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United States
Lambert-Saint Louis International Airport
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United States
Washington Dulles International Airport
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Scan through all non-stop flights from St. Louis to Washington. The full flight schedule below gives an overview of all non-stop flights from STL to IAD, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
Currently, there is only one airline operating non-stop flights from St. Louis STL to Washington IAD, which is United Airlines. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their STL IAD flight schedule.
Flights from STL to IAD are operated 10 times a week, with an average of 1 flight per day. Departure times vary between 08:25 - 13:04. The earliest flight departs at 08:25, the last flight departs at 13:04. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight).
The fastest direct flight from St. Louis to Washington takes 2 hours and 6 minutes. The flight distance between St. Louis and Washington is 694 miles (or 1,117 km).
There are 3 airports in Washington: Washington Dulles International Airport (IAD), Ronald Reagan Washington National Airport (DCA) and Baltimore/Washington International Thurgood Marshall Ai (BWI).
There are 10 flights per week flying from St. Louis to Washington (as of April 2024).
2 hours and 6 minutes is the average flight time from St. Louis to Washington.
The distance from St. Louis to Washington is 694 miles (1,117 kilometers).
United Airlines is the only airline flying nonstop from St. Louis to Washington.
Star Alliance is currently the only alliance flying nonstop from St. Louis to Washington.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from St. Louis to Washington:
The earliest flight departs at 08:25 from St. Louis and arrives at 11:35 at Washington.
The latest flight departs at 13:04 from St. Louis and arrives at 16:14 at Washington.
694 miles (1,117 km) · 2h 6m
08:27
11:37
United Airlines
Star Alliance
UA 4506
United Airlines
Bombardier CRJ 550
Y
W
J
F
13:00
16:10
United Airlines
Star Alliance
UA 4454
United Airlines
Bombardier CRJ 550
Y
W
J
F
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