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>

$62 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

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

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Cheapest round-trip

$137

Overall average: $410

Frontier

Wed 1/28Tue 2/3

STL - BWI • 1 stop

Cheapest non-stop

$201

Typical prices: $314-$618

Southwest

Sat 2/14Wed 2/18

MCI - 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.!

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.

Wed, Jan 28 - Tue, Feb 3

5:42 pm - 12:27 pm

STL

BWI

17h 45m1 stop

8:00 am - 11:33 pm

BWI

STL

16h 33m1 stop

$137Frontier

Mon, Jan 26 - Wed, Jan 28

5:42 pm - 11:47 pm

STL

BWI

29h 05m1 stop

8:00 am - 11:33 pm

BWI

STL

16h 33m1 stop

$154Multiple Airlines

Wed, Jan 21 - Sat, Jan 24

5:42 pm - 4:42 pm

STL

BWI

22h 00m1 stop

6:15 pm - 11:33 pm

BWI

STL

6h 18m1 stop

$160Frontier

Mon, Jan 26 - Wed, Jan 28

10:16 am - 10:27 am

STL

BWI

23h 11m2 stops

8:00 am - 11:33 pm

BWI

STL

16h 33m1 stop

$166Multiple Airlines

Thu, Jan 29 - Mon, Feb 2

5:50 am - 11:44 am

MCI

IAD

4h 54m1 stop

3:42 pm - 8:02 pm

IAD

MCI

5h 20m1 stop

$217Delta

Sat, Feb 21 - Wed, Feb 25

2:55 pm - 9:45 pm

MCI

IAD

5h 50m1 stop

9:05 am - 4:30 pm

IAD

MCI

8h 25m1 stop

$230Southwest

Sat, Feb 14 - Wed, Feb 18

5:30 pm - 9:01 pm

MCI

IAD

2h 31mnonstop

5:55 pm - 8:06 pm

IAD

MCI

3h 11mnonstop

$231United Airlines

Thu, Feb 5 - Sat, Feb 7

5:45 pm - 9:17 pm

MCI

IAD

2h 32mnonstop

1:05 pm - 3:10 pm

IAD

MCI

3h 05mnonstop

$233United Airlines

Sat, Feb 14 - Tue, Feb 17

7:50 am - 12:50 pm

STL

DCA

4h 00m1 stop

10:45 am - 5:35 pm

DCA

STL

7h 50m2 stops

$256Southwest

Mon, Feb 9 - Tue, Feb 17

1:18 pm - 9:23 pm

STL

DCA

7h 05m1 stop

6:00 am - 12:23 pm

DCA

STL

7h 23m1 stop

$261Delta

Useful Info

Low season	September
High season	March
Cheapest flight	$62

Best time to beat the crowds with an average 10% drop in price.

Most popular time to fly with an average 22% increase in price.

Flight from St. Louis to Baltimore

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

Glen Burnie

Greenbelt

Ellicott City

Edgewood

Colonial Beach

Pikesville

Hunt Valley

Lutherville Timonium

Camp Springs

Stevensville

Westminster

Hyattsville

Capitol Heights

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 $613

Business Class flights to Washington, D.C.from $553

Prem Econ Class flights to Washington, D.C.from $1,391

Economy Class flights to Washington, D.C.from $186

$62 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.

Everything you should know

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.

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