Travel with Axel,
get the best price.

Saint Louis → Houston

Dec 29, 2026 · return Dec 30, 2026

STL → HOU1 adulteconomyRound trip

6 flight options · 1 airline

One-stop flights

Tue, Dec 29 – Wed, Dec 30

Southwest Airlines
8:35 amSTL
4h 5m
DAL · 1h 10m
12:40 pmHOU
Southwest Airlines
2:45 pmHOU
4h 25m
AUS · 1h 25m
7:10 pmSTL

Round-trip total · 1 adult · Taxes included

Tue, Dec 29 – Wed, Dec 30

Southwest Airlines
4:30 pmSTL
5h 15m
ATL · 1h 30m
9:45 pmHOU
Southwest Airlines
2:45 pmHOU
4h 25m
AUS · 1h 25m
7:10 pmSTL

Round-trip total · 1 adult · Taxes included

Tue, Dec 29 – Wed, Dec 30

Southwest Airlines
8:20 amSTL
4h 55m
OMA · 1h 20m
1:15 pmHOU
Southwest Airlines
2:45 pmHOU
4h 25m
AUS · 1h 25m
7:10 pmSTL

Round-trip total · 1 adult · Taxes included

Tue, Dec 29 – Wed, Dec 30

Southwest Airlines
10:35 amSTL
4h 15m
BNA · 1h
2:50 pmHOU
Southwest Airlines
2:45 pmHOU
4h 25m
AUS · 1h 25m
7:10 pmSTL

Round-trip total · 1 adult · Taxes included

Tue, Dec 29 – Wed, Dec 30

Southwest Airlines
8:20 amSTL
5h 35m
SAT · 2h 25m
1:55 pmHOU
Southwest Airlines
2:45 pmHOU
4h 25m
AUS · 1h 25m
7:10 pmSTL

Round-trip total · 1 adult · Taxes included

Tue, Dec 29 – Wed, Dec 30

Southwest Airlines
5:00 pmSTL
2h 5m
Nonstop
7:05 pmHOU
Southwest Airlines
2:45 pmHOU
4h 25m
AUS · 1h 25m
7:10 pmSTL

Round-trip total · 1 adult · Taxes included

Make this trip yours

STL ⇄ HOU

Economy

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

No account needed to see prices.

Already have an account? Log in

Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, Southwest Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

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)
2026-12-29 → 2026-12-30Southwest AirlinesWN1327 + WN19 / WN2055 + WN438$336.002026-10-29T01:28:36Z
2026-12-29 → 2026-12-30Southwest AirlinesWN3091 + WN4496 / WN2055 + WN438$336.002026-10-29T01:28:36Z
2026-12-29 → 2026-12-30Southwest AirlinesWN3286 + WN1523 / WN2055 + WN438$336.002026-10-29T01:28:36Z
2026-12-29 → 2026-12-30Southwest AirlinesWN665 + WN1349 / WN2055 + WN438$336.002026-10-29T01:28:36Z
2026-12-29 → 2026-12-30Southwest AirlinesWN4198 + WN4494 / WN2055 + WN438$336.002026-10-29T01:28:36Z
2026-12-29 → 2026-12-30Southwest AirlinesWN1424 / WN2055 + WN438$348.002026-10-29T01:28:36Z

2026-12-29 → 2026-12-30 · $336.00

  • Southwest Airlines WN1327 / WN19: STL 2026-12-29 08:35:00 → HOU 2026-12-29 12:40:00; 1 stop(s) via DAL; 245 minutes. Local airport times.
    • WN1327: STL 2026-12-29 08:35:00 → DAL 2026-12-29 10:20:00; layover at DAL: 70 minutes.
    • WN19: DAL 2026-12-29 11:30:00 → HOU 2026-12-29 12:40:00.
  • Southwest Airlines WN2055 / WN438: HOU 2026-12-30 14:45:00 → STL 2026-12-30 19:10:00; 1 stop(s) via AUS; 265 minutes. Local airport times.
    • WN2055: HOU 2026-12-30 14:45:00 → AUS 2026-12-30 15:40:00; layover at AUS: 85 minutes.
    • WN438: AUS 2026-12-30 17:05:00 → STL 2026-12-30 19:10:00.

2026-12-29 → 2026-12-30 · $336.00

  • Southwest Airlines WN3091 / WN4496: STL 2026-12-29 16:30:00 → HOU 2026-12-29 21:45:00; 1 stop(s) via ATL; 315 minutes. Local airport times.
    • WN3091: STL 2026-12-29 16:30:00 → ATL 2026-12-29 19:00:00; layover at ATL: 90 minutes.
    • WN4496: ATL 2026-12-29 20:30:00 → HOU 2026-12-29 21:45:00.
  • Southwest Airlines WN2055 / WN438: HOU 2026-12-30 14:45:00 → STL 2026-12-30 19:10:00; 1 stop(s) via AUS; 265 minutes. Local airport times.
    • WN2055: HOU 2026-12-30 14:45:00 → AUS 2026-12-30 15:40:00; layover at AUS: 85 minutes.
    • WN438: AUS 2026-12-30 17:05:00 → STL 2026-12-30 19:10:00.

2026-12-29 → 2026-12-30 · $336.00

  • Southwest Airlines WN3286 / WN1523: STL 2026-12-29 08:20:00 → HOU 2026-12-29 13:15:00; 1 stop(s) via OMA; 295 minutes. Local airport times.
    • WN3286: STL 2026-12-29 08:20:00 → OMA 2026-12-29 09:35:00; layover at OMA: 80 minutes.
    • WN1523: OMA 2026-12-29 10:55:00 → HOU 2026-12-29 13:15:00.
  • Southwest Airlines WN2055 / WN438: HOU 2026-12-30 14:45:00 → STL 2026-12-30 19:10:00; 1 stop(s) via AUS; 265 minutes. Local airport times.
    • WN2055: HOU 2026-12-30 14:45:00 → AUS 2026-12-30 15:40:00; layover at AUS: 85 minutes.
    • WN438: AUS 2026-12-30 17:05:00 → STL 2026-12-30 19:10:00.

2026-12-29 → 2026-12-30 · $336.00

  • Southwest Airlines WN665 / WN1349: STL 2026-12-29 10:35:00 → HOU 2026-12-29 14:50:00; 1 stop(s) via BNA; 255 minutes. Local airport times.
    • WN665: STL 2026-12-29 10:35:00 → BNA 2026-12-29 11:40:00; layover at BNA: 60 minutes.
    • WN1349: BNA 2026-12-29 12:40:00 → HOU 2026-12-29 14:50:00.
  • Southwest Airlines WN2055 / WN438: HOU 2026-12-30 14:45:00 → STL 2026-12-30 19:10:00; 1 stop(s) via AUS; 265 minutes. Local airport times.
    • WN2055: HOU 2026-12-30 14:45:00 → AUS 2026-12-30 15:40:00; layover at AUS: 85 minutes.
    • WN438: AUS 2026-12-30 17:05:00 → STL 2026-12-30 19:10:00.

2026-12-29 → 2026-12-30 · $336.00

  • Southwest Airlines WN4198 / WN4494: STL 2026-12-29 08:20:00 → HOU 2026-12-29 13:55:00; 1 stop(s) via SAT; 335 minutes. Local airport times.
    • WN4198: STL 2026-12-29 08:20:00 → SAT 2026-12-29 10:35:00; layover at SAT: 145 minutes.
    • WN4494: SAT 2026-12-29 13:00:00 → HOU 2026-12-29 13:55:00.
  • Southwest Airlines WN2055 / WN438: HOU 2026-12-30 14:45:00 → STL 2026-12-30 19:10:00; 1 stop(s) via AUS; 265 minutes. Local airport times.
    • WN2055: HOU 2026-12-30 14:45:00 → AUS 2026-12-30 15:40:00; layover at AUS: 85 minutes.
    • WN438: AUS 2026-12-30 17:05:00 → STL 2026-12-30 19:10:00.

2026-12-29 → 2026-12-30 · $348.00

  • Southwest Airlines WN1424: STL 2026-12-29 17:00:00 → HOU 2026-12-29 19:05:00; nonstop; 125 minutes. Local airport times.
  • Southwest Airlines WN2055 / WN438: HOU 2026-12-30 14:45:00 → STL 2026-12-30 19:10:00; 1 stop(s) via AUS; 265 minutes. Local airport times.
    • WN2055: HOU 2026-12-30 14:45:00 → AUS 2026-12-30 15:40:00; layover at AUS: 85 minutes.
    • WN438: AUS 2026-12-30 17:05:00 → STL 2026-12-30 19:10:00.

More dates for this route