Reagan-National

$90+ 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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DCA
Apr 9 — Apr 161
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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 April 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$210
(Mytrip)

One-way from

$90
(Southwest)

Popular in

March

Cheapest in

November

Average price

$369

Good round-trip deal

$253 or less

Good one-way deal

$114 or less
Provider with most accurate pricing for Kansas City-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Kansas City-Washington, D.C. (WAS) flights.
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. 7% potential increase in price ($25 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 April 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 April 4, 2025.

This Mytrip deal was found by Cheapflights users on 4/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/26:53 pmSTL - DCA
1 stop21h 06mFrontier
Sun 5/41:00 pmDCA - STL
1 stop21h 09mFrontier
Deal found 4/3$210
This Southwest deal was found by Cheapflights users on 4/3. 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.
Fri 5/303:45 pmSTL - DCA
1 stop6h 10mSouthwest
Mon 6/26:55 pmDCA - STL
Nonstop2h 15mSouthwest
Deal found 4/3$214
This American Airlines deal was found by Cheapflights users on 4/3. 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.
Sat 5/241:09 pmSTL - DCA
1 stop6h 26mAmerican Airlines
Sun 5/251:54 pmDCA - STL
Nonstop2h 17mAmerican Airlines
Deal found 4/3$219
This United Airlines deal was found by Cheapflights users on 4/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/298:10 amSTL - DCA
1 stop5h 03mUnited Airlines
Tue 6/312:00 pmDCA - STL
1 stop4h 30mUnited Airlines
Deal found 4/3$224
This Delta deal was found by Cheapflights users on 4/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/15:32 pmSTL - DCA
1 stop5h 07mDelta
Sun 5/48:00 amDCA - STL
1 stop4h 56mDelta
Deal found 4/4$249
This Southwest deal was found by Cheapflights users on 4/3. 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.
Thu 5/227:40 amMCI - DCA
Nonstop2h 20mSouthwest
Tue 5/276:05 amDCA - MCI
1 stop4h 50mSouthwest
Deal found 4/3$295
This Delta deal was found by Cheapflights users on 4/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/285:28 pmMCI - DCA
1 stop5h 16mDelta
Wed 7/26:35 pmDCA - MCI
1 stop6h 32mDelta
Deal found 4/3$297
This CheapOair deal was found by Cheapflights users on 4/3. 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.
Mon 4/78:35 pmMCI - DCA
1 stop14h 29mFrontier
Wed 4/91:03 pmDCA - MCI
1 stop23h 31mFrontier
Deal found 4/3$300
This American Airlines deal was found by Cheapflights users on 4/3. 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.
Fri 4/255:47 amMCI - DCA
Nonstop2h 37mAmerican Airlines
Wed 4/308:59 pmDCA - MCI
Nonstop2h 48mAmerican Airlines
Deal found 4/3$301
This United Airlines deal was found by Cheapflights users on 4/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/257:59 amJLN - DCA
1 stop6h 42mUnited Airlines
Mon 4/287:00 pmDCA - JLN
1 stop5h 45mUnited Airlines
Deal found 4/3$324
This United Airlines deal was found by Cheapflights users on 4/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/23:10 pmMCI - DCA
1 stop6h 05mUnited Airlines
Wed 5/78:30 amDCA - MCI
1 stop7h 03mUnited Airlines
Deal found 4/3$366
This American Airlines deal was found by Cheapflights users on 4/3. 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.
Tue 5/137:15 amSGF - DCA
1 stop8h 14mAmerican Airlines
Sat 5/172:54 pmDCA - SGF
1 stop9h 52mAmerican Airlines
Deal found 4/3$373

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 April 4, 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 5/2

6:53 pm-4:59 pm

1 stop21h 06m

Washington, D.C. Reagan-National

Sun 5/4

1:00 pm-9:09 am

1 stop21h 09m

$210

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Fri 5/30

3:45 pm-10:55 pm

1 stop6h 10m

Washington, D.C. Reagan-National

Mon 6/2

6:55 pm-8:10 pm

Nonstop2h 15m

$214

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Sat 5/24

1:09 pm-8:35 pm

1 stop6h 26m

Washington, D.C. Reagan-National

Sun 5/25

1:54 pm-3:11 pm

Nonstop2h 17m

$219

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Thu 5/29

8:10 am-2:13 pm

1 stop5h 03m

Washington, D.C. Reagan-National

Tue 6/3

12:00 pm-3:30 pm

1 stop4h 30m

$224

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Thu 5/1

5:32 pm-11:39 pm

1 stop5h 07m

Washington, D.C. Reagan-National

Sun 5/4

8:00 am-11:56 am

1 stop4h 56m

$249

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

Thu 5/22

7:40 am-11:00 am

Nonstop2h 20m

Washington, D.C. Reagan-National

Tue 5/27

6:05 am-9:55 am

1 stop4h 50m

$295

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

Sat 6/28

5:28 pm-11:44 pm

1 stop5h 16m

Washington, D.C. Reagan-National

Wed 7/2

6:35 pm-12:07 am

1 stop6h 32m

$297

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

Fri 4/25

5:47 am-9:24 am

Nonstop2h 37m

Washington, D.C. Reagan-National

Wed 4/30

8:59 pm-10:47 pm

Nonstop2h 48m

$301

JoplinWashington, D.C.

JLN - DCA

JLNDCA

Joplin

Fri 4/25

7:59 am-3:41 pm

1 stop6h 42m

Washington, D.C. Reagan-National

Mon 4/28

7:00 pm-11:45 pm

1 stop5h 45m

$324

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

Tue 5/13

7:45 am-12:56 pm

1 stop4h 11m

Washington, D.C. Reagan-National

Mon 5/19

5:00 pm-9:47 pm

1 stop5h 47m

$359

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/3

Showing 1-10 of 29 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 $345). 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 April 4, 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.

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

Explore weekly flight availability from Missouri to Reagan-National. 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 4, 2025.

The most flights from USMO to DCA are scheduled on a Monday (7 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 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 April 4, 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

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
8.0
Very good

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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?

    $90 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on Delta and Frontier, with prices starting from $100 and $107, 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 Republic Airways (73%), American Airlines (68%) or Southwest (61%) 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 $253, our data shows the cheapest flight currently is $88. When looking at the most popular route, (Lambert-St Louis - Washington, D.C. Reagan-National), you can expect to pay $204 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 $345). 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 Missouri?

Book flights to Missouri if you plan to visit one of these locations
Arlington
Alexandria
Fairfax
Tysons
Springfield
Rockville
Fredericksburg
Woodbridge
Gaithersburg
Linthicum Heights
Silver Spring
Falls Church
Laurel
Easton
Herndon
Bowie
Gettysburg
National Harbor
Oxon Hill
Reston

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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 April 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$190FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$130Average$409FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$200Average$327FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$211Average$364FlexibilityNo cancel feeOn-time69%
DeltaCheapest$226Average$335FlexibilityNo cancel feeOn-timeN/A

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