The prices shown on this page were available within the last 20 days for the specified periods and should not be considered the final price offered. Please note that availability and prices are subject to change.

Cheapest time to fly from St Louis, MO to Washington, D.C.

If you’re planning to fly this route soon, keep in mind that the lowest fares are usually available at the beginning of April. Take advantage of this period to save on your flight tickets and make the most of your trip. Please note that prices may change after your search.

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week: Apr 6 - Apr 12

Flights from just $139

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$139

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MarchAprilMay

Flying Time2 h and 10 mWhen flying from St Louis, MO to Washington, D.C., this can take around 2 h and 10 m in flying time, however this flight duration can vary due to other factors

Cheapest flight$103The best price for flights from St Louis, MO to Washington, D.C. offered by eDreams, which have been found by our customers in the last 3 days

Departure AirportSt. Louis Lambert International AirportSt. Louis Lambert International Airport is where you'll take off when flying from St Louis, MO to Washington, D.C.

Arrival AirportWashington Dulles International AirportYou'll land at Washington Dulles International Airport when flying from St Louis, MO to Washington, D.C.

Peak seasonMarchMarch is the busiest time to fly from St Louis, MO to Washington, D.C. according to search data results from our customers

Airlines operating this routeAmerican AirlinesAirline(s) that fly from St Louis, MO to Washington, D.C.

Best time to bookMarchSeptember is one of the most frequent times to fly to Washington, D.C. from St Louis, MO according to real data from our customers

Distance: 709 miles

St Louis, MO airports

Lambert-St Louis Internatl (STL)How far from city center: 12 miles

Washington, D.C. airports

Dulles Intl (IAD)How far from city center: 23 miles

R Reagan National (DCA)How far from city center: 3 miles

Are you planning to travel to Washington, D.C. for vacations, business or family visits? eDreams offers you the cheapest flights and best deals departing from St Louis, MO. With our fast search engine you will get a large selection of airfares from standard and low cost airlines worldwide and easily book your tickets for this route. If you are flexible we help you identify the cheapest day to fly to Washington, D.C. and if you need to leave soon you can check our most convenient last minute fares. Read all the useful information about your next destination and proceed to the reservation, indicating your flight dates and completing your travel booking with hotels and car rental!

Frequently asked questions about flights from St Louis, MO to Washington, D.C.

What are the benefits of booking flexible flight tickets?

Using the flexible flight ticket, you're guaranteed a refund or a rebooking option (without fees) in case of flight cancellations when travelling to United States. At eDreams have you covered!

For flights from St Louis, MO to Washington, D.C., how can I find the cheapest price?

The cheapest price for a flight from St Louis, MO to Washington, D.C. is $103. At eDreams we use different machine learned based methodologies to find our costumers the best option available, considering airline combinations, stopovers and direct flights as well as different criteria for inbound and outbound journeys.

When booking, when is the best time to get the best prices for flights from St Louis, MO to Washington, D.C.?

The most popular months to book a trip from St Louis, MO to Washington, D.C. are June, May and October, based on the searches of our customers.

When is the best time to travel from St Louis, MO to Washington, D.C.?

The best time of the year to visit Washington, D.C. depends on lots of personal preferences, especially the price. Regarding popularity, October is the best month to fly to Washington, D.C. from St Louis, MO in terms of searches from our customers, followed by August and May. If you prefer to avoid the busy season and get away from the crowds September, January and February are the months with fewer searches for St Louis, MO - Washington, D.C..

How long does the flight from St Louis, MO to Washington, D.C. take?

Flight length from St Louis, MO to Washington, D.C. is around 2 h and 10 m on average, at an average distance of 708.72 mi, for flights for the route (which may have 1 or more stops in other cities in between).

How is the weather in Washington, D.C. compared to St Louis, MO?

While in St Louis, MO the temperatures can reach an average of 34.91 ºC in summer, with precipitation levels up to 12 mm ,Washington, D.C.'s temperatures can go up to 33.72 ºC during the hot season, with 12 mm average of rain rate . In winter, however, weather indicators show around -10.8 ºC in Washington, D.C., compared to the -13.87 ºC average degrees reported in St Louis, MO. During the winter period, St Louis, MO can register 6 mm precipitation, while Washington, D.C. have an average of 14.67 mm rain level.

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