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$68+ 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — STL
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
1 adult, Economy
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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 October 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$192
(Frontier)

One-way from

$68
(Kiwi.com)

Popular in

October

Cheapest in

August

Average price

$393

Good round-trip deal

$299 or less

Good one-way deal

$149 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Lambert-St Louis flights.
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From Washington, D.C. Reagan-National to Missouri
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One-way flight from Washington, D.C. Reagan-National to Missouri
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Highest demand for flights based on searches. 2% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Washington, D.C. Reagan-National to Missouri.
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Price to beat on a one-way flight from Washington, D.C. Reagan-National to Missouri.
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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 October 22, 2025.

This Frontier deal was found by Cheapflights users on 10/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/58:00 amDCA - MCI
1 stop6h 53mFrontier
Fri 12/122:48 pmMCI - DCA
1 stop6h 11mFrontier
Deal found 10/21$192
This Southwest deal was found by Cheapflights users on 10/20. 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 12/1311:25 amDCA - MCI
1 stop5h 50mSouthwest
Tue 12/164:30 pmMCI - DCA
1 stop6h 05mSouthwest
Deal found 10/20$194
This Delta deal was found by Cheapflights users on 10/21. 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 12/66:06 amDCA - MCI
1 stop4h 50mDelta
Wed 12/105:13 pmMCI - DCA
1 stop5h 27mDelta
Deal found 10/21$197
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:00 pmDCA - MCI
1 stop25h 53mFrontier
Mon 12/812:46 pmMCI - DCA
2 stops22h 19mFrontier
Deal found 10/20$198
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/158:15 amDCA - MCI
1 stop12h 18mFrontier
Sun 11/168:28 pmMCI - DCA
1 stop15h 34mFrontier
Deal found 10/20$199
This Delta deal was found by Cheapflights users on 10/21. 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.
Thu 12/48:59 amDCA - MCI
1 stop6h 22mDelta
Fri 12/123:27 pmMCI - DCA
1 stop5h 14mDelta
Deal found 10/21$201
This Trip.com deal was found by Cheapflights users on 10/21. 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.
Thu 11/62:00 pmDCA - MCI
1 stop6h 38mFrontier
Mon 11/108:28 pmMCI - DCA
1 stop24h 31mFrontier
Deal found 10/21$202
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Sun 12/148:20 amDCA - MCI
Nonstop3h 15mAmerican Airlines
Tue 12/167:00 amMCI - DCA
1 stop7h 59mAmerican Airlines
Deal found 10/21$203
This American Airlines deal was found by Cheapflights users on 10/21. 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 12/48:59 pmDCA - MCI
Nonstop2h 55mAmerican Airlines
Sun 12/76:00 amMCI - DCA
Nonstop2h 30mAmerican Airlines
Deal found 10/21$213
This Southwest deal was found by Cheapflights users on 10/21. 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 12/66:05 amDCA - MCI
1 stop4h 50mSouthwest
Sat 12/63:05 pmMCI - DCA
1 stop4h 15mSouthwest
Deal found 10/21$215
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/138:15 amDCA - MCI
1 stop12h 23mFrontier
Tue 11/186:49 pmMCI - DCA
1 stop17h 13mFrontier
Deal found 10/20$218
This Kiwi.com deal was found by Cheapflights users on 10/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:00 pmDCA - STL
1 stop16h 07mFrontier
Fri 11/79:07 pmSTL - DCA
2 stops18h 52mFrontier
Deal found 10/18$239

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 October 22, 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.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Sat 12/6

6:06 am-9:56 am

1 stop4h 50m

Kansas City

Wed 12/10

5:13 pm-11:40 pm

1 stop5h 27m

$197

Washington, D.C.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Sat 12/6

6:06 am-9:56 am

1 stop4h 50m

Kansas City

Thu 12/11

6:29 am-11:37 am

1 stop4h 08m

$199

Washington, D.C.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Thu 2/26

11:00 am-6:08 pm

1 stop8h 08m

Kansas City

Mon 3/2

6:00 am-11:59 am

1 stop4h 59m

$201

Washington, D.C.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Thu 12/4

8:59 am-2:21 pm

1 stop6h 22m

Kansas City

Thu 12/11

6:29 am-11:37 am

1 stop4h 08m

$201

Washington, D.C.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Tue 12/23

7:30 pm-12:30 am

1 stop6h 00m

Kansas City

Thu 1/1

7:40 am-11:00 am

Nonstop2h 20m

$203

Washington, D.C.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Sat 12/13

6:00 am-11:35 am

2 stops6h 35m

Kansas City

Tue 12/16

5:25 pm-11:55 pm

1 stop5h 30m

$220

Washington, D.C.Columbia

DCA - COU

DCACOU

Washington, D.C. Reagan-National

Sat 11/8

5:07 pm-9:19 pm

1 stop5h 12m

Columbia Regional

Sat 11/15

3:02 pm-10:42 pm

1 stop6h 40m

$243

Washington, D.C.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Tue 12/2

5:31 pm-9:13 pm

1 stop4h 42m

Kansas City

Fri 12/12

5:45 pm-11:08 pm

1 stop4h 23m

$245

Washington, D.C.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Tue 12/2

6:02 am-9:56 am

1 stop4h 54m

Kansas City

Thu 12/11

6:29 am-11:37 am

1 stop4h 08m

$245

Washington, D.C.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Fri 12/5

6:00 pm-9:58 pm

1 stop4h 58m

Kansas City

Tue 12/9

6:27 pm-11:59 pm

1 stop4h 32m

$247

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Showing 1-10 of 54 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, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Missouri (average of $94). Flying from Washington, D.C. Reagan-National Airport to Missouri in January is currently the most expensive (average of $229). 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 October 22, 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 49% 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 October 22, 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
4,235 reviews

Food

7.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,235 reviews
Southwest
8.0
Very good
4,235 reviews

Food

7.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,981 reviews
Southwest
8.0
Very good
4,235 reviews

Food

7.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,988 reviews
Southwest
8.0
Very good
4,235 reviews

Food

7.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,029 reviews
Southwest
8.0
Very good
4,235 reviews

Food

7.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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?

    Delta, Southwest, and United Airlines can get you from Washington, D.C. Reagan-National Airport to Missouri in just under 4h 50m. Your travel time can differ by up to 1h 10m. Airlines will cover a distance of 947 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 Southwest ($75), Delta ($101), and United Airlines ($101).

  • 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 (95%), Republic Airways (90%), American Airlines (82%).

  • 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 $88. While the most popular route (Washington, D.C. Reagan-National - Lambert-St Louis) can be booked for $144 on average, our data indicates $301 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, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Missouri (average of $94). Flying from Washington, D.C. Reagan-National Airport to Missouri in January is currently the most expensive (average of $229). 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.
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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 October 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$155Average$378FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$175Average$461FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$188Average$344FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$223Average$421FlexibilityNo cancel feeOn-time69%

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