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IAD to STL (Washington to Saint Louis) Flights

Last Minute Flights from IAD to STL

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IAD to STL Flight Details

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

Origin IAD Washington Dulles International Airport
Destination STL Lambert-St. Louis International Airport
Distance 694.67 miles
Interesting Facts About Flights from Washington to Saint Louis (IAD to STL)
What airlines fly direct from IAD airport to STL airport?
Each month there are several airlines that offer direct flights from Washington (IAD) to Saint Louis (STL). Among the top airlines that consistently provide IAD to STL flights include:
  • United Airlines - (UA) with 210 direct flights between Washington and Saint Louis monthly
  • American Airlines - (AA) with 60 direct flights between IAD and STL monthly
  • Southwest Airlines - (WN) with 90 direct flights between Washington and Saint Louis monthly
  • Delta Air Lines - (DL) with 90 direct flights between IAD and STL monthly
How long does it take to fly from IAD to STL?
The total flight duration time from Washington (IAD) to Saint Louis (STL) is typically 6 hours 28 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 IAD to STL per day?
With 4 different airlines operating flights between Washington and Saint Louis, there are, on average, 450 flights per month. This equates to about 105 flights per week, and 15 flights per day from IAD to STL.
How many morning flights are there from IAD to STL?
  • Southwest Airlines - (WN) has about 1 flights before noon, starting with the earliest at 05:55AM PST and the latest 06:45AM PST
  • United Airlines - (UA) lists, on average, 4 flights departing before 12:00pm, where the first departure from IAD is at 07:00AM and the last departure before noon is at 11:15AM
  • Delta Air Lines - (DL) has about 1 flights before noon, starting with the earliest at 06:10AM PST and the latest 11:04AM PST
How many afternoon flights are available from Washington to Saint Louis?
  • Between 12pm PST and 6pm there are, on average, 2 direct flights provided by United Airlines, where the earliest departing flight is at 03:15PM PST and the last departing flight is at 05:45PM PST.
  • There are about 1 Southwest Airlines flights between 12pm PST and 6pm PST, beginning at 12:20PM PST and the last afternoon flight at 05:30PM PST.
  • There are about 3 Delta Air Lines flights between 12pm PST and 6pm PST, beginning at 01:00PM PST and the last afternoon flight at 05:15PM PST.
  • Between 12pm PST and 6pm there are, on average, 2 direct flights provided by American Airlines, where the earliest departing flight is at 12:00PM PST and the last departing flight is at 01:40PM PST.
How many evening flights are currently on sale from Washington Dulles International Airport to Lambert-St. Louis International Airport?
  • Delta Air Lines - (DL) lists 1 direct nighttime flights on average from Washington to Saint Louis.
  • United Airlines - (UA) with about 1 end of day scheduled flights between IAD and STL from 6:00pm to 11:00pm.
What is the flight distance from Washington to Saint Louis?
The calculated straight line flying distance from IAD airport to STL airport is 950 miles, or 1,529 kilometers.
What is the earliest departure time out of Washington to Saint Louis?
The earliest flight departs from IAD at 05:55AM and arrives at 11:20AM at STL.
What is the latest flight available from IAD to STL?
The latest departure time from IAD is scheduled at 07:47PM with an arrival time of 11:18PM at STL.

Washington to Saint Louis Flight Schedule

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Washington to Saint Louis Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from Washington to Saint Louis 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 IAD to STL, 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 Washington to Saint Louis, 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.

Frequently Traveled Flights from Washington, District of Columbia

Check out popular flights departing from Washington (IAD), and lock down the best airfare for your upcoming travel plans. Flights.com has researched and catalogued flights departing from Washington across many airlines, so quit waiting and book your trip with us!

Popular Flights from Saint Louis, Missouri

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Airlines

Check out popular airlines servicing Washington (IAD), and lock down the best fare for your upcoming travel plans. Flights.com makes it simple to find flights departing from Washington Dulles International Airport across many airlines, so quit waiting and book your trip with us!

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