How long does it take to fly to Washington, D.C.?

Flight times from Missouri to Washington, D.C. vary, but if you’re flying out of St. Louis and flying into Washington, D.C. Dulles Intl Airport (one of the most popular routes), then the duration is 2h 06m on average. Another popular route from Missouri to Washington, D.C. is flying from Kansas City to Washington, D.C. Dulles Intl Airport, which will take roughly 2h 26m. Keep in mind that layovers or delays could extend your travel time.

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

As of September 2025, there are 28 flights per day flying from Missouri to Washington, D.C.. The most common time of day flights depart is 8:00AM, with 46% of flights taking off in the afternoon.

What airlines fly to Washington, D.C.?

Southwest, American Airlines and United Airlines are the top three most popular airlines that fly to Washington, D.C. from Missouri 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 Washington, D.C.. Keep in mind that there are 6 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

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

202 flights are operational weekly from Missouri to Washington, D.C. as of September 2025. The most popular departure day for this route is Thu, with 19% of flights per week taking off on this day.

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

United Airlines, Frontier, and Spirit Airlines are the most popular carriers operating from Missouri to Washington, D.C.

When did momondo last update prices for flights from Missouri to Washington, D.C.?

Prices for flights from Missouri to Washington, D.C. refresh daily.

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

As of September 2025, there are 6 operators available to choose from for flights from Missouri to Washington, D.C..

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

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 Missouri to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The travel and health documents you'll need for your trip to Washington, D.C. 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 Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$66 Cheap Flights from Missouri to Washington, D.C. in 2025/26

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

4:00 pm - 12:17 amSTL-BWI

7h 17m1 stop

6:22 am - 3:04 pmBWI-STL

9h 42m1 stop

$143Frontier

Find Deal

Thu, Oct 2 - Sun, Oct 5

4:56 pm - 12:13 amSTL-BWI

6h 17m1 stop

5:50 am - 10:12 amBWI-STL

5h 22m1 stop

$144Frontier

Find Deal

Fri, Nov 7 - Sun, Nov 9

12:20 pm - 11:54 pmSTL-BWI

10h 34m1 stop

5:50 am - 10:12 amBWI-STL

5h 22m1 stop

$165Multiple Airlines

Find Deal

Thu, Nov 6 - Sun, Nov 9

6:26 pm - 11:54 pmSTL-BWI

28h 28m1 stop

9:46 pm - 10:46 pmBWI-STL

26h 00m2 stops

$187Multiple Airlines

Find Deal

Thu, Dec 11 - Tue, Dec 16

12:13 pm - 11:54 pmMCI-BWI

10h 41m1 stop

10:48 am - 5:03 pmBWI-MCI

7h 15m1 stop

$202Spirit Airlines

Find Deal

Wed, Dec 3 - Sat, Dec 6

10:09 am - 8:32 pmMCI-BWI

9h 23m1 stop

9:37 pm - 9:04 amBWI-MCI

12h 27m1 stop

$206Spirit Airlines

Find Deal

Tue, Nov 11 - Thu, Nov 13

4:29 pm - 7:59 pmMCI-DCA

2h 30mnonstop

9:45 am - 1:53 pmDCA-MCI

5h 08m1 stop

$210American Airlines

Find Deal

Thu, Oct 30 - Wed, Nov 5

5:40 pm - 11:33 pmMCI-DCA

4h 53m1 stop

9:00 am - 2:00 pmDCA-MCI

6h 00m1 stop

$217Delta

Find Deal

Mon, Mar 9 - Wed, Mar 11

1:37 pm - 7:26 pmMCI-IAD

4h 49m1 stop

6:00 am - 12:29 pmIAD-MCI

7h 29m1 stop

$217Delta

Find Deal

Sat, Oct 11 - Tue, Oct 14

3:39 pm - 11:56 pmMCI-DCA

7h 17m1 stop

8:20 am - 10:35 amDCA-MCI

3h 15mnonstop

$238American Airlines

Find Deal

Fri, Dec 5 - Sun, Dec 7

Delta flights from Missouri to Washington, D.C.

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

Delta

Oct 11

MCI1:37 pmKansas City

4h 49m

1 stop

IAD7:26 pmWashington, D.C. Dulles Intl

Oct 14

IAD6:00 amWashington, D.C. Dulles Intl

7h 29m

1 stop

MCI12:29 pmKansas City

$217

Find similar

Delta

Oct 4

SGF4:13 pmSpringfield-Branson

6h 29m

1 stop

DCA11:42 pmWashington, D.C. Reagan-National

Oct 7

DCA4:03 pmWashington, D.C. Reagan-National

7h 06m

1 stop

SGF10:09 pmSpringfield-Branson

$254

Find similar

Delta

Oct 14

STL6:00 amLambert-St Louis

4h 21m

1 stop

BWI11:21 amBaltimore/Washington

Oct 15

BWI9:45 amBaltimore/Washington

4h 37m

1 stop

STL1:22 pmLambert-St Louis

$257

Find similar

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

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

United Airlines

Oct 11

MCI5:47 pmKansas City

2h 38m

IAD9:25 pmWashington, D.C. Dulles Intl

Oct 20

IAD5:15 pmWashington, D.C. Dulles Intl

5h 30m

1 stop

MCI9:45 pmKansas City

$238

Find similar

United Airlines

Oct 7

COU2:52 pmColumbia Regional

5h 11m

1 stop

DCA9:03 pmWashington, D.C. Reagan-National

Oct 11

DCA5:00 pmWashington, D.C. Reagan-National

5h 27m

1 stop

COU9:27 pmColumbia Regional

$243

Find similar

United Airlines

Oct 11

MCI5:47 pmKansas City

2h 38m

IAD9:25 pmWashington, D.C. Dulles Intl

Oct 20

IAD5:55 pmWashington, D.C. Dulles Intl

2h 51m

MCI7:46 pmKansas City

$252

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

Thu 10/2

4:00 pm-12:17 am

1 stop7h 17m

Baltimore/Washington

Sun 10/5

6:22 am-3:04 pm

1 stop9h 42m

$143

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

Fri 11/7

4:56 pm-12:13 am

1 stop6h 17m

Baltimore/Washington

Sun 11/9

5:50 am-10:12 am

1 stop5h 22m

$144

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

Thu 11/6

12:20 pm-11:54 pm

1 stop10h 34m

Baltimore/Washington

Sun 11/9

5:50 am-10:12 am

1 stop5h 22m

$165

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

Thu 12/11

6:26 pm-11:54 pm

1 stop28h 28m

Baltimore/Washington

Tue 12/16

9:46 pm-10:46 pm

2 stops26h 00m

$187

Kansas CityBaltimore

MCI - BWI

MCIBWI

Kansas City

Wed 12/3

12:13 pm-11:54 pm

1 stop10h 41m

Baltimore/Washington

Sat 12/6

10:48 am-5:03 pm

1 stop7h 15m

$202

Kansas CityBaltimore

MCI - BWI

MCIBWI

Kansas City

Tue 11/11

10:09 am-8:32 pm

1 stop9h 23m

Baltimore/Washington

Thu 11/13

9:37 pm-9:04 am

1 stop12h 27m

$206

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

Thu 10/30

4:29 pm-7:59 pm

Nonstop2h 30m

Washington, D.C. Reagan-National

Wed 11/5

9:45 am-1:53 pm

1 stop5h 08m

$210

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

Mon 3/9

5:40 pm-11:33 pm

1 stop4h 53m

Washington, D.C. Reagan-National

Wed 3/11

9:00 am-2:00 pm

1 stop6h 00m

$217

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Sat 10/11

1:37 pm-7:26 pm

1 stop4h 49m

Washington, D.C. Dulles Intl

Tue 10/14

6:00 am-12:29 pm

1 stop7h 29m

$217

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

Fri 12/5

3:39 pm-11:56 pm

1 stop7h 17m

Washington, D.C. Reagan-National

Sun 12/7

8:20 am-10:35 am

Nonstop3h 15m

$238

Flights are sorted by cheapest round-trip flights first.

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

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 Washington, D.C.?

The month of August is, on average, the cheapest month to fly to Washington, D.C. from Missouri, with most prices found around $229. If you’re not able to fly to Washington, D.C. in August, then November is your next best option. Flight prices from Missouri to Washington, D.C. during November average around $229.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Missouri is on a Friday. momondo users have found tickets for Friday departures for as low as $355. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Missouri to Washington, D.C. for around $481.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the evening is the cheapest time of day to fly from Missouri to Washington, D.C. when you can find flight prices for as low as $295. Flying to Washington, D.C. in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $953. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Fly from Kansas City to Washington, D.C. Reagan-National for the best Missouri - Washington, D.C. flight prices

How far in advance should I book a flight to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $377 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Missouri for as low as $246 on momondo.

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

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

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

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

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

Best Price Found	$129
Fastest flight time	1h 55m
Direct flights	Every day
Airports in Washington, D.C.	2 airports

The best one-way flight to Washington, D.C. from Missouri in the past 72 hours is $129. The best round-trip flight deal from Missouri to Washington, D.C. found on momondo in the last 72 hours is $265.

The fastest flight from Missouri to Washington, D.C. takes 1h 55m

Direct flights go from Missouri to Washington, D.C. every day.

There are 2 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI)

Search flight deals

When did momondo last update prices for flights from Missouri to Washington, D.C.?
Prices for flights from Missouri to Washington, D.C. refresh daily.
How many operators does momondo search for flights from Missouri to Washington, D.C.?
As of September 2025, there are 6 operators available to choose from for flights from Missouri to Washington, D.C..
How old do you have to be to fly from Missouri to Washington, D.C.?
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 Missouri to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The travel and health documents you'll need for your trip to Washington, D.C. 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 Washington, D.C.. 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 Missouri to Washington, D.C.?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Missouri to Washington, D.C. is Boeing 737 MAX 8 (18.50% of total bookings). The next most popular plane models are Boeing 737-700 Passenger/BBJ1 (winglets) (14.86%), Boeing 737-800 Passenger/BBJ2 (winglets) (13.81%), and Embraer 175 (11.95%).

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

Compare and see reviews for airlines that fly from Missouri to Washington, D.C. with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $111	Free Cancellation	Rating 5.8 3,171 reviews	Search Frontier flights
American Airlines	PriceFrom $129	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Spirit Airlines	PriceFrom $138	Free Cancellation	Rating 6.3 8,030 reviews	Search Spirit Airlines flights
Delta	PriceFrom $168	Free Cancellation	Rating 7.9 7,964 reviews	Search Delta flights
Southwest	PriceFrom $195	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
United Airlines	PriceFrom $211	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights

Alexandria

Gettysburg

National Harbor

Arlington

Woodbridge

Waldorf

Tysons

Laurel

Colonial Beach

Silver Spring

Fredericksburg

Towson

Rockville

Manassas

Reston

Fairfax

Glen Burnie

Gaithersburg

Springfield

Linthicum Heights

Why use momondo?

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

It is quick and easy to find Missouri to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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

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

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

Once you have performed a search for Missouri to Washington, D.C. 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 Missouri to Washington, D.C. right now. Can momondo alert me if prices change?

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

An easier way to manage your Washington, D.C. 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.

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Sat 10/18

Sat 10/25

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

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Cheap flights from Missouri to Washington, D.C. from $66

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Washington, D.C. departing on 10/18. 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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Delta flights from Missouri to Washington, D.C.

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

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

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

momondo Fare Finder

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

See travel insights to Washington, D.C. from

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

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 Washington, D.C.?

What is the cheapest day to depart on your flight to Washington, D.C.?

What is the cheapest time of day to depart on your flight to Washington, D.C.?

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

Fly from Kansas City to Washington, D.C. Reagan-National for the best Missouri - Washington, D.C. flight prices

How far in advance should I book a flight to Washington, D.C.?

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

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

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

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

United Airlines, Frontier, and Spirit Airlines are the most popular carriers operating from Missouri to Washington, D.C.

What airlines fly to Washington, D.C.?

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

As of September 2025, there are 28 flights per day flying from Missouri to Washington, D.C.. The most common time of day flights depart is 8:00AM, with 46% of flights taking off in the afternoon.

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

202 flights are operational weekly from Missouri to Washington, D.C. as of September 2025. The most popular departure day for this route is Thu, with 19% of flights per week taking off on this day.

How long does it take to fly to Washington, D.C.?

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

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

Best Price Found

Fastest flight time

Direct flights

Airports in Washington, D.C.

When did momondo last update prices for flights from Missouri to Washington, D.C.?

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

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

What documentation or ID do you need to fly to Washington, D.C.?

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

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

Compare and see reviews for airlines that fly from Missouri to Washington, D.C. with momondo

Traveling to a place near Washington, D.C.?

Why use momondo?

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

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

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

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

An easier way to manage your Washington, D.C. 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 the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.