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St. Louis to Ronald Reagan Washington National Airport flight
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Cheap Flights from St. Louis to Ronald Reagan Washington National Airport

  • One way
  • Return
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • STL23:06
        11h 57m
        1 stop
        DCA12:03
        St. Louis - Washington D.C.|Thu, May 30|Frontier Airlines
        € 74€ 96
        23% OFF
        23% OFF
        € 96€ 74
      • STL06:16
        1h 59m
        Direct
        DCA09:15
        St. Louis - Washington D.C.|Wed, May 22|American Airlines
        € 75€ 96
        22% OFF
        22% OFF
        € 96€ 75
      • STL17:04
        1h 56m
        Direct
        DCA20:00
        St. Louis - Washington D.C.|Thu, May 30|American Airlines
        € 77€ 96
        20% OFF
        20% OFF
        € 96€ 77
      • STL06:16
        1h 59m
        Direct
        DCA09:15
        St. Louis - Washington D.C.|Tue, Jun 4|American Airlines
        € 79
        € 79
      • STL06:16
        1h 59m
        Direct
        DCA09:15
        St. Louis - Washington D.C.|Wed, May 29|American Airlines
        € 81
        € 81
      • STL20:22
        14h 43m
        1 stop
        DCA12:05
        St. Louis - Washington D.C.|Mon, Jun 17|Frontier Airlines
        € 81
        € 81
      • STL06:09
        2h 2m
        Direct
        DCA09:11
        St. Louis - Washington D.C.|Wed, Jun 5|American Airlines
        € 81
        € 81
      • STL17:42
        2h 1m
        Direct
        DCA20:43
        St. Louis - Washington D.C.|Tue, Jul 2|American Airlines
        € 81
        € 81
      • STL15:37
        29h 20m
        1 stop
        DCA21:57
        St. Louis - Washington D.C.|Sun, Jun 9|Frontier Airlines
        € 84
        € 84
      • STL06:10
        2h 1m
        Direct
        DCA09:11
        St. Louis - Washington D.C.|Wed, Jul 10|American Airlines
        € 89
        € 89
      • STL13:00
        3h 5m
        Direct
        DCA14:00
        St. Louis - Washington D.C.|Fri, May 24|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from St. Louis to Ronald Reagan Washington National Airport
Frontier Airlines
From € 74
American Airlines
From € 75
Delta Air Lines
From € 91
United Airlines
From € 108
Southwest Airlines
From € 139
ANA airlines
Find more flights and airlines

Airports in St. Louis

  • 21.12 km from central St. Louis
    St. Louis Lambert International Airport
    Tickets From
    € 74
Flight Schedule from St. Louis to Ronald Reagan Washington National Airport
Flight info.
Departure
Arrival
Weekly Schedule

  1. AA696

    American Airlines

    06:28

    STL

    2.0h

    Direct

    09:29

    DCA

    SMTWTF-
    Search

  2. AA858

    American Airlines

    07:00

    STL

    1.9h

    09:55

    CLT

    SMTWTFS
    Search

  3. AA2647

    American Airlines

    13:20

    CLT

    1.4h

    14:44

    DCA

    SMTWTFS

  4. F94477

    Frontier Airlines

    15:47

    STL

    2.4h

    17:09

    DEN

    -M-W--S
    Search

  5. F9686

    Frontier Airlines

    06:39

    DEN

    3.5h

    12:09

    DCA

    SMTWTFS

  6. DL2822

    Delta Air Lines

    18:12

    STL

    1.5h

    20:42

    DTW

    SMTWTFS
    Search

  7. DL2073

    Delta Air Lines

    21:20

    DTW

    1.4h

    22:47

    DCA

    SMTWTFS

  8. AA123

    American Airlines

    19:30

    STL

    1.9h

    Direct

    22:26

    DCA

    SMTWT-S
    Search

  9. F94567

    Frontier Airlines

    20:00

    STL

    2.5h

    21:28

    DEN

    --T-T--
    Search

  10. F9686

    Frontier Airlines

    06:39

    DEN

    3.5h

    12:09

    DCA

    SMTWTFS
Find more flights and airlines

Flight Info of Flights from St. Louis to Ronald Reagan Washington National Airport

Cheapest return ticket price

€ 160

Cheapest direct flight price

€ 74

Off-season for travel

April

Peak season for travel

November

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

  • When are flight from St. Louis (STL) to Washington D.C. (WAS) the cheapest?

    Airlines adjust prices for flights from St. Louis to Washington D.C. based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much are flights from St. Louis (STL) to Washington D.C. (WAS) cost?

    According to Trip.com's data, the lowest price is around € 316.

  • How long is the flights from St. Louis (STL) to Washington D.C. (WAS)?

    It takes about 2 hours 19 minutes to fly from St. Louis (STL) to Washington D.C. (WAS).

  • What are the most popular airlines that fly from St. Louis (STL) to Washington D.C. (WAS)?

    Airlines with flights from St. Louis (STL) to Washington D.C. (WAS): Brussels Airlines, Copa Airlines, United Airlines, American Airlines, Southwest Airlines, Lufthansa and Avianca.

  • What's the most popular airline for direct flights from St. Louis (STL) to Washington D.C. (WAS)?

    United Airlines operates 1 direct flights from St. Louis (STL) to Washington D.C. (WAS).

  • How many airports in Washington D.C. (WAS)?

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