Flying from Washington Dulles International Airport (IAD) to Lambert-St. Louis International Airport (STL): what you need to know
The average duration of a direct flight from Washington Dulles International Airport to Lambert-St. Louis International Airport is 2 hours 25 minutes.
St Louis is one hour behind Washington DC and observes the UTC-5 timezone.
Flights from IAD to STL start from 08:15 — the earliest with United Airlines. The last departure is at 18:39 with United Airlines. Overall, you can choose from 20 weekly Washington Dulles International Airport to Lambert-St. Louis International Airport flights.
To ensure you get on your IAD to STL flight, allow plenty of time for things like baggage drop and finding your gate. Arriving two hours ahead of international departures and one hour before domestic flights is the standard rule.
Travelling during a peak month like April? Public holidays and other high seasons can mean longer queues at airport checkpoints. Be extra cautious and arrive up to four hours ahead of international flights and two hours before domestic departures.
Jetting into St Louis (and then discovering more of United States!) is a breeze with United Airlines. This popular airline offers direct flights from Washington Dulles International Airport to Lambert-St. Louis International Airport.
United Airlines has the highest passenger demand on this route.
United Airlines is the most punctual carrier that operates IAD to STL flights, with 78.15% of its services landing on schedule.
Think about adding a stopover when booking your ticket from Washington Dulles International Airport to Lambert-St. Louis International Airport. Simply uncheck 'Direct flights only' to break up your journey, or visit a new city along the way. Here's where you can stop between IAD and STL:
Pittsburgh International Airport
Detroit Metropolitan Wayne County Airport
Cleveland Hopkins International Airport
How to find the cheapest flights from Washington Dulles International Airport (IAD) to Lambert-St. Louis International Airport (STL)
Right now, £52 is the cheapest price we've seen for a one-way Washington Dulles International Airport to Lambert-St. Louis International Airport flight. The best price for a return ticket is £119. Keep in mind that fares can change due to demand when booking.
To pick up cheap tickets from IAD to STL, book your trip six months ahead of your departure date.
May is the cheapest month for flights from Washington Dulles International Airport to Lambert-St. Louis International Airport. If you want to fly at a different time of year, the 'Whole month' tool will give you the lowest airfares for each month.
You don't need to check every day to find out if fares have gone down when you create a Price Alert. We'll notify you as soon as there's a better deal on cheap flights from IAD to STL.
Tailor your trip using filters. Pick your preferred arrival and departure times, total journey duration and airlines. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest' flights from Washington Dulles International Airport to Lambert-St. Louis International Airport.
Handy information about Washington Dulles International Airport (IAD)
IAD's address is 1 Saarinen Circle.
74.39% of flights leaving from Washington Dulles International Airport land at their destination on time.
To reach Washington Dulles International Airport from central Washington DC, it takes around 50 minutes by car. Of course, this depends on traffic. It's approximately 35 miles from the airport to the city centre.
Catching public transport? Expect a journey time of around 3 hours 25 minutes.
Booked an early flight from Washington Dulles International Airport to Lambert-St. Louis International Airport? Avoid the hassle of rushing to the airport (and get some extra shut-eye) by picking one of these hotels near IAD:
Arriving at Lambert-St. Louis International Airport (STL)
If you're landing on a late Washington Dulles International Airport to Lambert-St. Louis International Airport flight, nothing tops the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and resting not long after at one of these options near STL:
Follow your own route with a Lambert-St. Louis International Airport rental car. Book your wheels from Hertz, Budget or Alamo and chase adventure across St Louis and beyond.
Reserving your ride from Lambert-St. Louis International Airport about one week ahead can help you secure the lowest rate.
Getting from Lambert-St. Louis International Airport (STL) to central St Louis
STL is located at 10701 Lambert International Blvd..
From Lambert-St. Louis International Airport, St Louis is approximately 16 miles away. It takes around 20 minutes to drive to the centre.
It'll take around 35 minutes when travelling by public transport.
When to fly to Lambert-St. Louis International Airport (STL)
It's time to plan your trip dates for your flight from Washington Dulles International Airport to Lambert-St. Louis International Airport. July is the most popular month to visit St Louis. If you want a more laid-back vibe, go in April.
Before locking in your flight from Washington Dulles International Airport to Lambert-St. Louis International Airport, think about the type of weather you enjoy. July is the warmest month in St Louis, with the temperature ranging from 17ºC (63ºF) to 33ºC (91ºF).
January has average temperatures of between -8ºC (18ºF) and 7ºC (45ºF). Look for cheap tickets from IAD to STL sometime around then if you want to travel when it's cooler.
Explore more of United States
Chicago is just one of the many places in United States waiting to be explored once you've seen St Louis. Around 260 miles away to the north-east, well-known attractions include Millennium Park, Art Institute of Chicago and LandShark Beer Garden at Navy Pier.
Around 230 miles east of St Louis, Indianapolis is another favourite stop in United States. Experience this destination's highlights firsthand at The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo.
