HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Missouri

$90+ Cheap flights from Reagan-National (DCA) to Missouri

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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — STL
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Reagan-National to Missouri with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Reagan-National to Missouri

Keep the following information in mind while searching for Reagan-National to Missouri flight deals. Data was last updated April 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$213
(American Airlines)

One-way from

$90
(Southwest)

Popular in

January

Cheapest in

August

Average price

$417

Good round-trip deal

$270 or less

Good one-way deal

$138 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Kansas City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Kansas City flights.
Search Deals
From Washington, D.C. Reagan-National to Missouri
Search Deals
One-way flight from Washington, D.C. Reagan-National to Missouri
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Reagan-National to Missouri.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Reagan-National to Missouri.
Search Deals

Find flight deals from Reagan-National to Missouri

Cheapest flights from Reagan-National to Missouri
Explore the most affordable flight options available from Reagan-National to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This Booking.com deal was found by Cheapflights users on 4/17. 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.
Fri 4/251:00 pmDCA - STL
1 stop22h 01mFrontier
Mon 4/286:58 pmSTL - DCA
1 stop16h 11mFrontier
Deal found 4/17$208
This American Airlines deal was found by Cheapflights users on 4/17. 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.
Sat 5/2410:20 amDCA - STL
Nonstop2h 32mAmerican Airlines
Wed 5/284:01 pmSTL - DCA
Nonstop1h 58mAmerican Airlines
Deal found 4/17$213
This Southwest deal was found by Cheapflights users on 4/15. 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.
Thu 5/228:00 amDCA - STL
Nonstop2h 10mSouthwest
Sun 5/257:00 amSTL - DCA
1 stop4h 20mSouthwest
Deal found 4/15$214
This Delta deal was found by Cheapflights users on 4/16. 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.
Sat 5/2410:20 amDCA - STL
1 stop7h 15mDelta
Sun 5/253:40 pmSTL - DCA
1 stop7h 03mDelta
Deal found 4/16$217
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Wed 7/27:00 pmDCA - STL
1 stop4h 45mUnited Airlines
Wed 7/168:00 amSTL - DCA
1 stop3h 58mUnited Airlines
Deal found 4/17$224
This American Airlines deal was found by Cheapflights users on 4/17. 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.
Sat 5/103:15 pmDCA - MCI
Nonstop3h 07mAmerican Airlines
Tue 5/135:45 pmMCI - DCA
Nonstop2h 27mAmerican Airlines
Deal found 4/17$253
This Southwest deal was found by Cheapflights users on 4/16. 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.
Sat 5/106:55 amDCA - MCI
Nonstop2h 45mSouthwest
Sun 5/117:45 amMCI - DCA
Nonstop2h 25mSouthwest
Deal found 4/16$260
This Delta deal was found by Cheapflights users on 4/16. 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.
Wed 5/76:00 amDCA - MCI
1 stop4h 42mDelta
Wed 5/2810:30 amMCI - DCA
1 stop6h 52mDelta
Deal found 4/16$273
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Fri 5/27:00 pmDCA - JLN
1 stop5h 45mUnited Airlines
Mon 5/57:59 amJLN - DCA
1 stop6h 42mUnited Airlines
Deal found 4/17$284
This CheapOair deal was found by Cheapflights users on 4/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/87:00 amDCA - MCI
1 stop13h 51mFrontier
Sun 5/118:51 pmMCI - DCA
1 stop24h 08mFrontier
Deal found 4/17$301
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Thu 5/86:25 amDCA - MCI
1 stop5h 11mUnited Airlines
Sun 5/117:45 amMCI - DCA
1 stop5h 26mUnited Airlines
Deal found 4/16$309
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Fri 7/46:30 amDCA - SGF
1 stop7h 06mAmerican Airlines
Tue 7/85:41 pmSGF - DCA
1 stop5h 09mAmerican Airlines
Deal found 4/16$357

Cheapflights Fare Finder

Customize your flight search to find flights from Reagan-National to Missouri 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 April 17, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Missouri that are best for you.

Fly from

Reagan-National

Fly to

Missouri

Route

Depart

Return

Price

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Fri 4/25

1:00 pm-10:01 am

1 stop22h 01m

Lambert-St Louis

Mon 4/28

6:58 pm-12:09 pm

1 stop16h 11m

$208

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Sat 5/24

10:20 am-11:52 am

Nonstop2h 32m

Lambert-St Louis

Wed 5/28

4:01 pm-6:59 pm

Nonstop1h 58m

$213

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Thu 5/22

8:00 am-9:10 am

Nonstop2h 10m

Lambert-St Louis

Sun 5/25

7:00 am-12:20 pm

1 stop4h 20m

$214

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Sat 5/24

10:20 am-4:35 pm

1 stop7h 15m

Lambert-St Louis

Sun 5/25

3:40 pm-11:43 pm

1 stop7h 03m

$217

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Wed 7/2

7:00 pm-10:45 pm

1 stop4h 45m

Lambert-St Louis

Wed 7/16

8:00 am-12:58 pm

1 stop3h 58m

$224

Washington, D.C.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Sat 5/10

3:15 pm-5:22 pm

Nonstop3h 07m

Kansas City

Tue 5/13

5:45 pm-9:12 pm

Nonstop2h 27m

$253

Washington, D.C.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Sat 5/10

6:55 am-8:40 am

Nonstop2h 45m

Kansas City

Sun 5/11

7:45 am-11:10 am

Nonstop2h 25m

$260

Washington, D.C.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Wed 5/7

6:00 am-9:42 am

1 stop4h 42m

Kansas City

Wed 5/28

10:30 am-6:22 pm

1 stop6h 52m

$273

Washington, D.C.Joplin

DCA - JLN

DCAJLN

Washington, D.C. Reagan-National

Fri 5/2

7:00 pm-11:45 pm

1 stop5h 45m

Joplin

Mon 5/5

7:59 am-3:41 pm

1 stop6h 42m

$284

Washington, D.C.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Thu 5/8

7:00 am-7:51 pm

1 stop13h 51m

Kansas City

Sun 5/11

8:51 pm-9:59 pm

1 stop24h 08m

$301

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 29 results
1
2
3

Best time to book a flight from Reagan-National to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from Reagan-National 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 Washington, D.C. Reagan-National Airport to Missouri

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Missouri (average of $311). Flying from Washington, D.C. Reagan-National Airport to Missouri in March is currently the most expensive (average of $356). 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 DCA to MO?

Find hourly flight availability from Reagan-National to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Missouri as you normally would.

Weekly flight availability from Washington, D.C. Reagan-National Airport to Missouri

Explore weekly flight availability from Reagan-National to Missouri. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 17, 2025.

The most flights from DCA to USMO are scheduled on a Monday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Missouri by month

Plan your trip to Missouri by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Missouri ranges from 1.1 - 5.2 inches per month. May is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Missouri when rainfall is around 1.1 in.

Temperature in Missouri by month

Plan your trip to Missouri by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Missouri, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing Missouri

Get insights into the airlines that provide service to Missouri. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Missouri. Reviews last updated April 17, 2025.
To help decide which airline to fly from Washington, D.C. to Missouri, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,882 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

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

  • What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Missouri one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. Reagan-National Airport to Missouri are Southwest ($90), Frontier ($96), and United Airlines ($100).

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

    The most popular route from Washington, D.C. Reagan-National Airport to Missouri is Washington, D.C. Reagan-National - Kansas City. You may also consider Washington, D.C. Reagan-National - Lambert-St Louis or Washington, D.C. Reagan-National - Springfield-Branson.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Reagan-National Airport to Missouri on time: Southwest (80%), American Airlines (52%), PSA Airlines (46%).

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

    Looking at all options, your cheapest flight can be booked for $99. While the most popular route (Washington, D.C. Reagan-National - Kansas City) can be booked for $260 on average our data indicates $273 when flying from Washington, D.C. Reagan-National Airport to Missouri.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Reagan-National to Missouri 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 Washington, D.C. Reagan-National Airport to Missouri?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Missouri (average of $311). Flying from Washington, D.C. Reagan-National Airport to Missouri in March is currently the most expensive (average of $356). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Reagan-National to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
Baltimore to Dallas/Fort Worth flights
Reagan-National to Los Angeles flights
Dulles Intl to Las Vegas flights
Dulles Intl to Dallas/Fort Worth flights
Baltimore to Miami flights
Dulles Intl to Los Angeles flights
Dulles Intl to Seattle flights
Reagan-National to Miami flights
Reagan-National to Seattle flights
Dulles Intl to San Francisco flights
Baltimore to Fort Lauderdale flights
Reagan-National to Las Vegas flights
Dulles Intl to Hobby flights
Dulles Intl to Miami flights
Baltimore to Las Vegas flights
Dulles Intl to O'Hare Intl flights
Baltimore to Seattle flights
Reagan-National to Dallas/Fort Worth flights
Reagan-National to Boston flights
Baltimore to Orlando flights
Baltimore to Los Angeles flights
Reagan-National to O'Hare Intl flights
Dulles Intl to Atlanta flights
Reagan-National to San Francisco flights
Baltimore to Hobby flights
Dulles Intl to Orlando flights
Baltimore to Denver flights
Dulles Intl to Tampa flights
Dulles Intl to Boston flights
Reagan-National to Orlando flights
Baltimore to Boston flights
Reagan-National to Atlanta flights
Baltimore to San Francisco flights
Baltimore to Atlanta flights
Dulles Intl to Denver flights
Baltimore to O'Hare Intl flights
Dulles Intl to Fort Lauderdale flights
Dulles Intl to George Bush Intcntl flights
Dulles Intl to Sky Harbor Intl flights
Dulles Intl to Midway flights
Dulles Intl to Austin flights
Reagan-National to Tampa flights
Dulles Intl to San Diego flights
Dulles Intl to New Orleans flights
Reagan-National to Denver flights
Reagan-National to Fort Lauderdale flights
Reagan-National to Hobby flights
Baltimore to Tampa flights
Baltimore to Sky Harbor Intl flights
Reagan-National to Nashville flights

Top 5 airlines flying from Reagan-National to Missouri

Discover the top 5 airlines that operate flights from Reagan-National to Missouri. 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$120Average$274FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$187Average$430FlexibilityNo cancel feeOn-time71%
DeltaCheapest$198Average$358FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$201Average$351FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$223Average$427FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.