- Cheapest roundtrip flight
- from€290
- Fastest flight
- non-stop flights
- 86x / week
- Flight distance
- 1,156 km
- Time difference
- Airports in Washington-DC
- Dulles International Airport, DC
- Ronald Reagan National Airport, VA
- Most popular airlines
- American Airlines
- Southwest Airlines
- United Airlines
- American Airlines
Flight schedule from St. Louis (STL) to Washington-DC (WAS)
Select a travel date in the flight schedule for the route from St. Louis (STL) to Washington-DC (WAS) and compare affordable flight deals.
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Matching outbound flightsSTL–WAS · 19 of 19
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- October 4 – 10, 2026
- October 11 – 17, 2026
- October 18 – 24, 2026
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- STLIADnonstop
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- STLIADnonstop
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Important flight information
Frequently Asked Questions (FAQ)
How long is the flight from St. Louis to Washington-DC?
A nonstop flight from St. Louis to Washington-DC typically takes around 1 hour 55 minutes. If you choose a connecting flight, allow more travel time. Typical one-stop itineraries take around 8 hours 14 minutes. For the quickest trip, a nonstop flight is usually the most comfortable choice.
Are there nonstop flights from St. Louis to Washington-DC?
Yes, there are nonstop flights from St. Louis to Washington-DC, averaging around 11 to 12 flights per day, operated by, among others, American Airlines, Southwest and United Airlines. If you want to fly without a layover, it is worth filtering specifically for nonstop flights when searching.
Which airlines fly from St. Louis to Washington-DC?
Direct flights from St. Louis to Washington-DC are operated by, among others, American Airlines, Southwest and United Airlines. Connecting flights with one stop are also available, for example with Delta (via Atlanta). If travel time matters to you, a direct flight is usually the most convenient option. Connecting flights often give you more choice of departure times and airlines.
On which days are there nonstop flights from St. Louis to Washington-DC?
Nonstop flights from St. Louis to Washington-DC operate daily. The schedule may vary by season, so it is worth comparing several travel dates. If your preferred day does not have a nonstop flight, nearby departure days or short connecting flights may be a good alternative.
How many flights are there per day from St. Louis to Washington-DC?
From St. Louis to Washington-DC, there are on average around 11 to 12 flights per day. This usually means you have a good choice of departure times. If you are flexible, you can easily compare times, prices, and airlines.
How many flights per week are there from St. Louis to Washington-DC?
From St. Louis to Washington-DC, there are around 81 to 82 flights per week. This means you usually have connections available on several days and at various times. Beyond the price, it is worth comparing flight duration, airline, and any potential additional fees.
When does the first flight from St. Louis to Washington-DC depart?
The earliest nonstop flight from St. Louis to Washington-DC usually departs at 6:00 AM. The exact departure time may vary by day of the week and airline. Early flights are especially useful if you want to make the most of your arrival day in Washington-DC.
When does the last flight from St. Louis to Washington-DC depart?
The last nonstop flight from St. Louis to Washington-DC usually departs at 8:00 PM. Late flights can be convenient if you want to travel after work or in the evening. Do check whether it is a nonstop flight, as a connecting itinerary could push the arrival time significantly later.