HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$248+ Cheap flights from Columbia, MO (COU) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
COU — IAD
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Columbia to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$248
(United 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

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 October 16, 2025.

This United Airlines deal was found by Cheapflights users on 10/16. 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 10/318:00 amCOU - IAD
1 stop6h 55mUnited Airlines
Tue 11/45:15 pmIAD - COU
1 stop5h 04mUnited Airlines
Deal found 10/16$248
This United Airlines deal was found by Cheapflights users on 10/16. 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 11/183:02 pmCOU - IAD
1 stop5h 21mUnited Airlines
Sat 11/228:30 amIAD - COU
1 stop6h 56mUnited Airlines
Deal found 10/16$254
This United Airlines deal was found by Cheapflights users on 10/16. 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 11/208:00 amCOU - IAD
1 stop6h 55mUnited Airlines
Sat 11/228:30 amIAD - COU
1 stop6h 56mUnited Airlines
Deal found 10/16$303
This United Airlines deal was found by Cheapflights users on 10/14. 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 12/133:05 pmCOU - IAD
1 stop5h 13mUnited Airlines
Tue 12/165:15 pmIAD - COU
1 stop5h 07mUnited Airlines
Deal found 10/14$308
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Fri 10/178:00 amCOU - IAD
1 stop6h 57mUnited Airlines
Mon 10/208:20 amIAD - COU
1 stop6h 57mUnited Airlines
Deal found 10/15$328
This United Airlines deal was found by Cheapflights users on 10/15. 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 10/15$368
This United Airlines deal was found by Cheapflights users on 10/15. 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 10/308:00 amCOU - IAD
1 stop6h 55mUnited Airlines
Mon 11/38:30 amIAD - COU
1 stop6h 56mUnited Airlines
Deal found 10/15$389
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Sat 11/13:02 pmCOU - IAD
2 stops16h 25mUnited Airlines
Tue 11/45:15 pmIAD - COU
1 stop5h 04mUnited Airlines
Deal found 10/15$417
This American Airlines deal was found by Cheapflights users on 10/16. 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 11/184:30 pmCOU - IAD
2 stops20h 05mAmerican Airlines
Sat 11/226:44 amIAD - COU
2 stops12h 52mAmerican Airlines
Deal found 10/16$431

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 October 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

Fri 10/31

8:00 am-3:55 pm

1 stop6h 55m

Washington, D.C. Dulles Intl

Tue 11/4

5:15 pm-9:19 pm

1 stop5h 04m

$248

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Thu 11/20

8:00 am-3:55 pm

1 stop6h 55m

Washington, D.C. Dulles Intl

Sat 11/22

8:30 am-2:26 pm

1 stop6h 56m

$303

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Sat 12/13

3:05 pm-9:18 pm

1 stop5h 13m

Washington, D.C. Dulles Intl

Tue 12/16

5:15 pm-9:22 pm

1 stop5h 07m

$308

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Tue 11/18

3:02 pm-7:27 am

2 stops15h 25m

Washington, D.C. Dulles Intl

Sat 11/22

8:30 am-2:26 pm

1 stop6h 56m

$387

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Thu 10/30

8:00 am-3:55 pm

1 stop6h 55m

Washington, D.C. Dulles Intl

Mon 11/3

8:30 am-2:26 pm

1 stop6h 56m

$389

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Sat 11/1

3:02 pm-8:27 am

2 stops16h 25m

Washington, D.C. Dulles Intl

Tue 11/4

5:15 pm-9:19 pm

1 stop5h 04m

$417

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Tue 11/18

4:30 pm-1:35 pm

2 stops20h 05m

Washington, D.C. Dulles Intl

Sat 11/22

6:44 am-6:36 pm

2 stops12h 52m

$431

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/16

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 can get you from Columbia, Missouri to Washington, D.C. Dulles Intl Airport in just under 6h 55m. 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
Arlington
Tysons
Springfield
Silver Spring
Hanover
Gaithersburg
Fredericksburg
Fairfax
Linthicum Heights
Falls Church
Owings Mills
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.