Direct flights from Dulles to Saint Louis
All flights from IAD to STL non-stop. There are direct flights from Washington Dulles International (IAD), Virginia, USA to Saint Louis Airport (STL), Missouri, USA with United Airlines. 14 weekly departures are currently scheduled on this route. Departure times range from 08:15 to 22:10 depending on the schedule period. The flight distance is 698 miles (1123 km). Flight time ranges from 2 hours and 14 minutes to 2 hours and 32 minutes.
Dulles
, USA
Flight schedule from Dulles to Saint Louis with United Airlines
This is a weekly direct flight schedule for United Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-07-12
Dulles to Saint Louis scheduled departures
Select a date to see every published non-stop departure between IAD and STL.
IAD - STL route facts
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Distance698 miles (1123 km)
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Flight time2 hours and 14 minutes to 2 hours and 32 minutes
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Airline United
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Airline alliancesStar Alliance
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CabinsEconomy First
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Hub airportsIAD (Secondary hub.)
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Arrival terminalsTerminal 1
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AircraftCanadair (Bombardier) Regional Jet 550
Route FAQ
Nearby airports that offer flights to Saint Louis (STL)
From Reagan National (DCA)
44 flights per week
Direct flights from Dulles to MO, USA
From Dulles to Kansas City
MCI Kansas City International Airport
