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>

$70 CHEAP FLIGHTS from Missouri to Washington, D.C.

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Flight Deals

Cheap Flights from Missouri to Washington, D.C.

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.

Tue, Aug 4 - Wed, Aug 12

6:34 pm - 7:26 am

STL

BWI

11h 52m

1 stop

9:37 pm - 5:37 pm

BWI

STL

21h 00m

1 stop

$138Frontier

Tue, Jul 14 - Tue, Jul 21

6:34 pm - 7:26 am

STL

BWI

11h 52m

1 stop

6:35 am - 5:37 pm

BWI

STL

12h 02m

1 stop

$144Frontier

Wed, Aug 5 - Sat, Aug 8

4:16 pm - 8:00 pm

MCI

DCA

2h 44mnonstop

5:24 pm - 12:10 am

DCA

MCI

7h 46m

1 stop

$262American Airlines

Tue, Jul 7 - Tue, Jul 7

7:15 am - 11:00 am

MCI

DCA

2h 45mnonstop

8:59 pm - 10:49 pm

DCA

MCI

2h 50mnonstop

$263American Airlines

Wed, Jul 1 - Tue, Jul 7

7:55 pm - 10:55 pm

STL

DCA

2h 00mnonstop

11:45 am - 2:50 pm

DCA

STL

4h 05m

1 stop

$263Southwest

Tue, Aug 4 - Thu, Aug 6

12:30 pm - 6:59 pm

STL

DCA

5h 29m

1 stop

6:20 am - 11:47 am

DCA

STL

6h 27m

1 stop

$264Delta

Tue, Aug 11 - Mon, Aug 17

10:33 am - 4:38 pm

STL

IAD

5h 05m

1 stop

8:28 am - 11:46 am

IAD

STL

4h 18m

1 stop

$264Delta

Thu, Sep 24 - Sat, Sep 26

7:55 pm - 10:55 pm

STL

DCA

2h 00mnonstop

6:00 am - 12:35 pm

DCA

STL

7h 35m

2 stops

$266Southwest

Wed, Aug 5 - Wed, Aug 12

6:00 am - 11:52 am

MCI

IAD

4h 52m

1 stop

5:44 pm - 7:32 pm

IAD

MCI

2h 48mnonstop

$271United Airlines

Tue, Jul 7 - Tue, Jul 14

10:49 am - 5:12 pm

COU

DCA

5h 23m

1 stop

10:30 am - 2:50 pm

DCA

COU

5h 20m

1 stop

$298United Airlines

Useful Info

Low season	February
High season	June
Cheapest flight	$70

Best time to beat the crowds with an average 6% drop in price.

Most popular time to fly with an average 3% 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

Springfield

Hanover

Gaithersburg

Towson

Oxon Hill

Owings Mills

Greenbelt

Glen Burnie

Edgewood

Ellicott City

Camp Springs

Pikesville

Colonial Beach

Hunt Valley

Lutherville Timonium

Chesapeake Beach

Westminster

Stevensville

Hyattsville

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 $543

Business Class flights to Washington, D.C.from $567

Premium Economy Class flights to Washington, D.C.from $560

Economy Class flights to Washington, D.C.from $257

$70 Find Cheap Flights from Missouri to Washington, D.C. - Compare and Save

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.

Good to know

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

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