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Cheap flights from Missouri to Washington, D.C. from $69

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 2/21. 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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0 bags

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Cheap round-trip flights

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Frontier Logo
1:44 pm - 1:00 pm
MCI
-
DCA
22h 16m
1 stop
Frontier Logo
8:00 am - 3:44 pm
DCA
-
MCI
8h 44m
1 stop
$199Frontier
Sun, Mar 1 - Wed, Mar 4
Frontier Logo
4:39 pm - 1:15 pm
MCI
-
DCA
19h 36m
1 stop
Frontier Logo
6:00 pm - 7:46 pm
DCA
-
MCI
26h 46m
1 stop
$206Frontier
Wed, Feb 18 - Fri, Feb 20
Frontier Logo
8:28 pm - 1:15 pm
MCI
-
DCA
15h 47m
1 stop
Frontier Logo
6:00 pm - 7:48 pm
DCA
-
MCI
26h 48m
1 stop
$216Frontier
Thu, Feb 19 - Sun, Feb 22
Multiple Airlines Logo
7:00 am - 1:15 pm
MCI
-
DCA
29h 15m
2 stops
Multiple Airlines Logo
8:00 am - 7:46 pm
DCA
-
MCI
12h 46m
1 stop
$243Multiple Airlines
Tue, Feb 24 - Sat, Feb 28
United Airlines Logo
8:00 am - 2:13 pm
COU
-
DCA
5h 13m
1 stop
United Airlines Logo
8:20 am - 2:28 pm
DCA
-
COU
7h 08m
1 stop
$268United Airlines
Tue, Feb 17 - Sat, Feb 21
American Airlines Logo
12:05 pm - 7:46 pm
SGF
-
DCA
6h 41m
1 stop
American Airlines Logo
5:24 pm - 9:59 pm
DCA
-
SGF
5h 35m
1 stop
$269American Airlines
Tue, Feb 24 - Sat, Feb 28
American Airlines Logo
10:28 am - 3:44 pm
SGF
-
DCA
4h 16m
1 stop
American Airlines Logo
6:00 am - 10:00 am
DCA
-
SGF
5h 00m
1 stop
$279American Airlines
Wed, Feb 18 - Sat, Feb 21
Southwest Logo
2:20 pm - 11:15 pm
STL
-
DCA
7h 55m
1 stop
Southwest Logo
3:35 pm - 6:55 pm
DCA
-
STL
4h 20m
1 stop
$279Southwest
Tue, Mar 3 - Thu, Mar 5
Southwest Logo
4:00 pm - 11:15 pm
STL
-
DCA
6h 15m
1 stop
Southwest Logo
8:00 am - 3:10 pm
DCA
-
STL
8h 10m
2 stops
$284Southwest
Tue, Mar 31 - Sat, Apr 4
United Airlines Logo
3:13 pm - 11:51 pm
SGF
-
DCA
7h 38m
1 stop
United Airlines Logo
3:30 pm - 9:59 pm
DCA
-
SGF
7h 29m
1 stop
$290United Airlines
Sat, Mar 28 - Mon, Apr 6

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

Our best Southwest deals on Missouri to Washington, D.C. Reagan-National Airport flight tickets
Southwest
Mar 3
STL2:20 pmLambert-St Louis
7h 55m
1 stop
DCA11:15 pmWashington, D.C. Reagan-National
Mar 5
DCA3:35 pmWashington, D.C. Reagan-National
4h 20m
1 stop
STL6:55 pmLambert-St Louis
$279
Southwest
Mar 31
STL4:00 pmLambert-St Louis
6h 15m
1 stop
DCA11:15 pmWashington, D.C. Reagan-National
Apr 4
DCA8:00 amWashington, D.C. Reagan-National
8h 10m
2 stops
STL3:10 pmLambert-St Louis
$284
Southwest
Mar 3
STL10:15 amLambert-St Louis
6h 45m
2 stops
DCA6:00 pmWashington, D.C. Reagan-National
Mar 5
DCA3:35 pmWashington, D.C. Reagan-National
4h 20m
1 stop
STL6:55 pmLambert-St Louis
$285

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
Feb 13
SGF5:32 pmSpringfield-Branson
5h 00m
1 stop
DCA11:32 pmWashington, D.C. Reagan-National
Feb 25
DCA6:00 amWashington, D.C. Reagan-National
6h 20m
1 stop
SGF11:20 amSpringfield-Branson
$304
Delta
Feb 17
SGF5:32 pmSpringfield-Branson
5h 00m
1 stop
DCA11:32 pmWashington, D.C. Reagan-National
Mar 2
DCA3:40 pmWashington, D.C. Reagan-National
7h 07m
1 stop
SGF9:47 pmSpringfield-Branson
$319
Delta
Mar 2
STL5:50 pmLambert-St Louis
4h 07m
1 stop
DCA10:57 pmWashington, D.C. Reagan-National
Mar 4
DCA6:00 amWashington, D.C. Reagan-National
7h 23m
1 stop
STL12:23 pmLambert-St Louis
$328

momondo Fare Finder

 
Customize your flight search to find flights from Missouri to Washington, D.C. Reagan-National Airport 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, momondo users made 832,500 searches. Data last updated February 3, 2026.
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

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

Sun 3/1

1:44 pm-1:00 pm

1 stop22h 16m

Washington, D.C. Reagan-National

Wed 3/4

8:00 am-3:44 pm

1 stop8h 44m

$199

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

Wed 2/18

4:39 pm-1:15 pm

1 stop19h 36m

Washington, D.C. Reagan-National

Fri 2/20

6:00 pm-7:46 pm

1 stop26h 46m

$206

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

Thu 2/19

8:28 pm-1:15 pm

1 stop15h 47m

Washington, D.C. Reagan-National

Sun 2/22

6:00 pm-7:48 pm

1 stop26h 48m

$216

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

Tue 2/24

7:00 am-1:15 pm

2 stops29h 15m

Washington, D.C. Reagan-National

Sat 2/28

8:00 am-7:46 pm

1 stop12h 46m

$243

ColumbiaWashington, D.C.

COU - DCA

COUDCA

Columbia Regional

Tue 2/17

8:00 am-2:13 pm

1 stop5h 13m

Washington, D.C. Reagan-National

Sat 2/21

8:20 am-2:28 pm

1 stop7h 08m

$268

SpringfieldWashington, D.C.

SGF - DCA

SGFDCA

Springfield-Branson

Tue 2/24

12:05 pm-7:46 pm

1 stop6h 41m

Washington, D.C. Reagan-National

Sat 2/28

5:24 pm-9:59 pm

1 stop5h 35m

$269

SpringfieldWashington, D.C.

SGF - DCA

SGFDCA

Springfield-Branson

Wed 2/18

10:28 am-3:44 pm

1 stop4h 16m

Washington, D.C. Reagan-National

Sat 2/21

6:00 am-10:00 am

1 stop5h 00m

$279

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Tue 3/3

2:20 pm-11:15 pm

1 stop7h 55m

Washington, D.C. Reagan-National

Thu 3/5

3:35 pm-6:55 pm

1 stop4h 20m

$279

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Tue 3/31

4:00 pm-11:15 pm

1 stop6h 15m

Washington, D.C. Reagan-National

Sat 4/4

8:00 am-3:10 pm

2 stops8h 10m

$284

SpringfieldWashington, D.C.

SGF - DCA

SGFDCA

Springfield-Branson

Sat 3/28

3:13 pm-11:51 pm

1 stop7h 38m

Washington, D.C. Reagan-National

Mon 4/6

3:30 pm-9:59 pm

1 stop7h 29m

$290

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

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

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

The month of August is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Missouri, with most prices found around $253. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $277.

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 Saturday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Saturday will often find tickets for as low as $293. Flights from Missouri to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $386. 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 in the evening. Our users have found flights to Washington, D.C. Reagan-National Airport in the evening for as low as $296. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is in the morning when prices are around $344.

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 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 $312 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 $241 on momondo.

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

There are 3 cabin classes available to choose from on Missouri to Washington, D.C. Reagan-National 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 17% 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

$158

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 $158. The best round-trip flight deal from Missouri to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $303.
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

  • 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?

  • 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?

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
FrontierPriceFrom $98Free CancellationRating
5.7
3,051 reviews
Search Frontier flights
American AirlinesPriceFrom $149Free CancellationRating
7.2
11,216 reviews
Search American Airlines flights
SouthwestPriceFrom $189Free CancellationRating
8.0
4,272 reviews
Search Southwest flights
United AirlinesPriceFrom $238Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
DeltaPriceFrom $248Free CancellationRating
7.9
8,138 reviews
Search Delta flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Fairfax
Linthicum Heights
Bethesda
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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