02-09 through 2026-02-15

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:15, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3743

20:45

Saint Louis (STL) 2

23:00

Austin (AUS)

Effective 2026-02-17 through 2026-02-23

Mon

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:15, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3743

20:45

Saint Louis (STL) 2

23:00

Austin (AUS)

Operates only on 2026-03-02

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:15, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3743

22:15

Saint Louis (STL) 2

00:30(+1)

Austin (AUS)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN3743

22:15

Saint Louis (STL) 2

00:30(+1)

Austin (AUS)

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN3803

20:45

Saint Louis (STL) 2

22:45

Austin (AUS)

Effective 2026-08-09 through 2026-09-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:00, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3803

20:50

Saint Louis (STL) 2

22:50

Austin (AUS)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:00, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3884

08:10

Saint Louis (STL) 2

10:10

Austin (AUS)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:00, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3884

08:25

Saint Louis (STL) 2

10:25

Austin (AUS)

Effective 2026-06-06 through 2026-08-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Duration: 2:00, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3884

08:30

Saint Louis (STL) 2

10:30

Austin (AUS)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4420

20:25

Saint Louis (STL) 2

22:35

Austin (AUS)

Valid until 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4420

22:45

Saint Louis (STL) 2

00:55(+1)

Austin (AUS)

Valid until 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN4420

22:55

Saint Louis (STL) 2

01:05(+1)

Austin (AUS)

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN4420

22:55

Saint Louis (STL) 2

01:05(+1)

Austin (AUS)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:10, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN4432

20:55

Saint Louis (STL) 2

23:05

Austin (AUS)

Effective 2026-04-07 through 2026-06-03

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4432

21:40

Saint Louis (STL) 2

23:50

Austin (AUS)

Effective 2026-04-09 through 2026-06-01

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4432

21:55

Saint Louis (STL) 2

00:05(+1)

Austin (AUS)

Effective 2026-04-12 through 2026-05-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:10, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN4432

21:55

Saint Louis (STL) 2

00:05(+1)

Austin (AUS)

Operates only on 2026-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:10, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN4515

18:45

Saint Louis (STL) 2

20:45

Austin (AUS)

Effective 2026-06-06 through 2026-08-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:00, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4515

21:50

Saint Louis (STL) 2

23:50

Austin (AUS)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4515

21:55

Saint Louis (STL) 2

23:55

Austin (AUS)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:00, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4515

22:25

Saint Louis (STL) 2

00:25(+1)

Austin (AUS)

Effective 2026-06-07 through 2026-08-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:00, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN4545

10:00

Saint Louis (STL) 2

12:15

Austin (AUS)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4545

10:15

Saint Louis (STL) 2

12:30

Austin (AUS)

Valid until 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4589

08:25

Saint Louis (STL) 2

10:40

Austin (AUS)

Effective 2026-03-05 through 2026-04-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4589

08:25

Saint Louis (STL) 2

10:40

Austin (AUS)

Effective 2026-03-07 through 2026-04-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN203

12:35

Saint Louis (STL) 2

17:05

Austin (AUS)

Effective 2026-04-11 through 2026-05-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:30, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN274

12:35

Saint Louis (STL) 2

17:20

Austin (AUS)

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:45, 1-stop
Boeing 737-800 (73H)

Non-Direct Flights:

Southwest Airlines WN279

14:55

Saint Louis (STL) 2

19:20

Austin (AUS)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:25, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

United Airlines UA1179

16:17

Saint Louis (STL) 1

22:34

Austin (AUS)

Effective from 2026-08-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:17, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA1179

18:00

Saint Louis (STL) 1

22:34

Austin (AUS)

Effective 2026-05-21 through 2026-08-17

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:34, 1-stop
Airbus A319 (319)

Non-Direct Flights:

Southwest Airlines WN1790

12:25

Saint Louis (STL) 2

17:10

Austin (AUS)

Effective 2026-03-08 through 2026-04-05

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:45, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN1973

10:00

Saint Louis (STL) 2

13:30

Austin (AUS)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:30, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN2052

09:50

Saint Louis (STL) 2

13:15

Austin (AUS)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 3:25, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN2406

08:30

Saint Louis (STL) 2

13:00

Austin (AUS)

Effective 2026-06-06 through 2026-08-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:30, 1-stop
Boeing 737-800 (73H)

Non-Direct Flights:

Southwest Airlines WN3792

15:30

Saint Louis (STL) 2

19:15

Austin (AUS)

Effective 2026-03-10 through 2026-04-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:45, 1-stop
Boeing 737-700 (Scimitar Winglets)

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A domestic route departing from the Saint Louis airport (STL) and arriving at Austin airport (AUS).
The flight distance is 721 miles, or 1161 km.
The timezone of both the departure and the arrival airports is UTC-6 . Current time at both airports is (loading...).
For direct flights, the flight time varies between 2:00 and 2:20.

Return (AUS-STL) flights

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