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Dulles Intl

$243+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
COU — IAD
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap 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 January 21, 2026.

This United Airlines deal was found by Cheapflights users on 1/20. 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 2/113:10 pm
COU
-
IAD
1 stop5h 07m
United Airlines
Sat 2/148:15 am
IAD
-
COU
1 stop7h 13m
United Airlines
Deal found 1/20$258
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Fri 2/611:17 am
COU
-
IAD
1 stop5h 18m
United Airlines
Mon 2/95:17 pm
IAD
-
COU
1 stop5h 20m
United Airlines
Deal found 1/20$268
This United Airlines deal was found by Cheapflights users on 1/19. 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 2/411:17 am
COU
-
IAD
1 stop5h 18m
United Airlines
Sun 2/88:20 am
IAD
-
COU
1 stop7h 15m
United Airlines
Deal found 1/19$323
This United Airlines deal was found by Cheapflights users on 1/20. 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 2/1711:15 am
COU
-
IAD
1 stop5h 15m
United Airlines
Sat 2/218:15 am
IAD
-
COU
1 stop7h 13m
United Airlines
Deal found 1/20$328
This United Airlines deal was found by Cheapflights users on 1/19. 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 4/1111:30 am
COU
-
IAD
1 stop6h 53m
United Airlines
Sat 4/1110:13 pm
IAD
-
COU
2 stops13h 42m
United Airlines
Deal found 1/19$334
This United Airlines deal was found by Cheapflights users on 1/20. 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 2/58:09 am
COU
-
IAD
1 stop6h 51m
United Airlines
Mon 2/95:17 pm
IAD
-
COU
1 stop5h 20m
United Airlines
Deal found 1/20$338
This American Airlines deal was found by Cheapflights users on 1/19. 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.
Tue 2/176:00 am
COU
-
IAD
2 stops13h 30m
American Airlines
Tue 2/245:00 am
IAD
-
COU
2 stops16h 26m
American Airlines
Deal found 1/19$409
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Sat 3/76:00 am
COU
-
IAD
2 stops13h 30m
American Airlines
Tue 3/105:00 am
IAD
-
COU
2 stops14h 00m
American Airlines
Deal found 1/20$423

Find 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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$258
(United Airlines)

One-way from

$243
(United Airlines)
Provider with most accurate pricing for Columbia Regional-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Columbia Regional-Washington, D.C. Dulles Intl flights.
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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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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 January 21, 2026.
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

Sun 2/15

11:15 am-5:30 pm

1 stop5h 15m

Washington, D.C. Dulles Intl

Sat 2/21

8:15 am-2:28 pm

1 stop7h 13m

$258

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Tue 2/17

8:00 am-4:05 pm

1 stop7h 05m

Washington, D.C. Dulles Intl

Tue 2/24

8:15 am-2:28 pm

1 stop7h 13m

$258

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Wed 2/11

3:10 pm-9:17 pm

1 stop5h 07m

Washington, D.C. Dulles Intl

Sat 2/14

8:15 am-2:28 pm

1 stop7h 13m

$258

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Fri 2/6

11:17 am-5:35 pm

1 stop5h 18m

Washington, D.C. Dulles Intl

Mon 2/9

5:17 pm-9:37 pm

1 stop5h 20m

$268

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Wed 2/4

11:17 am-5:35 pm

1 stop5h 18m

Washington, D.C. Dulles Intl

Sun 2/8

8:20 am-2:35 pm

1 stop7h 15m

$323

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Sun 3/1

11:15 am-5:30 pm

1 stop5h 15m

Washington, D.C. Dulles Intl

Tue 3/10

8:32 am-2:06 pm

1 stop6h 34m

$323

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Tue 2/17

8:00 am-4:05 pm

1 stop7h 05m

Washington, D.C. Dulles Intl

Sat 2/21

8:15 am-2:28 pm

1 stop7h 13m

$328

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Thu 2/5

8:09 am-4:00 pm

1 stop6h 51m

Washington, D.C. Dulles Intl

Mon 2/9

5:17 pm-9:37 pm

1 stop5h 20m

$338

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Tue 3/10

8:00 am-4:09 pm

1 stop7h 09m

$243

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Wed 3/11

11:15 am-5:30 pm

1 stop5h 15m

$243

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 13 results
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Compare providers for flights from Columbia to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Columbia to Dulles Intl in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Columbia, Missouri-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Columbia, Missouri-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Columbia, Missouri-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Columbia, Missouri-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Columbia, Missouri-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 5h 15m. 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.

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
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Hanover
Herndon
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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