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

Search for flights from St. Louis to Washington D.C.. Find affordable one-way or round-trip flights.

      • Cheapest nonstop
        STL 06:00
        2h 15m
        Nonstop
        DCA 09:15
        St. Louis - Washington D.C. | Fri, May 22 | American Airlines
        DCA 13:46
        2h 27m
        Nonstop
        STL 15:13
        Washington D.C. - St. Louis | Fri, May 22 | American Airlines
        PKR 62,298 PKR 81,761
        24% off
        24% off
        PKR 81,761 PKR 62,298
      • STL 20:08
        15h 51m
        1 stop
        DCA 12:59
        St. Louis - Washington D.C. | Fri, May 29 | Frontier Airlines
        IAD 07:45
        10h 48m
        1 stop
        STL 17:33
        Washington D.C. - St. Louis | Thu, Jun 4 | Frontier Airlines
        PKR 52,679 PKR 81,761
        36% off
        36% off
        PKR 81,761 PKR 52,679
      • STL 20:08
        19h 49m
        1 stop
        DCA 16:57
        St. Louis - Washington D.C. | Fri, Jun 26 | Frontier Airlines
        IAD 07:30
        11h
        1 stop
        STL 17:30
        Washington D.C. - St. Louis | Thu, Jul 2 | Frontier Airlines
        PKR 56,854 PKR 81,761
        30% off
        30% off
        PKR 81,761 PKR 56,854
      • STL 06:00
        5h 48m
        1 stop
        DCA 12:48
        St. Louis - Washington D.C. | Fri, Jun 5 | Delta Air Lines
        DCA 06:00
        4h 32m
        1 stop
        STL 09:32
        Washington D.C. - St. Louis | Fri, Jun 12 | Delta Air Lines
        PKR 60,252
        26% off
        PKR 81,761 PKR 60,252
      • STL 20:08
        24h 50m
        1 stop
        DCA 21:58
        St. Louis - Washington D.C. | Tue, Jun 2 | Frontier Airlines
        IAD 11:07
        7h 26m
        1 stop
        STL 17:33
        Washington D.C. - St. Louis | Thu, Jun 4 | Frontier Airlines
        PKR 61,480
        25% off
        PKR 81,761 PKR 61,480
      • STL 05:08
        2h 20m
        Nonstop
        DCA 08:28
        St. Louis - Washington D.C. | Fri, May 29 | American Airlines
        IAD 11:07
        7h 26m
        1 stop
        STL 17:33
        Washington D.C. - St. Louis | Thu, Jun 4 | Frontier Airlines
        PKR 62,912
        23% off
        PKR 81,761 PKR 62,912
      • STL 17:15
        5h 29m
        1 stop
        DCA 23:44
        St. Louis - Washington D.C. | Mon, Jun 8 | Delta Air Lines
        DCA 06:00
        4h 46m
        1 stop
        STL 09:46
        Washington D.C. - St. Louis | Thu, Jun 11 | Delta Air Lines
        PKR 64,550
        21% off
        PKR 81,761 PKR 64,550
      • STL 19:38
        16h 19m
        1 stop
        DCA 12:57
        St. Louis - Washington D.C. | Sat, Jun 27 | Frontier Airlines
        IAD 11:24
        7h 6m
        1 stop
        STL 17:30
        Washington D.C. - St. Louis | Tue, Jun 30 | Frontier Airlines
        PKR 64,591
        21% off
        PKR 81,761 PKR 64,591
      • STL 13:00
        17h 25m
        1 stop
        WAS 14:00
        St. Louis - Washington D.C. | Tue, May 19 | Normal Airline
        WAS 15:00
        6h
        Nonstop
        STL 16:00
        Washington D.C. - St. Louis | Thu, May 21 | Normal Airline
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      • Cheapest nonstop
        STL 17:00
        2h 15m
        Nonstop
        DCA 20:15
        St. Louis - Washington D.C. | Sun, May 31 | American Airlines
        PKR 29,267 PKR 44,508
        34% off
        34% off
        PKR 44,508 PKR 29,267
      • STL 05:08
        2h 20m
        Nonstop
        DCA 08:28
        St. Louis - Washington D.C. | Mon, Jun 1 | American Airlines
        PKR 31,027 PKR 44,508
        30% off
        30% off
        PKR 44,508 PKR 31,027
      • STL 20:08
        15h 49m
        1 stop
        DCA 12:57
        St. Louis - Washington D.C. | Mon, Jun 22 | Frontier Airlines
        PKR 27,957 PKR 44,508
        37% off
        37% off
        PKR 44,508 PKR 27,957
      • STL 17:15
        5h 29m
        1 stop
        DCA 23:44
        St. Louis - Washington D.C. | Sun, May 31 | Delta Air Lines
        PKR 28,939
        35% off
        PKR 44,508 PKR 28,939
      • STL 06:00
        5h 48m
        1 stop
        DCA 12:48
        St. Louis - Washington D.C. | Mon, Jun 1 | Delta Air Lines
        PKR 28,939
        35% off
        PKR 44,508 PKR 28,939
      • STL 20:08
        24h 50m
        1 stop
        DCA 21:58
        St. Louis - Washington D.C. | Sat, Jun 6 | Frontier Airlines
        PKR 31,109
        30% off
        PKR 44,508 PKR 31,109
      • STL 20:08
        15h 51m
        1 stop
        DCA 12:59
        St. Louis - Washington D.C. | Thu, Jun 11 | Frontier Airlines
        PKR 31,109
        30% off
        PKR 44,508 PKR 31,109
      • STL 20:08
        24h 51m
        1 stop
        DCA 21:59
        St. Louis - Washington D.C. | Mon, Jun 15 | Frontier Airlines
        PKR 32,705
        27% off
        PKR 44,508 PKR 32,705
      • STL 20:08
        24h 51m
        1 stop
        DCA 21:59
        St. Louis - Washington D.C. | Sun, Jun 14 | Frontier Airlines
        PKR 32,746
        26% off
        PKR 44,508 PKR 32,746
      • STL 17:15
        4h 29m
        1 stop
        DCA 22:44
        St. Louis - Washington D.C. | Sun, Jun 7 | Delta Air Lines
        PKR 35,161
        21% off
        PKR 44,508 PKR 35,161
      • STL 13:00
        17h 25m
        1 stop
        WAS 14:00
        St. Louis - Washington D.C. | Tue, May 19 | 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.

Selected Airlines from St. Louis Lambert International Airport to Ronald Reagan Washington National Airport

View airlines operating flights from St. Louis to Washington D.C.. Compare prices and find the airline that meets your travel needs to enjoy a comfortable journey.

Frontier Airlines
From PKR 27,957
Delta Air Lines
From PKR 28,939
American Airlines
From PKR 29,267
United Airlines
From PKR 40,318

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Flight Schedule from St. Louis Lambert International Airport to Ronald Reagan Washington National Airport

Check on the flight schedule from St. Louis to Washington D.C. to find the flight that matches your travel plan.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA5582

    St. Louis Lambert International Airport

    17:56

    STL

    2h 12m

    21:08

    DCA

    - - - W T - S
    Search

  2. AA5411

    St. Louis Lambert International Airport

    06:00

    STL

    2h 15m

    09:15

    DCA

    S M T - - - -
    Search

  3. AA5015

    St. Louis Lambert International Airport

    06:00

    STL

    2h 19m

    09:19

    DCA

    - - - W T F S
    Search

  4. DL1626

    St. Louis Lambert International Airport

    06:45

    STL

    1h 33m

    Nonstop

    09:18

    DTW

    S M T W T F S
    Search

  5. DL2476

    Detroit Metropolitan Wayne County Airport

    11:19

    DTW

    1h 29m

    Nonstop

    12:48

    DCA

    S M T W T F S

  6. DL1524

    St. Louis Lambert International Airport

    06:00

    STL

    1h 40m

    Nonstop

    08:40

    ATL

    S M T W T F S
    Search

  7. DL380

    Hartsfield-Jackson Atlanta International Airport

    08:30

    ATL

    1h 48m

    Nonstop

    10:18

    DCA

    S M T W T F S

  8. DL1485

    St. Louis Lambert International Airport

    15:13

    STL

    1h 39m

    Nonstop

    17:52

    ATL

    S M T W T F S
    Search

  9. DL378

    Hartsfield-Jackson Atlanta International Airport

    20:32

    ATL

    1h 43m

    Nonstop

    22:15

    DCA

    S - T W T - S

  10. AA2731

    St. Louis Lambert International Airport

    18:12

    STL

    1h 57m

    Nonstop

    21:09

    CLT

    - - - W T F -
    Search

  11. AA1269

    Charlotte Douglas International Airport

    22:33

    CLT

    1h 28m

    Nonstop

    00:01

    DCA

    - - - W T F S

  12. UA1008

    St. Louis Lambert International Airport

    06:00

    STL

    1h 30m

    Nonstop

    07:30

    ORD

    - - - W T F S
    Search

  13. UA490

    Chicago O'Hare International Airport

    09:00

    ORD

    1h 59m

    Nonstop

    11:59

    DCA

    - - - W T - S

  14. DL4939

    St. Louis Lambert International Airport

    08:45

    STL

    2h 34m

    Nonstop

    12:19

    LGA

    - - - - - F -
    Search

  15. DL5749

    LaGuardia Airport

    11:30

    LGA

    1h 26m

    Nonstop

    12:56

    DCA

    S M T W T F S

  16. UA2104

    St. Louis Lambert International Airport

    06:00

    STL

    2h 29m

    Nonstop

    09:29

    EWR

    - - - - T F S
    Search

  17. UA4172

    Newark Liberty International Airport

    11:00

    EWR

    1h 19m

    Nonstop

    12:19

    DCA

    S M T W T F S
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St. Louis Lambert International Airport to Ronald Reagan Washington National Airport Flights Info

Flight distance1,154.87 km
Cheapest one-way ticket pricePKR 27,957
Cheapest return ticket pricePKR 52,679

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

  • How long is a flight from St. Louis Lambert International Airport (STL) to Ronald Reagan Washington National Airport (DCA)?

    It takes around 2 hours 6 minutes to fly from St. Louis Lambert International Airport (stl) to Ronald Reagan Washington National Airport (dca).
  • There are around 7 daily flights from St. Louis Lambert International Airport (STL) to Ronald Reagan Washington National Airport (DCA).
  • Tickets cost around PKR 57,632 in June, making it the cheapest month to book. St. Louis Lambert International Airport (STL) to Ronald Reagan Washington National Airport (DCA) is a popular route, so don't forget to book your tickets in advance.
  • 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 PKR 57,632 in June, the most expensive month to book this route.
  • The earliest flight departs from St. Louis Lambert International Airport at 06:00 and arrives in Ronald Reagan Washington National Airport at 09:10.
  • The latest flight departs from St. Louis Lambert International Airport at 18:08 and arrives in Ronald Reagan Washington National Airport at 21:10.
  • American Airlines is a very popular airline operating an average of 1142 flights per month.

Popular Destinations

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

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Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.