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STL to IAD (Saint Louis to Washington) Flights

Last Minute Flights from STL to IAD

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STL to IAD Flight Details

Distance and aircraft type by airline for flights from Lambert-St. Louis International Airport to Washington Dulles International Airport.

Origin STL Lambert-St. Louis International Airport
Destination IAD Washington Dulles International Airport
Distance 694.67 miles
Interesting Facts About Flights from Saint Louis to Washington (STL to IAD)
What airlines fly direct from STL airport to IAD airport?
Each month there are several airlines that offer direct flights from Saint Louis (STL) to Washington (IAD). Among the top airlines that consistently provide STL to IAD flights include:
  • Southwest Airlines - (WN) with 90 direct flights between Saint Louis and Washington monthly
  • Delta Air Lines - (DL) with 60 direct flights between STL and IAD monthly
  • Cape Air - (9K) with 30 direct flights between Saint Louis and Washington monthly
  • United Airlines - (UA) with 90 direct flights between STL and IAD monthly
  • American Airlines - (AA) with 90 direct flights between Saint Louis and Washington monthly
How long does it take to fly from STL to IAD?
The total flight duration time from Saint Louis (STL) to Washington (IAD) is typically 7 hours 15 minutes. This is the average non-stop flight time based upon historical flights for this route. During this period travelers can expect to fly about 950 miles, or 1,529 kilometers.
How many flights are there from STL to IAD per day?
With 5 different airlines operating flights between Saint Louis and Washington, there are, on average, 390 flights per month. This equates to about 91 flights per week, and 13 flights per day from STL to IAD.
How many morning flights are there from STL to IAD?
  • United Airlines - (UA) has about 2 flights before noon, starting with the earliest at 06:47AM PST and the latest 11:30AM PST
  • Cape Air - (9K) lists, on average, 1 flights departing before 12:00pm, where the first departure from STL is at 09:25AM and the last departure before noon is at 09:25AM
  • Southwest Airlines - (WN) lists, on average, 1 flights departing before 12:00pm, where the first departure from STL is at 08:50AM and the last departure before noon is at 08:50AM
  • Delta Air Lines - (DL) lists, on average, 1 flights departing before 12:00pm, where the first departure from STL is at 07:35AM and the last departure before noon is at 10:45AM
  • American Airlines - (AA) has about 3 flights before noon, starting with the earliest at 07:41AM PST and the latest 10:51AM PST
How many afternoon flights are available from Saint Louis to Washington?
  • Between 12pm PST and 6pm there are, on average, 2 direct flights provided by Southwest Airlines, where the earliest departing flight is at 02:55PM PST and the last departing flight is at 04:40PM PST.
  • There are about 1 United Airlines flights between 12pm PST and 6pm PST, beginning at 01:35PM PST and the last afternoon flight at 03:15PM PST.
  • There are about 1 Cape Air flights between 12pm PST and 6pm PST, beginning at 01:17PM PST and the last afternoon flight at 01:17PM PST.
  • Between 12pm PST and 6pm there are, on average, 1 direct flights provided by Delta Air Lines, where the earliest departing flight is at 01:00PM PST and the last departing flight is at 05:15PM PST.
How many evening flights are currently on sale from Lambert-St. Louis International Airport to Washington Dulles International Airport?
  • Delta Air Lines - (DL) with about 1 end of day scheduled flights between STL and IAD from 6:00pm to 11:00pm.
What is the flight distance from Saint Louis to Washington?
The calculated straight line flying distance from STL airport to IAD airport is 950 miles, or 1,529 kilometers.
What is the earliest departure time out of Saint Louis to Washington?
The earliest flight departs from STL at 06:47AM and arrives at 09:50AM at IAD.
What is the latest flight available from STL to IAD?
The latest departure time from STL is scheduled at 06:40PM with an arrival time of 11:40PM at IAD.

Saint Louis to Washington Flight Schedule

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Saint Louis to Washington Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from Saint Louis to Washington to attend your cousin’s wedding, to pitch a business idea to your boss, or perhaps simply to treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find the cheapest flights from STL to IAD, we’ve got you covered here at Flights.com.

We present you with some of the hottest deals on airfare so stop that Google flights search. We want you to spend less on your flight from Saint Louis to Washington, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.

Cheap STL to IAD Tickets Calendar

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Frequently Traveled Flights from Saint Louis, Missouri

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Popular Flights from Washington, District of Columbia

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Airlines

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