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Austin → Saint Louis

Dec 3, 2026 · return Dec 9, 2026

AUS → STL1 adulteconomyRound trip

8 flight options · 3 airlines

Nonstop flights

Thu, Dec 3 – Wed, Dec 9

Southwest Airlines
3:15 pmAUS
2h 5m
Nonstop
5:20 pmSTL
Southwest Airlines
8:25 pmSTL
2h 10m
Nonstop
10:35 pmAUS

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Wed, Dec 9

Southwest Airlines
7:35 amAUS
2h
Nonstop
9:35 amSTL
Southwest Airlines
8:25 pmSTL
2h 10m
Nonstop
10:35 pmAUS

Round-trip total · 1 adult · Taxes included

One-stop flights

Thu, Dec 3 – Wed, Dec 9

American Airlines
3:00 pmAUS
4h 36m
DFW · 1h 40m
7:36 pmSTL
American Airlines
6:44 pmSTL
4h 15m
DFW · 1h 9m
10:59 pmAUS

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Wed, Dec 9

United Airlines
5:15 amAUS
4h 34m
IAH · 1h 12m
9:49 amSTL
United Airlines
6:00 amSTL
5h 13m
IAH · 1h 41m
11:13 amAUS

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Wed, Dec 9

Southwest Airlines
7:10 amAUS
2h
Nonstop
9:10 amSTL
Southwest Airlines
5:05 amSTL
5h 35m
HOU · 2h 35m
10:40 amAUS

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Wed, Dec 9

Southwest Airlines
1:40 pmAUS
5h 30m
MCI · 2h 35m
7:10 pmSTL
Southwest Airlines
8:25 pmSTL
2h 10m
Nonstop
10:35 pmAUS

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Wed, Dec 9

Southwest Airlines
4:25 pmAUS
4h 50m
DAL · 2h 10m
9:15 pmSTL
Southwest Airlines
8:25 pmSTL
2h 10m
Nonstop
10:35 pmAUS

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Wed, Dec 9

Southwest Airlines
4:25 pmAUS
4h 20m
BNA · 1h
8:45 pmSTL
Southwest Airlines
8:25 pmSTL
2h 10m
Nonstop
10:35 pmAUS

Round-trip total · 1 adult · Taxes included

Make this trip yours

AUS ⇄ STL

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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More dates

All dates for this routeNov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-03 → 2026-12-09Southwest AirlinesWN438 / WN2655$280.002026-10-29T00:47:17Z
2026-12-03 → 2026-12-09American AirlinesAA3885 + AA2246 / AA2269 + AA2707$295.002026-10-29T00:47:17Z
2026-12-03 → 2026-12-09United AirlinesUA1966 + UA4556 / UA1371 + UA1823$315.002026-10-29T00:47:17Z
2026-12-03 → 2026-12-09Southwest AirlinesWN436 / WN2655$280.002026-10-29T00:47:17Z
2026-12-03 → 2026-12-09Southwest AirlinesWN436 / WN4149 + WN2392$270.002026-10-29T00:47:17Z
2026-12-03 → 2026-12-09Southwest AirlinesWN4889 + WN2715 / WN2655$270.002026-10-29T00:47:17Z
2026-12-03 → 2026-12-09Southwest AirlinesWN2360 + WN1498 / WN2655$270.002026-10-29T00:47:17Z
2026-12-03 → 2026-12-09Southwest AirlinesWN2737 + WN742 / WN2655$270.002026-10-29T00:47:17Z

2026-12-03 → 2026-12-09 · $280.00

  • Southwest Airlines WN438: AUS 2026-12-03 15:15:00 → STL 2026-12-03 17:20:00; nonstop; 125 minutes. Local airport times.
  • Southwest Airlines WN2655: STL 2026-12-09 20:25:00 → AUS 2026-12-09 22:35:00; nonstop; 130 minutes. Local airport times.

2026-12-03 → 2026-12-09 · $295.00

  • American Airlines AA3885 / AA2246: AUS 2026-12-03 15:00:00 → STL 2026-12-03 19:36:00; 1 stop(s) via DFW; 276 minutes. Local airport times.
    • AA3885: AUS 2026-12-03 15:00:00 → DFW 2026-12-03 16:15:00; layover at DFW: 100 minutes.
    • AA2246: DFW 2026-12-03 17:55:00 → STL 2026-12-03 19:36:00.
  • American Airlines AA2269 / AA2707: STL 2026-12-09 18:44:00 → AUS 2026-12-09 22:59:00; 1 stop(s) via DFW; 255 minutes. Local airport times.
    • AA2269: STL 2026-12-09 18:44:00 → DFW 2026-12-09 20:45:00; layover at DFW: 69 minutes.
    • AA2707: DFW 2026-12-09 21:54:00 → AUS 2026-12-09 22:59:00.

2026-12-03 → 2026-12-09 · $315.00

  • United Airlines UA1966 / UA4556: AUS 2026-12-03 05:15:00 → STL 2026-12-03 09:49:00; 1 stop(s) via IAH; 274 minutes. Local airport times.
    • UA1966: AUS 2026-12-03 05:15:00 → IAH 2026-12-03 06:28:00; layover at IAH: 72 minutes.
    • UA4556: IAH 2026-12-03 07:40:00 → STL 2026-12-03 09:49:00.
  • United Airlines UA1371 / UA1823: STL 2026-12-09 06:00:00 → AUS 2026-12-09 11:13:00; 1 stop(s) via IAH; 313 minutes. Local airport times.
    • UA1371: STL 2026-12-09 06:00:00 → IAH 2026-12-09 08:21:00; layover at IAH: 101 minutes.
    • UA1823: IAH 2026-12-09 10:02:00 → AUS 2026-12-09 11:13:00.

2026-12-03 → 2026-12-09 · $280.00

  • Southwest Airlines WN436: AUS 2026-12-03 07:35:00 → STL 2026-12-03 09:35:00; nonstop; 120 minutes. Local airport times.
  • Southwest Airlines WN2655: STL 2026-12-09 20:25:00 → AUS 2026-12-09 22:35:00; nonstop; 130 minutes. Local airport times.

2026-12-03 → 2026-12-09 · $270.00

  • Southwest Airlines WN436: AUS 2026-12-03 07:10:00 → STL 2026-12-03 09:10:00; nonstop; 120 minutes. Local airport times.
  • Southwest Airlines WN4149 / WN2392: STL 2026-12-09 05:05:00 → AUS 2026-12-09 10:40:00; 1 stop(s) via HOU; 335 minutes. Local airport times.
    • WN4149: STL 2026-12-09 05:05:00 → HOU 2026-12-09 07:10:00; layover at HOU: 155 minutes.
    • WN2392: HOU 2026-12-09 09:45:00 → AUS 2026-12-09 10:40:00.

2026-12-03 → 2026-12-09 · $270.00

  • Southwest Airlines WN4889 / WN2715: AUS 2026-12-03 13:40:00 → STL 2026-12-03 19:10:00; 1 stop(s) via MCI; 330 minutes. Local airport times.
    • WN4889: AUS 2026-12-03 13:40:00 → MCI 2026-12-03 15:30:00; layover at MCI: 155 minutes.
    • WN2715: MCI 2026-12-03 18:05:00 → STL 2026-12-03 19:10:00.
  • Southwest Airlines WN2655: STL 2026-12-09 20:25:00 → AUS 2026-12-09 22:35:00; nonstop; 130 minutes. Local airport times.

2026-12-03 → 2026-12-09 · $270.00

  • Southwest Airlines WN2360 / WN1498: AUS 2026-12-03 16:25:00 → STL 2026-12-03 21:15:00; 1 stop(s) via DAL; 290 minutes. Local airport times.
    • WN2360: AUS 2026-12-03 16:25:00 → DAL 2026-12-03 17:25:00; layover at DAL: 130 minutes.
    • WN1498: DAL 2026-12-03 19:35:00 → STL 2026-12-03 21:15:00.
  • Southwest Airlines WN2655: STL 2026-12-09 20:25:00 → AUS 2026-12-09 22:35:00; nonstop; 130 minutes. Local airport times.

2026-12-03 → 2026-12-09 · $270.00

  • Southwest Airlines WN2737 / WN742: AUS 2026-12-03 16:25:00 → STL 2026-12-03 20:45:00; 1 stop(s) via BNA; 260 minutes. Local airport times.
    • WN2737: AUS 2026-12-03 16:25:00 → BNA 2026-12-03 18:30:00; layover at BNA: 60 minutes.
    • WN742: BNA 2026-12-03 19:30:00 → STL 2026-12-03 20:45:00.
  • Southwest Airlines WN2655: STL 2026-12-09 20:25:00 → AUS 2026-12-09 22:35:00; nonstop; 130 minutes. Local airport times.

More dates for this route