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

As of March 2026, there are 22 flights per day flying from Missouri to Washington, D.C.. The most common time of day flights depart is 12:00PM, with 60% of flights taking off in the afternoon.

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

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

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 10m 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 29m. 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 week?

159 flights are operational weekly from Missouri to Washington, D.C. as of March 2026. The most popular departure day for this route is Fri, with 23% of flights per week taking off on this day.

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.

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 March 2026, 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.

$65 Cheap Flights from Missouri to Washington, D.C. in 2026

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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

Enter your travel dates to find the best prices.

6:24 pm - 7:43 am

MCI

BWI

12h 19m

1 stop

9:25 pm - 5:29 pm

BWI

MCI

21h 04m

1 stop

$126Frontier

금, 5월 29 - 화, 6월 2

8:23 pm - 8:02 am

STL

BWI

10h 39m

1 stop

5:45 pm - 11:19 pm

BWI

STL

6h 34m

1 stop

$140Frontier

수, 4월 15 - 토, 4월 18

2:10 pm - 10:25 pm

STL

DCA

7h 15m

2 stops

6:25 pm - 7:50 pm

DCA

STL

2h 25mnonstop

$237Southwest

수, 5월 13 - 토, 5월 16

6:00 am - 9:15 am

STL

DCA

2h 15mnonstop

8:41 pm - 10:07 pm

DCA

STL

2h 26mnonstop

$240American Airlines

월, 5월 18 - 수, 5월 20

4:40 pm - 10:55 pm

STL

DCA

5h 15m

1 stop

9:55 am - 3:05 pm

DCA

STL

6h 10m

1 stop

$242Southwest

월, 5월 18 - 수, 5월 20

9:10 am - 4:03 pm

STL

IAD

5h 53m

1 stop

5:26 pm - 9:13 pm

IAD

STL

4h 47m

1 stop

$242United Airlines

화, 4월 21 - 화, 4월 28

6:00 am - 9:15 am

STL

DCA

2h 15mnonstop

8:41 pm - 10:07 pm

DCA

STL

2h 26mnonstop

$244American Airlines

월, 5월 18 - 수, 5월 20

6:30 am - 11:48 am

STL

IAD

4h 18m

1 stop

9:00 am - 10:31 am

IAD

STL

2h 31mnonstop

$253United Airlines

토, 4월 18 - 토, 4월 25

6:49 pm - 12:47 am

SGF

BWI

4h 58m

1 stop

11:54 am - 6:12 pm

BWI

SGF

7h 18m

1 stop

$275Delta

화, 6월 2 - 화, 6월 9

6:30 am - 12:59 pm

MCI

DCA

5h 29m

1 stop

7:38 pm - 11:50 pm

DCA

MCI

5h 12m

1 stop

$283Delta

수, 4월 15 - 월, 4월 20

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

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

United Airlines

Apr 21

STL9:10 amLambert-St Louis

5h 53m

1 stop

IAD4:03 pmWashington, D.C. Dulles Intl

Apr 28

IAD5:26 pmWashington, D.C. Dulles Intl

4h 47m

1 stop

STL9:13 pmLambert-St Louis

$242

United Airlines

Apr 18

STL6:30 amLambert-St Louis

4h 18m

1 stop

IAD11:48 amWashington, D.C. Dulles Intl

Apr 25

IAD9:00 amWashington, D.C. Dulles Intl

2h 31m

STL10:31 amLambert-St Louis

$253

United Airlines

Apr 14

MCI5:45 pmKansas City

2h 35m

IAD9:20 pmWashington, D.C. Dulles Intl

Apr 18

IAD1:10 pmWashington, D.C. Dulles Intl

7h 35m

1 stop

MCI7:45 pmKansas City

$284

Delta flights from Missouri to Washington, D.C.

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

Delta

Apr 18

STL1:03 pmLambert-St Louis

5h 53m

1 stop

IAD7:56 pmWashington, D.C. Dulles Intl

Apr 20

IAD7:19 pmWashington, D.C. Dulles Intl

5h 17m

1 stop

STL11:36 pmLambert-St Louis

$263

Delta

Apr 14

STL7:25 amLambert-St Louis

5h 39m

1 stop

IAD2:04 pmWashington, D.C. Dulles Intl

Apr 22

IAD7:19 pmWashington, D.C. Dulles Intl

5h 17m

1 stop

STL11:36 pmLambert-St Louis

$273

Delta

Jun 2

SGF6:49 pmSpringfield-Branson

4h 58m

1 stop

BWI12:47 amBaltimore/Washington

Jun 9

BWI11:54 amBaltimore/Washington

7h 18m

1 stop

SGF6:12 pmSpringfield-Branson

$275

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kansas CityBaltimore

MCI - BWI

MCIBWI

Kansas City

금 5/29

6:24 pm-7:43 am

1 stop12h 19m

Baltimore/Washington

화 6/2

9:25 pm-5:29 pm

1 stop21h 04m

$126

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

수 4/15

8:23 pm-8:02 am

1 stop10h 39m

Baltimore/Washington

토 4/18

5:45 pm-11:19 pm

1 stop6h 34m

$140

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

수 5/13

2:10 pm-10:25 pm

2 stops7h 15m

Washington, D.C. Reagan-National

토 5/16

6:25 pm-7:50 pm

Nonstop2h 25m

$237

Quickest round-trip

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

월 5/18

6:00 am-9:15 am

Nonstop2h 15m

Washington, D.C. Reagan-National

수 5/20

8:41 pm-10:07 pm

Nonstop2h 26m

$240

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

월 5/18

4:40 pm-10:55 pm

1 stop5h 15m

Washington, D.C. Reagan-National

수 5/20

9:55 am-3:05 pm

1 stop6h 10m

$242

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

화 4/21

9:10 am-4:03 pm

1 stop5h 53m

Washington, D.C. Dulles Intl

화 4/28

5:26 pm-9:13 pm

1 stop4h 47m

$242

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

월 5/18

6:00 am-9:15 am

Nonstop2h 15m

Washington, D.C. Reagan-National

수 5/20

8:41 pm-10:07 pm

Nonstop2h 26m

$244

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

토 4/18

6:30 am-11:48 am

1 stop4h 18m

Washington, D.C. Dulles Intl

토 4/25

9:00 am-10:31 am

Nonstop2h 31m

$253

SpringfieldBaltimore

SGF - BWI

SGFBWI

Springfield-Branson

화 6/2

6:49 pm-12:47 am

1 stop4h 58m

Baltimore/Washington

화 6/9

11:54 am-6:12 pm

1 stop7h 18m

$275

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

수 4/15

6:30 am-12:59 pm

1 stop5h 29m

Washington, D.C. Reagan-National

월 4/20

7:38 pm-11:50 pm

1 stop5h 12m

$283

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 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 October is your next best option. Flight prices from Missouri to Washington, D.C. during October average around $262.

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 Tuesday. momondo users have found tickets for Tuesday departures for as low as $366. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Missouri to Washington, D.C. for around $476.

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

In the afternoon is the cheapest time of day to fly from Missouri to Washington, D.C. when you can find flight prices for as low as $328. Flying to Washington, D.C. in the afternoon 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 $789. 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 Lambert-St Louis 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 $233 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?

You could potentially save up to 25% on your flight if you consider stops on a Missouri to Washington, D.C. flight.

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	$171
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 $171. The best round-trip flight deal from Missouri to Washington, D.C. found on momondo in the last 72 hours is $304.

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 in Washington, D.C.. From Missouri there are direct flights to Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD).

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 March 2026, 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 (20.80% of total bookings). The next most popular plane models are Canadair (Bombardier) Regional Jet 900 (17.96%), Canadair (Bombardier) Regional Jet 700 (13.39%), and Embraer 175 (13.21%).

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 $80	Free Cancellation	Rating 5.7 3,013 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $96	Free Cancellation	Rating 6.3 8,550 reviews	Search Spirit Airlines flights
Delta	PriceFrom $99	Free Cancellation	Rating 7.9 8,341 reviews	Search Delta flights
American Airlines	PriceFrom $150	Free Cancellation	Rating 7.1 11,507 reviews	Search American Airlines flights
United Airlines	PriceFrom $163	Free Cancellation	Rating 7.4 9,491 reviews	Search United Airlines flights
Southwest	PriceFrom $197	Free Cancellation	Rating 8.0 4,331 reviews	Search Southwest flights

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Laurel

Colonial Beach

Gaithersburg

Towson

Silver Spring

Fredericksburg

Rockville

Tysons

Manassas

Linthicum Heights

Springfield

Bethesda

Fairfax

College Park

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

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Missouri to Washington, D.C. from $65

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 6/10. 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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United Airlines flights from Missouri to Washington, D.C.

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

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

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?

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?

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

What is the cheapest airline that flies 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?

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

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.

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?

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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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.

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

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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