Airlines with flights from Houston to Saint Louis

There are three airlines with scheduled flights between IAH and STL. United is the only airline with non-stop flights from Houston Airport to Saint Louis Airport and the flight time is 2 hours and 6 minutes.

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Schedules

Non-stop with United Airlines

  • Total flight time: 2 hours and 6 minutes
  • Houston is a United Airlines hub.
  • 25 flights per week
  • First class available
IAH
Direct
STL

The timetable & schedule information was updated at 2024-12-13

Via Dallas with American Airlines

  • Total flight time: 3h 39m - 6h 32m.
  • One World Alliance
  • 58 flights per week
IAH
 
Via DFW
 
STL

The timetable & schedule information was updated at 2024-12-13

Via Dallas with Frontier Airlines

  • Total flight time: 4h 08m - 4h 35m.
  • Low-cost airline
IAH
 
Via DFW
 
STL

The timetable & schedule information was updated at 2024-12-13

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