Cheap flights from Houston to Saint Louis

Direct flight: 1,075 km, ~1h 16m from Houston (IAH) to Saint Louis (STL).

Last updated · By

Live fares · IAH → STL

Frequently asked questions

  • How long is the flight from Houston to Saint Louis?

    Direct flights from IAH to STL cover approximately 1,075 km (668 miles), with an estimated flight time of 1h 16m. Operating airlines: UA.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.

Full route page: IAH → STL Cheapest month to fly to Saint Louis All flights from Houston All flights to Saint Louis Flights to USA Visa-free with USA passport UA routes