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$64+ 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — STL
Jan 4 — Jan 111
Sun 1/4
Sun 1/11
1 adult, Economy
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Cheap 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 December 5, 2025.

This Mytrip deal was found by Cheapflights users on 12/2. 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.
Thu 12/48:00 amDCA - MCI
1 stop12h 14mFrontier
Sun 12/148:45 pmMCI - DCA
1 stop15h 21mFrontier
Deal found 12/2$276
This Mytrip deal was found by Cheapflights users on 12/2. 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.
Sun 12/148:00 amDCA - MCI
1 stop12h 50mFrontier
Mon 12/158:45 pmMCI - DCA
1 stop15h 21mFrontier
Deal found 12/2$277
This American Airlines deal was found by Cheapflights users on 12/3. 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.
Wed 12/3110:35 amDCA - MCI
1 stop7h 07mAmerican Airlines
Wed 1/73:38 pmMCI - DCA
Nonstop2h 37mAmerican Airlines
Deal found 12/3$278
This American Airlines deal was found by Cheapflights users on 12/3. 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.
Thu 12/1811:55 amDCA - SGF
1 stop7h 59mAmerican Airlines
Mon 12/226:25 pmSGF - DCA
1 stop4h 20mAmerican Airlines
Deal found 12/3$279
This American Airlines deal was found by Cheapflights users on 12/2. 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.
Tue 12/168:59 pmDCA - MCI
Nonstop2h 55mAmerican Airlines
Wed 12/171:13 pmMCI - DCA
1 stop6h 02mAmerican Airlines
Deal found 12/2$279
This Booking.com deal was found by Cheapflights users on 12/3. 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.
Thu 12/112:00 pmDCA - MCI
1 stop24h 53mFrontier
Sun 12/148:45 pmMCI - DCA
1 stop15h 21mFrontier
Deal found 12/3$280
This Mytrip deal was found by Cheapflights users on 12/1. 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.
Fri 12/128:00 amDCA - MCI
1 stop6h 53mFrontier
Sun 12/148:45 pmMCI - DCA
1 stop15h 21mFrontier
Deal found 12/1$281
This American Airlines deal was found by Cheapflights users on 12/2. 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.
Thu 12/251:44 pmDCA - MCI
1 stop6h 07mAmerican Airlines
Tue 1/63:38 pmMCI - DCA
Nonstop2h 37mAmerican Airlines
Deal found 12/2$287
This Trip.com deal was found by Cheapflights users on 12/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:00 pmDCA - MCI
1 stop26h 50mFrontier
Mon 12/158:45 pmMCI - DCA
1 stop15h 21mFrontier
Deal found 12/4$289
This American Airlines deal was found by Cheapflights users on 12/2. 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 12/126:00 amDCA - SGF
1 stop5h 05mAmerican Airlines
Fri 1/912:45 pmSGF - DCA
1 stop5h 59mAmerican Airlines
Deal found 12/2$294
This CheapOair deal was found by Cheapflights users on 12/3. 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 12/48:00 amDCA - STL
1 stop27h 14mFrontier
Sat 12/67:43 pmSTL - DCA
1 stop16h 23mFrontier
Deal found 12/3$294
This Southwest deal was found by Cheapflights users on 12/3. 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.
Tue 12/161:15 pmDCA - STL
1 stop4h 05mSouthwest
Wed 12/175:45 amSTL - DCA
2 stops8h 20mSouthwest
Deal found 12/3$295

Find 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 December 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$249
(American Airlines)

One-way from

$64
(Priceline)

Popular in

December

Cheapest in

August

Average price

$383

Good round-trip deal

$332 or less

Good one-way deal

$154 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Lambert-St Louis 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. 10% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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

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 December 5, 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.Springfield

DCA - SGF

DCASGF

Washington, D.C. Reagan-National

Thu 1/1

9:36 am-3:12 pm

1 stop6h 36m

Springfield-Branson

Thu 1/8

5:00 pm-10:55 pm

1 stop4h 55m

$249

Washington, D.C.Springfield

DCA - SGF

DCASGF

Washington, D.C. Reagan-National

Fri 1/16

6:00 am-11:49 am

1 stop6h 49m

Springfield-Branson

Sun 1/18

5:00 pm-11:59 pm

1 stop5h 59m

$249

Washington, D.C.Springfield

DCA - SGF

DCASGF

Washington, D.C. Reagan-National

Sat 1/31

7:00 am-12:11 pm

1 stop6h 11m

Springfield-Branson

Tue 2/3

12:01 pm-6:29 pm

1 stop5h 28m

$259

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Mon 1/26

6:00 pm-11:59 pm

1 stop6h 59m

Lambert-St Louis

Thu 1/29

7:00 am-2:39 pm

1 stop6h 39m

$263

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Thu 1/8

6:00 pm-10:58 pm

1 stop5h 58m

Lambert-St Louis

Mon 1/12

7:00 am-3:39 pm

1 stop7h 39m

$263

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Fri 1/2

6:00 pm-10:02 am

1 stop17h 02m

Lambert-St Louis

Fri 1/9

7:43 pm-4:59 pm

1 stop20h 16m

$291

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Tue 12/16

1:15 pm-4:20 pm

1 stop4h 05m

Lambert-St Louis

Wed 12/17

5:45 am-3:05 pm

2 stops8h 20m

$295

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Fri 1/2

8:14 pm-9:45 pm

Nonstop2h 31m

Lambert-St Louis

Fri 1/9

9:54 am-12:59 pm

Nonstop2h 05m

$298

Washington, D.C.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Fri 12/26

5:35 pm-9:05 pm

1 stop4h 30m

Kansas City

Tue 1/6

6:00 am-12:57 pm

1 stop5h 57m

$304

Washington, D.C.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Mon 1/5

6:10 am-12:55 pm

1 stop7h 45m

Kansas City

Wed 1/7

6:00 am-2:15 pm

2 stops7h 15m

$308

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 55 results
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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, September is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Missouri (average of $154). Flying from Washington, D.C. Reagan-National Airport to Missouri in December is currently the most expensive (average of $259). 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 December 5, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Reagan-National Airport to Missouri in the evening. If you’re flexible enough to do this you can expect to save up to 55% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Missouri?

Use this chart to determine the cheapest time to fly round-trip from Reagan-National to Missouri. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Missouri flight should consider departing on Monday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 5, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Missouri, such as Southwest, Delta, and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,250 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,250 reviews
Southwest
8.0
Very good
4,250 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,010 reviews
Southwest
8.0
Very good
4,250 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,063 reviews
Southwest
8.0
Very good
4,250 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,047 reviews
Southwest
8.0
Very good
4,250 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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.

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

    American Airlines, Delta, and Southwest can get you from Washington, D.C. Reagan-National Airport to Missouri in just under 2h 20m. Your travel time can differ by up to 4h 16m. Airlines will cover a distance of 717 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 Frontier ($50), American Airlines ($98), and Southwest ($98).

  • 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 - Lambert-St Louis. You may also consider Washington, D.C. Reagan-National - Kansas City 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: Envoy Air (100%), Republic Airways (85%), American Airlines (80%).

  • 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 $118. While the most popular route (Washington, D.C. Reagan-National - Lambert-St Louis) can be booked for $133 on average, our data indicates $310 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, September is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Missouri (average of $154). Flying from Washington, D.C. Reagan-National Airport to Missouri in December is currently the most expensive (average of $259). 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

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Alternative routes for Reagan-National to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
Reagan-National to Miami flights
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Baltimore to Denver flights
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Baltimore to Boston flights
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Reagan-National to John F Kennedy Intl flights
Reagan-National to George Bush Intcntl flights
Reagan-National to Denver flights

Top 4 airlines flying from Reagan-National to Missouri

Discover the top 4 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 December 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$155Average$346FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$173Average$372FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$187Average$352FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$223Average$421FlexibilityNo cancel feeOn-time69%

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