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  1. Flights
  2. United States
  3. St Louis, MO
  4. Washington - St Louis, MO

Flights from Washington to St Louis, MO

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Explore the best deals

Discover the cheapest flights from Washington to St Louis, MO
Tue, Dec 8
AA
AADirect
WAS - STL
108€
Prime price per passenger
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 Washington to St Louis, MO

If you’re planning to fly this route soon, keep in mind that the lowest fares are usually available at the beginning of December. 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.
week: Dec 7 - Dec 13
Flights from just €108
€108
December
Distance: 1,141 km
Washington airports
Washington Dulles International Airport (IAD)How far from city centre: 37 km
St Louis, MO airports

Book your flight from Washington to St Louis, MO

Find direct and indirect flights from Washington to St Louis, MO (United States) with eDreams. Once you have your results, sort them by schedule or price and book the option that best suits your plans.

The lowest fare booked on this route in recent days was €108, though the price you see will depend on your travel dates and departure times.

A direct flight from Washington to St Louis, MO takes around 2 h and 48 m, while indirect flights will take longer.

Airports and airlines connecting Washington and St Louis, MO

Knowing where you set off from and where you arrive helps you organise your journey better. Consider the available airports and compare the different airlines operating on this route.

  • Departure airport: Washington Dulles International Airport (IAD)

Weather in St Louis, MO

The best time to visit may depend on your preferred climate. In St Louis, MO, the average temperature floats around 31ºC in the warmest months and -3ºC in the coldest ones. Keep this in mind when packing and planning any outdoor activities.

  • Highs: up to 32ºC
  • Lows: down to -5ºC
  • Hottest month: July
  • Coldest month: January
  • Driest month: February
  • Wettest month: May

How to save when flying from Washington to St Louis, MO

A few tips for finding cheaper flights from Washington to St Louis, MO:

  • Flexible dates: compare fares for two or three different departure days. Leaving a day earlier or later can make a noticeable difference to the price.
  • Baggage allowance: check what each fare includes before you book, so you aren't caught out by extra charges at the airport.
  • Airports on your route: confirm which airports you depart from and land at, especially if the city has more than one. This will help you plan your transfer and work out the total cost of getting around.

Looking for a bigger saving? Book a Flight + Hotel package to combine both in one booking and unlock exclusive discounts on your stay in St Louis, MO. You can also save on a hire car by including it with your booking.

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

On average, what is the price of a Washington to St Louis, MO flight?
When flying from Washington to St Louis, MO the average price will be €209. However, this price is dependant on several other factors like seasonality or the time in advance taken when booking the route.
For flights from Washington to St Louis, MO, how can I find the cheapest price?
On eDreams we use machine learning to find the most economical flight between Washington and St Louis, MO. By taking into account the combinations of airlines, stopovers, direct flights as well as the various criteria for the journeys, our search engine allows us to offer our customers the best price under the best conditions.
When booking, when is the best time to do so in order to get the best prices for Washington to St Louis, MO flights?
The most popular month for flights from Washington to St Louis, MO are: October, January and July.
When is the best time to travel from Washington to St Louis, MO?
A good period of the year to visit St Louis, MO from Washington really depends on lots of personal preferences, price being one of the main criteria When it comes to popularity, December is the best month to fly to St Louis, MO from Washington, basedd on searches from our customers, followed by November and August. If you prefer to avoid the busy season and get away from the crowds September, October and May are the months with fewer searches for the route Washington -  St Louis, MO.
What is the duration of a flight from Washington to St Louis, MO?
Flight time, on average, from Washington to St Louis, MO is usually 5 h and 21 m on average, at an average distance of 1,140.57 km, for flights for the route (which may have 1 or more stops in other cities in between).
What airlines fly from Washington to St Louis, MO?

Airlines that have direct flight routes from Washington to St Louis, MO are:

  • American Airlines.

Frontier Airlines

  • Frontier Airlines

Plan your trip

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