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.

$59 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.

Mon, Sep 14 - Mon, Sep 21

2:29 pm - 9:25 amSTL Lambert-St Louis-BWI Baltimore/Washington

17h 56m1 stop Atlanta Hartsfield-Jackson

6:00 am - 1:10 pmBWI Baltimore/Washington-STL Lambert-St Louis

8h 10m1 stop Atlanta Hartsfield-Jackson

$135Frontier

Mon, Sep 14 - Thu, Sep 17

2:29 pm - 11:04 pmSTL Lambert-St Louis-BWI Baltimore/Washington

7h 35m1 stop Atlanta Hartsfield-Jackson

9:25 pm - 1:10 pmBWI Baltimore/Washington-STL Lambert-St Louis

16h 45m1 stop Atlanta Hartsfield-Jackson

$139Frontier

Tue, Sep 22 - Wed, Sep 30

3:10 pm - 6:40 pmMCI Kansas City-BWI Baltimore/Washington

2h 30mnonstop

6:30 pm - 8:15 pmBWI Baltimore/Washington-MCI Kansas City

2h 45mnonstop

$246Southwest

Tue, Sep 22 - Tue, Sep 29

11:20 am - 2:45 pmMCI Kansas City-BWI Baltimore/Washington

2h 25mnonstop

10:10 am - 11:50 amBWI Baltimore/Washington-MCI Kansas City

2h 40mnonstop

$246Southwest

Thu, Oct 1 - Sat, Oct 3

3:15 pm - 3:21 pmSGF Springfield-Branson-IAD Washington, D.C. Dulles Intl

23h 06m1 stop Valparaiso Destin-Ft Walton Beach

7:28 pm - 8:08 amIAD Washington, D.C. Dulles Intl-SGF Springfield-Branson

13h 40m1 stop Tampa

$248Multiple Airlines

Wed, Nov 11 - Sat, Nov 14

6:00 am - 2:06 pmMCI Kansas City-BWI Baltimore/Washington

7h 06m1 stop Chicago O'Hare Intl

10:10 am - 4:34 pmBWI Baltimore/Washington-MCI Kansas City

7h 24m1 stop Chicago O'Hare Intl

$253United Airlines

Thu, Sep 10 - Mon, Sep 14

5:13 am - 1:05 pmMCI Kansas City-BWI Baltimore/Washington

6h 52m1 stop Chicago O'Hare Intl

6:16 pm - 12:23 amBWI Baltimore/Washington-MCI Kansas City

7h 07m1 stop Chicago O'Hare Intl

$253American Airlines

Sat, Sep 12 - Mon, Sep 14

6:28 am - 1:57 pmMCI Kansas City-BWI Baltimore/Washington

6h 29m1 stop Charlotte Douglas

7:09 pm - 10:59 pmBWI Baltimore/Washington-MCI Kansas City

4h 50m1 stop Charlotte Douglas

$253American Airlines

Fri, Sep 4 - Mon, Sep 7

8:30 am - 1:55 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

4h 25m1 stop Chicago O'Hare Intl

6:16 am - 10:12 amIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

4h 56m1 stop Chicago O'Hare Intl

$256United Airlines

Thu, Oct 1 - Sat, Oct 3

8:28 am - 12:10 amSGF Springfield-Branson-IAD Washington, D.C. Dulles Intl

14h 42m2 stops Tampa St. Petersburg Atlanta Hartsfield-Jackson

7:28 pm - 8:08 amIAD Washington, D.C. Dulles Intl-SGF Springfield-Branson

13h 40m1 stop Tampa

$290Multiple Airlines

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

Sat, Aug 15 - Thu, Sep 10

4:57 pm - 4:40 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

22h 43m1 stop Atlanta Hartsfield-Jackson

9:04 pm - 1:10 pmIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

17h 06m1 stop Atlanta Hartsfield-Jackson

$289Frontier

Sat, Aug 15 - Thu, Sep 10

8:08 pm - 12:51 pmSTL Lambert-St Louis-DCA Washington, D.C. Reagan-National

15h 43m1 stop Denver Intl

6:00 pm - 7:17 pmDCA Washington, D.C. Reagan-National-STL Lambert-St Louis

26h 17m1 stop Denver Intl

$291Frontier

Sat, Aug 15 - Thu, Sep 10

7:00 am - 10:13 amSTL Lambert-St Louis-DCA Washington, D.C. Reagan-National

2h 13mnonstop

8:41 am - 10:15 amDCA Washington, D.C. Reagan-National-STL Lambert-St Louis

2h 34mnonstop

$372American Airlines

Fri, Aug 14 - Mon, Sep 14

12:23 pm - 6:14 pmSGF Springfield-Branson-DCA Washington, D.C. Reagan-National

4h 51m1 stop Charlotte Douglas

5:00 pm - 10:32 pmDCA Washington, D.C. Reagan-National-SGF Springfield-Branson

6h 32m1 stop Chicago O'Hare Intl

$379American Airlines

Fri, Aug 14 - Sat, Aug 29

6:58 pm - 12:34 amSGF Springfield-Branson-IAD Washington, D.C. Dulles Intl

4h 36m1 stop Atlanta Hartsfield-Jackson

2:54 pm - 9:19 pmIAD Washington, D.C. Dulles Intl-SGF Springfield-Branson

7h 25m1 stop Atlanta Hartsfield-Jackson

$394Delta

Sat, Aug 15 - Thu, Sep 10

8:40 am - 11:54 amSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

2h 14mnonstop

8:25 am - 9:39 amIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

2h 14mnonstop

$395United Airlines

Sat, Aug 15 - Tue, Aug 18

11:38 am - 7:50 pmSGF Springfield-Branson-BWI Baltimore/Washington

7h 12m1 stop Atlanta Hartsfield-Jackson

6:00 am - 10:53 amBWI Baltimore/Washington-SGF Springfield-Branson

5h 53m1 stop Atlanta Hartsfield-Jackson

$397Delta

Sat, Aug 15 - Thu, Sep 10

8:40 am - 11:54 amSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

2h 14mnonstop

5:15 pm - 9:36 pmIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

5h 21m1 stop Chicago O'Hare Intl

$405United Airlines

Mon, Aug 17 - Sun, Aug 23

8:42 am - 9:59 pmSGF Springfield-Branson-BWI Baltimore/Washington

36h 17m2 stops Tampa St. Petersburg Atlanta Hartsfield-Jackson

6:24 am - 9:33 amBWI Baltimore/Washington-SGF Springfield-Branson

28h 09m1 stop Orlando

$443Multiple Airlines

Mon, Aug 17 - Sun, Aug 23

3:30 pm - 9:30 pmSGF Springfield-Branson-BWI Baltimore/Washington

29h 00m1 stop Orlando Sanford Intl

6:24 am - 9:33 amBWI Baltimore/Washington-SGF Springfield-Branson

28h 09m1 stop Orlando

$457Multiple Airlines

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

Tue, Sep 22 - Wed, Sep 30

3:10 pm - 6:40 pmMCI Kansas City-BWI Baltimore/Washington

2h 30mnonstop

6:30 pm - 8:15 pmBWI Baltimore/Washington-MCI Kansas City

2h 45mnonstop

$246Southwest

Tue, Sep 22 - Tue, Sep 29

11:20 am - 2:45 pmMCI Kansas City-BWI Baltimore/Washington

2h 25mnonstop

10:10 am - 11:50 amBWI Baltimore/Washington-MCI Kansas City

2h 40mnonstop

$246Southwest

Wed, Sep 9 - Wed, Sep 16

8:00 am - 11:05 amSTL Lambert-St Louis-BWI Baltimore/Washington

2h 05mnonstop

8:55 am - 10:05 amBWI Baltimore/Washington-STL Lambert-St Louis

2h 10mnonstop

$257Southwest

Wed, Sep 9 - Tue, Sep 15

5:55 am - 9:00 amSTL Lambert-St Louis-BWI Baltimore/Washington

2h 05mnonstop

8:55 am - 10:05 amBWI Baltimore/Washington-STL Lambert-St Louis

2h 10mnonstop

$257Southwest

Thu, Sep 24 - Sat, Sep 26

6:00 am - 9:19 amSTL Lambert-St Louis-DCA Washington, D.C. Reagan-National

2h 19mnonstop

4:15 pm - 5:39 pmDCA Washington, D.C. Reagan-National-STL Lambert-St Louis

2h 24mnonstop

$261American Airlines

Thu, Nov 5 - Mon, Nov 9

7:00 am - 10:08 amSTL Lambert-St Louis-DCA Washington, D.C. Reagan-National

2h 08mnonstop

8:25 am - 10:09 amDCA Washington, D.C. Reagan-National-STL Lambert-St Louis

2h 44mnonstop

$261American Airlines

Mon, Sep 7 - Mon, Sep 14

6:00 am - 9:14 amSTL Lambert-St Louis-DCA Washington, D.C. Reagan-National

2h 14mnonstop

8:41 am - 10:15 amDCA Washington, D.C. Reagan-National-STL Lambert-St Louis

2h 34mnonstop

$261American Airlines

Sun, Sep 6 - Tue, Sep 8

12:10 pm - 3:40 pmMCI Kansas City-IAD Washington, D.C. Dulles Intl

2h 30mnonstop

5:44 pm - 7:32 pmIAD Washington, D.C. Dulles Intl-MCI Kansas City

2h 48mnonstop

$278United Airlines

Fri, Sep 4 - Sun, Sep 6

12:10 pm - 3:40 pmMCI Kansas City-IAD Washington, D.C. Dulles Intl

2h 30mnonstop

1:00 pm - 2:50 pmIAD Washington, D.C. Dulles Intl-MCI Kansas City

2h 50mnonstop

$281United Airlines

Wed, Sep 9 - Thu, Sep 10

1:00 pm - 4:06 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

2h 06mnonstop

8:25 am - 9:39 amIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

2h 14mnonstop

$282United Airlines

Useful Info

Low season	February
High season	June
Cheapest flight	$59

Best time to beat the crowds with an average 8% drop in price.

Most popular time to fly and prices are also 1% lower on average.

Flight from St. Louis to Washington Dulles 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

Greenbelt

Glen Burnie

Edgewood

Chesapeake Beach

Ellicott City

Camp Springs

Pikesville

Colonial Beach

Hunt Valley

Lutherville Timonium

Capitol Heights

Westminster

Stevensville

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

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Cabin class types available on flights to Missouri

First Class flights to Washington, D.C.from $583

Business Class flights to Washington, D.C.from $650

Premium Economy Class flights to Washington, D.C.from $2,014

Economy Class flights to Washington, D.C.from $237

$59 Find Cheap Flights from Missouri to Washington, D.C. - Compare and Save

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.

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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.

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Flights from domestic origins to Washington, D.C.

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

Find deals for your return flight