Flying from Lambert-St. Louis International Airport (STL) to Washington Dulles International Airport (IAD): what you need to know
Around 2 hours 10 minutes is how long you'll be travelling on a direct flight from Lambert-St. Louis International Airport to Washington Dulles International Airport.
The timezone in Washington DC is UTC-4, which is one hour ahead of St Louis.
Flights from STL to IAD start from 08:25 — the first with United Airlines. The last departure is at 13:15 with United Airlines. Overall, you can take your pick of 20 weekly Lambert-St. Louis International Airport to Washington Dulles International Airport flights.
Give yourself enough time to make your STL to IAD flight. It's generally best to arrive two hours before international departures and an hour ahead for domestic flights.
You can expect longer queues in popular months such as July. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a wise move.
United Airlines has direct flights from Lambert-St. Louis International Airport to Washington Dulles International Airport. Book with this popular carrier, then get ready to see the sights in Washington DC — and maybe even more of United States if your schedule allows.
United Airlines is the airline most travellers choose for this route.
United Airlines is the most punctual carrier offering STL to IAD flights, with 75.41% of its services arriving as planned.
If you want to break up your flight, simply deselect 'Direct flights only' when searching for your ticket from Lambert-St. Louis International Airport to Washington Dulles International Airport. These are the most popular stopovers between STL and IAD:
Nashville International Airport
Detroit Metropolitan Wayne County Airport
Hartsfield-Jackson Atlanta International Airport
How to find the cheapest flights from Lambert-St. Louis International Airport (STL) to Washington Dulles International Airport (IAD)
The cheapest price we've found for a one-way Lambert-St. Louis International Airport to Washington Dulles International Airport flight is Rs20,414. A return ticket is currently Rs40,242. Depending on the availability when you book, these fares may change.
Score cheap tickets from STL to IAD by booking at least seven months ahead. According to our research, that's the sweet spot for finding a bargain.
Organise your trip for June. That's the cheapest month for flights from Lambert-St. Louis International Airport to Washington Dulles International Airport. If you're flexible with your dates, try out the 'Whole month' tool to see the cheapest price across each month.
Finding cheap flights from STL to IAD is a cinch with Price Alerts. Simply set up one of these automatic alerts and we'll notify you as soon as fares go down.
Lock in the right flight for you by using the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Lambert-St. Louis International Airport to Washington Dulles International Airport, use the 'Sort by' tool. You can also filter results by airline, arrival and departure times, and journey duration.
Handy information about Lambert-St. Louis International Airport (STL)
STL is located at 10701 Lambert International Blvd..
Of the departures from Lambert-St. Louis International Airport, 78.04% land on schedule at their destination.
Lambert-St. Louis International Airport is about 26 kilometres from central St Louis. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 20 minutes or so to arrive, depending on the traffic.
Planning to take public transport? Expect a trip time of around 35 minutes.
Searching for a convenient hotel near STL? If you're boarding an early flight from Lambert-St. Louis International Airport to Washington Dulles International Airport, these accommodation options will have you sleeping moments from your departure lounge:
Arriving at Washington Dulles International Airport (IAD)
The last thing you want is a long journey to your hotel if you're landing late on a Lambert-St. Louis International Airport to Washington Dulles International Airport flight. Reserve one of these accommodation options near IAD instead:
Begin your adventure by picking up a Washington Dulles International Airport rental car. Grab your wheels from Dollar, Thrifty or Sixt to explore Washington DC and beyond.
Reserving your ride from Washington Dulles International Airport about one week ahead gives you the best chance of locking in a great deal.
Getting from Washington Dulles International Airport (IAD) to central Washington DC
IAD is located at 1 Saarinen Circle.
Washington Dulles International Airport is approximately 56 kilometres from the centre of Washington DC. The drive time takes about 50 minutes.
Travelling on public transport typically takes 3 hours 25 minutes.
When to fly to Washington Dulles International Airport (IAD)
April is the busiest month for flights from Lambert-St. Louis International Airport to Washington Dulles International Airport. For a quieter experience, visit Washington DC in January.
Book your flight from Lambert-St. Louis International Airport to Washington Dulles International Airport for July if you'd like to visit Washington DC during its warmest month. Expect temperatures of between 19ºC and 33ºC.
January has average temperatures of between -6ºC and 10ºC. Search for cheap tickets from STL to IAD sometime around then if you want to travel in cooler conditions.
Explore more of United States
You've done Washington DC, now it's time to discover other parts of United States. Journey about 322 kilometres north-east to New York to tick off its leading sights. From Statue of Liberty to Central Park and Empire State Building, there's plenty to keep you busy.
Philadelphia is another well-known destination in United States and is around 193 kilometres north-east of Washington DC. No trip is complete without seeing Liberty Bell, Independence Hall and Philadelphia Museum of Art.
