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Saint Louis → Houston

Dec 17, 2026 · return Dec 18, 2026

STL → HOU1 adulteconomyRound trip

8 flight options · 1 airline

Nonstop flights

Thu, Dec 17 – Fri, Dec 18

Southwest Airlines
5:00 pmSTL
2h 5m
Nonstop
7:05 pmHOU
Southwest Airlines
11:05 amHOU
2h
Nonstop
1:05 pmSTL

Round-trip total · 1 adult · Taxes included

Thu, Dec 17 – Fri, Dec 18

Southwest Airlines
5:00 amSTL
2h
Nonstop
7:00 amHOU
Southwest Airlines
11:05 amHOU
2h
Nonstop
1:05 pmSTL

Round-trip total · 1 adult · Taxes included

One-stop flights

Thu, Dec 17 – Fri, Dec 18

Southwest Airlines
8:20 amSTL
4h 55m
OMA · 1h 20m
1:15 pmHOU
Southwest Airlines
11:05 amHOU
2h
Nonstop
1:05 pmSTL

Round-trip total · 1 adult · Taxes included

Thu, Dec 17 – Fri, Dec 18

Southwest Airlines
4:30 pmSTL
5h 15m
ATL · 1h 30m
9:45 pmHOU
Southwest Airlines
11:05 amHOU
2h
Nonstop
1:05 pmSTL

Round-trip total · 1 adult · Taxes included

Thu, Dec 17 – Fri, Dec 18

Southwest Airlines
8:20 amSTL
5h 35m
SAT · 2h 25m
1:55 pmHOU
Southwest Airlines
11:05 amHOU
2h
Nonstop
1:05 pmSTL

Round-trip total · 1 adult · Taxes included

Thu, Dec 17 – Fri, Dec 18

Southwest Airlines
1:15 pmSTL
5h 50m
PNS · 2h 30m
7:05 pmHOU
Southwest Airlines
11:05 amHOU
2h
Nonstop
1:05 pmSTL

Round-trip total · 1 adult · Taxes included

Thu, Dec 17 – Fri, Dec 18

Southwest Airlines
8:35 amSTL
4h 5m
DAL · 1h 10m
12:40 pmHOU
Southwest Airlines
11:05 amHOU
2h
Nonstop
1:05 pmSTL

Round-trip total · 1 adult · Taxes included

Thu, Dec 17 – Fri, Dec 18

Southwest Airlines
10:35 amSTL
4h 15m
BNA · 1h
2:50 pmHOU
Southwest Airlines
11:05 amHOU
2h
Nonstop
1:05 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.

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More dates

All dates for this routeNov 24, 2026 → Nov 29, 2026Dec 22, 2026 → Dec 27, 2026Dec 30, 2026 → Jan 2, 2027Jan 15, 2027 → Jan 18, 2027Oct 30, 2026 → Nov 2, 2026Oct 31, 2026 → Nov 7, 2026Nov 27, 2026 → Nov 30, 2026Nov 28, 2026 → Dec 5, 2026Dec 25, 2026 → Dec 28, 2026Dec 26, 2026 → Jan 2, 2027Jan 22, 2027 → Jan 25, 2027Oct 30, 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)
2026-12-17 → 2026-12-18Southwest AirlinesWN1424 / WN2174$345.002026-10-29T01:28:36Z
2026-12-17 → 2026-12-18Southwest AirlinesWN4149 / WN2174$345.002026-10-29T01:28:36Z
2026-12-17 → 2026-12-18Southwest AirlinesWN3286 + WN1523 / WN2174$335.002026-10-29T01:28:36Z
2026-12-17 → 2026-12-18Southwest AirlinesWN3091 + WN4496 / WN2174$335.002026-10-29T01:28:36Z
2026-12-17 → 2026-12-18Southwest AirlinesWN4198 + WN4494 / WN2174$335.002026-10-29T01:28:36Z
2026-12-17 → 2026-12-18Southwest AirlinesWN4111 + WN518 / WN2174$335.002026-10-29T01:28:36Z
2026-12-17 → 2026-12-18Southwest AirlinesWN1327 + WN19 / WN2174$335.002026-10-29T01:28:36Z
2026-12-17 → 2026-12-18Southwest AirlinesWN665 + WN1349 / WN2174$335.002026-10-29T01:28:36Z

2026-12-17 → 2026-12-18 · $345.00

  • Southwest Airlines WN1424: STL 2026-12-17 17:00:00 → HOU 2026-12-17 19:05:00; nonstop; 125 minutes. Local airport times.
  • Southwest Airlines WN2174: HOU 2026-12-18 11:05:00 → STL 2026-12-18 13:05:00; nonstop; 120 minutes. Local airport times.

2026-12-17 → 2026-12-18 · $345.00

  • Southwest Airlines WN4149: STL 2026-12-17 05:00:00 → HOU 2026-12-17 07:00:00; nonstop; 120 minutes. Local airport times.
  • Southwest Airlines WN2174: HOU 2026-12-18 11:05:00 → STL 2026-12-18 13:05:00; nonstop; 120 minutes. Local airport times.

2026-12-17 → 2026-12-18 · $335.00

  • Southwest Airlines WN3286 / WN1523: STL 2026-12-17 08:20:00 → HOU 2026-12-17 13:15:00; 1 stop(s) via OMA; 295 minutes. Local airport times.
    • WN3286: STL 2026-12-17 08:20:00 → OMA 2026-12-17 09:35:00; layover at OMA: 80 minutes.
    • WN1523: OMA 2026-12-17 10:55:00 → HOU 2026-12-17 13:15:00.
  • Southwest Airlines WN2174: HOU 2026-12-18 11:05:00 → STL 2026-12-18 13:05:00; nonstop; 120 minutes. Local airport times.

2026-12-17 → 2026-12-18 · $335.00

  • Southwest Airlines WN3091 / WN4496: STL 2026-12-17 16:30:00 → HOU 2026-12-17 21:45:00; 1 stop(s) via ATL; 315 minutes. Local airport times.
    • WN3091: STL 2026-12-17 16:30:00 → ATL 2026-12-17 19:00:00; layover at ATL: 90 minutes.
    • WN4496: ATL 2026-12-17 20:30:00 → HOU 2026-12-17 21:45:00.
  • Southwest Airlines WN2174: HOU 2026-12-18 11:05:00 → STL 2026-12-18 13:05:00; nonstop; 120 minutes. Local airport times.

2026-12-17 → 2026-12-18 · $335.00

  • Southwest Airlines WN4198 / WN4494: STL 2026-12-17 08:20:00 → HOU 2026-12-17 13:55:00; 1 stop(s) via SAT; 335 minutes. Local airport times.
    • WN4198: STL 2026-12-17 08:20:00 → SAT 2026-12-17 10:35:00; layover at SAT: 145 minutes.
    • WN4494: SAT 2026-12-17 13:00:00 → HOU 2026-12-17 13:55:00.
  • Southwest Airlines WN2174: HOU 2026-12-18 11:05:00 → STL 2026-12-18 13:05:00; nonstop; 120 minutes. Local airport times.

2026-12-17 → 2026-12-18 · $335.00

  • Southwest Airlines WN4111 / WN518: STL 2026-12-17 13:15:00 → HOU 2026-12-17 19:05:00; 1 stop(s) via PNS; 350 minutes. Local airport times.
    • WN4111: STL 2026-12-17 13:15:00 → PNS 2026-12-17 14:55:00; layover at PNS: 150 minutes.
    • WN518: PNS 2026-12-17 17:25:00 → HOU 2026-12-17 19:05:00.
  • Southwest Airlines WN2174: HOU 2026-12-18 11:05:00 → STL 2026-12-18 13:05:00; nonstop; 120 minutes. Local airport times.

2026-12-17 → 2026-12-18 · $335.00

  • Southwest Airlines WN1327 / WN19: STL 2026-12-17 08:35:00 → HOU 2026-12-17 12:40:00; 1 stop(s) via DAL; 245 minutes. Local airport times.
    • WN1327: STL 2026-12-17 08:35:00 → DAL 2026-12-17 10:20:00; layover at DAL: 70 minutes.
    • WN19: DAL 2026-12-17 11:30:00 → HOU 2026-12-17 12:40:00.
  • Southwest Airlines WN2174: HOU 2026-12-18 11:05:00 → STL 2026-12-18 13:05:00; nonstop; 120 minutes. Local airport times.

2026-12-17 → 2026-12-18 · $335.00

  • Southwest Airlines WN665 / WN1349: STL 2026-12-17 10:35:00 → HOU 2026-12-17 14:50:00; 1 stop(s) via BNA; 255 minutes. Local airport times.
    • WN665: STL 2026-12-17 10:35:00 → BNA 2026-12-17 11:40:00; layover at BNA: 60 minutes.
    • WN1349: BNA 2026-12-17 12:40:00 → HOU 2026-12-17 14:50:00.
  • Southwest Airlines WN2174: HOU 2026-12-18 11:05:00 → STL 2026-12-18 13:05:00; nonstop; 120 minutes. Local airport times.

More dates for this route