Cheap flights from St. Louis to Washington, D.C. Dulles Intl Airport from $89
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Washington, D.C. Dulles Intl Airport departing on 5/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from St. Louis to Washington, D.C. Dulles Intl Airport by changing tabs
Find the cheapest one-way flights from St. Louis to Washington, D.C. Dulles Intl Airport
If you're looking for one-way flights from St. Louis to Washington, D.C. Dulles Intl Airport, view some of our deals below provided by American Airlines, Delta and United Airlines
Search last-minute flights to Washington, D.C. Dulles Intl Airport from St. Louis
Find and compare round-trip flight prices for your last-minute flight from St. Louis to Washington, D.C. Dulles Intl Airport
Best airlines flying from St. Louis to Washington, D.C. Dulles Intl Airport
Compare and see reviews for airlines that fly from St. Louis to Washington, D.C. Dulles Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $177 | Free Cancellation | Rating 8.0 10,975 reviews | |||
| PriceFrom $199 | Free Cancellation | Rating 7.4 11,255 reviews | |||
| PriceFrom $222 | Free Cancellation | Rating 7.3 14,898 reviews |
United Airlines Flights From St. Louis to Washington, D.C. Dulles Intl Airport
United Airlines flight deals from St. Louis to Washington, D.C. Dulles Intl Airport start from $199 round-trip. Over the 14 United Airlines flights for this route in a normal week, average airfare is usually $439 round-trip - but some users have found much cheaper deals with momondo.
Delta flights from St. Louis to Washington, D.C. Dulles Intl Airport
Our best Delta deals on St. Louis to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines flights from St. Louis to Washington, D.C. Dulles Intl Airport
Our best United Airlines deals on St. Louis to Washington, D.C. Dulles Intl Airport flight tickets
How to get the cheapest flight ticket from St. Louis to Washington, D.C. Dulles Intl Airport
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 St. Louis to Washington, D.C. Dulles Intl Airport?
January. The cheapest time of year to fly to Washington, D.C. Dulles Intl Airport from St. Louis is January. Most expensive is July
What is the cheapest day to depart St. Louis for Washington, D.C. Dulles Intl Airport?
Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Sunday
When is the cheapest time to fly from St. Louis to Washington, D.C. Dulles Intl Airport?
In the evening. St. Louis to Washington, D.C. Dulles Intl Airport flights are approximately 42% more expensive at noon than in the evening
What is the cheapest airline that flies to Washington, D.C. Dulles Intl Airport from St. Louis?
Delta. American Airlines, Delta, and United Airlines are the most popular carriers operating from St. Louis to Washington, D.C. Dulles Intl Airport
How far in advance should you book St. Louis to Washington, D.C. Dulles Intl Airport flights?
51 days before. The cheapest time to buy a flight from St. Louis to Washington, D.C. Dulles Intl Airport is approximately 51 days to departure
How many flights depart from St. Louis to Washington, D.C. Dulles Intl Airport on average per day?
5 flights are operational weekly from St. Louis to Washington, D.C. Dulles Intl Airport as of April 2024. The most popular departure time for this route is 12:00PM, with 57% of flights per day taking off in the afternoon.
How many flights depart from St. Louis to Washington, D.C. Dulles Intl Airport on average per week?
The number of flights available between St. Louis and Washington, D.C. Dulles Intl Airport is 37 per week as of April 2024. The most frequent departure day is Monday, with 16% of weekly flights leaving on this day.
Can stopping save me money on St. Louis to Washington, D.C. Dulles Intl Airport flights?
You could potentially save up to 43% on your flight if you consider stops on a St. Louis to Washington, D.C. Dulles Intl Airport flight.
Cheap St. Louis to Washington, D.C. Dulles Intl Airport (STL to IAD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Washington, D.C. Dulles Intl Airport
Best Price Found | $89 |
|---|---|
Fastest flight time | 2h 08m |
Direct flights | Every day |
How far is Lambert-St Louis to Washington, D.C. Dulles Intl by plane?
The straight-line distance from Lambert-St Louis to Washington, D.C. Dulles Intl is 685.9 mi. Flights usually cover this in 2h 08m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Lambert-St Louis Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from Lambert-St Louis Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Washington, D.C. Dulles Intl Airport?
The number of operators available for flights from Lambert-St Louis Airport to Washington, D.C. Dulles Intl Airport is 3 as of April 2024.
How old do you have to be to fly from Lambert-St Louis Airport to Washington, D.C. Dulles Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Why use momondo?
Why should I use momondo to find a flight deal from St. Louis to Washington, D.C.?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Washington, D.C. for you.
Can I find flights from St. Louis to Washington, D.C. with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for St. Louis to Washington, D.C. flights to just show those with flexible booking policies.
How can momondo help me find flights from St. Louis to Washington, D.C.?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Washington, D.C..
I’m not ready to book a flight from St. Louis to Washington, D.C. right now. Can momondo alert me if prices change?
Yes. momondo can track prices for St. Louis to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.