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Saint Louis → Houston

Dec 27, 2026 · return Dec 30, 2026

STL → IAH1 adulteconomyRound trip

4 flight options · 3 airlines

Nonstop flights

Sun, Dec 27 – Wed, Dec 30

United Airlines
6:15 amSTL
2h 23m
Nonstop
8:38 amIAH
United Airlines
8:00 amIAH
2h 2m
Nonstop
10:02 amSTL

Round-trip total · 1 adult · Taxes included

Sun, Dec 27 – Wed, Dec 30

United Airlines
3:00 pmSTL
2h 25m
Nonstop
5:25 pmIAH
United Airlines
8:00 amIAH
2h 2m
Nonstop
10:02 amSTL

Round-trip total · 1 adult · Taxes included

One-stop flights

Sun, Dec 27 – Wed, Dec 30

Frontier Airlines
6:21 pmSTL
6h 5m
ATL · 1h 43m
12:26 am+1IAH
Frontier Airlines
6:23 pmIAH
6h 18m
MCO · 1h 3m
12:41 am+1STL

Round-trip total · 1 adult · Taxes included

Sun, Dec 27 – Wed, Dec 30

American Airlines
12:58 pmSTL
4h 59m
DFW · 1h 35m
5:57 pmIAH
American Airlines
6:00 amIAH
6h 26m
DFW · 2h 59m
12:26 pmSTL

Round-trip total · 1 adult · Taxes included

Make this trip yours

STL ⇄ IAH

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)
2026-12-27 → 2026-12-30United AirlinesUA1371 / UA6214$490.002026-10-29T01:28:37Z
2026-12-27 → 2026-12-30Frontier AirlinesF94474 + F94075 / F94978 + F92635$273.002026-10-29T01:28:37Z
2026-12-27 → 2026-12-30American AirlinesAA5082 + AA2881 / AA2551 + AA5082$434.002026-10-29T01:28:37Z
2026-12-27 → 2026-12-30United AirlinesUA6265 / UA6214$490.002026-10-29T01:28:37Z

2026-12-27 → 2026-12-30 · $490.00

  • United Airlines UA1371: STL 2026-12-27 06:15:00 → IAH 2026-12-27 08:38:00; nonstop; 143 minutes. Local airport times.
  • United Airlines UA6214: IAH 2026-12-30 08:00:00 → STL 2026-12-30 10:02:00; nonstop; 122 minutes. Local airport times.

2026-12-27 → 2026-12-30 · $273.00

  • Frontier Airlines F94474 / F94075: STL 2026-12-27 18:21:00 → IAH 2026-12-28 00:26:00; 1 stop(s) via ATL; 365 minutes. Local airport times.
    • F94474: STL 2026-12-27 18:21:00 → ATL 2026-12-27 21:16:00; layover at ATL: 103 minutes.
    • F94075: ATL 2026-12-27 22:59:00 → IAH 2026-12-28 00:26:00.
  • Frontier Airlines F94978 / F92635: IAH 2026-12-30 18:23:00 → STL 2026-12-31 00:41:00; 1 stop(s) via MCO; 378 minutes. Local airport times.
    • F94978: IAH 2026-12-30 18:23:00 → MCO 2026-12-30 21:56:00; layover at MCO: 63 minutes.
    • F92635: MCO 2026-12-30 22:59:00 → STL 2026-12-31 00:41:00.

2026-12-27 → 2026-12-30 · $434.00

  • American Airlines AA5082 / AA2881: STL 2026-12-27 12:58:00 → IAH 2026-12-27 17:57:00; 1 stop(s) via DFW; 299 minutes. Local airport times.
    • AA5082: STL 2026-12-27 12:58:00 → DFW 2026-12-27 15:05:00; layover at DFW: 95 minutes.
    • AA2881: DFW 2026-12-27 16:40:00 → IAH 2026-12-27 17:57:00.
  • American Airlines AA2551 / AA5082: IAH 2026-12-30 06:00:00 → STL 2026-12-30 12:26:00; 1 stop(s) via DFW; 386 minutes. Local airport times.
    • AA2551: IAH 2026-12-30 06:00:00 → DFW 2026-12-30 07:33:00; layover at DFW: 179 minutes.
    • AA5082: DFW 2026-12-30 10:32:00 → STL 2026-12-30 12:26:00.

2026-12-27 → 2026-12-30 · $490.00

  • United Airlines UA6265: STL 2026-12-27 15:00:00 → IAH 2026-12-27 17:25:00; nonstop; 145 minutes. Local airport times.
  • United Airlines UA6214: IAH 2026-12-30 08:00:00 → STL 2026-12-30 10:02:00; nonstop; 122 minutes. Local airport times.

More dates for this route