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Flights from Washington D.C. to St. Louis
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Flights from Washington D.C. to St. Louis Starting at NZD 95

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip
      • Cheapest nonstop
        DCA21:05
        2h 20m
        Nonstop
        STL22:25
        Wed, Apr 16|Washington D.C. - St. Louis|American Airlines
        NZD 159NZD 234
        32% OFF
        32% OFF
        NZD 234NZD 159

        Choose American Airlines flights from Washington D.C. to St. Louis. The one-way direct flight with American Airlines departs from Ronald Reagan Washington National Airport on Wed, Apr 16, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 159 including taxes and charges.

      • DCA21:14
        2h 30m
        Nonstop
        STL22:44
        Mon, Mar 3|Washington D.C. - St. Louis|American Airlines
        NZD 173NZD 234
        26% OFF
        26% OFF
        NZD 234NZD 173

        Choose American Airlines flights from Washington D.C. to St. Louis. The one-way direct flight with American Airlines departs from Ronald Reagan Washington National Airport on Mon, Mar 3, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 173 including taxes and charges.

      • IAD17:45
        6h 58m
        1 stop
        STL23:43
        Tue, Mar 4|Washington D.C. - St. Louis|Frontier Airlines
        NZD 95NZD 234
        60% OFF
        60% OFF
        NZD 234NZD 95

        Choose Frontier Airlines flights from Washington D.C. to St. Louis. The one-way connecting flight with Frontier Airlines departs from Dulles International Airport on Tue, Mar 4, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 95 including taxes and charges.

      • IAD17:54
        6h 55m
        1 stop
        STL23:49
        Tue, Mar 18|Washington D.C. - St. Louis|Frontier Airlines
        NZD 96
        NZD 96

        Choose Frontier Airlines flights from Washington D.C. to St. Louis. The one-way connecting flight with Frontier Airlines departs from Dulles International Airport on Tue, Mar 18, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 96 including taxes and charges.

      • IAD18:03
        6h 46m
        1 stop
        STL23:49
        Mon, Mar 10|Washington D.C. - St. Louis|Frontier Airlines
        NZD 96
        NZD 96

        Choose Frontier Airlines flights from Washington D.C. to St. Louis. The one-way connecting flight with Frontier Airlines departs from Dulles International Airport on Mon, Mar 10, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 96 including taxes and charges.

      • IAD17:54
        6h 52m
        1 stop
        STL23:46
        Tue, Apr 1|Washington D.C. - St. Louis|Frontier Airlines
        NZD 97
        NZD 97

        Choose Frontier Airlines flights from Washington D.C. to St. Louis. The one-way connecting flight with Frontier Airlines departs from Dulles International Airport on Tue, Apr 1, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 97 including taxes and charges.

      • IAD17:26
        7h 40m
        1 stop
        STL00:06
        Thu, May 8|Washington D.C. - St. Louis|Frontier Airlines
        NZD 97
        NZD 97

        Choose Frontier Airlines flights from Washington D.C. to St. Louis. The one-way connecting flight with Frontier Airlines departs from Dulles International Airport on Thu, May 8, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 97 including taxes and charges.

      • IAD18:03
        6h 46m
        1 stop
        STL23:49
        Mon, Mar 17|Washington D.C. - St. Louis|Frontier Airlines
        NZD 101
        NZD 101

        Choose Frontier Airlines flights from Washington D.C. to St. Louis. The one-way connecting flight with Frontier Airlines departs from Dulles International Airport on Mon, Mar 17, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 101 including taxes and charges.

      • IAD18:03
        6h 40m
        1 stop
        STL23:43
        Wed, Feb 26|Washington D.C. - St. Louis|Frontier Airlines
        NZD 102
        NZD 102

        Choose Frontier Airlines flights from Washington D.C. to St. Louis. The one-way connecting flight with Frontier Airlines departs from Dulles International Airport on Wed, Feb 26, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 102 including taxes and charges.

      • IAD11:45
        13h 1m
        1 stop
        STL23:46
        Thu, Apr 3|Washington D.C. - St. Louis|Frontier Airlines
        NZD 107
        NZD 107

        Choose Frontier Airlines flights from Washington D.C. to St. Louis. The one-way connecting flight with Frontier Airlines departs from Dulles International Airport on Thu, Apr 3, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 107 including taxes and charges.

      • WAS01:00 pm
        3h 5m
        Nonstop
        STL02:00 pm
        Fri, Feb 28|Washington D.C. - St. Louis|American Airlines
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Washington D.C. to St. Louis flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL2869

    Delta Air Lines

    06:00

    DCA

    1.6h

    07:36

    DTW

    SMTWTFS
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  2. DL2868

    Delta Air Lines

    08:50

    DTW

    1.7h

    09:31

    STL

    SMTWTFS

  3. DL2550

    Delta Air Lines

    06:00

    IAD

    1.9h

    07:54

    ATL

    SMTWTFS
    Search

  4. DL1571

    Delta Air Lines

    08:10

    ATL

    1.7h

    08:53

    STL

    SMTWTFS

  5. DL455

    Delta Air Lines

    09:00

    DCA

    2.0h

    11:02

    ATL

    SMTWTFS
    Search

  6. DL1485

    Delta Air Lines

    15:15

    ATL

    1.7h

    15:58

    STL

    SMTWTFS

  7. F9687

    Frontier Airlines

    13:28

    DCA

    4.3h

    15:44

    DEN

    SMTWTFS
    Search

  8. F93302

    Frontier Airlines

    06:00

    DEN

    2.1h

    09:09

    STL

    S-T-TFS

  9. DL5747

    Delta Air Lines

    14:00

    DCA

    1.4h

    15:27

    LGA

    SMTWTFS
    Search

  10. DL4926

    Delta Air Lines

    18:55

    LGA

    2.9h

    20:49

    STL

    SMTWT-S

  11. F9689

    Frontier Airlines

    18:00

    DCA

    4.1h

    20:08

    DEN

    SMTWTFS
    Search

  12. F93302

    Frontier Airlines

    06:00

    DEN

    2.1h

    09:09

    STL

    S-T-TFS

  13. F94811

    Frontier Airlines

    18:03

    IAD

    2.5h

    20:32

    MCO

    SMTWTFS
    Search

  14. F92635

    Frontier Airlines

    21:56

    MCO

    2.8h

    23:43

    STL

    SMTWTFS

  15. DL2902

    Delta Air Lines

    19:50

    IAD

    2.0h

    21:48

    ATL

    S-TWT-S
    Search

  16. DL1403

    Delta Air Lines

    22:55

    ATL

    1.7h

    23:38

    STL

    SMTWTFS

  17. AA5229

    American Airlines

    21:14

    DCA

    2.5h

    Nonstop

    22:44

    STL

    SMTWT-S
    Search
Find more flights and airlines

Find the best time to fly from Washington D.C. to St. Louis

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Airlines Flying from Washington D.C. to St. Louis

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Frontier Airlines logoFrontier AirlinesAmerican Airlines logoAmerican Airlines

FAQ

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

    Airlines adjust prices for flights from Washington D.C. to St. Louis 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 Washington D.C. (WAS) to St. Louis (STL) cost?

    According to Trip.com's data, the lowest price is around NZD 550.

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

    It takes around 2 hours 36 minutes to fly from Washington D.C. (WAS) to St. Louis (STL).

  • What is the transportation method from the main airport to downtown in St. Louis?

    • The distance from St. Louis Lambert International Airport to downtown is about 20 km. It takes about 40 minutes by taxi.

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

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

How to find a cheap flight from Washington D.C. to St. Louis

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Washington D.C. to St. Louis. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from Washington D.C. to St. Louis

Cheapest nonstop flight priceNZD 94
Cheapest round-trip ticket priceNZD 275
Off-season for travelMarch
Peak season for travelNovember
Flight distance1,139.76 km
Average flight time2 hours 36 minutes
Popular airlineAmerican Airlines

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