Flights operate between Washington (IAD) and Saint Louis (STL).
1 airline operates this route with 2 flights daily flights.
Average flight time is 2h 23m - 2h 38m.
Route distance is 698 miles (1123 km).
Route Distance
698 miles (1123 km)
Average Duration
2h 23m - 2h 38m
Airlines Operating This Route
United Airlines
Flight Frequency
Daily Flights
2 flights
Weekly Flights
14
Typical Departure Time Ranges
Earliest Departure
08:40
Latest Departure
17:50
Flight Schedule & Filters
Flight Schedule Calendar
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Direct (non-stop) flights from Washington (IAD) to Saint Louis (STL)
Direct (non-stop) flights operate between Washington (IAD) and Saint Louis (STL). This popular route is operated by 1 airline, offering multiple daily departures.• Flight Duration: 2h 23m - 2h 38m (average flight time)• Distance: 698 miles (1123 km) (air miles between airports)• Daily Flights: 2 flights (scheduled departures per day)
Washington (IAD)
US
Saint Louis (STL)
US
FLIGHT TIME
2h 23m - 2h 38m
FLIGHT DISTANCE
698 miles (1123 km)
2h 26m - 2h 27m
08:40
17:50
698 miles (1123 km)
January
1 (Show)
14
Flight Schedule
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Airlines with direct flights from Washington (IAD) to Saint Louis (STL)
Weather at Saint Louis (STL)
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Frequently Asked Questions
Do flights operate between IAD and STL?
Yes. 2 direct flights operate between Washington (IAD) and St Louis (STL).
Which airlines operate this route?
1 airline operates this route: United Airlines.
How many flights operate daily?
2 flights flights operate daily on this route.
What is the average flight duration?
The average flight duration is 2h 23m - 2h 38m.
Is this route operated year-round?
This route operates with 2 flights daily flights.
Route data verified regularly by Triposia Travel Research Team.