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Dulles Intl

$68+ Cheap flights from Columbus 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — IAD
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from Columbus to Washington, D.C. Dulles Intl are usually found in June or January, booked 63 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from Columbus to Dulles Intl

Cheapest flights from Columbus to Dulles Intl
Explore the most affordable flight options available from Columbus to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/17. 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 12/247:45 pmCMH - IAD
Nonstop1h 25mUnited Airlines
Thu 12/255:25 pmIAD - CMH
Nonstop1h 35mUnited Airlines
Deal found 12/17$249
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/317:45 pmCMH - IAD
Nonstop1h 25mUnited Airlines
Tue 1/612:45 pmIAD - CMH
Nonstop1h 32mUnited Airlines
Deal found 12/16$260
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/247:45 pmCMH - IAD
Nonstop1h 25mUnited Airlines
Fri 1/28:15 amIAD - CMH
Nonstop1h 34mUnited Airlines
Deal found 12/16$285
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:00 pmCMH - IAD
1 stop5h 38mDelta
Wed 12/316:00 amIAD - CMH
1 stop5h 15mDelta
Deal found 12/17$305
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/289:13 pmCMH - IAD
2 stops17h 57mMultiple Airlines
Mon 1/56:05 amIAD - CMH
1 stop12h 01mMultiple Airlines
Deal found 12/16$321
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:13 pmCMH - IAD
2 stops14h 25mFrontier
Mon 1/56:05 amIAD - CMH
1 stop12h 01mFrontier
Deal found 12/17$338
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/316:05 amCMH - IAD
Nonstop1h 30mUnited Airlines
Mon 1/58:15 amIAD - CMH
Nonstop1h 34mUnited Airlines
Deal found 12/17$345
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/3110:30 amCMH - IAD
Nonstop1h 24mUnited Airlines
Sat 1/38:15 amIAD - CMH
1 stop5h 15mUnited Airlines
Deal found 12/16$355
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/307:45 pmCMH - IAD
Nonstop1h 25mUnited Airlines
Tue 1/65:25 pmIAD - CMH
Nonstop1h 31mUnited Airlines
Deal found 12/16$356
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:02 pmCMH - IAD
1 stop15h 36mFrontier
Mon 1/56:05 amIAD - CMH
1 stop12h 01mFrontier
Deal found 12/16$357

Find flight deals from Columbus to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Columbus (C01) 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 December 18, 2025.

Round-trip from

$210
(Kiwi.com)

One-way from

$68
(Kiwi.com)

Popular in

October

Cheapest in

June

Average price

$303
From Columbus to Washington, D.C. Dulles Intl
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One-way flight from Columbus to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 13% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Columbus 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 December 18, 2025.
Use the filters below to find and compare flights from Columbus to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Columbus

Fly to

Dulles Intl

Route

Depart

Return

Price

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Sat 1/31

8:00 pm-9:25 pm

Nonstop1h 25m

Washington, D.C. Dulles Intl

Mon 2/2

5:35 pm-7:06 pm

Nonstop1h 31m

$212

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Tue 1/20

12:57 pm-7:09 pm

1 stop6h 12m

Washington, D.C. Dulles Intl

Sat 1/24

12:23 pm-5:29 pm

1 stop5h 06m

$220

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Wed 2/18

10:20 am-4:28 pm

1 stop6h 08m

Washington, D.C. Dulles Intl

Mon 3/2

12:23 pm-5:23 pm

1 stop5h 00m

$221

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Wed 2/4

8:15 am-11:52 am

1 stop3h 37m

Washington, D.C. Dulles Intl

Mon 2/9

5:26 pm-9:09 pm

1 stop3h 43m

$232

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Thu 2/12

7:05 am-11:41 am

1 stop4h 36m

Washington, D.C. Dulles Intl

Sat 2/14

12:23 pm-5:23 pm

1 stop5h 00m

$232

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Thu 2/12

6:00 am-7:31 am

Nonstop1h 31m

Washington, D.C. Dulles Intl

Thu 2/12

10:13 pm-11:44 pm

Nonstop1h 31m

$235

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Fri 1/30

8:05 pm-9:23 pm

Nonstop1h 18m

Washington, D.C. Dulles Intl

Wed 2/4

10:09 pm-11:44 pm

Nonstop1h 35m

$243

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Fri 1/16

2:58 pm-4:23 pm

Nonstop1h 25m

Washington, D.C. Dulles Intl

Sat 1/24

10:09 pm-11:44 pm

Nonstop1h 35m

$243

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Fri 1/23

10:31 am-11:55 am

Nonstop1h 24m

Washington, D.C. Dulles Intl

Mon 1/26

8:21 am-9:56 am

Nonstop1h 35m

$244

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Fri 1/16

8:05 pm-9:23 pm

Nonstop1h 18m

Washington, D.C. Dulles Intl

Mon 1/19

8:21 am-9:56 am

Nonstop1h 35m

$244

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 22 results
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Best time to book a flight from Columbus to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Columbus 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.

Cheapflights Insights

Everything you need to know about your flight from Columbus to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from Columbus to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Columbus to Dulles Intl. Price data was last updated on December 12, 2025.

The price you pay for your flight from Columbus to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Columbus to Washington, D.C. Dulles Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Columbus to Washington, D.C. Dulles Intl Airport (average of $77). Flying from Columbus to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $222). 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.

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

Find hourly flight availability from Columbus to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

It’s optimal to fly from Columbus to Washington, D.C. Dulles Intl Airport in the morning. By choosing this option you can save up to 49% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Columbus to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Columbus to Dulles Intl. Price data was last updated on December 13, 2025.

Travelers seeking maximum savings on their Columbus to Washington, D.C. Dulles Intl Airport flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 18, 2025.
See what other customers who have flown with United Airlines from Columbus 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
9,091 reviews

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
United Airlines
7.4
Good
9,091 reviews
United Airlines
7.4
Good
9,091 reviews

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

Related info for your journey

Find useful and relevant information for your journey from Columbus to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    A quick flight from Columbus to Washington, D.C. Dulles Intl Airport can take about 1h 25m. United Airlines provides one of the quickest options available for as low as $212. There are 299 mi between Columbus and Washington, D.C. Dulles Intl Airport. This flight may include one or multiple stops.

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

    Currently priced at $187, United Airlines will fly you from Columbus to Washington, D.C. Dulles Intl Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Users have found that United Airlines is 41% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Columbus to Washington, D.C. Dulles Intl Airport?

    Consider Mesa Airlines (92%), Ethiopian Air (89%) or ANA (89%) when booking your flight. These represent the most reliable airlines when flying from Columbus to Washington, D.C. Dulles Intl Airport.

  • What are the cheapest flights from Columbus to Washington, D.C. Dulles Intl Airport?

    While on average a flight from Columbus to Washington, D.C. Dulles Intl Airport is generally $938, our data shows the cheapest flight currently is $136. When looking at the most popular route, (Columbus - Washington, D.C. Dulles Intl), you can expect to pay $189 for that flight.

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

    Yes. In addition to deals on Columbus to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Columbus to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Columbus to Dulles Intl.

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

    Yes. Cheapflights offers flight deals from Columbus 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 Columbus to Washington, D.C. Dulles Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Columbus to Washington, D.C. Dulles Intl Airport (average of $77). Flying from Columbus to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $222). 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 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
Hanover
Silver Spring
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Bowie
Largo
McLean
Clinton
Cordova

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Alternative routes for Columbus to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Columbus to Dulles Intl

Discover the top airline that operate flights from Columbus to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$189Average$307FlexibilityNo cancel feeOn-time69%

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