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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
  • Round-trip
sortSort by: Lowest Price
  • Sort by: Lowest Price
  • Sort by: Earliest Flight
      • STL06:16
        1h 59m
        Direct
        DCA09:15
        St. Louis - Washington D.C.|Sat, May 11|American Airlines
        US$78US$123
        37% OFF
        37% OFF
        US$123US$78
      • STL06:20
        2h 1m
        Direct
        DCA09:21
        St. Louis - Washington D.C.|Sat, May 4|American Airlines
        US$80US$123
        35% OFF
        35% OFF
        US$123US$80
      • STL06:16
        1h 59m
        Direct
        DCA09:15
        St. Louis - Washington D.C.|Wed, May 8|American Airlines
        US$80US$123
        35% OFF
        35% OFF
        US$123US$80
      • STL06:16
        1h 59m
        Direct
        DCA09:15
        St. Louis - Washington D.C.|Tue, May 14|American Airlines
        US$81
        US$81
      • STL17:25
        4h 21m
        1 stop
        DCA22:46
        St. Louis - Washington D.C.|Sat, May 4|Delta Air Lines
        US$82
        US$82
      • STL06:09
        2h 2m
        Direct
        DCA09:11
        St. Louis - Washington D.C.|Wed, Jul 3|American Airlines
        US$82
        US$82
      • STL17:04
        1h 56m
        Direct
        DCA20:00
        St. Louis - Washington D.C.|Tue, May 21|American Airlines
        US$83
        US$83
      • STL06:16
        1h 59m
        Direct
        DCA09:15
        St. Louis - Washington D.C.|Wed, May 22|American Airlines
        US$83
        US$83
      • STL20:04
        14h 56m
        1 stop
        DCA12:00
        St. Louis - Washington D.C.|Mon, May 6|Frontier Airlines
        US$83
        US$83
      • STL17:29
        4h 18m
        1 stop
        DCA22:47
        St. Louis - Washington D.C.|Sat, May 11|Delta Air Lines
        US$84
        US$84
      • STL13:00
        3h 5m
        Direct
        DCA14:00
        St. Louis - Washington D.C.|Tue, May 7|American 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
American Airlines
From US$78
Delta Air Lines
From US$82
Frontier Airlines
From US$83
Spirit Airlines
From US$92
United Airlines
From US$114
Southwest Airlines
From US$119
Alaska Airlines
From US$601
ANA airlines
Find more flights and airlines

There are 1 airport(s) in St. Louis. Discover the top routes now!

  • 21.12 km from downtown St. Louis
    St. Louis Lambert International Airport
    Tickets From
    US$78
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

    -MTWTF-
    Search

  2. AA858

    American Airlines

    07:03

    STL

    1.9h

    09:58

    CLT

    SMTWTFS
    Search

  3. AA2647

    American Airlines

    13:19

    CLT

    1.4h

    14:44

    DCA

    SM-----

  4. AA601

    American Airlines

    08:08

    STL

    2.4h

    11:29

    LGA

    SMTWT--
    Search

  5. AA1237

    American Airlines

    12:02

    LGA

    1.4h

    13:25

    DCA

    SM-----

  6. AA3563

    American Airlines

    10:30

    STL

    2.6h

    14:08

    BOS

    SM-----
    Search

  7. AA4435

    American Airlines

    16:00

    BOS

    1.7h

    17:43

    DCA

    SM-----

  8. UA2467

    United Airlines

    11:10

    STL

    1.4h

    12:31

    ORD

    SMTWT-S
    Search

  9. UA2157

    United Airlines

    16:05

    ORD

    1.9h

    19:00

    DCA

    ---WT-S

  10. AA2270

    American Airlines

    13:01

    STL

    2.4h

    16:22

    LGA

    SM-----
    Search

  11. AA2033

    American Airlines

    17:30

    LGA

    1.3h

    18:50

    DCA

    SM-----

  12. AA123

    American Airlines

    17:04

    STL

    1.9h

    Direct

    20:00

    DCA

    SM-----
    Search

  13. UA602

    United Airlines

    17:18

    STL

    1.3h

    18:34

    ORD

    ---WT--
    Search

  14. UA2727

    United Airlines

    19:45

    ORD

    1.9h

    22:40

    DCA

    ---WT--

  15. DL5356

    Delta Air Lines

    17:25

    STL

    1.6h

    19:58

    DTW

    S-TWTFS
    Search

  16. DL2073

    Delta Air Lines

    21:40

    DTW

    1.5h

    23:09

    DCA

    SMTWTFS

  17. DL2822

    Delta Air Lines

    18:10

    STL

    1.6h

    20:45

    DTW

    -M-----
    Search

  18. DL2073

    Delta Air Lines

    21:40

    DTW

    1.5h

    23:09

    DCA

    SMTWTFS
Find more flights and airlines

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

Cheapest round-trip ticket price

$143

Cheapest nonstop flight price

$77

Off-season for travel

December

Peak season for travel

June

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

  • When are flight tickets 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 departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

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

    According to Trip.com's data, the lowest price is around $346.

  • How long does it take to fly from St. Louis (STL) to Washington D.C. (WAS) and what is the distance?

    It takes around 2 hours 20 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): American Airlines, Brussels Airlines, Copa Airlines, United Airlines, Southwest Airlines, Lufthansa, Scandinavian Airlines and Avianca.

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