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Dulles Intl

$268+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
COU — IAD
Jun 25 — Jul 21
Thu 6/25
Thu 7/2
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 May 26, 2026.

This United Airlines deal was found by Cheapflights users on 5/25. 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 7/88:00 am
COU
-
IAD
1 stop5h 12m
United Airlines
Wed 7/156:10 am
IAD
-
COU
1 stop5h 03m
United Airlines
Deal found 5/25$308
This United Airlines deal was found by Cheapflights users on 5/22. 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 6/610:48 am
COU
-
IAD
1 stop7h 14m
United Airlines
Wed 6/106:10 am
IAD
-
COU
1 stop5h 03m
United Airlines
Deal found 5/22$328
This American Airlines deal was found by Cheapflights users on 5/24. 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 6/97:16 am
COU
-
IAD
1 stop4h 20m
American Airlines
Sat 6/139:20 am
IAD
-
COU
2 stops13h 04m
American Airlines
Deal found 5/24$334
This United Airlines deal was found by Cheapflights users on 5/26. 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 9/116:15 am
COU
-
IAD
1 stop4h 33m
United Airlines
Sun 9/136:13 am
IAD
-
COU
1 stop5h 26m
United Airlines
Deal found 5/26$344
This United Airlines deal was found by Cheapflights users on 5/22. 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 6/2610:49 am
COU
-
IAD
1 stop7h 13m
United Airlines
Mon 7/66:10 am
IAD
-
COU
1 stop5h 03m
United Airlines
Deal found 5/22$377
This United Airlines deal was found by Cheapflights users on 5/25. 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 8/228:00 am
COU
-
IAD
1 stop4h 55m
United Airlines
Wed 8/265:15 pm
IAD
-
COU
1 stop7h 20m
United Airlines
Deal found 5/25$388
This United Airlines deal was found by Cheapflights users on 5/24. 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 6/93:25 pm
COU
-
IAD
1 stop4h 57m
United Airlines
Sat 6/135:43 pm
IAD
-
COU
1 stop6h 50m
United Airlines
Deal found 5/24$414
This United Airlines deal was found by Cheapflights users on 5/23. 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 7/88:00 am
COU
-
IAD
1 stop5h 12m
United Airlines
Sun 7/126:10 am
IAD
-
COU
1 stop5h 03m
United Airlines
Deal found 5/23$428
This United Airlines deal was found by Cheapflights users on 5/25. 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 6/1110:48 am
COU
-
IAD
1 stop4h 42m
United Airlines
Sat 6/135:43 pm
IAD
-
COU
1 stop6h 50m
United Airlines
Deal found 5/25$440
This United Airlines deal was found by Cheapflights users on 5/25. 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 6/2410:48 am
COU
-
IAD
1 stop7h 14m
United Airlines
Wed 7/110:20 pm
IAD
-
COU
1 stop12h 53m
United Airlines
Deal found 5/25$471
This United Airlines deal was found by Cheapflights users on 5/23. 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 7/88:00 am
COU
-
IAD
2 stops12h 18m
United Airlines
Sat 7/116:10 am
IAD
-
COU
1 stop5h 03m
United Airlines
Deal found 5/23$472

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 May 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$308
(United Airlines)

One-way from

$268
(American Airlines)
Provider with most accurate pricing for Columbia Regional-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Columbia Regional-Washington, D.C. Dulles Intl flights.
Search Deals
From Columbia Regional to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Columbia Regional to Washington, D.C. Dulles Intl
Search Deals

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 May 26, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Tue 10/20

3:16 pm-9:11 pm

1 stop4h 55m

Washington, D.C. Dulles Intl

Sat 10/24

5:20 pm-10:55 pm

1 stop6h 35m

$308

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Sat 6/6

10:48 am-7:02 pm

1 stop7h 14m

Washington, D.C. Dulles Intl

Wed 6/10

6:10 am-10:13 am

1 stop5h 03m

$328

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Tue 6/9

7:16 am-12:36 pm

1 stop4h 20m

Washington, D.C. Dulles Intl

Sat 6/13

9:20 am-9:24 pm

2 stops13h 04m

$334

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Sat 8/22

8:00 am-4:01 pm

1 stop7h 01m

Washington, D.C. Dulles Intl

Wed 8/26

8:20 am-2:30 pm

1 stop7h 10m

$388

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Tue 6/9

3:25 pm-9:22 pm

1 stop4h 57m

Washington, D.C. Dulles Intl

Sat 6/13

5:43 pm-11:33 pm

1 stop6h 50m

$414

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Fri 7/3

8:00 am-2:12 pm

1 stop5h 12m

Washington, D.C. Dulles Intl

Fri 7/3

5:30 pm-2:50 pm

2 stops22h 20m

$472

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Fri 6/5

10:48 am-7:02 pm

1 stop7h 14m

Washington, D.C. Dulles Intl

Sun 6/7

6:10 am-10:13 am

1 stop5h 03m

$524

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Fri 6/5

10:48 am-7:02 pm

1 stop7h 14m

Washington, D.C. Dulles Intl

Mon 6/8

6:10 am-10:13 am

1 stop5h 03m

$524
Cheapest one-way
Quickest one-way

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Sun 8/9

7:10 am-12:52 pm

1 stop4h 42m

$268

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Sun 8/9

8:00 am-7:34 am

2 stops22h 34m

$467

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/25

Sorted by cheapest first

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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*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 FlightHub the most. FlightHub 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 and American Airlines can get you from Columbia, Missouri to Washington, D.C. Dulles Intl Airport in just under 4h 20m. Your travel time can differ by up to 35m. Columbia, Missouri and Washington, D.C. Dulles Intl Airport are separated by a distance of 793 mi. This flight may include one or multiple stops.

  • 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
Tysons
Owings Mills
Springfield
Arlington
Reston
Herndon
Fredericksburg
Rockville
Hyattsville
Manassas
Hanover
Chantilly
Laurel
Falls Church
Waldorf
Silver Spring
Largo
Clinton
Hunt Valley

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