Reagan-National

$99+ 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DCA
Jun 23 — Jun 301
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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 June 18, 2025.

Round-trip from

$204
(American Airlines)

One-way from

$99
(American Airlines)

Popular in

March

Cheapest in

November

Average price

$365

Good round-trip deal

$239 or less

Good one-way deal

$123 or less
From Missouri to Washington, D.C. Reagan-National
One-way flight from Missouri to Washington, D.C. Reagan-National
Highest demand for flights based on searches. 6% potential increase in price ($21 potential increase over avg. RT price).
Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
Average for round-trip flights in June 2025
Price to beat on a round-trip flight from Missouri to Washington, D.C. Reagan-National.
Price to beat on a one-way flight from Missouri to Washington, D.C. Reagan-National.

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 June 18, 2025.

This American Airlines deal was found by Cheapflights users on 6/16. 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.
Wed 7/29:56 amSTL - DCA
Nonstop2h 03mAmerican Airlines
Wed 7/97:54 pmDCA - STL
Nonstop2h 25mAmerican Airlines
Deal found 6/16$204
This FlightHub deal was found by Cheapflights users on 6/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/117:29 pmSTL - DCA
1 stop25h 28mFrontier
Tue 7/157:00 amDCA - STL
1 stop27h 11mFrontier
Deal found 6/15$210
This Delta deal was found by Cheapflights users on 6/16. 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 9/245:40 pmSTL - DCA
1 stop4h 39mDelta
Mon 9/296:25 pmDCA - STL
1 stop6h 14mDelta
Deal found 6/16$217
This Southwest deal was found by Cheapflights users on 6/16. 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.
Wed 7/23:55 pmSTL - DCA
Nonstop2h 00mSouthwest
Sat 7/52:00 pmDCA - STL
1 stop3h 25mSouthwest
Deal found 6/16$220
This American Airlines deal was found by Cheapflights users on 6/17. 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.
Thu 8/144:10 pmMCI - DCA
Nonstop2h 34mAmerican Airlines
Sun 8/176:30 amDCA - MCI
1 stop4h 47mAmerican Airlines
Deal found 6/17$238
This United Airlines deal was found by Cheapflights users on 6/17. 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.
Sat 7/265:00 amSTL - DCA
1 stop4h 56mUnited Airlines
Sat 7/267:00 pmDCA - STL
1 stop5h 35mUnited Airlines
Deal found 6/17$244
This Southwest deal was found by Cheapflights users on 6/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/297:45 amMCI - DCA
Nonstop2h 20mSouthwest
Mon 9/16:10 amDCA - MCI
Nonstop2h 35mSouthwest
Deal found 6/17$245
This FlightHub deal was found by Cheapflights users on 6/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/208:01 pmMCI - DCA
1 stop14h 59mFrontier
Mon 6/237:00 amDCA - MCI
1 stop13h 06mFrontier
Deal found 6/15$249
This American Airlines deal was found by Cheapflights users on 6/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/245:41 pmSGF - DCA
1 stop5h 09mAmerican Airlines
Tue 10/283:54 pmDCA - SGF
1 stop6h 14mAmerican Airlines
Deal found 6/15$249
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/307:00 amMCI - DCA
1 stop6h 49mDelta
Wed 8/67:59 amDCA - MCI
1 stop5h 04mDelta
Deal found 6/15$257
This United Airlines deal was found by Cheapflights users on 6/17. 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 7/28:05 amJLN - DCA
1 stop5h 08mUnited Airlines
Sun 7/66:00 pmDCA - JLN
1 stop6h 40mUnited Airlines
Deal found 6/17$284
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Tue 7/18:00 amSGF - DCA
1 stop5h 13mUnited Airlines
Sat 7/56:25 amDCA - SGF
1 stop5h 23mUnited Airlines
Deal found 6/16$284

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 June 18, 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

Fri 7/4

9:56 am-12:59 pm

Nonstop2h 03m

Washington, D.C. Reagan-National

Sat 7/12

2:58 pm-4:17 pm

Nonstop2h 19m

$204

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Thu 8/7

3:40 pm-6:40 pm

Nonstop2h 00m

Washington, D.C. Reagan-National

Mon 8/11

7:20 pm-10:35 pm

1 stop4h 15m

$207

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Fri 7/11

7:29 pm-9:57 pm

1 stop25h 28m

Washington, D.C. Reagan-National

Tue 7/15

7:00 am-9:11 am

1 stop27h 11m

$210

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Tue 7/1

1:30 pm-8:46 pm

1 stop6h 16m

Washington, D.C. Reagan-National

Sat 7/5

12:10 pm-4:18 pm

1 stop5h 08m

$217

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

Thu 8/14

4:10 pm-7:44 pm

Nonstop2h 34m

Washington, D.C. Reagan-National

Sun 8/17

6:30 am-10:17 am

1 stop4h 47m

$238

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Sat 7/26

5:00 am-10:56 am

1 stop4h 56m

Washington, D.C. Reagan-National

Sat 7/26

7:00 pm-11:35 pm

1 stop5h 35m

$244

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

Fri 8/29

7:45 am-11:05 am

Nonstop2h 20m

Washington, D.C. Reagan-National

Mon 9/1

6:10 am-7:45 am

Nonstop2h 35m

$245

SpringfieldWashington, D.C.

SGF - DCA

SGFDCA

Springfield-Branson

Fri 10/24

5:41 pm-11:50 pm

1 stop5h 09m

Washington, D.C. Reagan-National

Tue 10/28

3:54 pm-9:08 pm

1 stop6h 14m

$249

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

Wed 7/30

7:00 am-2:49 pm

1 stop6h 49m

Washington, D.C. Reagan-National

Wed 8/6

7:59 am-12:03 pm

1 stop5h 04m

$257

JoplinWashington, D.C.

JLN - DCA

JLNDCA

Joplin

Wed 7/2

8:05 am-2:13 pm

1 stop5h 08m

Washington, D.C. Reagan-National

Sun 7/6

6:00 pm-11:40 pm

1 stop6h 40m

$284

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 34 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, February is the cheapest month in which you can book a flight from Missouri to Washington, D.C. Reagan-National Airport (average of $278). Flying from Missouri to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $337). 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 June 18, 2025.

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

Rainfall in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

Temperature in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Reagan-National

Get insights into the airlines that provide service to Reagan-National. 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 Reagan-National. Reviews last updated June 18, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Missouri to Washington, D.C.. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very good

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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

    $99 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and Frontier, with prices starting from $109 and $111, respectively.

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

  • 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 (79%) or Southwest (60%) 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 $264, our data shows the cheapest flight currently is $89. When looking at the most popular route, (Kansas City - Washington, D.C. Reagan-National), you can expect to pay $197 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, February is the cheapest month in which you can book a flight from Missouri to Washington, D.C. Reagan-National Airport (average of $278). Flying from Missouri to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $337). 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.

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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.

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 June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$111Average$180FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$130Average$393FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$201Average$325FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$211Average$373FlexibilityNo cancel feeOn-time69%
DeltaCheapest$248Average$353FlexibilityNo cancel feeOn-timeN/A

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