Cheap Flights from Washington to St. Louis from

1 adult
Mon 25/10
Mon 1/11

Flight information for Washington to St. Louis
(WAS to STL)

Find info about flight duration, direct flights, and airports for your flight from Washington to St. Louis
Fastest flight time2h 20mThe fastest flight from Washington to St. Louis takes 2h 20m
Direct flightsSatDirect flights go from Washington to St. Louis on Saturday. Airlines offering direct flights are: Southwest and American Airlines.
Airports in St. Louis1 airportThere is 1 airport near St. Louis: Lambert-St Louis (STL)

How to get the cheapest flight ticket from Washington to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from Washington to St. Louis?


The cheapest time of year to fly to St. Louis from Washington is July. The most expensive is January.

How far in advance should you book Washington to St. Louis flights?

31 days before

The cheapest time to buy a flight from Washington to St. Louis is approximately 31 days to departure

  • How far is Washington to Lambert-St Louis by plane?

    The distance between Washington and Lambert-St Louis is about 1139,8 km.