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Cheap flights from District of Columbia to Missouri from $71

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia 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.
1 adult
0 bags

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Find the cheapest flights from District of Columbia to Missouri

Cheap round-trip flights

Frontier Logo
7:00 am - 9:06 amDCA-STL
27h 06m1 stop
Frontier Logo
7:55 pm - 9:59 pmSTL-DCA
25h 04m1 stop
$184Frontier
Find Deal
Tue, Sep 16 - Wed, Sep 17
Frontier Logo
6:10 am - 3:04 pmIAD-STL
9h 54m1 stop
Frontier Logo
1:57 pm - 6:24 pmSTL-IAD
27h 27m1 stop
$185Frontier
Find Deal
Mon, Sep 22 - Fri, Sep 26
American Airlines Logo
7:50 am - 9:20 amDCA-STL
2h 30mnonstop
American Airlines Logo
6:00 am - 9:14 amSTL-DCA
2h 14mnonstop
$231American Airlines
Find Deal
Tue, Nov 18 - Wed, Nov 19
American Airlines Logo
7:30 am - 9:15 amDCA-MCI
2h 45mnonstop
American Airlines Logo
6:00 am - 9:26 amMCI-DCA
2h 26mnonstop
$237American Airlines
Find Deal
Wed, Oct 1 - Wed, Oct 8
United Airlines Logo
5:00 pm - 9:27 pmDCA-COU
5h 27m1 stop
United Airlines Logo
2:52 pm - 9:03 pmCOU-DCA
5h 11m1 stop
$238United Airlines
Find Deal
Fri, Sep 26 - Mon, Sep 29
Southwest Logo
3:35 pm - 5:20 pmDCA-MCI
2h 45mnonstop
Southwest Logo
12:35 pm - 3:55 pmMCI-DCA
2h 20mnonstop
$245Southwest
Find Deal
Sat, Oct 4 - Tue, Oct 7
United Airlines Logo
1:00 pm - 2:48 pmIAD-MCI
2h 48mnonstop
United Airlines Logo
5:47 pm - 9:25 pmMCI-IAD
2h 38mnonstop
$245United Airlines
Find Deal
Tue, Sep 30 - Thu, Oct 2
Southwest Logo
3:20 pm - 4:40 pmDCA-STL
2h 20mnonstop
Southwest Logo
7:25 pm - 10:30 pmSTL-DCA
2h 05mnonstop
$247Southwest
Find Deal
Thu, Sep 25 - Mon, Sep 29
Delta Logo
10:07 am - 3:26 pmIAD-SGF
6h 19m1 stop
Delta Logo
6:45 pm - 12:13 amSGF-IAD
4h 28m1 stop
$249Delta
Find Deal
Tue, Sep 23 - Mon, Sep 29
Delta Logo
5:59 pm - 9:58 pmIAD-STL
4h 59m1 stop
Delta Logo
10:45 am - 4:23 pmSTL-IAD
4h 38m1 stop
$251Delta
Find Deal
Tue, Nov 18 - Wed, Nov 19

Southwest flights from District of Columbia to Missouri

Our best Southwest deals on District of Columbia to Missouri flight tickets
Southwest
Oct 4
DCA3:35 pmWashington, D.C. Reagan-National
2h 45m
MCI5:20 pmKansas City
Oct 7
MCI12:35 pmKansas City
2h 20m
DCA3:55 pmWashington, D.C. Reagan-National
$245
Find similar
Southwest
Sep 25
DCA3:20 pmWashington, D.C. Reagan-National
2h 20m
STL4:40 pmLambert-St Louis
Sep 29
STL7:25 pmLambert-St Louis
2h 05m
DCA10:30 pmWashington, D.C. Reagan-National
$247
Find similar
Southwest
Oct 25
DCA6:00 amWashington, D.C. Reagan-National
6h 40m
1 stop
MCI11:40 amKansas City
Oct 28
MCI8:00 pmKansas City
2h 25m
DCA11:25 pmWashington, D.C. Reagan-National
$255
Find similar

Frontier flights from District of Columbia to Missouri

Our best Frontier deals on District of Columbia to Missouri flight tickets
Frontier
Sep 16
DCA7:00 amWashington, D.C. Reagan-National
27h 06m
1 stop
STL9:06 amLambert-St Louis
Sep 17
STL7:55 pmLambert-St Louis
25h 04m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
$184
Find similar
Frontier
Sep 22
IAD6:10 amWashington, D.C. Dulles Intl
9h 54m
1 stop
STL3:04 pmLambert-St Louis
Sep 26
STL1:57 pmLambert-St Louis
27h 27m
1 stop
IAD6:24 pmWashington, D.C. Dulles Intl
$185
Find similar
Frontier
Sep 18
IAD6:10 amWashington, D.C. Dulles Intl
9h 54m
1 stop
STL3:04 pmLambert-St Louis
Sep 25
STL10:49 amLambert-St Louis
12h 26m
2 stops
IAD12:15 amWashington, D.C. Dulles Intl
$186
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 September 4, 2025.
Use the filters below to find and compare flights from District of Columbia 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 9/16

7:00 am-9:06 am

1 stop27h 06m

Lambert-St Louis

Wed 9/17

7:55 pm-9:59 pm

1 stop25h 04m

$184

Washington, D.C.St. Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

Mon 9/22

6:10 am-3:04 pm

1 stop9h 54m

Lambert-St Louis

Fri 9/26

1:57 pm-6:24 pm

1 stop27h 27m

$185

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Tue 11/18

7:50 am-9:20 am

Nonstop2h 30m

Lambert-St Louis

Wed 11/19

6:00 am-9:14 am

Nonstop2h 14m

$231

Washington, D.C.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Wed 10/1

7:30 am-9:15 am

Nonstop2h 45m

Kansas City

Wed 10/8

6:00 am-9:26 am

Nonstop2h 26m

$237

Washington, D.C.Columbia

DCA - COU

DCACOU

Washington, D.C. Reagan-National

Fri 9/26

5:00 pm-9:27 pm

1 stop5h 27m

Columbia Regional

Mon 9/29

2:52 pm-9:03 pm

1 stop5h 11m

$238

Washington, D.C.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Sat 10/4

3:35 pm-5:20 pm

Nonstop2h 45m

Kansas City

Tue 10/7

12:35 pm-3:55 pm

Nonstop2h 20m

$245

Washington, D.C.Kansas City

IAD - MCI

IADMCI

Washington, D.C. Dulles Intl

Tue 9/30

1:00 pm-2:48 pm

Nonstop2h 48m

Kansas City

Thu 10/2

5:47 pm-9:25 pm

Nonstop2h 38m

$245

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

Mon 9/29

7:25 pm-10:30 pm

Nonstop2h 05m

$247

Washington, D.C.Springfield

IAD - SGF

IADSGF

Washington, D.C. Dulles Intl

Tue 9/23

10:07 am-3:26 pm

1 stop6h 19m

Springfield-Branson

Mon 9/29

6:45 pm-12:13 am

1 stop4h 28m

$249

Washington, D.C.St. Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

Tue 11/18

5:59 pm-9:58 pm

1 stop4h 59m

Lambert-St Louis

Wed 11/19

10:45 am-4:23 pm

1 stop4h 38m

$251

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 District of Columbia 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 District of Columbia to Missouri. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $284. 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 District of Columbia to Missouri is on a Tuesday when prices can be found for as low as $368. Flights from District of Columbia to Missouri on a Sunday will generally be more expensive and average around $514. 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 District of Columbia to Missouri in the evening for as low as $386. 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 $446. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest District of Columbia to Missouri flight route?

Fly from Washington, D.C. Reagan-National to Lambert-St Louis for the best District of Columbia - 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 District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to Missouri for around $349 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Missouri from District of Columbia for as low as $219 on momondo.

What cabin class options are available on District of Columbia to Missouri flights?

There are 4 cabin classes available to choose from on District of Columbia to Missouri flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap District of Columbia to Missouri flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Missouri

Best Price Found

$129

Fastest flight time

2h 10m

Direct flights

Every day

Airports in Missouri

1 airport
The best one-way flight to Missouri from District of Columbia in the past 72 hours is $129. The best round-trip flight deal from District of Columbia to Missouri found on momondo in the last 72 hours is $254.
The fastest flight from District of Columbia to Missouri takes 2h 10m
Direct flights go from District of Columbia to Missouri every day.
There is 1 airport near Missouri: Lambert-St Louis (STL)
Search flight deals

  • When did momondo last update prices for flights from District of Columbia to Missouri?

    Prices for flights from District of Columbia to Missouri are refreshed on a daily basis.

  • How many operators does momondo search for flights from District of Columbia to Missouri?

  • How old do you have to be to fly from District of Columbia to Missouri?

    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 District of Columbia to Missouri.

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

    The travel and health documents required for your trip to Missouri can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Missouri. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from District of Columbia to Missouri?

Best airlines flying from District of Columbia to Missouri

Compare and see reviews for airlines that fly from District of Columbia to Missouri with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $108Free CancellationRating
5.8
3,195 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $123Free CancellationRating
6.3
8,016 reviews
Search Spirit Airlines flights
DeltaPriceFrom $155Free CancellationRating
7.9
7,977 reviews
Search Delta flights
American AirlinesPriceFrom $167Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $188Free CancellationRating
8.0
4,241 reviews
Search Southwest flights
United AirlinesPriceFrom $198Free CancellationRating
7.4
8,939 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia 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 District of Columbia to Missouri for you.

Can I find flights from District of Columbia to Missouri with flexible booking policies on momondo?

Yes. All flights to Missouri from District of Columbia on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from District of Columbia to Missouri?

Once you have performed a search for District of Columbia 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 District of Columbia to Missouri right now. Can momondo alert me if prices change?

If you are not ready to book a flight from District of Columbia to Missouri now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Missouri and let you know when they change.

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