How many flights depart from Washington, D.C. to Missouri on average per week?

The number of flights available between Washington, D.C. and Missouri is 123 per week as of August 2026. The most frequent departure day is Mon, with 33% of weekly flights leaving on this day.

What airlines fly to Missouri?

Southwest, United Airlines and American Airlines are the top three most popular airlines that fly to Missouri from Washington, D.C. 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.

How long is the flight from Washington, D.C. to Missouri?

The flight from Washington, D.C. to Missouri depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Baltimore (a popular airport in Washington, D.C.) to St. Louis (the most popular airport in Missouri), then the flight time is 2h 10m on average. If you fly from Washington, D.C. (another popular airport in Washington, D.C.) to St. Louis, then the average flight time is 2h 12m.

How many flights depart from Washington, D.C. to Missouri on average per day?

17 flights are operational daily from Washington, D.C. to Missouri as of August 2026. The most popular departure time for this route is 5:00PM, with 59% of flights per day taking off in the afternoon.

What is the cheapest airline that flies from Washington, D.C. to Missouri?

Frontier, Delta, and Southwest are the most popular carriers operating from Washington, D.C. to Missouri

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?

The number of operators available for flights from Washington, D.C. to Missouri is 5 as of August 2026.

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.

$64 Cheap Flights from Washington, D.C. to Missouri in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. to Missouri

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:45 am - 5:22 pm-

9h 37m

6:17 pm - 7:26 am-

12h 09m

$136Frontier

Thu, Sep 3 - Mon, Sep 7

6:00 am - 1:10 pm-

8h 10m

2:29 pm - 4:46 pm-

25h 17m

$141Frontier

Fri, Sep 11 - Mon, Sep 14

6:50 pm - 8:00 pm-

2h 10mnonstop

4:55 pm - 11:55 pm-

6h 00m

$247Southwest

Tue, Aug 25 - Thu, Aug 27

3:30 pm - 4:45 pm-

2h 15mnonstop

12:50 pm - 7:10 pm-

5h 20m

$247Southwest

Mon, Aug 24 - Wed, Aug 26

8:40 am - 10:14 am-

2h 34mnonstop

6:54 am - 12:58 pm-

5h 04m

$247American Airlines

Tue, Aug 25 - Thu, Aug 27

8:35 pm - 11:58 pm-

4h 23m

5:08 pm - 8:18 pm-

2h 10mnonstop

$247American Airlines

Sat, Oct 10 - Mon, Oct 12

5:45 pm - 7:11 pm-

2h 26mnonstop

4:50 pm - 10:59 pm-

5h 09m

$247United Airlines

Sat, Aug 29 - Tue, Sep 1

5:15 pm - 10:00 pm-

5h 45m

8:40 am - 11:54 am-

2h 14mnonstop

$247United Airlines

Mon, Aug 24 - Thu, Aug 27

9:27 am - 9:36 am-

25h 09m

8:23 pm - 2:11 pm-

16h 48m

$250Multiple Airlines

Tue, Sep 15 - Fri, Sep 18

1:55 pm - 8:46 am-

19h 51m

9:16 am - 11:04 pm-

12h 48m

$265Multiple Airlines

Thu, Oct 1 - Mon, Oct 5

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Frontier flights from Washington, D.C. to Missouri

Our best Frontier deals on Washington, D.C. to Missouri flight tickets

Frontier

Sep 14

BWI6:00 amBaltimore/Washington

8h 10m

1 stop

STL1:10 pmLambert-St Louis

Sep 21

STL2:29 pmLambert-St Louis

17h 56m

1 stop

BWI9:25 amBaltimore/Washington

$141

Frontier

Oct 4

BWI9:25 pmBaltimore/Washington

16h 45m

1 stop

STL1:10 pmLambert-St Louis

Oct 8

STL10:35 amLambert-St Louis

6h 59m

1 stop

BWI6:34 pmBaltimore/Washington

$143

Frontier

Oct 20

BWI9:29 pmBaltimore/Washington

13h 11m

1 stop

STL9:40 amLambert-St Louis

Oct 26

STL10:35 amLambert-St Louis

6h 59m

1 stop

BWI6:34 pmBaltimore/Washington

$144

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

Our best United Airlines deals on Washington, D.C. to Missouri flight tickets

United Airlines

Aug 24

IAD5:15 pmWashington, D.C. Dulles Intl

5h 45m

1 stop

STL10:00 pmLambert-St Louis

Aug 27

STL8:40 amLambert-St Louis

2h 14m

IAD11:54 amWashington, D.C. Dulles Intl

$247

United Airlines

Aug 27

IAD8:25 amWashington, D.C. Dulles Intl

2h 14m

STL9:39 amLambert-St Louis

Sep 3

STL8:40 amLambert-St Louis

2h 14m

IAD11:54 amWashington, D.C. Dulles Intl

$253

United Airlines

Sep 3

IAD8:25 amWashington, D.C. Dulles Intl

2h 14m

STL9:39 amLambert-St Louis

Sep 6

STL1:00 pmLambert-St Louis

2h 06m

IAD4:06 pmWashington, D.C. Dulles Intl

$256

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreSt. Louis

BWI - STL

BWISTL

Baltimore/Washington

Thu 9/3

8:45 am-5:22 pm

1 stop9h 37m

Lambert-St Louis

Mon 9/7

6:17 pm-7:26 am

1 stop12h 09m

$136

BaltimoreSt. Louis

BWI - STL

BWISTL

Baltimore/Washington

Fri 9/11

6:00 am-1:10 pm

1 stop8h 10m

Lambert-St Louis

Mon 9/14

2:29 pm-4:46 pm

1 stop25h 17m

$141

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Tue 8/25

6:50 pm-8:00 pm

Nonstop2h 10m

Lambert-St Louis

Thu 8/27

4:55 pm-11:55 pm

1 stop6h 00m

$247

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Mon 8/24

3:30 pm-4:45 pm

Nonstop2h 15m

Lambert-St Louis

Wed 8/26

12:50 pm-7:10 pm

1 stop5h 20m

$247

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Tue 8/25

8:40 am-10:14 am

Nonstop2h 34m

Lambert-St Louis

Thu 8/27

6:54 am-12:58 pm

1 stop5h 04m

$247

Quickest round-trip

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Sat 10/10

8:35 pm-11:58 pm

1 stop4h 23m

Lambert-St Louis

Mon 10/12

5:08 pm-8:18 pm

Nonstop2h 10m

$247

Washington, D.C.St. Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

Sat 8/29

5:45 pm-7:11 pm

Nonstop2h 26m

Lambert-St Louis

Tue 9/1

4:50 pm-10:59 pm

1 stop5h 09m

$247

Washington, D.C.St. Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

Mon 8/24

5:15 pm-10:00 pm

1 stop5h 45m

Lambert-St Louis

Thu 8/27

8:40 am-11:54 am

Nonstop2h 14m

$247

BaltimoreSpringfield

BWI - SGF

BWISGF

Baltimore/Washington

Tue 9/15

9:27 am-9:36 am

1 stop25h 09m

Springfield-Branson

Fri 9/18

8:23 pm-2:11 pm

1 stop16h 48m

$250

BaltimoreKansas City

BWI - MCI

BWIMCI

Baltimore/Washington

Thu 10/1

1:55 pm-8:46 am

1 stop19h 51m

Kansas City

Mon 10/5

9:16 am-11:04 pm

2 stops12h 48m

$265

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 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

Prices

Airlines

Other information

What is the cheapest month to fly to Missouri?

In general, October 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 $345. 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 $349.

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 Saturday when prices can be found for as low as $399. Flights from Washington, D.C. to Missouri on a Monday will generally be more expensive and average around $768. 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 Washington, D.C. 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 Washington, D.C. to Missouri flight route?

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

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?

You could potentially save up to 49% on your flight if you consider stops on a Washington, D.C. to Missouri flight.

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	$141
Fastest flight time	2h 10m
Direct flights	Every day
Airports in Missouri	55 airports

The best one-way flight to Missouri from Washington, D.C. in the past 72 hours is $141. The best round-trip flight deal from Washington, D.C. to Missouri found on momondo in the last 72 hours is $307.

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 55 airports in Missouri. From Washington, D.C. there are direct flights to Lambert-St Louis (STL).

Search flight deals

Frequently asked questions about flying from Washington, D.C. to Missouri

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?
The number of operators available for flights from Washington, D.C. to Missouri is 5 as of August 2026.
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?
Based on momondo bookings for flights between Washington, D.C. and Missouri, the leading plane model is Boeing 737 MAX 8, making up 16.13% of the total bookings. Other popular models include Canadair (Bombardier) Regional Jet 700 with 12.18%, Canadair (Bombardier) Regional Jet 900 with 10.69%, and Boeing 737-800 Passenger/BBJ2 (winglets) with 10.17%.

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
Frontier	PriceFrom $78	Free Cancellation	Rating 5.6 2,738 reviews	Search Frontier flights
Delta	PriceFrom $124	Free Cancellation	Rating 7.8 8,483 reviews	Search Delta flights
American Airlines	PriceFrom $204	Free Cancellation	Rating 7.1 11,846 reviews	Search American Airlines flights
Southwest	PriceFrom $231	Free Cancellation	Rating 8.0 4,222 reviews	Search Southwest flights
United Airlines	PriceFrom $258	Free Cancellation	Rating 7.4 10,059 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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Thu 9/3

Thu 9/10

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Missouri

Popular cities

Other flights from Washington, D.C.

Other flights to Missouri

Airlines

Complete your trip

Feeling lucky

Popular cities in Missouri

Flights to New Yorkfrom $71

Flights to Los Angelesfrom $60

Flights to Orlandofrom $55

Flights to Miamifrom $74

Flights to Chicagofrom $65

Flights to San Franciscofrom $53

Flights to Las Vegasfrom $53

Flights to Washington, D.C.from $59

Flights to Bostonfrom $51

Flights to Atlantafrom $56

Flights to Fort Lauderdalefrom $51

Flights to Dallasfrom $73

Cheap flights from Washington, D.C. to Missouri from $64

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 8/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Washington, D.C. to Missouri

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Frontier flights from Washington, D.C. to Missouri

Our best Frontier deals on Washington, D.C. to Missouri flight tickets

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

Our best United Airlines deals on Washington, D.C. to Missouri flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Missouri that are best for you.

See travel insights to Missouri from

How to get the cheapest flight ticket from Washington, D.C. 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 Washington, D.C. to Missouri flight route?

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

Can stopping save me money on Washington, D.C. to Missouri flights?

What is the cheapest airline that flies from Washington, D.C. to Missouri?

What airlines fly to Missouri?

How many flights depart from Washington, D.C. to Missouri on average per day?

How many flights depart from Washington, D.C. to Missouri on average per week?

How long is the flight from Washington, D.C. to Missouri?

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

Best Price Found

Fastest flight time

Direct flights

Airports in Missouri

Frequently asked questions about flying 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

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

Washington, D.C. 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

Explore popular destinations other users love

According to popular flight searches on momondo this year