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Dulles Intl

$66+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — IAD
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
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 February, booked 15 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 February 3, 2026.

This United Airlines deal was found by Cheapflights users on 2/1. 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 5/2010:36 am
CMH
-
IAD
Nonstop1h 14m
United Airlines
Sat 5/308:15 am
IAD
-
CMH
Nonstop1h 24m
United Airlines
Deal found 2/1$191
This United Airlines deal was found by Cheapflights users on 1/31. 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 2/216:00 am
CMH
-
IAD
Nonstop1h 31m
United Airlines
Wed 2/258:15 am
IAD
-
CMH
Nonstop1h 24m
United Airlines
Deal found 1/31$199
This United Airlines deal was found by Cheapflights users on 1/31. 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 3/710:35 am
CMH
-
IAD
Nonstop1h 19m
United Airlines
Tue 3/1012:52 pm
IAD
-
CMH
Nonstop1h 20m
United Airlines
Deal found 1/31$201
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Fri 3/69:25 am
CMH
-
IAD
1 stop21h 59m
Frontier
Fri 3/138:09 am
IAD
-
CMH
1 stop27h 26m
Frontier
Deal found 2/2$203
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Wed 3/1111:39 am
CMH
-
IAD
2 stops12h 52m
Multiple Airlines
Sun 3/156:20 am
IAD
-
CMH
1 stop7h 36m
Multiple Airlines
Deal found 2/2$204
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Fri 2/2711:17 am
CMH
-
IAD
1 stop22h 17m
Multiple Airlines
Mon 3/28:15 am
IAD
-
CMH
1 stop15h 38m
Multiple Airlines
Deal found 2/1$206
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Wed 2/251:25 pm
CMH
-
IAD
1 stop20h 00m
Multiple Airlines
Fri 2/272:58 pm
IAD
-
CMH
2 stops8h 55m
Multiple Airlines
Deal found 2/2$207
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Mon 4/206:10 am
CMH
-
IAD
Nonstop1h 22m
United Airlines
Tue 4/2110:10 pm
IAD
-
CMH
Nonstop1h 30m
United Airlines
Deal found 2/3$208
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Fri 3/65:45 am
CMH
-
IAD
2 stops8h 33m
Multiple Airlines
Mon 3/98:09 am
IAD
-
CMH
1 stop24h 21m
Multiple Airlines
Deal found 2/1$210
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Mon 4/136:10 am
CMH
-
IAD
Nonstop1h 22m
United Airlines
Wed 4/155:10 pm
IAD
-
CMH
Nonstop1h 31m
United Airlines
Deal found 1/31$215
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 3/3010:41 am
CMH
-
IAD
Nonstop1h 14m
United Airlines
Wed 4/18:20 am
IAD
-
CMH
Nonstop1h 25m
United Airlines
Deal found 2/2$218
This Delta deal was found by Cheapflights users on 2/3. 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 4/17:10 am
CMH
-
IAD
1 stop5h 29m
Delta
Tue 4/75:32 pm
IAD
-
CMH
1 stop3h 29m
Delta
Deal found 2/3$221

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 February 3, 2026.

Round-trip from

$191
(United Airlines)

One-way from

$66
(Kiwi.com)

Popular in

October

Cheapest in

June

Average price

$273
From Columbus to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Columbus to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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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 February 3, 2026.
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 3/7

6:00 am-7:31 am

Nonstop1h 31m

Washington, D.C. Dulles Intl

Mon 3/9

12:52 pm-2:12 pm

Nonstop1h 20m

$201

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Mon 4/13

6:10 am-7:32 am

Nonstop1h 22m

Washington, D.C. Dulles Intl

Wed 4/15

5:10 pm-6:41 pm

Nonstop1h 31m

$215

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Mon 3/30

10:41 am-11:55 am

Nonstop1h 14m

Washington, D.C. Dulles Intl

Wed 4/1

8:20 am-9:45 am

Nonstop1h 25m

$218

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Mon 3/30

10:41 am-11:55 am

Nonstop1h 14m

Washington, D.C. Dulles Intl

Sat 4/4

8:15 am-9:40 am

Nonstop1h 25m

$225

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Tue 2/24

6:00 am-7:31 am

Nonstop1h 31m

Washington, D.C. Dulles Intl

Wed 2/25

8:15 am-9:39 am

Nonstop1h 24m

$231

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Mon 3/30

10:41 am-11:55 am

Nonstop1h 14m

Washington, D.C. Dulles Intl

Thu 4/2

8:20 am-9:45 am

Nonstop1h 25m

$235

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Tue 3/10

10:34 am-11:53 am

Nonstop1h 19m

Washington, D.C. Dulles Intl

Tue 3/10

5:51 pm-7:23 pm

Nonstop1h 32m

$235

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Tue 3/10

8:04 pm-9:25 pm

Nonstop1h 21m

Washington, D.C. Dulles Intl

Wed 3/11

8:15 am-9:38 am

Nonstop1h 23m

$235

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Tue 3/17

8:04 pm-9:25 pm

Nonstop1h 21m

Washington, D.C. Dulles Intl

Wed 3/18

10:13 pm-11:44 pm

Nonstop1h 31m

$235

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Wed 2/25

6:23 am-11:53 am

1 stop5h 30m

Washington, D.C. Dulles Intl

Wed 3/4

12:24 pm-5:21 pm

1 stop4h 57m

$251

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 21 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 January 30, 2026.

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 14 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 $221). 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 February 3, 2026.

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 47% 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 January 31, 2026.

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

Weekly flight availability from Columbus to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Columbus to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 3, 2026.

The most flights from C01 to IAD are scheduled on a Monday (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

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 February 3, 2026.
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
9,236 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

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
9,236 reviews
United Airlines
7.4
Good
9,236 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

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

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 31m. United Airlines provides one of the quickest options available for as low as $201. There are 299 mi between Columbus and Washington, D.C. Dulles Intl Airport. All flights are typically nonstop.

  • 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 40% 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 Ethiopian Air (87%), ANA (87%) or Republic Airways (83%) 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 $947, our data shows the cheapest flight currently is $158. When looking at the most popular route, (Columbus - Washington, D.C. Dulles Intl), you can expect to pay $179 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 $221). 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
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Upper Marlboro
Manassas
Largo
Bowie
McLean
Clinton

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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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$187Average$294FlexibilityNo cancel feeOn-time69%

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