Our flights from STL to IAH
There are currently 21 direct flights between STL to IAH each week, operated by 1 airline.
You can catch a flight from STL to IAH on any day of the week.
These airlines operate direct flights from STL to IAH: United Airlines.
The most common aircraft type flying between STL to IAH is Embraer E175.
The day with the most flights from STL to IAH is Thursday.
Our cheapest flight from STL to IAH was in August at just $312.