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Saint Louis → Houston

Feb 12, 2027 · return Feb 15, 2027

STL → IAH1 adulteconomyRound trip

4 flight options · 3 airlines

Nonstop flights

Fri, Feb 12 – Mon, Feb 15

United Airlines
2:55 pmSTL
2h 24m
Nonstop
5:19 pmIAH
United Airlines
8:20 pmIAH
2h 6m
Nonstop
10:26 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Feb 12 – Mon, Feb 15

United Airlines
6:15 amSTL
2h 20m
Nonstop
8:35 amIAH
United Airlines
8:20 pmIAH
2h 6m
Nonstop
10:26 pmSTL

Round-trip total · 1 adult · Taxes included

One-stop flights

Fri, Feb 12 – Mon, Feb 15

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

Fri, Feb 12 – Mon, Feb 15

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 5, 2026 → Nov 8, 2026Nov 14, 2026 → Nov 21, 2026Nov 24, 2026 → Nov 29, 2026Dec 5, 2026 → Dec 12, 2026Dec 17, 2026 → Dec 20, 2026Dec 26, 2026 → Jan 2, 2027Jan 5, 2027 · One wayJan 16, 2027 → Jan 23, 2027Feb 5, 2027 → Feb 8, 2027Apr 3, 2027 → Apr 10, 2027Jun 26, 2027 → Jul 3, 2027Sep 17, 2027 → Sep 20, 2027
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)
2027-02-12 → 2027-02-15United AirlinesUA4075 / UA2804$350.002026-10-29T01:28:37Z
2027-02-12 → 2027-02-15Frontier AirlinesF94474 + F94075 / F94978 + F92635$195.002026-10-29T01:28:37Z
2027-02-12 → 2027-02-15American AirlinesAA5082 + AA2881 / AA2551 + AA5082$310.002026-10-29T01:28:37Z
2027-02-12 → 2027-02-15United AirlinesUA1371 / UA2804$350.002026-10-29T01:28:37Z

2027-02-12 → 2027-02-15 · $350.00

  • United Airlines UA4075: STL 2027-02-12 14:55:00 → IAH 2027-02-12 17:19:00; nonstop; 144 minutes. Local airport times.
  • United Airlines UA2804: IAH 2027-02-15 20:20:00 → STL 2027-02-15 22:26:00; nonstop; 126 minutes. Local airport times.

2027-02-12 → 2027-02-15 · $195.00

  • Frontier Airlines F94474 / F94075: STL 2027-02-12 18:21:00 → IAH 2027-02-13 00:26:00; 1 stop(s) via ATL; 365 minutes. Local airport times.
    • F94474: STL 2027-02-12 18:21:00 → ATL 2027-02-12 21:16:00; layover at ATL: 103 minutes.
    • F94075: ATL 2027-02-12 22:59:00 → IAH 2027-02-13 00:26:00.
  • Frontier Airlines F94978 / F92635: IAH 2027-02-15 18:23:00 → STL 2027-02-16 00:41:00; 1 stop(s) via MCO; 378 minutes. Local airport times.
    • F94978: IAH 2027-02-15 18:23:00 → MCO 2027-02-15 21:56:00; layover at MCO: 63 minutes.
    • F92635: MCO 2027-02-15 22:59:00 → STL 2027-02-16 00:41:00.

2027-02-12 → 2027-02-15 · $310.00

  • American Airlines AA5082 / AA2881: STL 2027-02-12 12:58:00 → IAH 2027-02-12 17:57:00; 1 stop(s) via DFW; 299 minutes. Local airport times.
    • AA5082: STL 2027-02-12 12:58:00 → DFW 2027-02-12 15:05:00; layover at DFW: 95 minutes.
    • AA2881: DFW 2027-02-12 16:40:00 → IAH 2027-02-12 17:57:00.
  • American Airlines AA2551 / AA5082: IAH 2027-02-15 06:00:00 → STL 2027-02-15 12:26:00; 1 stop(s) via DFW; 386 minutes. Local airport times.
    • AA2551: IAH 2027-02-15 06:00:00 → DFW 2027-02-15 07:33:00; layover at DFW: 179 minutes.
    • AA5082: DFW 2027-02-15 10:32:00 → STL 2027-02-15 12:26:00.

2027-02-12 → 2027-02-15 · $350.00

  • United Airlines UA1371: STL 2027-02-12 06:15:00 → IAH 2027-02-12 08:35:00; nonstop; 140 minutes. Local airport times.
  • United Airlines UA2804: IAH 2027-02-15 20:20:00 → STL 2027-02-15 22:26:00; nonstop; 126 minutes. Local airport times.

More dates for this route