What airlines fly to Washington, D.C. Reagan-National Airport?

Southwest, American Airlines and United Airlines are the top three most popular airlines that fly to Washington, D.C. Reagan-National Airport from Missouri according to our data. Southwest is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Washington, D.C. Reagan-National Airport. Keep in mind that there are 5 different airlines that fly to Washington, D.C. Reagan-National Airport on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Washington, D.C. Reagan-National Airport?

Flight times from Missouri to Washington, D.C. Reagan-National Airport vary, but if you’re flying out of St. Louis and flying into Washington, D.C. Dulles Intl Airport (one of the most popular routes), then the duration is 2h 05m on average. Another popular route from Missouri to Washington, D.C. Reagan-National Airport is flying from Kansas City to Washington, D.C. Dulles Intl Airport, which will take roughly 2h 22m. Keep in mind that layovers or delays could extend your travel time.

What is the cheapest airline that flies from Missouri to Washington, D.C. Reagan-National?

Delta, Southwest, and Frontier are the most popular carriers operating from Missouri to Washington, D.C. Reagan-National

How many operators does momondo search for flights from Missouri to Washington, D.C. Reagan-National Airport?

There are 5 operators available for flights from Missouri to Washington, D.C. Reagan-National Airport as of July 2026.

How old do you have to be to fly from Missouri to Washington, D.C. Reagan-National Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Washington, D.C. Reagan-National Airport.

What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

The required travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$129 Cheap Flights from Missouri to Washington, D.C. Reagan-National Airport in 2026

Q: How many flights depart from Missouri to Washington, D.C. Reagan-National Airport on average per day?

7 flights are operational daily from Missouri to Washington, D.C. Reagan-National Airport as of July 2026. The most popular departure time for this route is 5:00AM, with 49% of flights per day taking off at noon.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Missouri to Washington, D.C.

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:17 pm - 12:49 pm

MCI

DCA

21h 32m

1 stop

7:00 am - 1:22 pm

DCA

MCI

7h 22m

1 stop

$258Frontier

Thu, Oct 1 - Sat, Oct 3

6:00 am - 9:41 am

MCI

DCA

2h 41mnonstop

8:59 pm - 10:49 pm

DCA

MCI

2h 50mnonstop

$259American Airlines

Sat, Aug 1 - Tue, Aug 4

2:17 pm - 9:58 pm

MCI

DCA

6h 41m

1 stop

7:00 am - 1:22 pm

DCA

MCI

7h 22m

1 stop

$260Frontier

Thu, Nov 5 - Tue, Nov 10

12:15 pm - 3:35 pm

MCI

DCA

2h 20mnonstop

6:55 am - 8:40 am

DCA

MCI

2h 45mnonstop

$261Southwest

Wed, Jul 29 - Wed, Aug 5

5:52 am - 9:31 am

MCI

DCA

2h 39mnonstop

8:43 pm - 12:35 am

DCA

MCI

4h 52m

1 stop

$263American Airlines

Wed, Aug 5 - Mon, Aug 10

2:40 pm - 9:45 pm

STL

DCA

6h 05m

2 stops

5:15 pm - 12:30 am

DCA

STL

8h 15m

1 stop

$270Southwest

Thu, Nov 5 - Mon, Nov 9

4:59 pm - 10:38 pm

STL

DCA

4h 39m

1 stop

6:00 am - 9:34 am

DCA

STL

4h 34m

1 stop

$273Delta

Thu, Sep 24 - Sat, Sep 26

6:09 pm - 10:59 pm

STL

DCA

3h 50m

1 stop

12:27 pm - 4:17 pm

DCA

STL

4h 50m

1 stop

$276Delta

Mon, Jul 27 - Tue, Aug 4

8:54 am - 3:52 pm

JLN

DCA

5h 58m

1 stop

6:30 am - 1:22 pm

DCA

JLN

7h 52m

1 stop

$314United Airlines

Thu, Jul 30 - Sun, Aug 2

8:00 am - 2:22 pm

COU

DCA

5h 22m

1 stop

6:30 am - 10:13 am

DCA

COU

4h 43m

1 stop

$321United Airlines

Thu, Jul 30 - Sun, Aug 2

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Delta flights from Missouri to Washington, D.C. Reagan-National Airport

Our best Delta deals on Missouri to Washington, D.C. Reagan-National Airport flight tickets

Delta

Jul 25

STL1:15 pmLambert-St Louis

5h 33m

1 stop

DCA7:48 pmWashington, D.C. Reagan-National

Aug 6

DCA6:20 amWashington, D.C. Reagan-National

6h 27m

1 stop

STL11:47 amLambert-St Louis

$273

Delta

Jul 27

STL6:09 pmLambert-St Louis

3h 50m

1 stop

DCA10:59 pmWashington, D.C. Reagan-National

Aug 4

DCA12:27 pmWashington, D.C. Reagan-National

4h 50m

1 stop

STL4:17 pmLambert-St Louis

$276

Delta

Aug 1

MCI6:00 amKansas City

6h 05m

1 stop

DCA1:05 pmWashington, D.C. Reagan-National

Aug 4

DCA6:59 amWashington, D.C. Reagan-National

5h 18m

1 stop

MCI11:17 amKansas City

$281

United Airlines flights from Missouri to Washington, D.C. Reagan-National Airport

Our best United Airlines deals on Missouri to Washington, D.C. Reagan-National Airport flight tickets

United Airlines

Jul 30

JLN8:54 amJoplin

5h 58m

1 stop

DCA3:52 pmWashington, D.C. Reagan-National

Aug 2

DCA6:30 amWashington, D.C. Reagan-National

7h 52m

1 stop

JLN1:22 pmJoplin

$314

United Airlines

Jul 30

COU8:00 amColumbia Regional

5h 22m

1 stop

DCA2:22 pmWashington, D.C. Reagan-National

Aug 2

DCA6:30 amWashington, D.C. Reagan-National

4h 43m

1 stop

COU10:13 amColumbia Regional

$321

United Airlines

Jul 30

COU8:00 amColumbia Regional

5h 22m

1 stop

DCA2:22 pmWashington, D.C. Reagan-National

Aug 2

DCA6:30 amWashington, D.C. Reagan-National

4h 43m

1 stop

COU10:13 amColumbia Regional

$322

momondo Fare Finder

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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

Thu 10/1

2:17 pm-12:49 pm

1 stop21h 32m

Washington, D.C. Reagan-National

Sat 10/3

7:00 am-1:22 pm

1 stop7h 22m

$258

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

Sat 8/1

6:00 am-9:41 am

Nonstop2h 41m

Washington, D.C. Reagan-National

Tue 8/4

8:59 pm-10:49 pm

Nonstop2h 50m

$259

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

Thu 11/5

2:17 pm-9:58 pm

1 stop6h 41m

Washington, D.C. Reagan-National

Tue 11/10

7:00 am-1:22 pm

1 stop7h 22m

$260

Quickest round-trip

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

Wed 7/29

12:15 pm-3:35 pm

Nonstop2h 20m

Washington, D.C. Reagan-National

Wed 8/5

6:55 am-8:40 am

Nonstop2h 45m

$261

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

Wed 8/5

5:52 am-9:31 am

Nonstop2h 39m

Washington, D.C. Reagan-National

Mon 8/10

8:43 pm-12:35 am

1 stop4h 52m

$263

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Thu 11/5

2:40 pm-9:45 pm

2 stops6h 05m

Washington, D.C. Reagan-National

Mon 11/9

5:15 pm-12:30 am

1 stop8h 15m

$270

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Thu 9/24

4:59 pm-10:38 pm

1 stop4h 39m

Washington, D.C. Reagan-National

Sat 9/26

6:00 am-9:34 am

1 stop4h 34m

$273

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Mon 7/27

6:09 pm-10:59 pm

1 stop3h 50m

Washington, D.C. Reagan-National

Tue 8/4

12:27 pm-4:17 pm

1 stop4h 50m

$276

JoplinWashington, D.C.

JLN - DCA

JLNDCA

Joplin

Thu 7/30

8:54 am-3:52 pm

1 stop5h 58m

Washington, D.C. Reagan-National

Sun 8/2

6:30 am-1:22 pm

1 stop7h 52m

$314

ColumbiaWashington, D.C.

COU - DCA

COUDCA

Columbia Regional

Thu 7/30

8:00 am-2:22 pm

1 stop5h 22m

Washington, D.C. Reagan-National

Sun 8/2

6:30 am-10:13 am

1 stop4h 43m

$321

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Missouri to Washington, D.C. Reagan-National Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

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

The month of March is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Missouri, with most prices found around $96. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of March, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $117.

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from Missouri to Washington, D.C. Reagan-National Airport is on a Tuesday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Tuesday will often find tickets for as low as $330. Flights from Missouri to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $411. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Washington, D.C. Reagan-National Airport?

Our data shows that the cheapest Missouri to Washington, D.C. Reagan-National Airport flights are usually those with departure times at noon. Our users have found flights to Washington, D.C. Reagan-National Airport at noon for as low as $340. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is in the evening when prices are around $391.

What is the cheapest Missouri to Washington, D.C. Reagan-National flight route?

Fly from Lambert-St Louis to Washington, D.C. Reagan-National for the best Missouri - Washington, D.C. Reagan-National flight prices

How far in advance should I book a flight from Missouri to Washington, D.C. Reagan-National Airport?

You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $363 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from Missouri for as low as $180 on momondo.

What cabin class options are available on Missouri to Washington, D.C. Reagan-National Airport flights?

There are 3 cabin classes available to choose from on Missouri to Washington, D.C. Reagan-National Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Missouri to Washington, D.C. Reagan-National Airport flights?

You could potentially save up to 22% on your flight if you consider stops on a Missouri to Washington, D.C. Reagan-National Airport flight.

Cheap Missouri to Washington, D.C. Reagan-National Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Washington, D.C. Reagan-National Airport

Best Price Found	$191
Fastest flight time	1h 55m
Direct flights	Every day

The best one-way flight to Washington, D.C. Reagan-National Airport from Missouri in the past 72 hours is $191. The best round-trip flight deal from Missouri to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $325.

The fastest flight from Missouri to Washington, D.C. Reagan-National Airport takes 1h 55m

Direct flights go from Missouri to Washington, D.C. Reagan-National Airport every day.

Search flight deals

Frequently asked questions about flying from Missouri to Washington, D.C. Reagan-National Airport

When did momondo last update prices for flights from Missouri to Washington, D.C. Reagan-National Airport?
Prices for flights from Missouri to Washington, D.C. Reagan-National Airport were last updated today.
How many operators does momondo search for flights from Missouri to Washington, D.C. Reagan-National Airport?
There are 5 operators available for flights from Missouri to Washington, D.C. Reagan-National Airport as of July 2026.
How old do you have to be to fly from Missouri to Washington, D.C. Reagan-National Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Washington, D.C. Reagan-National Airport.
What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?
The required travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Missouri to Washington, D.C. Reagan-National Airport?
Based on momondo bookings for flights between Missouri and Washington, D.C. Reagan-National Airport, the leading plane model is Canadair (Bombardier) Regional Jet 900, making up 21.21% of the total bookings. Other popular models include Boeing 737 MAX 8 with 18.75%, Canadair (Bombardier) Regional Jet 700 with 17.90%, and Embraer 175 with 7.89%.

Best airlines flying from Missouri to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Missouri to Washington, D.C. Reagan-National Airport with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $96	Free Cancellation	Rating 5.6 2,849 reviews	Search Frontier flights
American Airlines	PriceFrom $197	Free Cancellation	Rating 7.1 11,765 reviews	Search American Airlines flights
Southwest	PriceFrom $199	Free Cancellation	Rating 7.9 4,246 reviews	Search Southwest flights
United Airlines	PriceFrom $248	Free Cancellation	Rating 7.4 9,909 reviews	Search United Airlines flights
Delta	PriceFrom $248	Free Cancellation	Rating 7.8 8,452 reviews	Search Delta flights

Alexandria

National Harbor

Arlington

Gettysburg

Waldorf

Laurel

Woodbridge

Fredericksburg

Gaithersburg

Linthicum Heights

Rockville

Colonial Beach

Towson

Manassas

Silver Spring

Tysons

Springfield

Bethesda

Fairfax

Glen Burnie

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Washington, D.C.?

It is quick and easy to find Missouri to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

Can I find flights from Missouri to Washington, D.C. with flexible booking policies on momondo?

Yes. All flights to Washington, D.C. from Missouri on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Missouri to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Missouri.

I’m not ready to book a flight from Missouri to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Missouri to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Missouri to Washington, D.C. from $129

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Washington, D.C. departing on 7/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Missouri to Washington, D.C. Reagan-National Airport

Our best Delta deals on Missouri to Washington, D.C. Reagan-National Airport flight tickets

United Airlines flights from Missouri to Washington, D.C. Reagan-National Airport

Our best United Airlines deals on Missouri to Washington, D.C. Reagan-National Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Missouri to Washington, D.C. Reagan-National Airport that are best for you.

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Missouri to Washington, D.C. Reagan-National Airport

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

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

What is the cheapest time of day to depart on your flight to Washington, D.C. Reagan-National Airport?

What is the cheapest Missouri to Washington, D.C. Reagan-National flight route?

How far in advance should I book a flight from Missouri to Washington, D.C. Reagan-National Airport?

What cabin class options are available on Missouri to Washington, D.C. Reagan-National Airport flights?

Can stopping save me money on Missouri to Washington, D.C. Reagan-National Airport flights?

What is the cheapest airline that flies from Missouri to Washington, D.C. Reagan-National?

What airlines fly to Washington, D.C. Reagan-National Airport?

How many flights depart from Missouri to Washington, D.C. Reagan-National Airport on average per day?

How many flights depart from Missouri to Washington, D.C. Reagan-National Airport on average per week?

How long does it take to fly to Washington, D.C. Reagan-National Airport?

Cheap Missouri to Washington, D.C. Reagan-National Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Washington, D.C. Reagan-National Airport

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Missouri to Washington, D.C. Reagan-National Airport

Best airlines flying from Missouri to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Missouri to Washington, D.C. Reagan-National Airport with momondo

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List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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