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Flights Washington, D.C. — St. Louis

Washington
WAS
Saint Louis
STL

Cheap flights Washington, D.C. — St. Louis

Below you can see the best deals on flights Washington, D.C. — St. Louis for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 11 August, from AED 281.

Top 10 cheap flights Washington, D.C. — St. Louis

Direct flights Washington, D.C. — St. Louis

Direct flight options for Washington, D.C. — St. Louis with no stopovers on upcoming dates. A direct flight is faster and more convenient — especially when travelling with luggage or children.

The fastest direct flight is operated by American Airlines — travel time is 2 h 22 min.

Top 10 direct flights Washington, D.C. — St. Louis

About the Washington, D.C. — St. Louis flight

On this page, you can find and buy flight tickets from Washington to St. Louis. The distance between the cities is 1,143 km, with up to 21 flights per week.

Flights are operated by airlines such as United Airlines, American Airlines, and Lufthansa. Ticket prices change constantly, so to find the best option, use the low price calendar and check the information on how to get to the departure airport and reach the city center upon arrival.

Flight schedule Washington, D.C. — St. Louis

The table shows direct flights Washington, D.C. → St. Louis on the selected date. The flight takes approximately 2 h 21 min. Regular flights are operated by American Airlines, United Airlines and Lufthansa. Departures from Washington Dulles International Airport, Baltimore/Washington International Thurgood Marshall Airport and Ronald Reagan National Airport airports, arrivals at Lambert-St. Louis International Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

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Flight ticket prices by day: Washington, D.C. — St. Louis

Below is a calendar of the lowest flight ticket prices for Washington, D.C. — St. Louis by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from AED 281 in ,, and the most expensive are around AED 655 in u. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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When to fly

The hottest month in St. Louis is July, with an average high of 31.4°C. The coldest weather occurs in January, while peak precipitation is in March, with over 123 mm of rainfall.

The lowest flight prices are recorded in August, starting AED 317. During the winter period, especially in January, prices peak, starting AED 625 per flight.

The best time to visit is considered to be September: this month offers comfortable temperatures along with moderate ticket prices AED 344. It is recommended to avoid spring trips due to the high probability of rain.

Temperature · St. Louis

Dry and wet days · St. Louis

Wind speed and direction · St. Louis

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How to get the best deal on a Washington, D.C. — St. Louis ticket

  • Plan your ticket purchase 4–8 weeks before departure to book seats at prices AED 317.
  • Try to choose flights from Tuesday to Thursday, as mid-week flights from Washington are usually cheaper than those on weekends.
  • Compare offers from United Airlines and American Airlines — they often offer direct flights, which saves travel time compared to layovers.
  • Use the low price calendar on this page to quickly find the best dates within your chosen month.

Airlines

There are 3 airlines operating on this route, with United Airlines and American Airlines leading in the number of departures. Most flights are direct, providing a stable connection between cities up to 21 times a week. You can view the detailed schedule and choose a convenient flight option in the list below.

  • American AirlinesAA
    11x/week
    WebsiteFleet: 965211M pax/year
    • Direct flight DCA → STL11x/week
      Duration
      2h 25m
      Days
      MTWTFSS
  • United AirlinesUA
    9x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight IAD → STL9x/week
      Duration
      2h 27m
      Days
      MTWTFSS
  • LufthansaLH
    1x/week
    WebsiteFleet: 38764.5M pax/year
    • Direct flight IAD → STL1x/week

Cities and airports on the Washington, D.C. — St. Louis route

Flights Washington, D.C. — St. Louis depart from Washington Dulles International Airport, Baltimore/Washington International Thurgood Marshall Airport and Ronald Reagan National Airport and arrive at Lambert-St. Louis International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure airports
Arrival airports

Interesting articles about St. Louis

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Frequently asked questions about the Washington, D.C. — St. Louis flight

How long is the flight from Washington to St. Louis?

For a direct flight, the travel time is approximately 1 hour 30 minutes, given the distance of 1,143 km between the cities.

Which airlines fly on this route?

Regular air service is provided by United Airlines, American Airlines, and Lufthansa. A total of about 21 flights are operated weekly.

Are there direct flights from Washington, D.C. to St. Louis?

Yes, major American carriers operate direct non-stop flights between these cities daily.

Which airport does the flight arrive at?

Flights from Washington arrive at St. Louis International Airport (Lambert International Airport, STL).

When is the best time to buy tickets to save money?

Prices are dynamic, so we recommend booking seats in advance and tracking the current minimum through the price dynamics chart on this page.

Where else you can fly from Washington, D.C.

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Where else you can fly from St. Louis

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