Flights from Washington Airport IAD to St Louis Airport STL

We've found the cheapest flights to St Louis

Returns from £233.82

If you are looking to fly from Washington Dulles International to Lambert-St. Louis International you will find there are 7 airliners who offer this route. These include NetJets, Flexjet, Lufthansa, Brussels Airlines, United Express, Copa Airlines and Avianca. The flight time is approximately 2 Hours 8 Minutes.

Depending on the day of the week and the time of day you book, flight prices can vary dramatically. The cheapest flights available will generally be mid week or late in the evening, so if you are on a budget then these are the flight times you should consider. Alternatively, you could book well in advance and you flight could be up to 50% cheaper, especially with budget airliners. We advise all our viewers to book well in advance. This way you will get the low priced tickets available.

On arriving at Lambert-St. Louis International please note the time difference, the time zone at Lambert-St. Louis International is 6.0 GMT compared to 5.0 GMT at Washington Dulles International.

The table below displays the numbers of daily flights from Washington Dulles International (IAD) to Lambert-St. Louis International (STL) and the relevant airlines that fly.

Flights Chart
AirlinerMoTuWeThFrSaSuFirst FlightLast FlightFlights
United Express222222208:3217:50VIEW FLIGHTS
Copa Airlines222222208:3219:19VIEW FLIGHTS
Avianca222222208:3219:19VIEW FLIGHTS
Lufthansa111111117:5019:19VIEW FLIGHTS
Brussels Airlines111111117:5019:19VIEW FLIGHTS
NetJets010000014:0014:00VIEW FLIGHTS
Flexjet001000007:4007:40VIEW FLIGHTS

United Express is the most popular airliners who operate this route. They have around 14 a week with times that vary between 08:32 and 17:50.

To book your flight you can visit United Express on their website www.google.com/search?q=United Express. You will find up to date information on availability and the latest discounts.

Flight times for the route are summarised in the table below. These time were correct at the time of writing, but please be aware that times may vary from time to time so please check their website for exact times and the dates you wish to fly.

Flights Time In WeekDays
DayFlight TimesFlights
Monday
08:32
AirlineFlight  No
AviancaAV2344
Copa AirlinesCM2679
United ExpressUA4427
17:50
AirlineFlight  No
LufthansaLH9286
AviancaAV2342
Brussels AirlinesSN9012
Copa AirlinesCM2678
United ExpressUA4527
VIEW FLIGHTS
Tuesday
08:32
AirlineFlight  No
AviancaAV2344
Copa AirlinesCM2679
United ExpressUA4427
14:00
AirlineFlight  No
NetJetsEJA695
17:50
AirlineFlight  No
LufthansaLH9286
AviancaAV2342
Brussels AirlinesSN9012
Copa AirlinesCM2678
United ExpressUA4527
VIEW FLIGHTS
Wednesday
07:40
AirlineFlight  No
FlexjetLXJ588
08:32
AirlineFlight  No
AviancaAV2344
Copa AirlinesCM2679
United ExpressUA4427
17:50
AirlineFlight  No
LufthansaLH9286
AviancaAV2342
Brussels AirlinesSN9012
Copa AirlinesCM2678
United ExpressUA4527
VIEW FLIGHTS
Thursday
08:32
AirlineFlight  No
AviancaAV2344
Copa AirlinesCM2679
United ExpressUA4427
17:50
AirlineFlight  No
LufthansaLH9286
AviancaAV2342
Brussels AirlinesSN9012
Copa AirlinesCM2678
United ExpressUA4527
VIEW FLIGHTS
Friday
08:32
AirlineFlight  No
AviancaAV2344
Copa AirlinesCM2679
United ExpressUA4427
17:50
AirlineFlight  No
LufthansaLH9286
AviancaAV2342
Brussels AirlinesSN9012
Copa AirlinesCM2678
United ExpressUA4527
VIEW FLIGHTS
Saturday
08:32
AirlineFlight  No
AviancaAV2344
Copa AirlinesCM2679
United ExpressUA4427
17:50
AirlineFlight  No
LufthansaLH9286
AviancaAV2342
Brussels AirlinesSN9012
Copa AirlinesCM2678
United ExpressUA4527
VIEW FLIGHTS
Sunday
08:32
AirlineFlight  No
United ExpressUA4427
09:59
AirlineFlight  No
AviancaAV2344
Copa AirlinesCM2679
17:50
AirlineFlight  No
United ExpressUA4527
19:19
AirlineFlight  No
LufthansaLH9286
AviancaAV2342
Brussels AirlinesSN9012
Copa AirlinesCM2678
VIEW FLIGHTS

Instead of flying from Washington Dulles International you could consider a few airports that are close by. Please see that table below of alternative routes.

Alternative Direct Routes
RouteStopsDistanceFlying Time
Baltimore Washington Thurgood Marshall to St Louis Lambert02 Hours 12 Minutes
Washington Ronald Reagan Washington National to St Louis Lambert02 Hours 10 Minutes
Philadelphia to St Louis Lambert02 Hours 21 Minutes

If you are planning to hire a car from Lambert-St. Louis International airport then don’t wait until you arrive. The prices are typically 20% to 30% higher and the availability of vehicles are much lower. You can check out the solutions we have for car hire on our car hire pages which can save you £££’s.

Looking for the best hire car deals?

Find the best car rental in Dulles Virginia, United States

Flight Price FAQ - Washington (IAD) to St Louis (STL)

DIRECT United
What is the cheapest direct return flight from Washington IAD to St Louis STL?
The cheapest direct return flight from Washington IAD to St Louis STL is £233.82 ($293 €271.85)
£233.82
$293 | €271.85
Check Latest Price
1+ STOP(S)
What is the cheapest return flight from Washington IAD to St Louis STL?
The cheapest return flight from Washington IAD to St Louis STL is £142.05 ($178 €165.15)
£142.05
$178 | €165.15
Check Latest Price
Important Note: Prices shown are taken from searches performed for flights operating during the current month. Please use the "Latest Price" buttons to get the most up to date airfares.

Compare Flight Prices from IAD to STL

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Flight Info FAQ - Washington (IAD) to St Louis (STL)

Who flies from Washington to St Louis?
The following airlines fly from Washington (IAD) to St Louis (STL): Avianca, Brussels Airlines, Copa Airlines, Flexjet, Lufthansa, NetJets, United Express.
How far is the flight from Washington to St Louis?
The flight from Washington to St Louis is 1,118KM or 694 miles.
How long does the flight from Washington to St Louis to take?
The flight from Washington to St Louis takes 2 Hours 8 Minutes.

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