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Reagan-National

$73+ Cheap flights from Missouri to Reagan-National (DCA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DCA
dic. 26 — ene. 21
vie. 12/26
vie. 1/2
1 adult, Economy
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Find flight deals from Missouri to Reagan-National

Cheapest flights from Missouri to Reagan-National
Explore the most affordable flight options available from Missouri to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 26, 2025.

This Booking.com deal was found by Cheapflights users on 11/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/87:43 pmSTL - DCA
1 stop16h 23mFrontier
jue. 12/112:00 pmDCA - STL
1 stop21h 14mFrontier
Deal found 11/26$210
This Mytrip deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/127:43 pmSTL - DCA
1 stop20h 16mFrontier
dom. 12/142:00 pmDCA - STL
1 stop21h 14mFrontier
Deal found 11/25$213
This Booking.com deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/57:43 pmSTL - DCA
1 stop20h 16mFrontier
dom. 12/78:00 amDCA - STL
1 stop27h 14mFrontier
Deal found 11/24$214
This Southwest deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/97:00 pmSTL - DCA
Nonstop1h 55mSouthwest
mié. 12/108:15 amDCA - STL
Nonstop2h 20mSouthwest
Deal found 11/25$235
This Southwest deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/161:10 pmSTL - DCA
Nonstop2h 00mSouthwest
sáb. 1/108:00 amDCA - STL
Nonstop2h 35mSouthwest
Deal found 11/25$249
This United Airlines deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/226:20 pmSGF - DCA
1 stop4h 39mUnited Airlines
mar. 12/306:30 amDCA - SGF
1 stop5h 19mUnited Airlines
Deal found 11/24$249
This Southwest deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/317:00 pmSTL - DCA
Nonstop1h 55mSouthwest
mar. 1/612:00 pmDCA - STL
Nonstop2h 35mSouthwest
Deal found 11/24$251
This United Airlines deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/126:15 pmCOU - DCA
1 stop4h 44mUnited Airlines
dom. 12/1410:30 amDCA - COU
1 stop4h 56mUnited Airlines
Deal found 11/23$253
This Delta deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/96:39 amSTL - DCA
1 stop3h 58mDelta
mié. 12/1010:20 amDCA - STL
1 stop7h 01mDelta
Deal found 11/25$255
This Southwest deal was found by Cheapflights users on 11/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/237:55 pmSTL - DCA
Nonstop1h 55mSouthwest
jue. 1/16:10 pmDCA - STL
Nonstop2h 25mSouthwest
Deal found 11/26$263
This Delta deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/124:08 pmSGF - DCA
1 stop6h 32mDelta
lun. 1/510:15 amDCA - SGF
1 stop7h 00mDelta
Deal found 11/24$264
This American Airlines deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/186:00 amSTL - DCA
Nonstop2h 10mAmerican Airlines
sáb. 1/103:30 pmDCA - STL
Nonstop2h 32mAmerican Airlines
Deal found 11/25$265

Cheap flight deals from Missouri to Reagan-National

Keep the following information in mind while searching for Missouri to Reagan-National flight deals. Data was last updated noviembre 26, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$211
(Booking.com)

One-way from

$73
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$300

Good round-trip deal

$312 or less

Good one-way deal

$167 or less
Provider with most accurate pricing for Lambert-St Louis-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Washington, D.C. (WAS) flights.
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From Missouri to Washington, D.C. Reagan-National
Search Deals
One-way flight from Missouri to Washington, D.C. Reagan-National
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Missouri to Washington, D.C. Reagan-National.
Search Deals
Price to beat on a one-way flight from Missouri to Washington, D.C. Reagan-National.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Reagan-National that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated noviembre 26, 2025.
Use the filters below to find and compare flights from Missouri to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Missouri

Fly to

Reagan-National

Route

Depart

Return

Price

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

sáb. 1/24

3:50 pm-6:50 pm

Nonstop2h 00m

Washington, D.C. Reagan-National

mar. 1/27

8:00 am-9:35 am

Nonstop2h 35m

$235

SpringfieldWashington, D.C.

SGF - DCA

SGFDCA

Springfield-Branson

lun. 12/22

4:00 pm-11:00 pm

1 stop6h 00m

Washington, D.C. Reagan-National

mar. 12/30

5:00 am-10:59 am

1 stop6h 59m

$249

SpringfieldWashington, D.C.

SGF - DCA

SGFDCA

Springfield-Branson

lun. 12/22

6:20 pm-11:59 pm

1 stop4h 39m

Washington, D.C. Reagan-National

mar. 12/30

6:30 am-10:49 am

1 stop5h 19m

$249

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

mié. 12/31

7:00 pm-9:55 pm

Nonstop1h 55m

Washington, D.C. Reagan-National

mar. 1/6

12:00 pm-1:35 pm

Nonstop2h 35m

$251

ColumbiaWashington, D.C.

COU - DCA

COUDCA

Columbia Regional

vie. 12/12

6:15 pm-11:59 pm

1 stop4h 44m

Washington, D.C. Reagan-National

dom. 12/14

10:30 am-2:26 pm

1 stop4h 56m

$253

JoplinWashington, D.C.

JLN - DCA

JLNDCA

Joplin

vie. 1/16

8:52 am-4:59 pm

1 stop7h 07m

Washington, D.C. Reagan-National

sáb. 1/24

10:30 am-5:34 pm

1 stop8h 04m

$254

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

mié. 1/21

9:45 am-4:19 pm

1 stop5h 34m

Washington, D.C. Reagan-National

sáb. 1/24

6:04 am-9:39 am

1 stop4h 35m

$255

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

mié. 1/21

6:35 am-12:00 pm

1 stop4h 25m

Washington, D.C. Reagan-National

mié. 1/28

12:55 pm-4:37 pm

1 stop4h 42m

$255

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

mar. 1/27

6:35 am-12:00 pm

1 stop4h 25m

Washington, D.C. Reagan-National

mar. 1/27

7:30 pm-11:37 pm

1 stop5h 07m

$255

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

sáb. 1/24

6:00 am-11:20 am

1 stop4h 20m

Washington, D.C. Reagan-National

mié. 1/28

12:20 pm-4:07 pm

1 stop4h 47m

$255

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Showing 1-10 of 55 results
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Best time to book a flight from Missouri to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Missouri with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Missouri to Washington, D.C. Reagan-National Airport

What is the cheapest month to book a flight from Missouri to Washington, D.C. Reagan-National Airport?

Currently, November is the cheapest month in which you can book a flight from Missouri to Washington, D.C. Reagan-National Airport (average of $87). Flying from Missouri to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $220). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MO to DCA?

Find hourly flight availability from Missouri to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 26, 2025.

A simple way to save on the total cost of your ticket is to fly from Missouri to Washington, D.C. Reagan-National Airport in the evening. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight in the afternoon.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Missouri to Washington, D.C. Reagan-National Airport?

    Airlines like Southwest, American Airlines, and United Airlines fly from Missouri to Washington, D.C. Reagan-National Airport in about 2h. The time it takes to get you to your destination can typically vary by up to 4h. There are 717 mi between Missouri and Washington, D.C. Reagan-National Airport. This flight may include one or multiple stops.

  • What are the most popular routes from Missouri to Washington, D.C. Reagan-National Airport?

    When deciding which route to take from Missouri to Washington, D.C. Reagan-National Airport consider Lambert-St Louis - Washington, D.C. Reagan-National, Kansas City - Washington, D.C. Reagan-National or Springfield-Branson - Washington, D.C. Reagan-National as they are the most popular.

  • What are the most reliable airlines from Missouri to Washington, D.C. Reagan-National Airport?

    No one likes to see their flight delayed. When booking a flight from Missouri to Washington, D.C. Reagan-National Airport consider choosing PSA Airlines (81%), American Airlines (75%) or Republic Airways (72%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Missouri to Washington, D.C. Reagan-National Airport?

    While on average a flight from Missouri to Washington, D.C. Reagan-National Airport is generally $300, our data shows the cheapest flight currently is $131. When looking at the most popular route, (Lambert-St Louis - Washington, D.C. Reagan-National), you can expect to pay $235 for that flight.

  • Can I find deals for flights from Missouri to Reagan-National that include hotel bookings?

    Yes. In addition to deals on Missouri to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Reagan-National?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Reagan-National.

  • Can I find deals for business class flights from Missouri to Reagan-National?

    Yes. Cheapflights offers flight deals from Missouri to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Missouri to Washington, D.C. Reagan-National Airport?

    Currently, November is the cheapest month in which you can book a flight from Missouri to Washington, D.C. Reagan-National Airport (average of $87). Flying from Missouri to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $220). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Alexandria
Tysons
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean

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Alternative routes for Missouri to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Baltimore flights
Dallas/Fort Worth to Dulles Intl flights
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Los Angeles to Dulles Intl flights
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John F Kennedy Intl to Dulles Intl flights
O'Hare Intl to Baltimore flights
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Boston to Dulles Intl flights
O'Hare Intl to Dulles Intl flights
LaGuardia to Reagan-National flights
Denver to Dulles Intl flights
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Hobby to Reagan-National flights
Denver to Baltimore flights
Atlanta to Reagan-National flights
Hobby to Dulles Intl flights
Miami to Dulles Intl flights
John F Kennedy Intl to Reagan-National flights
Tampa to Baltimore flights
George Bush Intcntl to Baltimore flights
Fort Lauderdale to Baltimore flights
Orlando to Reagan-National flights
George Bush Intcntl to Dulles Intl flights
Minneapolis to Reagan-National flights
Denver to Reagan-National flights
Orlando to Baltimore flights
George Bush Intcntl to Reagan-National flights
Minneapolis to Dulles Intl flights
Love Field to Baltimore flights
Fort Lauderdale to Reagan-National flights
Fort Lauderdale to Dulles Intl flights
Newark to Dulles Intl flights
Minneapolis to Baltimore flights
Miami to Reagan-National flights
Newark to Reagan-National flights
Seattle to Baltimore flights
Detroit to Dulles Intl flights

Top 5 airlines flying from Missouri to Reagan-National

Discover the top 5 airlines that operate flights from Missouri to Reagan-National. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated noviembre 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$124Average$240FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$151Average$354FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$197Average$330FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$238Average$424FlexibilityNo cancel feeOn-time69%
DeltaCheapest$278Average$393FlexibilityNo cancel feeOn-timeN/A

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