Our flights from STL to IAD
There are currently 22 direct flights between STL to IAD each week, operated by 1 airline.
You can catch a flight from STL to IAD on any day of the week.
These airlines operate direct flights from STL to IAD: United Airlines.
The most common aircraft type flying between STL to IAD is Embraer RJ135/145.
The day with the most flights from STL to IAD is Thursday.
Our cheapest flight from STL to IAD was in September at just $219.