Dulles Intl

$394+ 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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
COU — IAD
Jul 6 — Jul 131
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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 July 1, 2025.

Round-trip from

$394
(United Airlines)
From Columbia Regional to Washington, D.C. Dulles Intl

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 July 1, 2025.

This United Airlines deal was found by Cheapflights users on 6/29. 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
1 stop12h 20mUnited Airlines
Tue 12/165:15 pmIAD - COU
1 stop4h 55mUnited Airlines
Deal found 6/29$394
This American Airlines deal was found by Cheapflights users on 6/29. 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 12/131:34 pmCOU - IAD
2 stops9h 21mAmerican Airlines
Tue 12/165:00 amIAD - COU
2 stops9h 03mAmerican Airlines
Deal found 6/29$449

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 July 1, 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

Sat 12/13

8:00 am-9:20 pm

1 stop12h 20m

Washington, D.C. Dulles Intl

Tue 12/16

5:15 pm-9:10 pm

1 stop4h 55m

$394

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Sat 12/13

1:34 pm-11:55 pm

2 stops9h 21m

Washington, D.C. Dulles Intl

Tue 12/16

5:00 am-1:03 pm

2 stops9h 03m

$449

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Sun 7/20

12:35 pm-10:46 pm

1 stop9h 11m

$556

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated July 1, 2025.
See what other customers who have flown with United Airlines and American Airlines from Columbia to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.0

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Entertainment

7.0

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Entertainment

7.0

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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.

  • 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 $309). Flying from Columbia, Missouri to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). 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 Columbia?

Book flights to Columbia if you plan to visit one of these locations
Arlington
Woodbridge
Alexandria
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
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Fairfax
Easton
Towson
Falls Church
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