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Cheap flights from Washington, D.C. Reagan-National Airport to Missouri from $85

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Missouri departing on 9/22. 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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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Missouri

Cheap round-trip flights

Frontier Logo
7:00 am - 9:11 amDCA-STL
27h 11m1 stop
Frontier Logo
7:55 pm - 4:59 pmSTL-DCA
20h 04m1 stop
$184Frontier
Find Deal
Tue, Sep 2 - Thu, Sep 4
Frontier Logo
7:00 am - 9:06 amDCA-STL
27h 06m1 stop
Frontier Logo
7:52 pm - 9:59 pmSTL-DCA
25h 07m1 stop
$193Frontier
Find Deal
Tue, Sep 30 - Tue, Oct 7
Southwest Logo
6:10 am - 7:45 amDCA-MCI
2h 35mnonstop
Southwest Logo
6:50 pm - 10:15 pmMCI-DCA
2h 25mnonstop
$237Southwest
Find Deal
Wed, Sep 17 - Wed, Sep 24
American Airlines Logo
6:35 am - 11:51 amDCA-STL
6h 16m1 stop
American Airlines Logo
1:28 pm - 4:35 pmSTL-DCA
2h 07mnonstop
$244American Airlines
Find Deal
Wed, Oct 8 - Wed, Oct 8
Southwest Logo
12:45 pm - 2:20 pmDCA-MCI
2h 35mnonstop
Southwest Logo
4:55 pm - 11:15 pmMCI-DCA
5h 20m1 stop
$247Southwest
Find Deal
Wed, Sep 17 - Wed, Sep 24
American Airlines Logo
5:00 am - 9:16 amDCA-STL
5h 16m1 stop
American Airlines Logo
10:54 am - 1:58 pmSTL-DCA
2h 04mnonstop
$247American Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 23
Delta Logo
10:11 am - 3:09 pmDCA-SGF
5h 58m1 stop
Delta Logo
5:59 pm - 11:46 pmSGF-DCA
4h 47m1 stop
$254Delta
Find Deal
Sat, Sep 6 - Wed, Sep 10
Delta Logo
6:00 am - 9:56 amDCA-MCI
4h 56m1 stop
Delta Logo
12:11 pm - 6:00 pmMCI-DCA
4h 49m1 stop
$257Delta
Find Deal
Wed, Sep 17 - Wed, Sep 24
United Airlines Logo
1:00 pm - 5:45 pmDCA-SGF
5h 45m1 stop
United Airlines Logo
11:25 am - 5:01 pmSGF-DCA
4h 36m1 stop
$259United Airlines
Find Deal
Fri, Sep 5 - Tue, Sep 9
United Airlines Logo
1:00 pm - 6:23 pmDCA-STL
6h 23m1 stop
United Airlines Logo
6:35 am - 11:59 amSTL-DCA
4h 24m1 stop
$293United Airlines
Find Deal
Fri, Sep 12 - Sun, Sep 14

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

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Missouri flight tickets
American Airlines
Oct 8
DCA6:35 amWashington, D.C. Reagan-National
6h 16m
1 stop
STL11:51 amLambert-St Louis
Oct 8
STL1:28 pmLambert-St Louis
2h 07m
DCA4:35 pmWashington, D.C. Reagan-National
$244
Find similar
American Airlines
Sep 16
DCA5:00 amWashington, D.C. Reagan-National
5h 16m
1 stop
STL9:16 amLambert-St Louis
Sep 23
STL10:54 amLambert-St Louis
2h 04m
DCA1:58 pmWashington, D.C. Reagan-National
$247
Find similar
American Airlines
Sep 10
DCA5:00 amWashington, D.C. Reagan-National
5h 39m
1 stop
SGF9:39 amSpringfield-Branson
Sep 23
SGF6:34 pmSpringfield-Branson
5h 24m
1 stop
DCA12:58 amWashington, D.C. Reagan-National
$248
Find similar

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

Our best Frontier deals on Washington, D.C. Reagan-National Airport to Missouri flight tickets
Frontier
Sep 2
DCA7:00 amWashington, D.C. Reagan-National
27h 11m
1 stop
STL9:11 amLambert-St Louis
Sep 4
STL7:55 pmLambert-St Louis
20h 04m
1 stop
DCA4:59 pmWashington, D.C. Reagan-National
$184
Find similar
Frontier
Sep 30
DCA7:00 amWashington, D.C. Reagan-National
27h 06m
1 stop
STL9:06 amLambert-St Louis
Oct 7
STL7:52 pmLambert-St Louis
25h 07m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
$193
Find similar
Frontier
Sep 6
DCA1:00 pmWashington, D.C. Reagan-National
21h 06m
1 stop
STL9:06 amLambert-St Louis
Sep 8
STL7:55 pmLambert-St Louis
25h 04m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
$196
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport 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, momondo users made 832,500 searches. Data last updated August 21, 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

Fly to

Route

Depart

Return

Price

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Tue 9/2

7:00 am-9:11 am

1 stop27h 11m

Lambert-St Louis

Thu 9/4

7:55 pm-4:59 pm

1 stop20h 04m

$184

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Tue 9/30

7:00 am-9:06 am

1 stop27h 06m

Lambert-St Louis

Tue 10/7

7:52 pm-9:59 pm

1 stop25h 07m

$193

Washington, D.C.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Wed 9/17

6:10 am-7:45 am

Nonstop2h 35m

Kansas City

Wed 9/24

6:50 pm-10:15 pm

Nonstop2h 25m

$237

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Wed 10/8

6:35 am-11:51 am

1 stop6h 16m

Lambert-St Louis

Wed 10/8

1:28 pm-4:35 pm

Nonstop2h 07m

$244

Washington, D.C.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Wed 9/17

12:45 pm-2:20 pm

Nonstop2h 35m

Kansas City

Wed 9/24

4:55 pm-11:15 pm

1 stop5h 20m

$247

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Tue 9/16

5:00 am-9:16 am

1 stop5h 16m

Lambert-St Louis

Tue 9/23

10:54 am-1:58 pm

Nonstop2h 04m

$247

Washington, D.C.Springfield

DCA - SGF

DCASGF

Washington, D.C. Reagan-National

Sat 9/6

10:11 am-3:09 pm

1 stop5h 58m

Springfield-Branson

Wed 9/10

5:59 pm-11:46 pm

1 stop4h 47m

$254

Washington, D.C.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Wed 9/17

6:00 am-9:56 am

1 stop4h 56m

Kansas City

Wed 9/24

12:11 pm-6:00 pm

1 stop4h 49m

$257

Washington, D.C.Springfield

DCA - SGF

DCASGF

Washington, D.C. Reagan-National

Fri 9/5

1:00 pm-5:45 pm

1 stop5h 45m

Springfield-Branson

Tue 9/9

11:25 am-5:01 pm

1 stop4h 36m

$259

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Fri 9/12

1:00 pm-6:23 pm

1 stop6h 23m

Lambert-St Louis

Sun 9/14

6:35 am-11:59 am

1 stop4h 24m

$293

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 Missouri from

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

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 Missouri?

In general, February is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Missouri. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $270. If you aren’t able to travel to Missouri during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $293.

What is the cheapest day to depart on your flight to Missouri?

The cheapest day to depart from Washington, D.C. Reagan-National Airport to Missouri is on a Wednesday when prices can be found for as low as $340. Flights from Washington, D.C. Reagan-National Airport to Missouri on a Sunday will generally be more expensive and average around $401. 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 Missouri?

According to our data, the cheapest time of day to fly to Missouri is at noon. momondo users have found flights departing from Washington, D.C. Reagan-National Airport to Missouri at noon for as low as $312. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Missouri are more costly in the afternoon, with an average ticket price of $377. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

How far in advance should I book a flight to Missouri?

You are more likely to see cheaper flights to Missouri from Washington, D.C. Reagan-National Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Missouri for around $325 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Missouri from Washington, D.C. Reagan-National Airport for as low as $227 on momondo.

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

There are 3 cabin classes available to choose from on Washington, D.C. Reagan-National to Missouri 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 Washington, D.C. Reagan-National Airport to Missouri flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. Reagan-National Airport to Missouri.

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

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

Best Price Found

$143

Fastest flight time

2h 10m

Direct flights

Every day

Airports in Missouri

2 airports
The best one-way flight to Missouri from Washington, D.C. Reagan-National Airport in the past 72 hours is $143. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Missouri found on momondo in the last 72 hours is $219.
The fastest flight from Washington, D.C. Reagan-National Airport to Missouri takes 2h 10m
Direct flights go from Washington, D.C. Reagan-National Airport to Missouri every day.
There are 2 airports near Missouri: Kansas City (MCI), Lambert-St Louis (STL)
Search flight deals

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Missouri?

    Prices for flights from Washington, D.C. Reagan-National Airport to Missouri refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Missouri.

  • What documentation or ID do you need to fly to Missouri?

    The required travel and health documents for your Missouri 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 Missouri. 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 Washington, D.C. Reagan-National Airport to Missouri?

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

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Missouri with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $108Free CancellationRating
5.8
3,207 reviews
Search Frontier flights
DeltaPriceFrom $155Free CancellationRating
7.9
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $174Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $188Free CancellationRating
8.0
4,245 reviews
Search Southwest flights
United AirlinesPriceFrom $297Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Missouri for you.

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

Yes. momondo enables you to select and highlight flights to Missouri from Washington, D.C. with this policy.

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

Once you have performed a search for Washington, D.C. to Missouri flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Missouri, momondo offers a useful price alert feature which will track prices for flights to Missouri from Washington, D.C. and alert you when they change.

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