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.

$61 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

Wed, Oct 21 - Sun, Oct 25

6:35 pm - 12:21 amSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

4h 46m1 stop Atlanta Hartsfield-Jackson

11:12 am - 11:13 pmIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

13h 01m1 stop Orlando

$185Frontier

Mon, Dec 7 - Thu, Dec 17

6:05 pm - 11:23 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

4h 18m1 stop Detroit Metropolitan Wayne County

6:00 am - 9:23 amIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

4h 23m1 stop Detroit Metropolitan Wayne County

$237Delta

Thu, Oct 29 - Sat, Oct 31

5:00 am - 11:52 amSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

5h 52m1 stop Chicago O'Hare Intl

8:23 am - 12:12 pmIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

4h 49m1 stop Chicago O'Hare Intl

$237United Airlines

Mon, Oct 5 - Wed, Oct 7

3:11 pm - 9:11 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

5h 00m1 stop Chicago O'Hare Intl

8:20 am - 12:13 pmIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

4h 53m1 stop Chicago O'Hare Intl

$237United Airlines

Thu, Dec 10 - Sat, Dec 12

6:00 am - 11:39 amSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

4h 39m1 stop Atlanta Hartsfield-Jackson

6:00 am - 9:23 amIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

4h 23m1 stop Detroit Metropolitan Wayne County

$237Delta

Fri, Oct 2 - Wed, Oct 7

5:19 pm - 12:10 amSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

29h 51m2 stops Orlando Atlanta Hartsfield-Jackson

7:50 am - 1:10 pmIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

6h 20m1 stop Atlanta Hartsfield-Jackson

$238Frontier

Sat, Oct 17 - Sat, Oct 24

5:00 am - 12:51 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

6h 51m1 stop Charlotte Douglas

5:01 am - 8:37 amIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

4h 36m1 stop Charlotte Douglas

$275American Airlines

Thu, Nov 19 - Thu, Dec 3

6:43 am - 12:53 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

5h 10m1 stop Charlotte Douglas

8:07 pm - 11:58 pmIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

4h 51m1 stop Charlotte Douglas

$275American Airlines

Fri, Nov 20 - Mon, Nov 30

6:35 pm - 3:03 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

19h 28m1 stop Atlanta Hartsfield-Jackson

6:36 pm - 12:41 amIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

31h 05m2 stops Blountville Tri Cities TN/VA Orlando

$286Multiple Airlines

Fri, Nov 20 - Mon, Nov 30

6:35 pm - 3:03 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

19h 28m1 stop Atlanta Hartsfield-Jackson

6:36 pm - 12:41 amIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

31h 05m2 stops Blountville Tri Cities TN/VA Orlando

$292Multiple Airlines

Recent last minute flight deals from Missouri to Dulles Intl

Wed, Sep 16 - Wed, Sep 23

2:29 pm - 12:10 amSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

8h 41m1 stop Atlanta Hartsfield-Jackson

7:50 am - 1:10 pmIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

6h 20m1 stop Atlanta Hartsfield-Jackson

$261Frontier

Wed, Sep 16 - Fri, Sep 18

2:29 pm - 12:10 amSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

8h 41m1 stop Atlanta Hartsfield-Jackson

10:27 am - 4:34 pmIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

7h 07m1 stop Orlando

$300Frontier

Fri, Sep 18 - Sun, Sep 27

5:19 pm - 10:17 amSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

15h 58m1 stop Orlando

6:00 am - 11:17 amIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

30h 17m1 stop Las Vegas Harry Reid Intl

$310Frontier

Fri, Sep 18 - Mon, Sep 21

5:35 pm - 10:51 pmSGF Springfield-Branson-IAD Washington, D.C. Dulles Intl

4h 16m1 stop Charlotte Douglas

7:57 am - 12:03 pmIAD Washington, D.C. Dulles Intl-SGF Springfield-Branson

5h 06m1 stop Charlotte Douglas

$409American Airlines

Fri, Sep 18 - Mon, Sep 21

5:35 pm - 10:51 pmSGF Springfield-Branson-IAD Washington, D.C. Dulles Intl

4h 16m1 stop Charlotte Douglas

10:25 am - 5:04 pmIAD Washington, D.C. Dulles Intl-SGF Springfield-Branson

7h 39m1 stop Charlotte Douglas

$424American Airlines

Thu, Sep 17 - Mon, Sep 21

6:08 am - 11:30 amSGF Springfield-Branson-IAD Washington, D.C. Dulles Intl

4h 22m1 stop Atlanta Hartsfield-Jackson

5:12 pm - 10:08 pmIAD Washington, D.C. Dulles Intl-SGF Springfield-Branson

5h 56m1 stop Atlanta Hartsfield-Jackson

$429Delta

Fri, Sep 18 - Mon, Sep 21

5:35 pm - 10:51 pmSGF Springfield-Branson-IAD Washington, D.C. Dulles Intl

4h 16m1 stop Charlotte Douglas

12:30 pm - 5:04 pmIAD Washington, D.C. Dulles Intl-SGF Springfield-Branson

5h 34m1 stop Charlotte Douglas

$429American Airlines

Thu, Sep 17 - Sat, Sep 19

6:37 pm - 12:44 amSGF Springfield-Branson-IAD Washington, D.C. Dulles Intl

5h 07m1 stop Chicago O'Hare Intl

1:10 pm - 6:02 pmIAD Washington, D.C. Dulles Intl-SGF Springfield-Branson

5h 52m1 stop Chicago O'Hare Intl

$452United Airlines

Wed, Sep 16 - Wed, Sep 23

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

2h 14mnonstop

5:15 pm - 9:38 pmIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

5h 23m1 stop Chicago O'Hare Intl

$495United Airlines

Tue, Sep 15 - Wed, Sep 16

5:59 pm - 11:14 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

4h 15m1 stop Detroit Metropolitan Wayne County

8:08 am - 1:23 pmIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

6h 15m1 stop Atlanta Hartsfield-Jackson

$525Delta

Recent direct flight deals from Missouri to Dulles Intl

Mon, Nov 9 - Sat, Nov 14

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

$255United Airlines

Tue, Oct 6 - Sat, Oct 10

8:30 am - 11:46 amSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

2h 16mnonstop

5:55 pm - 7:21 pmIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

2h 26mnonstop

$277United Airlines

Mon, Nov 23 - Tue, Dec 1

5:50 pm - 9:25 pmMCI Kansas City-IAD Washington, D.C. Dulles Intl

2h 35mnonstop

1:05 pm - 2:50 pmIAD Washington, D.C. Dulles Intl-MCI Kansas City

2h 45mnonstop

$285United Airlines

Thu, Oct 8 - Mon, Oct 12

11:50 am - 3:19 pmMCI Kansas City-IAD Washington, D.C. Dulles Intl

2h 29mnonstop

5:58 pm - 7:46 pmIAD Washington, D.C. Dulles Intl-MCI Kansas City

2h 48mnonstop

$285United Airlines

Fri, Oct 9 - Mon, Oct 12

11:50 am - 3:19 pmMCI Kansas City-IAD Washington, D.C. Dulles Intl

2h 29mnonstop

5:58 pm - 7:46 pmIAD Washington, D.C. Dulles Intl-MCI Kansas City

2h 48mnonstop

$285United Airlines

Wed, Nov 11 - Sat, Nov 14

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

$297United Airlines

Mon, Nov 9 - Sat, Nov 14

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

$297United Airlines

Tue, Nov 10 - Sat, Nov 14

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

$297United Airlines

Thu, Oct 1 - Sun, Oct 4

1:09 pm - 4:25 pmSTL Lambert-St Louis-IAD Washington, D.C. Dulles Intl

2h 16mnonstop

8:20 am - 9:41 amIAD Washington, D.C. Dulles Intl-STL Lambert-St Louis

2h 21mnonstop

$302United Airlines

Wed, Nov 25 - Wed, Dec 2

5:50 pm - 9:25 pmMCI Kansas City-IAD Washington, D.C. Dulles Intl

2h 35mnonstop

1:05 pm - 2:50 pmIAD Washington, D.C. Dulles Intl-MCI Kansas City

2h 45mnonstop

$315United Airlines

Useful Info

Low season	January
High season	October
Cheapest flight	$61

Best time to beat the crowds with an average 4% drop in price.

Most popular time to fly and prices are also 12% 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

Oxon Hill

Owings Mills

Charles Town

Greenbelt

Glen Burnie

Edgewood

Chesapeake Beach

Camp Springs

Ellicott City

Pikesville

Hunt Valley

Colonial Beach

Capitol Heights

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IAD

$61 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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