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Cheap flights from Washington to St Louis (WAS - STL)

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The best prices from Washington to St Louis are usually found in March or February, booked 45 days in advance, depart on a Tuesday or Saturday and return on a Saturday

$340
$320
$300
$271
Price
$271 - $344
Temperature
45 - 90 °F
Rainfall
2 - 5 inches
Most popular in July High demand for flights, 8% potential price rise
Cheapest in March Best time to find cheap flights, 2% potential price drop
Average price $286 Price for this month
Cheapest price $271 From Washington to St Louis

Washington to St Louis 2020 flight deals

Cheap flights to St Louis from Washington found for this year
24 Feb - 25 Feb
$174pp
BWI
Baltimore/Washington
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
BWI
Baltimore/Washington
21 Feb - 23 Feb
$188pp
BWI
Baltimore/Washington
Delta
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Delta
 
1 STOP
BWI
Baltimore/Washington
18 Jun - 24 Jun
$197pp
BWI
Baltimore/Washington
Delta
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Delta
 
1 STOP
BWI
Baltimore/Washington

Alternative routes for Washington to St Louis

Destination information for St Louis

Things to know before you go. Useful info for your trip from Washington to St Louis
Average temperature for January in St Louis
44.6 °F
Avg rainfall for January in St Louis
2.8 ″

Airports servicing Washington

Washington Dulles Intl (IAD)

Airports servicing St. Louis

Weekly flight availability
from Washington to St Louis
Sunday
4 daily flights
Monday
19 daily flights
Tuesday
21 daily flights
Wednesday
21 daily flights
Thursday
18 daily flights
Friday
19 daily flights
Saturday
2 daily flights

Related info for your journey

Useful info, stats and facts about Washington to St Louis flights.

Flight FAQs

From Washington to St Louis

What days are nonstop flights available from Washington to St Louis?

Days when nonstop flights are available for this flight are: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How popular is this flight route?

Within the past month, 17 users have taken a look at flights from Washington to Lambert-St Louis.

What percent of flights are delayed?

When booking remember that flights Washington to St Louis are typically delayed by 43min. so prepare as needed.

How many passenger seats are available on a flight on this route?

On average, there are a total of 607 seats offered from Washington to Lambert-St Louis per day.

What is the cheapest airline for this route?

American Airlines Inc. offers the cheapest flights from Washington to St Louis. Per day you can find on average 73 flights for this route and airline.

How long does the flight from Washington to St Louis take?

You can expect a flight time of up to 3 hours for nonstop. Airlines will travel a distance of up to 448 miles.

How many flights depart from Washington to St Louis on average per day?

On average 41 flights depart from Washington to Lambert-St Louis per day.
Early Morning (Midnight to 6am) - 2% of flight departures
Morning (6am - Noon) - 32% of flight departures
Afternoon (Noon - 6pm) - 39% of flight departures
Evening (6pm - Midnight) - 27% of flight departures

Is Washington weather warmer or cooler than St Louis?

Our data indicates that the weather will be 90 °F on average in the month of July. The temperature in St Louis is typically the same as in Washington. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.