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Cheap flights from Washington, D.C. to Missouri from $72

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. to Missouri departing on 10/30. 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. to Missouri

Cheap round-trip flights

Frontier Logo
6:10 am - 3:04 pmIAD-STL
9h 54m1 stop
Frontier Logo
4:00 pm - 12:15 amSTL-IAD
7h 15m1 stop
$143Frontier
Find Deal
Thu, Sep 25 - Mon, Sep 29
Frontier Logo
9:27 pm - 1:02 pmBWI-STL
16h 35m1 stop
Frontier Logo
4:00 pm - 12:17 amSTL-BWI
7h 17m1 stop
$143Frontier
Find Deal
Sun, Sep 7 - Mon, Sep 22
Southwest Logo
3:20 pm - 4:40 pmDCA-STL
2h 20mnonstop
Southwest Logo
6:30 pm - 9:35 pmSTL-DCA
2h 05mnonstop
$173Southwest
Find Deal
Thu, Sep 25 - Sat, Sep 27
American Airlines Logo
7:30 am - 9:15 amDCA-MCI
2h 45mnonstop
American Airlines Logo
10:28 am - 1:54 pmMCI-DCA
2h 26mnonstop
$173American Airlines
Find Deal
Thu, Sep 4 - Fri, Sep 5
United Airlines Logo
8:40 am - 10:02 amIAD-STL
2h 22mnonstop
United Airlines Logo
1:10 pm - 4:20 pmSTL-IAD
2h 10mnonstop
$173United Airlines
Find Deal
Wed, Sep 3 - Mon, Sep 8
United Airlines Logo
1:00 pm - 2:48 pmIAD-MCI
2h 48mnonstop
United Airlines Logo
5:47 pm - 9:23 pmMCI-IAD
2h 36mnonstop
$173United Airlines
Find Deal
Wed, Sep 3 - Thu, Sep 4
American Airlines Logo
7:30 am - 9:15 amDCA-MCI
2h 45mnonstop
American Airlines Logo
5:40 pm - 9:14 pmMCI-DCA
2h 34mnonstop
$174American Airlines
Find Deal
Thu, Sep 4 - Mon, Sep 8
Southwest Logo
6:00 am - 11:25 amDCA-MCI
6h 25m1 stop
Southwest Logo
7:45 am - 11:05 amMCI-DCA
2h 20mnonstop
$183Southwest
Find Deal
Thu, Dec 4 - Sun, Dec 7
Delta Logo
7:22 pm - 11:24 pmIAD-STL
5h 02m1 stop
Delta Logo
3:55 pm - 11:17 pmSTL-IAD
6h 22m1 stop
$197Delta
Find Deal
Thu, Sep 25 - Sat, Sep 27
Delta Logo
7:00 am - 10:50 amBWI-STL
4h 50m1 stop
Delta Logo
7:05 pm - 12:11 amSTL-BWI
4h 06m1 stop
$197Delta
Find Deal
Thu, Jan 8 - Sun, Jan 11

American Airlines flights from Washington, D.C. to Missouri

Our best American Airlines deals on Washington, D.C. to Missouri flight tickets
American Airlines
Sep 4
DCA7:30 amWashington, D.C. Reagan-National
2h 45m
MCI9:15 amKansas City
Sep 5
MCI10:28 amKansas City
2h 26m
DCA1:54 pmWashington, D.C. Reagan-National
$173
Find similar
American Airlines
Sep 4
DCA7:30 amWashington, D.C. Reagan-National
2h 45m
MCI9:15 amKansas City
Sep 8
MCI5:40 pmKansas City
2h 34m
DCA9:14 pmWashington, D.C. Reagan-National
$174
Find similar
American Airlines
Sep 7
BWI5:00 amBaltimore/Washington
4h 05m
1 stop
STL8:05 amLambert-St Louis
Sep 9
STL2:11 pmLambert-St Louis
6h 21m
1 stop
BWI9:32 pmBaltimore/Washington
$187
Find similar

United Airlines flights from Washington, D.C. to Missouri

Our best United Airlines deals on Washington, D.C. to Missouri flight tickets
United Airlines
Sep 3
IAD8:40 amWashington, D.C. Dulles Intl
2h 22m
STL10:02 amLambert-St Louis
Sep 8
STL1:10 pmLambert-St Louis
2h 10m
IAD4:20 pmWashington, D.C. Dulles Intl
$173
Find similar
United Airlines
Sep 3
IAD1:15 pmWashington, D.C. Dulles Intl
7h 12m
1 stop
STL7:27 pmLambert-St Louis
Sep 8
STL1:10 pmLambert-St Louis
2h 10m
IAD4:20 pmWashington, D.C. Dulles Intl
$183
Find similar
United Airlines
Sep 3
BWI4:20 pmBaltimore/Washington
8h 07m
1 stop
MCI11:27 pmKansas City
Sep 4
MCI8:30 amKansas City
6h 47m
1 stop
BWI4:17 pmBaltimore/Washington
$188
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 14, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Missouri that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.St. Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

Thu 9/25

6:10 am-3:04 pm

1 stop9h 54m

Lambert-St Louis

Mon 9/29

4:00 pm-12:15 am

1 stop7h 15m

$143

BaltimoreSt. Louis

BWI - STL

BWISTL

Baltimore/Washington

Sun 9/7

9:27 pm-1:02 pm

1 stop16h 35m

Lambert-St Louis

Mon 9/22

4:00 pm-12:17 am

1 stop7h 17m

$143

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Thu 9/25

3:20 pm-4:40 pm

Nonstop2h 20m

Lambert-St Louis

Sat 9/27

6:30 pm-9:35 pm

Nonstop2h 05m

$173

Washington, D.C.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Thu 9/4

7:30 am-9:15 am

Nonstop2h 45m

Kansas City

Fri 9/5

10:28 am-1:54 pm

Nonstop2h 26m

$173

Washington, D.C.St. Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

Wed 9/3

8:40 am-10:02 am

Nonstop2h 22m

Lambert-St Louis

Mon 9/8

1:10 pm-4:20 pm

Nonstop2h 10m

$173

Washington, D.C.Kansas City

IAD - MCI

IADMCI

Washington, D.C. Dulles Intl

Wed 9/3

1:00 pm-2:48 pm

Nonstop2h 48m

Kansas City

Thu 9/4

5:47 pm-9:23 pm

Nonstop2h 36m

$173

Washington, D.C.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Thu 9/4

7:30 am-9:15 am

Nonstop2h 45m

Kansas City

Mon 9/8

5:40 pm-9:14 pm

Nonstop2h 34m

$174

Washington, D.C.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Thu 12/4

6:00 am-11:25 am

1 stop6h 25m

Kansas City

Sun 12/7

7:45 am-11:05 am

Nonstop2h 20m

$183

Washington, D.C.St. Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

Thu 9/25

7:22 pm-11:24 pm

1 stop5h 02m

Lambert-St Louis

Sat 9/27

3:55 pm-11:17 pm

1 stop6h 22m

$197

BaltimoreSt. Louis

BWI - STL

BWISTL

Baltimore/Washington

Thu 1/8

7:00 am-10:50 am

1 stop4h 50m

Lambert-St Louis

Sun 1/11

7:05 pm-12:11 am

1 stop4h 06m

$197

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. 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, August is the cheapest month to fly from Washington, D.C. to Missouri. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $277. If you aren’t able to travel to Missouri during the month of August, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $297.

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

The cheapest day to depart from Washington, D.C. to Missouri is on a Wednesday when prices can be found for as low as $418. Flights from Washington, D.C. to Missouri on a Friday will generally be more expensive and average around $643. 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 in the evening. momondo users have found flights departing from Washington, D.C. to Missouri in the evening for as low as $366. 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 $644. 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. to Missouri flight route?

Fly from Washington, D.C. Reagan-National to Kansas City for the best Washington, D.C. - 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. when booking weeks ahead of your departure date. In general, you can expect to find flights to Missouri for around $415 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. for as low as $315 on momondo.

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

There are 4 cabin classes available to choose from on Washington, D.C. 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. to Missouri flights?

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

Cheap Washington, D.C. to Missouri flight deals and tips

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

Best Price Found

$72

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. in the past 72 hours is $72. The best round-trip flight deal from Washington, D.C. to Missouri found on momondo in the last 72 hours is $143.
The fastest flight from Washington, D.C. to Missouri takes 2h 10m
Direct flights go from Washington, D.C. 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. to Missouri?

    Prices for flights from Washington, D.C. to Missouri were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to Missouri.

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

    The travel and health documents you'll need for your trip to Missouri may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Missouri. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Washington, D.C. to Missouri?

Best airlines flying from Washington, D.C. to Missouri

Compare and see reviews for airlines that fly from Washington, D.C. to Missouri with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $108Free CancellationRating
5.8
3,219 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $123Free CancellationRating
6.3
8,045 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $158Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $169Free CancellationRating
8.0
7,980 reviews
Search Delta flights
SouthwestPriceFrom $189Free CancellationRating
8.0
4,244 reviews
Search Southwest flights
United AirlinesPriceFrom $198Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Missouri. momondo saves you time and could save you money on your trip.

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

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

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

Once all potential Washington, D.C. to Missouri flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Washington, D.C. to Missouri flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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