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

Book cheap flights from Washington to St Louis, MO from £89

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Discover the cheapest flights from Washington to St Louis, MO
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Tue 15 Dec - Tue 22 Dec
F9
F9Direct
WAS - STL
F9
F9Direct
STL - WAS
132£
123£
Prime price per passenger
Fri 15 Jan
AA
AADirect
WAS - STL
98£
89£
Prime price per passenger
Fri 4 Dec
AA
AADirect
WAS - STL
98£
89£
Prime price per passenger
Mon 21 Dec
F9
F9Direct
WAS - STL
105£
96£
Prime price per passenger
Fri 1 Jan
AA
AADirect
WAS - STL
125£
116£
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 in the middle of January. 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: 11 Jan - 17 Jan
Flights from just £89
£94
£104
£131
£89
£98
£108
£116
£89
NovemberDecemberJanuary
Flight Time2 h and 35 mFlights from Washington and St Louis, MO last around 2 h and 35 m, although this flight time may also depend on other factors.
Cheapest flight£89The cheapest price available for flights from Washington to St Louis, MO that have been booked by our customers in the last 72 hours
Origin airportsWashington Dulles International AirportFor flights from Washington to St Louis, MO
Destination airportSt. Louis Lambert International AirportFor the route from Washington to St Louis, MO
Peak seasonMarchAccording to search data from our customers, March is the busiest time to fly from Washington to St Louis, MO
Airlines that fly this routeAmerican AirlinesAirline(s) that fly fromWashington to St Louis, MO
Average price of one-way£132Average flight price from Washington - St Louis, MO at eDreams is £132, which is averaged from the last 6 months of data
Best time to bookDecemberData from our customers tells us that July is the most popular time to fly to St Louis, MO from Washington
Distance: 709 mi
Washington airports
Washington Dulles International Airport (IAD)How far from city centre: 23 mi
St Louis, MO airports

Book your next flight from Washington to St Louis, MO

On eDreams, you can compare fares, times and journey lengths for flights from Washington (WAS) to St Louis, MO (STL) side by side. Pick between direct and indirect options, then sort your results by price, schedule or number of stops.

For reference, the lowest price recently seen on this route was £89. Your own fare will depend on your travel date and how far ahead you book.

  • Flight Duration: a direct flight from Washington to St Louis, MO takes around 2 h and 44 m; indirect flights take longer.
  • Departure Airport: most flights depart from Washington Dulles International Airport (IAD), the main airport in Washington.

Want to explore St Louis, MO and the surrounding area with everything sorted? Put your whole trip together with eDreams by adding a hotel and a hire car to the same booking.

FAQs about flights from Washington to St Louis, MO

What are the advantages of purchasing flexible flight tickets to St Louis, MO through eDreams UK?
With a flexible flight ticket, you're assured a refund or the option to rebook without any additional fees if your flight from Washington to St Louis, MO gets canceled. eDreams UK has got you covered, ensuring peace of mind and hassle-free travel changes! Plus, this flexibility allows you to adapt your travel plans with ease, offering greater convenience in today’s unpredictable travel environment.
What is the average cost for flights from Washington to St Louis, MO?
The typical cost for a flight from Washington to St Louis, MO is approximately £132. It's important to note that this price can fluctuate based on various factors, including the time of year and how far in advance you book your ticket. For instance, booking during peak travel seasons or last minute may result in higher fares, while off-peak times might offer more affordable options.
How can I search for and book flights from Washington to St Louis, MO on eDreams UK, and also find the best deals?
With our flight search engine, you can discover flights starting at just £89 for the route from Washington to St Louis, MO. At eDreams UK, our priority is to offer you the most affordable options. You have the flexibility to customize your search based on various criteria, including stopovers, airports, travel dates, and additional filters. This way, you can tailor your journey to meet your specific needs and preferences, ensuring a seamless travel experience.
When is the best time to book a flight ticket from Washington to St Louis, MO?
The top months for booking flights from Washington to St Louis, MO are July, September and August. Travelers often find the best deals and optimal flight options during these times, making them ideal for planning your trip.
What are the best months to book a flight from Washington to St Louis, MO?
The best time to fly to St Louis, MO from Washington really hinges on various personal preferences, particularly regarding budget considerations. In terms of popularity, March stands out as the top month for flights to St Louis, MO from Washington, as indicated by our customer search data. Following closely are February and December. If your goal is to escape the hustle and bustle of peak season and find a more tranquil experience, consider traveling during August, June or July. These months are associated with significantly fewer searches, making them a great choice for those seeking a quieter getaway from Washington to St Louis, MO.
How long does it take to fly from Washington to St Louis, MO?
The average flight time from Washington to St Louis, MO is approximately 2 h and 35 m. This journey typically covers a distance of about 708.72 mi. Please note that the flights along this route may include one or more layovers in different cities.

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