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

Search for flights from Ronald Reagan Washington National Airport to St. Louis and check out affordable one-way and round-trip options.

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

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

See which airlines fly from Ronald Reagan Washington National Airport to St. Louis. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

American Airlines
From S$ 106
Frontier Airlines
From S$ 115
United Airlines
From S$ 152
Delta Air Lines
From S$ 224
Southwest Airlines
From S$ 328
Alaska Airlines
From S$ 624
ANA airlines

Find more flights and airlines

Airports in St. Louis

Learn about different airports in St. Louis, find the best flight and transfer options, and plan your journey.

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

Check the schedule for flights from Ronald Reagan Washington National Airport to St. Louis and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule
  1. F9685

    07:00

    DCA

    3.9h

    08:54

    DEN

    SMTWTFS
  2. F93302

    08:44

    DEN

    2.1h

    11:50

    STL

    SMTWTFS
  3. AA5454

    07:29

    DCA

    2.3h

    Direct

    08:45

    STL

    SMTWT--
  4. UA587

    12:00

    DCA

    2.1h

    13:06

    ORD

    SMTWTFS
  5. UA2618

    14:30

    ORD

    1.3h

    15:49

    STL

    SMTWTFS
  6. UA1863

    13:30

    DCA

    2.2h

    14:40

    ORD

    SMTWT-S
  7. UA4518

    15:45

    ORD

    1.4h

    17:11

    STL

    SMTWTFS
  8. AA1239

    15:07

    DCA

    1.4h

    16:28

    LGA

    SMTWTFS
  9. AA4383

    17:40

    LGA

    2.8h

    19:27

    STL

    SMTWTFS
  10. AA2286

    15:26

    DCA

    2.4h

    Direct

    16:51

    STL

    SMTWTFS
  11. F9689

    18:59

    DCA

    4.0h

    21:00

    DEN

    SMTWTFS
  12. F93302

    08:44

    DEN

    2.1h

    11:50

    STL

    SMTWTFS
  13. AA2841

    20:02

    DCA

    2.3h

    Direct

    21:18

    STL

    SMTWT-S

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

Cheapest return ticket price

S$ 230

Cheapest direct flight price

S$ 106

Cheapest month

April

Peak season for travel

December

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