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St. Louis Lambert International Airport to Ronald Reagan Washington National Airport flight

Explore the cheapest one-way and round-trip flights from St. Louis Lambert International Airport to Ronald Reagan Washington National Airport over the next 90 days, with one-way fares from JPY 14,920 and round-trip from JPY 23,540. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        STL 7:03 AM
        2h 12m
        Nonstop
        DCA 10:15 AM
        St. Louis - Washington D.C. | Fri, Oct 9 | American Airlines
        DCA 4:20 PM
        2h 38m
        Nonstop
        STL 5:58 PM
        Washington D.C. - St. Louis | Sun, Oct 11 | American Airlines
        JPY 34,180 JPY 48,830
        30% off
        30% off
        JPY 48,830 JPY 34,180
      • STL 8:10 PM
        19h 49m
        1 stop
        DCA 4:59 PM
        St. Louis - Washington D.C. | Sat, Oct 10 | Frontier Airlines
        IAD 7:50 AM
        6h 20m
        1 stop
        STL 1:10 PM
        Washington D.C. - St. Louis | Mon, Oct 12 | Frontier Airlines
        JPY 23,540 JPY 48,830
        52% off
        52% off
        JPY 48,830 JPY 23,540
      • STL 8:00 PM
        24h 50m
        1 stop
        DCA 9:50 PM
        St. Louis - Washington D.C. | Sat, Oct 31 | Frontier Airlines
        IAD 8:05 AM
        10h 35m
        1 stop
        STL 5:40 PM
        Washington D.C. - St. Louis | Mon, Nov 2 | Frontier Airlines
        JPY 26,450 JPY 48,830
        46% off
        46% off
        JPY 48,830 JPY 26,450
      • STL 4:18 PM
        28h 32m
        1 stop
        DCA 9:50 PM
        St. Louis - Washington D.C. | Mon, Nov 9 | Frontier Airlines
        IAD 8:05 AM
        10h 35m
        1 stop
        STL 5:40 PM
        Washington D.C. - St. Louis | Mon, Nov 16 | Frontier Airlines
        JPY 26,470
        46% off
        JPY 48,830 JPY 26,470
      • STL 3:04 PM
        20h 55m
        1 stop
        DCA 12:59 PM
        St. Louis - Washington D.C. | Sat, Nov 28 | Frontier Airlines
        IAD 6:50 AM
        11h 50m
        1 stop
        STL 5:40 PM
        Washington D.C. - St. Louis | Wed, Dec 2 | Frontier Airlines
        JPY 29,190
        40% off
        JPY 48,830 JPY 29,190
      • STL 8:10 PM
        15h 1m
        1 stop
        DCA 12:11 PM
        St. Louis - Washington D.C. | Mon, Oct 5 | Frontier Airlines
        DCA 1:06 PM
        7h 11m
        1 stop
        STL 7:17 PM
        Washington D.C. - St. Louis | Thu, Oct 8 | Frontier Airlines
        JPY 29,260
        40% off
        JPY 48,830 JPY 29,260
      • STL 7:59 PM
        15h 10m
        1 stop
        DCA 12:09 PM
        St. Louis - Washington D.C. | Thu, Nov 5 | Frontier Airlines
        IAD 11:16 AM
        13h
        1 stop
        STL 11:16 PM
        Washington D.C. - St. Louis | Thu, Nov 12 | Frontier Airlines
        JPY 30,030
        39% off
        JPY 48,830 JPY 30,030
      • STL 7:59 PM
        15h 10m
        1 stop
        DCA 12:09 PM
        St. Louis - Washington D.C. | Wed, Nov 18 | Frontier Airlines
        IAD 8:05 AM
        10h 35m
        1 stop
        STL 5:40 PM
        Washington D.C. - St. Louis | Mon, Nov 23 | Frontier Airlines
        JPY 30,590
        37% off
        JPY 48,830 JPY 30,590
      • STL 8:00 PM
        19h 56m
        1 stop
        DCA 4:56 PM
        St. Louis - Washington D.C. | Sat, Oct 24 | Frontier Airlines
        IAD 7:50 AM
        10h 50m
        1 stop
        STL 5:40 PM
        Washington D.C. - St. Louis | Mon, Oct 26 | Frontier Airlines
        JPY 30,880
        37% off
        JPY 48,830 JPY 30,880
      • STL 1:00 PM
        17h 25m
        1 stop
        WAS 2:00 PM
        St. Louis - Washington D.C. | Tue, Oct 6 | Normal Airline
        WAS 3:00 PM
        6h
        Nonstop
        STL 4:00 PM
        Washington D.C. - St. Louis | Thu, Oct 8 | Normal Airline
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      • Cheapest nonstop
        STL 5:08 PM
        2h 10m
        Nonstop
        DCA 8:18 PM
        St. Louis - Washington D.C. | Mon, Oct 19 | American Airlines
        JPY 18,020 JPY 26,150
        31% off
        31% off
        JPY 26,150 JPY 18,020
      • STL 6:34 PM
        16h 31m
        1 stop
        DCA 12:05 PM
        St. Louis - Washington D.C. | Mon, Nov 16 | Frontier Airlines
        JPY 14,920 JPY 26,150
        43% off
        43% off
        JPY 26,150 JPY 14,920
      • STL 4:18 PM
        23h 29m
        1 stop
        DCA 4:47 PM
        St. Louis - Washington D.C. | Wed, Nov 4 | Frontier Airlines
        JPY 16,210 JPY 26,150
        38% off
        38% off
        JPY 26,150 JPY 16,210
      • STL 6:34 PM
        14h 51m
        1 stop
        DCA 10:25 AM
        St. Louis - Washington D.C. | Fri, Nov 13 | Frontier Airlines
        JPY 16,210
        38% off
        JPY 26,150 JPY 16,210
      • STL 8:10 PM
        19h 49m
        1 stop
        DCA 4:59 PM
        St. Louis - Washington D.C. | Mon, Oct 5 | Frontier Airlines
        JPY 16,240
        38% off
        JPY 26,150 JPY 16,240
      • STL 4:18 PM
        18h 51m
        1 stop
        DCA 12:09 PM
        St. Louis - Washington D.C. | Wed, Nov 18 | Frontier Airlines
        JPY 16,260
        38% off
        JPY 26,150 JPY 16,260
      • STL 7:59 PM
        15h 10m
        1 stop
        DCA 12:09 PM
        St. Louis - Washington D.C. | Sat, Nov 14 | Frontier Airlines
        JPY 16,350
        37% off
        JPY 26,150 JPY 16,350
      • STL 4:19 PM
        18h 45m
        1 stop
        DCA 12:04 PM
        St. Louis - Washington D.C. | Wed, Oct 21 | Frontier Airlines
        JPY 17,130
        34% off
        JPY 26,150 JPY 17,130
      • STL 1:00 PM
        17h 25m
        1 stop
        WAS 2:00 PM
        St. Louis - Washington D.C. | Tue, Oct 6 | Normal Airline
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Displayed flight fares from St. Louis Lambert International Airport to Ronald Reagan Washington National Airport are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from St. Louis Lambert International Airport to Ronald Reagan Washington National Airport?

The cheapest airline flying from St. Louis Lambert International Airport to Ronald Reagan Washington National Airport is Frontier Airlines (from JPY 15,280) among 4 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From JPY 15,280
Delta Air Lines
From JPY 17,760
American Airlines
From JPY 18,020
United Airlines
From JPY 22,610

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What is the flight schedule from St. Louis Lambert International Airport to Ronald Reagan Washington National Airport?

Check the schedule for flights from St. Louis to Washington D.C. and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA2030

    St. Louis Lambert International Airport

    5:08 PM

    STL

    2h 10m

    8:18 PM

    DCA

    S M T W T - S
    Search

  2. AA4645

    St. Louis Lambert International Airport

    11:17 AM

    STL

    2h 11m

    2:28 PM

    DCA

    S M T W T - S
    Search

  3. AA4678

    St. Louis Lambert International Airport

    6:56 AM

    STL

    2h 12m

    10:08 AM

    DCA

    S M T W T F -
    Search

  4. DL1102

    St. Louis Lambert International Airport

    3:48 PM

    STL

    1h 37m

    Nonstop

    6:25 PM

    ATL

    - M T W T F S
    Search

  5. DL832

    Hartsfield–Jackson Atlanta International Airport

    5:30 PM

    ATL

    1h 44m

    Nonstop

    7:14 PM

    DCA

    S M T W T F S

  6. DL1571

    St. Louis Lambert International Airport

    10:05 AM

    STL

    1h 34m

    Nonstop

    12:39 PM

    ATL

    S M T W T F S
    Search

  7. DL850

    Hartsfield–Jackson Atlanta International Airport

    3:12 PM

    ATL

    1h 45m

    Nonstop

    4:57 PM

    DCA

    S M T W T F S

  8. DL2868

    St. Louis Lambert International Airport

    10:29 AM

    STL

    1h 33m

    Nonstop

    1:02 PM

    DTW

    S M T W T F S
    Search

  9. DL1454

    Detroit Metropolitan Wayne County Airport

    2:59 PM

    DTW

    1h 39m

    Nonstop

    4:38 PM

    DCA

    S M T W T F S

  10. DL1102

    St. Louis Lambert International Airport

    3:48 PM

    STL

    1h 37m

    Nonstop

    6:25 PM

    ATL

    - M T W T F S
    Search

  11. DL325

    Hartsfield–Jackson Atlanta International Airport

    7:59 PM

    ATL

    1h 50m

    Nonstop

    9:49 PM

    DCA

    S M T W T F S

  12. DL1400

    St. Louis Lambert International Airport

    12:00 PM

    STL

    1h 35m

    Nonstop

    2:35 PM

    ATL

    S M T W T F S
    Search

  13. DL832

    Hartsfield–Jackson Atlanta International Airport

    5:30 PM

    ATL

    1h 44m

    Nonstop

    7:14 PM

    DCA

    S M T W T F S
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About St. Louis Lambert International Airport and Ronald Reagan Washington National Airport

Learn about St. Louis Lambert International Airport (STL) and Ronald Reagan Washington National Airport (DCA) — including location, terminals, transportation, and travel tips.

Flight distance 1,154.87 km
Cheapest one-way ticket price JPY 14,920
Cheapest return ticket price JPY 23,540

FAQs for St. Louis Lambert International Airport to Ronald Reagan Washington National Airport Flights

  • How long is the flight from St. Louis Lambert International Airport to Ronald Reagan Washington National Airport?

    St. Louis Lambert International Airport to Ronald Reagan Washington National Airport takes about 1 hour 44 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 3 daily flights from St. Louis Lambert International Airport (STL) to Ronald Reagan Washington National Airport (DCA).
  • The earliest flight from St. Louis Lambert International Airport to Ronald Reagan Washington National Airport departs at 06:00, and the last departs at 19:55, with about 14 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from St. Louis Lambert International Airport (STL) to Ronald Reagan Washington National Airport (DCA) is quite popular. Without considering departure times or holidays, tickets cost around JPY 51,280 in October, the most expensive month to book this route.
  • The earliest flight departs from St. Louis Lambert International Airport (STL) at 06:00 and arrives in Ronald Reagan Washington National Airport (DCA) at 09:10.
  • The latest flight departs from St. Louis Lambert International Airport (STL) at 18:08 and arrives in Ronald Reagan Washington National Airport (DCA) at 21:10.
  • American Airlines is a very popular airline operating an average of 1142 flights per month.
  • One-way flights from St. Louis Lambert International Airport to Ronald Reagan Washington National Airport currently start from JPY 14,920, and round-trip fares start from JPY 23,540. The current lowest fare is a Frontier Airlines flight departing on Mon, Nov 16; prices may vary depending on availability.
  • Yes. American Airlines operate direct flights from St. Louis Lambert International Airport to Ronald Reagan Washington National Airport, with an average flight time of 1 hour 39 minutes, and around 45 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from St. Louis Lambert International Airport to Ronald Reagan Washington National Airport is JPY 32,150. Prices may vary depending on the departure date, airline, and availability.
  • St. Louis Lambert International Airport to Ronald Reagan Washington National Airport operates around 46 weekly flights, mainly by American Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter St. Louis Lambert International Airport and Ronald Reagan Washington National Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

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Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.