How does KAYAK find such low prices on flights from Missouri to Washington Dulles Airport?

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 Dulles Airport.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Washington Dulles Airport?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport 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 Dulles Airport?

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 Dulles Airport 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 Dulles Airport?

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 Dulles Airport from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$67 CHEAP FLIGHTS from Missouri to Washington Dulles (IAD)

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Flight Deals

Cheap Flights from Missouri to Dulles Intl

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 Dulles Intl

Tue, Nov 24 - Tue, Dec 1

5:15 pm - 12:14 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

17h 59m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson

10:33 pm - 11:06 amIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

13h 33m2 stops Atlanta Hartsfield-Jackson Denver Intl

$258Frontier

Tue, Dec 8 - Tue, Dec 8

6:30 am - 11:53 amSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

4h 23m1 stop Chicago O'Hare Intl

5:46 pm - 10:15 pmIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

5h 29m1 stop Newark

$258United Airlines

Wed, Dec 16 - Sat, Dec 19

6:20 pm - 3:13 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

19h 53m2 stops Orlando Atlanta Hartsfield-Jackson

5:30 am - 12:41 amIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

20h 11m2 stops Atlanta Hartsfield-Jackson Orlando

$259Frontier

Mon, Nov 23 - Tue, Dec 1

5:01 pm - 10:02 pmMCI Kansas City-IAD Washington, D.C. Dulles Intl

28h 01m1 stop Fort Lauderdale

10:33 pm - 7:33 pmIAD Washington, D.C. Dulles Intl-MCI Kansas City

22h 00m2 stops Atlanta Hartsfield-Jackson Denver Intl

$262Multiple Airlines

Mon, Nov 23 - Tue, Dec 1

4:25 pm - 10:01 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

4h 36m1 stop Charlotte Douglas

5:41 pm - 11:58 pmIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

7h 17m1 stop Charlotte Douglas

$263American Airlines

Wed, Dec 9 - Thu, Dec 10

2:00 pm - 8:52 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

5h 52m1 stop Charlotte Douglas

6:00 am - 12:15 pmIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

7h 15m1 stop Charlotte Douglas

$263American Airlines

Thu, Nov 19 - Thu, Dec 3

10:20 am - 4:26 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

5h 06m1 stop Detroit Metropolitan Wayne County

10:11 am - 4:24 pmIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

7h 13m1 stop Atlanta Hartsfield-Jackson

$263Delta

Mon, Dec 14 - Mon, Dec 14

6:00 am - 2:01 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

7h 01m1 stop Atlanta Hartsfield-Jackson

7:39 pm - 12:05 amIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

5h 26m1 stop Atlanta Hartsfield-Jackson

$263Delta

Thu, Jan 14 - Thu, Jan 21

6:00 am - 1:33 pmMCI Kansas City-IAD Washington, D.C. Dulles Intl

6h 33m1 stop Chicago O'Hare Intl

5:55 pm - 8:00 pmIAD Washington, D.C. Dulles Intl-MCI Kansas City

3h 05mnonstop

$263United Airlines

Mon, Nov 16 - Wed, Nov 18

2:00 pm - 10:21 amSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

19h 21m3 stops Jonesboro Nashville Intl Orlando

7:48 am - 5:42 pmIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

10h 54m1 stop Atlanta Hartsfield-Jackson

$282Multiple Airlines

Recent last minute flight deals from Missouri to Dulles Intl

Mon, Nov 2 - Mon, Nov 9

4:26 pm - 10:21 amSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

16h 55m1 stop Orlando

11:16 am - 11:16 pmIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

13h 00m1 stop Orlando

$339Frontier

Sat, Oct 31 - Mon, Nov 2

4:26 pm - 11:21 amSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

17h 55m1 stop Orlando

7:40 am - 5:40 pmIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

11h 00m1 stop Atlanta Hartsfield-Jackson

$346Frontier

Tue, Nov 3 - Sun, Nov 8

8:00 am - 1:35 pmCOU Columbia Regional-IAD Washington, D.C. Dulles Intl

4h 35m1 stop Chicago O'Hare Intl

5:29 pm - 10:58 pmIAD Washington, D.C. Dulles Intl-COU Columbia Regional

6h 29m1 stop Chicago O'Hare Intl

$392United Airlines

Thu, Nov 5 - Tue, Nov 10

1:00 pm - 4:09 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

2h 09mnonstop

5:55 pm - 7:30 pmIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

2h 35mnonstop

$455United Airlines

Wed, Nov 4 - Tue, Nov 10

6:13 am - 6:47 pmCOU Columbia Regional-IAD Washington, D.C. Dulles Intl

11h 34m2 stops Chicago O'Hare Intl Charlotte Douglas

3:55 pm - 10:42 pmIAD Washington, D.C. Dulles Intl-COU Columbia Regional

7h 47m1 stop Charlotte Douglas

$472American Airlines

Sat, Oct 31 - Mon, Nov 9

6:00 am - 2:56 pmCOU Columbia Regional-IAD Washington, D.C. Dulles Intl

7h 56m2 stops Chicago O'Hare Intl Charlotte Douglas

5:15 pm - 10:42 pmIAD Washington, D.C. Dulles Intl-COU Columbia Regional

6h 27m1 stop Charlotte Douglas

$472American Airlines

Mon, Nov 2 - Wed, Nov 4

6:47 am - 11:34 amSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

3h 47m1 stop Detroit Metropolitan Wayne County

6:05 am - 9:49 amIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

4h 44m1 stop Detroit Metropolitan Wayne County

$475Delta

Sat, Oct 31 - Mon, Nov 2

12:00 pm - 5:10 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

4h 10m1 stop Atlanta Hartsfield-Jackson

5:13 pm - 8:51 pmIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

4h 38m1 stop Detroit Metropolitan Wayne County

$475Delta

Mon, Nov 2 - Tue, Nov 3

9:16 am - 8:11 pmMCI Kansas City-IAD Washington, D.C. Dulles Intl

9h 55m1 stop Fort Lauderdale

8:05 am - 7:47 pmIAD Washington, D.C. Dulles Intl-MCI Kansas City

36h 42m2 stops Atlanta Hartsfield-Jackson Denver Intl

$539Multiple Airlines

Sun, Nov 1 - Mon, Nov 30

3:07 pm - 4:55 pmSGF Springfield-Branson-IAD Washington, D.C. Dulles Intl

24h 48m1 stop Valparaiso Destin-Ft Walton Beach

10:47 pm - 10:57 amIAD Washington, D.C. Dulles Intl-SGF Springfield-Branson

37h 10m2 stops Atlanta Hartsfield-Jackson Orlando

$549Multiple Airlines

Recent direct flight deals from Missouri to Dulles Intl

Wed, Nov 25 - Wed, Dec 2

1:00 pm - 4:09 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

2h 09mnonstop

8:30 am - 10:03 amIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

2h 33mnonstop

$263United Airlines

Thu, Nov 19 - Mon, Nov 23

1:00 pm - 4:09 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

2h 09mnonstop

8:40 am - 10:12 amIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

2h 32mnonstop

$268United Airlines

Fri, Nov 20 - Sun, Nov 22

11:33 am - 3:00 pmMCI Kansas City-IAD Washington, D.C. Dulles Intl

2h 27mnonstop

12:35 pm - 2:37 pmIAD Washington, D.C. Dulles Intl-MCI Kansas City

3h 02mnonstop

$274United Airlines

Thu, Nov 19 - Mon, Nov 23

1:00 pm - 4:09 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

2h 09mnonstop

8:40 am - 10:12 amIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

2h 32mnonstop

$279United Airlines

Thu, Dec 3 - Thu, Dec 10

12:25 pm - 4:00 pmMCI Kansas City-IAD Washington, D.C. Dulles Intl

2h 35mnonstop

12:35 pm - 2:35 pmIAD Washington, D.C. Dulles Intl-MCI Kansas City

3h 00mnonstop

$288United Airlines

Sat, Nov 21 - Sun, Nov 22

8:00 am - 11:10 amSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

2h 10mnonstop

8:40 am - 10:12 amIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

2h 32mnonstop

$290United Airlines

Thu, Nov 19 - Sun, Nov 22

1:00 pm - 4:09 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

2h 09mnonstop

8:40 am - 10:12 amIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

2h 32mnonstop

$290United Airlines

Tue, Nov 17 - Sun, Nov 22

1:00 pm - 4:09 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

2h 09mnonstop

8:40 am - 10:12 amIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

2h 32mnonstop

$290United Airlines

Fri, Feb 5 - Mon, Feb 8

5:50 pm - 9:23 pmMCI Kansas City-IAD Washington, D.C. Dulles Intl

2h 33mnonstop

12:40 pm - 2:44 pmIAD Washington, D.C. Dulles Intl-MCI Kansas City

3h 04mnonstop

$294United Airlines

Thu, Jan 21 - Wed, Jan 27

8:30 am - 11:37 amSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

2h 07mnonstop

5:55 pm - 7:27 pmIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

2h 32mnonstop

$297United Airlines

Useful Info

Low season	January
High season	December
Cheapest flight	$67

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

Most popular time to fly and prices are also 6% lower on average.

Flight from St. Louis to Washington Dulles Airport

How does KAYAK find such low prices on flights from Missouri to Washington Dulles Airport?
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 Dulles Airport.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Washington Dulles Airport?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport 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 Dulles Airport?
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 Dulles Airport 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 Dulles Airport?
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 Dulles Airport from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Winchester

Linthicum Heights

Hanover

Springfield

Gaithersburg

Towson

Martinsburg

Owings Mills

Oxon Hill

Charles Town

Greenbelt

Glen Burnie

Edgewood

Camp Springs

Chesapeake Beach

Ellicott City

Pikesville

Hunt Valley

Capitol Heights

Lutherville Timonium

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IAD

$67 Find Cheap Flights from Missouri to Washington Dulles Airport - Compare and Save

Cheap Flights from Missouri to Dulles Intl

Recent round-trip flight deals from Missouri to Dulles Intl

Recent one-way flight deals from Missouri to Dulles Intl

Recent last minute flight deals from Missouri to Dulles Intl

Recent direct flight deals from Missouri to Dulles Intl

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FAQs for booking Missouri to Washington Dulles Airport flights

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