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Dulles Intl

$233+ Cheap flights from Columbia, MO (COU) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
COU — IAD
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Columbia to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Columbia (COU) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 16, 2025.

Round-trip from

$248
(United Airlines)

One-way from

$233
(United Airlines)
From Columbia Regional to Washington, D.C. Dulles Intl
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One-way flight from Columbia Regional to Washington, D.C. Dulles Intl
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Find flight deals from Columbia to Dulles Intl

Cheapest flights from Columbia to Dulles Intl
Explore the most affordable flight options available from Columbia to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/308:00 amCOU - IAD
1 stop4h 51mUnited Airlines
Sat 10/48:20 amIAD - COU
1 stop6h 57mUnited Airlines
Deal found 9/15$248
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/88:00 amCOU - IAD
1 stop6h 57mUnited Airlines
Wed 10/155:15 pmIAD - COU
1 stop5h 12mUnited Airlines
Deal found 9/15$252
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/238:00 amCOU - IAD
1 stop6h 57mUnited Airlines
Sat 10/255:15 pmIAD - COU
1 stop5h 12mUnited Airlines
Deal found 9/15$308
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:01 amCOU - IAD
2 stops6h 47mAmerican Airlines
Wed 10/158:09 amIAD - COU
2 stops12h 10mAmerican Airlines
Deal found 9/15$446
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/138:00 amCOU - IAD
2 stops22h 14mUnited Airlines
Tue 12/161:10 pmIAD - COU
1 stop5h 30mUnited Airlines
Deal found 9/14$455
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2311:37 amCOU - IAD
2 stops11h 16mAmerican Airlines
Sat 10/258:25 pmIAD - COU
2 stops15h 42mAmerican Airlines
Deal found 9/15$498
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/103:02 pmCOU - IAD
1 stop5h 21mUnited Airlines
Wed 11/1212:40 pmIAD - COU
1 stop9h 11mUnited Airlines
Deal found 9/14$542
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/33:02 pmCOU - IAD
1 stop5h 21mUnited Airlines
Thu 11/68:30 amIAD - COU
1 stop6h 56mUnited Airlines
Deal found 9/15$617

Cheapflights Fare Finder

 
Customize your flight search to find flights from Columbia to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Columbia to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Columbia

Fly to

Dulles Intl

Route

Depart

Return

Price

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Tue 9/30

8:00 am-1:51 pm

1 stop4h 51m

Washington, D.C. Dulles Intl

Sat 10/4

8:20 am-2:17 pm

1 stop6h 57m

$248

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Wed 10/8

8:00 am-3:57 pm

1 stop6h 57m

Washington, D.C. Dulles Intl

Wed 10/15

5:15 pm-9:27 pm

1 stop5h 12m

$252

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Sat 12/13

8:00 am-4:00 pm

1 stop7h 00m

Washington, D.C. Dulles Intl

Tue 12/16

8:20 am-2:26 pm

1 stop7h 06m

$308

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Thu 10/23

8:00 am-1:51 pm

1 stop4h 51m

Washington, D.C. Dulles Intl

Sat 10/25

5:15 pm-9:27 pm

1 stop5h 12m

$308

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Wed 10/8

6:01 am-1:48 pm

2 stops6h 47m

Washington, D.C. Dulles Intl

Wed 10/15

8:09 am-7:19 pm

2 stops12h 10m

$446

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Fri 10/24

8:00 am-3:57 pm

1 stop6h 57m

$233

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Best time to book a flight from Columbia to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Columbia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Columbia to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Columbia to Washington, D.C. Dulles Intl?

    If you book a flight to Washington, D.C. Dulles Intl from Columbia, you will be flying from Columbia Regional, which is the city’s only airport. Columbia Regional (COU) is located 11.1 mi from the center of Columbia. There are 0 flights from Columbia Regional to Washington, D.C. Dulles Intl per day from 0 different airlines.

  • How long is the flight from Columbia, Missouri to Washington, D.C. Dulles Intl Airport?

    United Airlines can get you from Columbia, Missouri to Washington, D.C. Dulles Intl Airport in just under 4h 51m. Your travel time can differ by up to . Columbia, Missouri and Washington, D.C. Dulles Intl Airport are separated by a distance of 793 mi.

  • Can I find deals for flights from Columbia to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Columbia to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Columbia to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Columbia to Dulles Intl.

  • Can I find deals for business class flights from Columbia to Dulles Intl?

    Yes. Cheapflights offers flight deals from Columbia to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Columbia, Missouri to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Columbia, Missouri to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Columbia, Missouri to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
National Harbor
Dundalk

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