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St. Louis Lambert International Airport to Washington D.C. flight
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Cheap Flights from St. Louis Lambert International Airport to Washington D.C.

Search for flights from St. Louis Lambert International Airport to Washington D.C. and check out affordable one-way and round-trip options.

  • 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
        $78$115
        33% OFF
        33% OFF
        $115$78
      • STL16:50
        18h 10m
        1 stop
        DCA12:00
        St. Louis - Washington D.C.|Tue, May 14|Frontier Airlines
        $80$115
        31% OFF
        31% OFF
        $115$80
      • STL06:16
        1h 59m
        Direct
        DCA09:15
        St. Louis - Washington D.C.|Wed, May 8|American Airlines
        $80$115
        30% OFF
        30% OFF
        $115$80
      • STL06:16
        1h 59m
        Direct
        DCA09:15
        St. Louis - Washington D.C.|Wed, May 22|American Airlines
        $82
        $82
      • STL17:42
        2h 1m
        Direct
        DCA20:43
        St. Louis - Washington D.C.|Mon, Jul 1|American Airlines
        $82
        $82
      • STL20:04
        14h 56m
        1 stop
        DCA12:00
        St. Louis - Washington D.C.|Mon, May 6|Frontier Airlines
        $83
        $83
      • STL17:29
        4h 18m
        1 stop
        DCA22:47
        St. Louis - Washington D.C.|Sat, May 11|Delta Air Lines
        $84
        $84
      • STL06:16
        1h 59m
        Direct
        DCA09:15
        St. Louis - Washington D.C.|Tue, Jun 4|American Airlines
        $86
        $86
      • STL06:16
        1h 59m
        Direct
        DCA09:15
        St. Louis - Washington D.C.|Wed, May 29|American Airlines
        $87
        $87
      • STL06:09
        2h 2m
        Direct
        DCA09:11
        St. Louis - Washington D.C.|Wed, Jun 5|American Airlines
        $88
        $88
      • STL13:00
        3h 5m
        Direct
        WAS14:00
        St. Louis - Washington D.C.|Sun, May 12|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 Lambert International Airport to Washington D.C.

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

American Airlines
From $78
Frontier Airlines
From $80
Delta Air Lines
From $84
Spirit Airlines
From $92
United Airlines
From $114
Southwest Airlines
From $119
Sun Country Airlines
From $129
Alaska Airlines
From $292
ANA airlines
Find more flights and airlines

There are 2 airport(s) in Washington D.C.. Discover the top routes now!

Learn about different airports in Washington D.C., find the best flight and transfer options, and plan your journey.

  • 3.44 km from downtown Washington D.C.CheapestClosest
    Ronald Reagan Washington National Airport
    Tickets From
    $78
  • 36.68 km from downtown Washington D.C.
    Dulles International Airport
    Tickets From
    $84
Flight Schedule from St. Louis Lambert International Airport to Washington D.C.

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA421

    American Airlines

    05:17

    STL

    1.9h

    08:12

    CLT

    SMTWTFS
    Search

  2. AA5428

    American Airlines

    09:35

    CLT

    1.7h

    11:15

    IAD

    SMTWTFS

  3. AA696

    American Airlines

    06:28

    STL

    2.0h

    Direct

    09:29

    DCA

    -MTWTF-
    Search

  4. AA601

    American Airlines

    08:08

    STL

    2.4h

    11:29

    LGA

    SMTWTF-
    Search

  5. AA1237

    American Airlines

    12:11

    LGA

    1.4h

    13:34

    DCA

    SMTWTFS

  6. UA2467

    United Airlines

    11:10

    STL

    1.4h

    12:31

    ORD

    SMTWT--
    Search

  7. UA2187

    United Airlines

    13:12

    ORD

    1.8h

    16:01

    IAD

    SMTWTFS

  8. AA2270

    American Airlines

    13:01

    STL

    2.4h

    16:22

    LGA

    SMTWT-S
    Search

  9. AA2033

    American Airlines

    17:30

    LGA

    1.3h

    18:50

    DCA

    SMTWTFS

  10. AA123

    American Airlines

    17:04

    STL

    1.9h

    Direct

    20:00

    DCA

    SMTWT-S
    Search

  11. UA602

    United Airlines

    17:18

    STL

    1.3h

    18:34

    ORD

    SMTWTFS
    Search

  12. UA2727

    United Airlines

    19:45

    ORD

    1.9h

    22:40

    DCA

    SMTWTFS

  13. UA2368

    United Airlines

    17:32

    STL

    2.4h

    20:57

    EWR

    SMTWTFS
    Search

  14. UA2204

    United Airlines

    21:59

    EWR

    1.3h

    23:18

    IAD

    SMTWTFS

  15. DL2822

    Delta Air Lines

    18:10

    STL

    1.6h

    20:45

    DTW

    -MTWTFS
    Search

  16. DL2260

    Delta Air Lines

    21:25

    DTW

    1.5h

    22:53

    IAD

    -MTWTFS

  17. DL2822

    Delta Air Lines

    18:10

    STL

    1.6h

    20:45

    DTW

    -MTWTFS
    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 Lambert International Airport to Washington D.C.

Cheapest round-trip ticket price

$143

Cheapest nonstop flight price

$77

Off-season for travel

December

Peak season for travel

June

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