What is the cheapest airline that flies from District of Columbia to Missouri?

Southwest, Frontier, and United Airlines are the most popular carriers operating from District of Columbia to Missouri

How many flights depart from District of Columbia to Missouri on average per week?

As of July 2026, 170 flights take off from District of Columbia and land in Missouri each week. The most common flight departure day for this route is Tue, with 18% of weekly flights taking off on this day.

How many flights depart from District of Columbia to Missouri on average per day?

As of July 2026, there are 24 flights per day flying from District of Columbia to Missouri. The most common time of day flights depart is 5:00PM, with 55% of flights taking off in the afternoon.

What airlines fly to Missouri?

Southwest, United Airlines and American Airlines are the top three most popular airlines that fly to Missouri from District of Columbia according to our data. Southwest is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Missouri. Keep in mind that there are 5 different airlines that fly to Missouri on a routine basis, so you have a few additional options to choose from.

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?

As of July 2026, there are 5 operators available to choose from 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.

$69 Cheap Flights from District of Columbia to Missouri in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from District of Columbia to Missouri

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 7:13 pm

DCA

STL

13h 13m

1 stop

7:58 pm - 9:59 pm

STL

DCA

25h 01m

1 stop

$254Frontier

Fri, Aug 28 - Mon, Aug 31

8:20 am - 12:02 pm

IAD

STL

4h 42m

1 stop

8:00 am - 1:55 pm

STL

IAD

4h 55m

1 stop

$257United Airlines

Wed, Aug 12 - Thu, Aug 13

7:25 am - 10:30 am

DCA

STL

4h 05m

1 stop

3:05 pm - 10:05 pm

STL

DCA

6h 00m

1 stop

$257Southwest

Mon, Aug 17 - Wed, Aug 19

7:25 am - 2:25 pm

DCA

STL

8h 00m

2 stops

10:15 am - 3:50 pm

STL

DCA

4h 35m

1 stop

$262Southwest

Wed, Aug 19 - Wed, Aug 26

7:59 pm - 9:28 pm

DCA

STL

2h 29mnonstop

5:13 pm - 8:19 pm

STL

DCA

2h 06mnonstop

$268American Airlines

Wed, Sep 2 - Wed, Sep 9

7:00 am - 8:26 am

IAD

MCI

26h 26m

2 stops

6:11 pm - 5:36 pm

MCI

IAD

22h 25m

1 stop

$269Multiple Airlines

Sun, Oct 4 - Wed, Oct 7

5:29 pm - 10:59 pm

DCA

MCI

6h 30m

1 stop

6:16 am - 10:00 am

MCI

DCA

2h 44mnonstop

$273American Airlines

Mon, Sep 21 - Thu, Sep 24

6:00 am - 10:15 am

IAD

MCI

5h 15m

1 stop

6:00 am - 1:43 pm

MCI

IAD

6h 43m

1 stop

$281Delta

Sat, Sep 5 - Sun, Sep 6

11:05 am - 9:36 am

IAD

SGF

23h 31m

1 stop

8:23 pm - 7:09 pm

SGF

IAD

21h 46m

1 stop

$285Multiple Airlines

Tue, Sep 1 - Fri, Sep 11

4:00 pm - 9:19 pm

DCA

SGF

6h 19m

1 stop

3:20 pm - 9:45 pm

SGF

DCA

5h 25m

1 stop

$309Delta

Sat, Aug 15 - Tue, Aug 18

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Delta flights from District of Columbia to Missouri

Our best Delta deals on District of Columbia to Missouri flight tickets

Delta

Sep 8

IAD10:15 amWashington, D.C. Dulles Intl

4h 53m

1 stop

STL2:08 pmLambert-St Louis

Sep 11

STL1:40 pmLambert-St Louis

5h 34m

1 stop

IAD8:14 pmWashington, D.C. Dulles Intl

$273

Delta

Sep 5

IAD6:00 amWashington, D.C. Dulles Intl

5h 15m

1 stop

MCI10:15 amKansas City

Sep 6

MCI6:00 amKansas City

6h 43m

1 stop

IAD1:43 pmWashington, D.C. Dulles Intl

$281

Delta

Aug 22

IAD2:54 pmWashington, D.C. Dulles Intl

6h 39m

1 stop

STL8:33 pmLambert-St Louis

Aug 29

STL6:00 amLambert-St Louis

6h 43m

1 stop

IAD1:43 pmWashington, D.C. Dulles Intl

$289

Southwest flights from District of Columbia to Missouri

Our best Southwest deals on District of Columbia to Missouri flight tickets

Southwest

Aug 17

DCA7:25 amWashington, D.C. Reagan-National

4h 05m

1 stop

STL10:30 amLambert-St Louis

Aug 19

STL3:05 pmLambert-St Louis

6h 00m

1 stop

DCA10:05 pmWashington, D.C. Reagan-National

$257

Southwest

Aug 19

DCA7:25 amWashington, D.C. Reagan-National

8h 00m

2 stops

STL2:25 pmLambert-St Louis

Aug 26

STL10:15 amLambert-St Louis

4h 35m

1 stop

DCA3:50 pmWashington, D.C. Reagan-National

$262

Southwest

Aug 13

DCA6:50 pmWashington, D.C. Reagan-National

2h 10m

STL8:00 pmLambert-St Louis

Aug 15

STL7:50 amLambert-St Louis

3h 40m

1 stop

DCA12:30 pmWashington, D.C. Reagan-National

$263

momondo Fare Finder

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

Cheapest round-trip

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Fri 8/28

7:00 am-7:13 pm

1 stop13h 13m

Lambert-St Louis

Mon 8/31

7:58 pm-9:59 pm

1 stop25h 01m

$254

Washington, D.C.St. Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

Wed 8/12

8:20 am-12:02 pm

1 stop4h 42m

Lambert-St Louis

Thu 8/13

8:00 am-1:55 pm

1 stop4h 55m

$257

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Mon 8/17

7:25 am-10:30 am

1 stop4h 05m

Lambert-St Louis

Wed 8/19

3:05 pm-10:05 pm

1 stop6h 00m

$257

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Wed 8/19

7:25 am-2:25 pm

2 stops8h 00m

Lambert-St Louis

Wed 8/26

10:15 am-3:50 pm

1 stop4h 35m

$262

Quickest round-trip

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Wed 9/2

7:59 pm-9:28 pm

Nonstop2h 29m

Lambert-St Louis

Wed 9/9

5:13 pm-8:19 pm

Nonstop2h 06m

$268

Washington, D.C.Kansas City

IAD - MCI

IADMCI

Washington, D.C. Dulles Intl

Sun 10/4

7:00 am-8:26 am

2 stops26h 26m

Kansas City

Wed 10/7

6:11 pm-5:36 pm

1 stop22h 25m

$269

Washington, D.C.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Mon 9/21

5:29 pm-10:59 pm

1 stop6h 30m

Kansas City

Thu 9/24

6:16 am-10:00 am

Nonstop2h 44m

$273

Washington, D.C.Kansas City

IAD - MCI

IADMCI

Washington, D.C. Dulles Intl

Sat 9/5

6:00 am-10:15 am

1 stop5h 15m

Kansas City

Sun 9/6

6:00 am-1:43 pm

1 stop6h 43m

$281

Washington, D.C.Springfield

IAD - SGF

IADSGF

Washington, D.C. Dulles Intl

Tue 9/1

11:05 am-9:36 am

1 stop23h 31m

Springfield-Branson

Fri 9/11

8:23 pm-7:09 pm

1 stop21h 46m

$285

Washington, D.C.Springfield

DCA - SGF

DCASGF

Washington, D.C. Reagan-National

Sat 8/15

4:00 pm-9:19 pm

1 stop6h 19m

Springfield-Branson

Tue 8/18

3:20 pm-9:45 pm

1 stop5h 25m

$309

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 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

Prices

Airlines

Other information

What is the cheapest month to fly to Missouri?

In general, October 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 $343. If you aren’t able to travel to Missouri during the month of October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $345.

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 Saturday when prices can be found for as low as $404. Flights from District of Columbia to Missouri on a Monday will generally be more expensive and average around $785. 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 morning. momondo users have found flights departing from District of Columbia to Missouri in the morning for as low as $510. 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 $636. 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

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.

Can stopping save me money on District of Columbia to Missouri flights?

You could potentially save up to 4% on your flight if you consider stops on a District of Columbia to Missouri flight.

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	$184
Fastest flight time	2h 10m
Direct flights	Every day
Airports in Missouri	55 airports

The best one-way flight to Missouri from District of Columbia in the past 72 hours is $184. The best round-trip flight deal from District of Columbia to Missouri found on momondo in the last 72 hours is $303.

The fastest flight from District of Columbia to Missouri takes 2h 10m

Direct flights go from District of Columbia to Missouri every day.

There are 55 airports in Missouri. From District of Columbia there are direct flights to Lambert-St Louis (STL).

Search flight deals

Frequently asked questions about flying from District of Columbia to Missouri

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?
As of July 2026, there are 5 operators available to choose from 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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from District of Columbia to Missouri is Boeing 737 MAX 8 (14.55% of total bookings). The next most popular plane models are Canadair (Bombardier) Regional Jet 700 (13.90%), Canadair (Bombardier) Regional Jet 900 (12.67%), and Airbus A319 (9.40%).

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
Frontier	PriceFrom $72	Free Cancellation	Rating 5.6 2,770 reviews	Search Frontier flights
Delta	PriceFrom $124	Free Cancellation	Rating 7.8 8,479 reviews	Search Delta flights
American Airlines	PriceFrom $202	Free Cancellation	Rating 7.1 11,832 reviews	Search American Airlines flights
Southwest	PriceFrom $208	Free Cancellation	Rating 8.0 4,238 reviews	Search Southwest flights
United Airlines	PriceFrom $258	Free Cancellation	Rating 7.4 10,024 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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Popular cities in Missouri

Flights to New Yorkfrom $73

Flights to Los Angelesfrom $38

Flights to Orlandofrom $57

Flights to Miamifrom $64

Flights to Chicagofrom $76

Flights to San Franciscofrom $51

Flights to Las Vegasfrom $38

Flights to Washington, D.C.from $50

Flights to Bostonfrom $110

Flights to Atlantafrom $56

Flights to Fort Lauderdalefrom $58

Flights to Dallasfrom $77

Cheap flights from District of Columbia to Missouri 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 District of Columbia to Missouri departing on 9/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from District of Columbia to Missouri

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Cheap last minute flights

Cheap direct flights

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Big names and deals

Filter for what you want

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Delta flights from District of Columbia to Missouri

Our best Delta deals on District of Columbia to Missouri flight tickets

Southwest flights from District of Columbia to Missouri

Our best Southwest deals on District of Columbia to Missouri flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from District of Columbia to Missouri that are best for you.

See travel insights to Missouri from

How to get the cheapest flight ticket from District of Columbia to Missouri

What is the cheapest month to fly to Missouri?

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

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

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

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

Can stopping save me money on District of Columbia to Missouri flights?

What is the cheapest airline that flies from District of Columbia to Missouri?

What airlines fly to Missouri?

How many flights depart from District of Columbia to Missouri on average per day?

How many flights depart from District of Columbia to Missouri on average per week?

Cheap District of Columbia to Missouri flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Missouri

Frequently asked questions about flying 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

Why use momondo?

An easier way to manage your Missouri trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Missouri

Popular cities in Missouri

Popular flights according to clicks in the last 7 days on momondo

District of Columbia flight routes

According to popular flight searches on momondo this year

Missouri flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Missouri

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Complete your trip to Missouri

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According to popular flight searches on momondo this year