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 40m. 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.

What is the cheapest airline to fly from Columbia, Missouri to Washington, D.C. Dulles Intl Airport round-trip?

Flying on United Airlines is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $212.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What is the cheapest time of day to fly from COU to IAD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Columbia, Missouri to Washington, D.C. Dulles Intl Airport as you normally would.

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.

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 1 airline.

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.

$268+ Cheap Flights from Columbia, MO to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Columbia to Dulles Intl

Cheapest

Best

Last-minute

One-way

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 August 31, 2026.

Sat 9/266:15 am -

1 stop6h 44m

Sun 10/46:10 am -

1 stop5h 29m

Deal found 8/31

$308

Wed 11/188:12 am -

1 stop7h 31m

Sun 11/229:33 am -

2 stops12h 56m

Deal found 8/27

$314

Thu 9/176:15 am -

1 stop6h 40m

Tue 9/226:15 am -

1 stop5h 24m

Deal found 8/29

$323

Fri 9/116:15 am -

1 stop6h 40m

Tue 9/156:15 am -

1 stop5h 24m

Deal found 8/27

$338

Thu 9/246:15 am -

1 stop4h 40m

Thu 10/16:10 am -

1 stop5h 29m

Deal found 8/26

$350

Mon 9/286:15 am -

1 stop4h 40m

Mon 10/56:10 am -

1 stop5h 29m

Deal found 8/31

$352

Thu 10/153:19 pm -

1 stop6h 33m

Sun 10/186:10 am -

1 stop5h 29m

Deal found 8/29

$353

Sat 9/53:12 pm -

1 stop5h 08m

Thu 9/106:13 am -

1 stop5h 26m

Deal found 8/27

$368

Thu 9/176:15 am -

1 stop6h 40m

Mon 9/215:15 pm -

1 stop6h 40m

Deal found 8/26

$388

Best flights from Columbia to Dulles Intl
Discover carefully curated flight deals from Columbia to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 31, 2026.

Thu 9/176:15 am -

1 stop6h 40m

Tue 9/226:15 am -

1 stop5h 24m

Deal found 8/29

$323

Tue 9/156:15 am -

1 stop6h 40m

Sat 9/1910:41 am -

1 stop4h 49m

Deal found 8/31

$338

Thu 10/153:19 pm -

1 stop6h 33m

Sun 10/186:10 am -

1 stop5h 29m

Deal found 8/29

$353

Wed 10/288:00 am -

1 stop4h 35m

Sun 11/110:15 am -

1 stop5h 03m

Deal found 8/27

$353

Sat 10/36:15 am -

1 stop6h 44m

Tue 10/610:30 am -

1 stop5h 08m

Deal found 8/27

$388

Sat 11/78:00 am -

1 stop7h 33m

Tue 11/108:23 am -

1 stop6h 55m

Deal found 8/27

$388

Fri 9/186:15 am -

1 stop4h 33m

Wed 9/236:15 am -

1 stop5h 24m

Deal found 8/26

$388

Wed 10/146:15 am -

1 stop6h 44m

Sat 10/176:10 am -

1 stop5h 29m

Deal found 8/28

$388

Last-minute flights from Columbia to Dulles Intl
Discover last-minute flight deals from Columbia to Dulles Intl. Data last updated August 31, 2026 and is based on user searches.

Sat 9/53:12 pm -

1 stop5h 08m

Thu 9/106:13 am -

1 stop5h 26m

Deal found 8/27

$368

Fri 9/116:15 am -

1 stop6h 40m

Tue 9/156:15 am -

1 stop5h 24m

Deal found 8/27

$338

Thu 9/176:15 am -

1 stop6h 40m

Tue 9/226:15 am -

1 stop5h 24m

Deal found 8/29

$323

Thu 9/176:15 am -

1 stop6h 40m

Mon 9/215:15 pm -

1 stop6h 40m

Deal found 8/26

$388

Sat 9/195:44 am -

2 stops10h 47m

Tue 9/226:15 pm -

1 stop4h 53m

Deal found 8/26

$394

Sat 9/195:44 am -

2 stops10h 47m

Sat 9/2610:25 am -

2 stops8h 37m

Deal found 8/26

$399

Sat 9/195:44 am -

2 stops10h 47m

Fri 9/256:15 pm -

1 stop4h 53m

Deal found 8/26

$454

Thu 9/246:15 am -

1 stop4h 40m

Thu 10/16:10 am -

1 stop5h 29m

Deal found 8/26

$350

Sat 9/266:15 am -

1 stop6h 44m

Sun 10/46:10 am -

1 stop5h 29m

Deal found 8/31

$308

Mon 9/286:15 am -

1 stop4h 40m

Mon 10/56:10 am -

1 stop5h 29m

Deal found 8/31

$352

Find flight deals from Columbia to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$308 (United Airlines)
One-way from	$268 (United Airlines)
Popular in	March
Cheapest in	January
Average price	$308

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

Highest demand for flights based on searches. 22% potential increase in price ($136 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 9% potential price decrease ($41 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Cheapflights Fare Finder

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

ColumbiaWashington, D.C.

COU Columbia Regional - IAD Washington, D.C. Dulles Intl

COUIAD

Columbia Regional

Thu 9/17

6:15 am-1:55 pm

1 stop6h 40m

Washington, D.C. Dulles Intl

Tue 9/22

6:15 am-10:39 am

1 stop5h 24m

$323

ColumbiaWashington, D.C.

COU Columbia Regional - IAD Washington, D.C. Dulles Intl

COUIAD

Columbia Regional

Tue 9/15

6:15 am-1:55 pm

1 stop6h 40m

Washington, D.C. Dulles Intl

Sat 9/19

10:41 am-2:30 pm

1 stop4h 49m

$338

ColumbiaWashington, D.C.

COU Columbia Regional - IAD Washington, D.C. Dulles Intl

COUIAD

Columbia Regional

Thu 10/15

3:19 pm-10:52 pm

1 stop6h 33m

Washington, D.C. Dulles Intl

Sun 10/18

6:10 am-10:39 am

1 stop5h 29m

$353

Quickest round-trip

ColumbiaWashington, D.C.

COU Columbia Regional - IAD Washington, D.C. Dulles Intl

COUIAD

Columbia Regional

Wed 10/28

8:00 am-1:35 pm

1 stop4h 35m

Washington, D.C. Dulles Intl

Sun 11/1

10:15 am-2:18 pm

1 stop5h 03m

$353

ColumbiaWashington, D.C.

COU Columbia Regional - IAD Washington, D.C. Dulles Intl

COUIAD

Columbia Regional

Sat 10/3

6:15 am-1:59 pm

1 stop6h 44m

Washington, D.C. Dulles Intl

Tue 10/6

10:30 am-2:38 pm

1 stop5h 08m

$388

ColumbiaWashington, D.C.

COU Columbia Regional - IAD Washington, D.C. Dulles Intl

COUIAD

Columbia Regional

Sat 11/7

8:00 am-4:33 pm

1 stop7h 33m

Washington, D.C. Dulles Intl

Tue 11/10

8:23 am-2:18 pm

1 stop6h 55m

$388

ColumbiaWashington, D.C.

COU Columbia Regional - IAD Washington, D.C. Dulles Intl

COUIAD

Columbia Regional

Fri 9/18

6:15 am-11:48 am

1 stop4h 33m

Washington, D.C. Dulles Intl

Wed 9/23

6:15 am-10:39 am

1 stop5h 24m

$388

ColumbiaWashington, D.C.

COU Columbia Regional - IAD Washington, D.C. Dulles Intl

COUIAD

Columbia Regional

Wed 10/14

6:15 am-1:59 pm

1 stop6h 44m

Washington, D.C. Dulles Intl

Sat 10/17

6:10 am-10:39 am

1 stop5h 29m

$388

Cheapest one-way

Quickest one-way

ColumbiaWashington, D.C.

COU Columbia Regional - IAD Washington, D.C. Dulles Intl

COUIAD

Columbia Regional

Sat 9/26

6:15 am-1:59 pm

1 stop6h 44m

$268

ColumbiaWashington, D.C.

COU Columbia Regional - IAD Washington, D.C. Dulles Intl

COUIAD

Columbia Regional

Sat 9/26

10:38 am-9:30 pm

2 stops9h 52m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/28

Showing 1-10 of 11 resultsSorted by cheapest first

Compare providers for flights from Columbia to Dulles Intl

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 August.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust 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.

COU-IAD

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

See what other customers who have flown with United 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.

United Airlines

7.4

Good

10,146 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

United Airlines

7.4

Good

10,146 reviews

United Airlines

7.4

Good

10,146 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

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 1 airline.
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 40m. 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.
What is the cheapest airline to fly from Columbia, Missouri to Washington, D.C. Dulles Intl Airport round-trip?
Flying on United Airlines is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $212.
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

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Top airline flying from Columbia to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$212	Average$353	FlexibilityNo cancel fee	On-time69%

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$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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Columbia to Dulles Intl with Cheapflights

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Cheap flight deals from Columbia to Dulles Intl

Cheapest flights from Columbia to Dulles IntlExplore 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 August 31, 2026.

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 August 31, 2026.

Best flights from Columbia to Dulles IntlDiscover carefully curated flight deals from Columbia to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 31, 2026.

Discover carefully curated flight deals from Columbia to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 31, 2026.

Last-minute flights from Columbia to Dulles IntlDiscover last-minute flight deals from Columbia to Dulles Intl. Data last updated August 31, 2026 and is based on user searches.

Discover last-minute flight deals from Columbia to Dulles Intl. Data last updated August 31, 2026 and is based on user searches.

One-way flights from Columbia to Dulles IntlSearch for one-way flight options from Columbia to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.

Search for one-way flight options from Columbia to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.

Find flight deals from Columbia to Dulles Intl

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Most trusted provider

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Popular in

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Use the filters below to find and compare flights from Columbia to Washington, D.C. Dulles Intl Airport that are best for you.

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 August.

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.

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with United 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.

Related info for your journey

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

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

What is the cheapest airline to fly from Columbia, Missouri to Washington, D.C. Dulles Intl Airport round-trip?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Columbia to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Dulles Intl by adding a car rental and/or hotel reservation to your travel itinerary.

Other flights to Dulles Intl

Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 31, 2026.

Search flights from Columbia to Dulles Intl by cabin class

Find flights from Columbia to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Columbia and Dulles Intl flights

Browse other Columbia and Dulles Intl flight options. Last updated on August 31, 2026.

Other flights from Columbia

Browse through other flights departing from Columbia. Flights are based on user searches made on Cheapflights and were last updated on August 31, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top airline flying from Columbia to Dulles Intl

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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 August 31, 2026.

Best flights from Columbia to Dulles Intl
Discover carefully curated flight deals from Columbia to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 31, 2026.

Last-minute flights from Columbia to Dulles Intl
Discover last-minute flight deals from Columbia to Dulles Intl. Data last updated August 31, 2026 and is based on user searches.

One-way flights from Columbia to Dulles Intl
Search for one-way flight options from Columbia to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.