How does KAYAK find such low prices on flights from Missouri to Washington, D.C.?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Washington, D.C.. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Washington, D.C.?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Missouri is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Missouri to Washington, D.C.?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington, D.C. with an airline and back to Missouri with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Washington, D.C.?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$65 CHEAP FLIGHTS from Missouri to Washington, D.C.

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C.

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals

Cheap Flights from Missouri to Washington, D.C.

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Missouri to Washington, D.C. that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Missouri to Washington, D.C.

Thu, Oct 2 - Mon, Oct 6

10:49 am - 5:53 pmSTL-BWI

6h 04m1 stop

6:22 am - 3:04 pmBWI-STL

9h 42m1 stop

$143Frontier

Find Deal

Fri, Oct 10 - Sun, Oct 12

6:05 pm - 7:16 pmSTL-BWI

24h 11m1 stop

6:05 am - 10:37 amBWI-STL

5h 32m1 stop

$144Frontier

Find Deal

Wed, Nov 19 - Sun, Nov 23

1:47 pm - 10:57 pmMCI-BWI

8h 10m1 stop

6:15 am - 10:40 amBWI-MCI

5h 25m1 stop

$151United Airlines

Find Deal

Thu, Oct 30 - Sat, Nov 1

9:58 am - 5:14 pmMCI-BWI

6h 16m1 stop

6:15 am - 4:05 pmBWI-MCI

10h 50m2 stops

$156United Airlines

Find Deal

Tue, Oct 14 - Wed, Oct 15

12:51 pm - 8:48 pmSTL-BWI

6h 57m1 stop

6:13 pm - 11:54 pmBWI-STL

6h 41m1 stop

$158American Airlines

Find Deal

Tue, Nov 11 - Thu, Nov 13

6:27 am - 1:51 pmMCI-BWI

6h 24m1 stop

8:21 pm - 12:02 amBWI-MCI

4h 41m1 stop

$159American Airlines

Find Deal

Fri, Dec 5 - Sun, Dec 7

11:51 am - 12:15 amMCI-BWI

11h 24m1 stop

6:30 am - 10:43 amBWI-MCI

29h 13m1 stop

$180Multiple Airlines

Find Deal

Sat, Nov 8 - Tue, Nov 11

4:10 pm - 10:59 pmSTL-DCA

5h 49m1 stop

6:59 am - 10:49 amDCA-STL

4h 50m1 stop

$197Delta

Find Deal

Thu, Nov 13 - Sun, Nov 16

9:21 am - 5:16 pmSTL-BWI

6h 55m1 stop

6:00 am - 9:46 amBWI-STL

4h 46m1 stop

$197Delta

Find Deal

Mon, Oct 6 - Sat, Oct 11

5:15 pm - 12:53 amMCI-BWI

6h 38m1 stop

4:20 pm - 9:59 pmBWI-MCI

6h 39m1 stop

$199Multiple Airlines

Find Deal

Cheapest round-trip

$143

Overall average: $302

Frontier

Thu 10/2Mon 10/6

STL - BWI • 1 stop

Cheapest non-stop

$197

Typical prices: $227-446

American Airlines

Sat 11/8Tue 11/11

STL - DCA • Non-stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Washington, D.C.!

Useful Info

Low season	February
High season	March
Cheapest flight	$65

Best time to beat the crowds with an average 0% drop in price.

Most popular time to fly with an average 23% increase in price.

Flight from St. Louis to Reagan Washington National Airport

How does KAYAK find such low prices on flights from Missouri to Washington, D.C.?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Washington, D.C..
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Washington, D.C.?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Missouri is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Missouri to Washington, D.C.?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington, D.C. with an airline and back to Missouri with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Washington, D.C.?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Linthicum Heights

Hanover

Springfield

Gaithersburg

Towson

Oxon Hill

Owings Mills

Ellicott City

Greenbelt

Glen Burnie

Colonial Beach

Edgewood

Pikesville

Lutherville Timonium

Stevensville

Hunt Valley

Hyattsville

Capitol Heights

Camp Springs

Westminster

Everything you need to know for your flight to Washington, D.C.

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Cabin class types available on flights to Missouri

First Class flights to Washington, D.C.from $480

Business Class flights to Washington, D.C.from $537

Prem Econ Class flights to Washington, D.C.from $879

Economy Class flights to Washington, D.C.from $212

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

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

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C.

Cheap Flights from Missouri to Washington, D.C.

Recent round-trip flight deals from Missouri to Washington, D.C.

Recent one-way flight deals from Missouri to Washington, D.C.

Recent last minute flight deals from Missouri to Washington, D.C.

Recent direct flight deals from Missouri to Washington, D.C.

Everything you should know

Good to know

FAQs for booking flights from Missouri to Washington, D.C.

How does KAYAK find such low prices on flights from Missouri to Washington, D.C.?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Washington, D.C..

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Washington, D.C.?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Missouri is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Missouri to Washington, D.C.?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington, D.C. with an airline and back to Missouri with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Washington, D.C.?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

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

Everything you need to know for your flight to Washington, D.C.

Cabin class types available on flights to Missouri

Complete your trip to Washington, D.C. with a hotel stay or car rental

Find direct flights for Washington, D.C.

Flights to other popular destinations

Flights from domestic origins to Washington, D.C.

Choose which airport to fly into in Washington, D.C.

Find deals for your return flight