The IAH to STL flight will be operated by American Airlines with a Airbus A321.
Flight time from IAH to STL for this particular option is 321 minutes.
Our flights from IAH to STL
There are currently 23 direct flights between IAH to STL each week, operated by 1 airline.
You can catch a flight from IAH to STL on any day of the week.
These airlines operate direct flights from IAH to STL: United Airlines.
The most common aircraft type flying between IAH to STL is Embraer RJ135/145.
The day with the most flights from IAH to STL is Sunday.
Our cheapest flight from IAH to STL was in August at just $323.