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>

$63 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

$135

Typical prices: $205-$493

Multiple Airlines

Wed 2/18Sat 2/21

STL - BWI • 1 stop

Cheapest non-stop

$258

Typical prices: $368-$527

United Airlines

Tue 3/3Wed 3/4

STL - IAD • 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.

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, Feb 18 - Sat, Feb 21

8:17 pm - 12:31 am

STL

BWI

27h 14m

1 stop

4:45 pm - 11:59 pm

BWI

STL

8h 14m

1 stop

$135Multiple Airlines

Fri, Feb 20 - Sun, Feb 22

11:00 am - 12:31 am

MCI

BWI

12h 31m

1 stop

6:00 am - 9:53 am

BWI

MCI

28h 53m

1 stop

$144Frontier

Fri, Feb 20 - Fri, Feb 27

8:20 pm - 6:24 pm

STL

BWI

21h 04m

1 stop

6:08 pm - 6:51 am

BWI

STL

13h 43m

1 stop

$145Frontier

Mon, Feb 23 - Sun, Mar 1

11:26 am - 9:06 am

MCI

BWI

20h 40m

1 stop

6:00 am - 9:53 am

BWI

MCI

28h 53m

1 stop

$150Multiple Airlines

Tue, Feb 17 - Wed, Feb 18

2:06 pm - 8:30 pm

STL

IAD

5h 24m

1 stop

5:00 am - 9:40 am

IAD

STL

5h 40m

1 stop

$253American Airlines

Tue, Feb 17 - Tue, Feb 24

6:10 pm - 11:20 pm

STL

DCA

4h 10m

1 stop

11:00 am - 5:05 pm

DCA

STL

7h 05m

2 stops

$258Southwest

Wed, Feb 11 - Sat, Feb 14

3:10 pm - 9:17 pm

COU

IAD

5h 07m

1 stop

8:15 am - 2:28 pm

IAD

COU

7h 13m

1 stop

$258United Airlines

Tue, Feb 10 - Thu, Feb 12

9:54 am - 12:59 pm

STL

DCA

2h 05mnonstop

7:30 am - 9:06 am

DCA

STL

2h 36mnonstop

$261American Airlines

Wed, Feb 11 - Thu, Feb 12

8:30 am - 11:40 am

STL

IAD

2h 10mnonstop

8:40 am - 10:13 am

IAD

STL

2h 33mnonstop

$261United Airlines

Sat, Feb 14 - Tue, Feb 17

7:50 am - 12:50 pm

STL

DCA

4h 00m

1 stop

10:45 am - 5:35 pm

DCA

STL

7h 50m

2 stops

$266Southwest

Useful Info

Low season	September
High season	March
Cheapest flight	$63

Best time to beat the crowds with an average 12% drop in price.

Most popular time to fly with an average 16% 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

Lutherville Timonium

Hunt Valley

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 $534

Business Class flights to Washington, D.C.from $748

Premium Economy Class flights to Washington, D.C.from $974

Economy Class flights to Washington, D.C.from $222

$63 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