HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$59+ 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — IAD
juin 16 — juin 231
mar. 6/16
mar. 6/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Columbus 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.
Cheapflights Tip: The best prices from Columbus to Washington, D.C. Dulles Intl are usually found in January or September, booked 14 days in advance, depart on a Tuesday or Friday and return on a Saturday

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 mai 17, 2026.

This Delta deal was found by Cheapflights users on 5/13. 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.
mer. 6/106:30 am
CMH
-
IAD
1 stop3h 50m
Delta
lun. 8/245:25 pm
IAD
-
CMH
1 stop3h 47m
Delta
Deal found 5/13$184
This United Airlines deal was found by Cheapflights users on 5/12. 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.
sam. 6/136:00 am
CMH
-
IAD
Nonstop1h 24m
United Airlines
mar. 6/168:25 am
IAD
-
CMH
Nonstop1h 24m
United Airlines
Deal found 5/12$186
This United Airlines deal was found by Cheapflights users on 5/13. 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.
mer. 6/106:00 am
CMH
-
IAD
Nonstop1h 24m
United Airlines
mer. 8/2612:55 pm
IAD
-
CMH
Nonstop1h 23m
United Airlines
Deal found 5/13$187
This Delta deal was found by Cheapflights users on 5/13. 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.
mer. 7/16:30 am
CMH
-
IAD
1 stop3h 50m
Delta
mer. 7/156:00 am
IAD
-
CMH
1 stop3h 46m
Delta
Deal found 5/13$188
This Delta deal was found by Cheapflights users on 5/12. 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.
mer. 6/106:30 am
CMH
-
IAD
1 stop3h 50m
Delta
jeu. 8/2712:29 pm
IAD
-
CMH
1 stop5h 05m
Delta
Deal found 5/12$189
This Expedia deal was found by Cheapflights users on 5/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 6/248:58 pm
CMH
-
IAD
1 stop15h 55m
Frontier
mar. 7/711:17 am
IAD
-
CMH
1 stop5h 47m
Frontier
Deal found 5/15$190
This United Airlines deal was found by Cheapflights users on 5/12. 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.
sam. 6/66:00 am
CMH
-
IAD
Nonstop1h 24m
United Airlines
lun. 6/810:15 pm
IAD
-
CMH
Nonstop1h 28m
United Airlines
Deal found 5/12$191
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 5/316:05 pm
CMH
-
IAD
1 stop16h 07m
Frontier
jeu. 7/167:49 am
IAD
-
CMH
1 stop9h 15m
Frontier
Deal found 5/14$192
This United Airlines deal was found by Cheapflights users on 5/16. 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.
mar. 6/236:00 am
CMH
-
IAD
Nonstop1h 24m
United Airlines
jeu. 6/258:25 am
IAD
-
CMH
Nonstop1h 24m
United Airlines
Deal found 5/16$196
This United Airlines deal was found by Cheapflights users on 5/13. 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.
sam. 6/2710:30 am
CMH
-
IAD
Nonstop1h 25m
United Airlines
mar. 6/308:25 am
IAD
-
CMH
Nonstop1h 24m
United Airlines
Deal found 5/13$197
This Frontier deal was found by Cheapflights users on 5/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/96:00 pm
CMH
-
IAD
1 stop5h 17m
Frontier
sam. 8/291:38 pm
IAD
-
CMH
1 stop6h 12m
Frontier
Deal found 5/13$200
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 7/159:54 am
CMH
-
IAD
2 stops10h 04m
Multiple Airlines
jeu. 7/167:49 am
IAD
-
CMH
1 stop9h 15m
Multiple Airlines
Deal found 5/14$201

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 mai 17, 2026.

Round-trip from

$184
(Delta)

One-way from

$59
(United Airlines)

Popular in

October

Cheapest in

January

Average price

$319
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. 11% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 mai 17, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

mer. 8/5

12:10 pm-4:37 pm

1 stop4h 27m

Washington, D.C. Dulles Intl

dim. 8/9

6:00 am-9:57 am

1 stop3h 57m

$236

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

ven. 6/26

7:54 pm-12:45 am

1 stop4h 51m

Washington, D.C. Dulles Intl

mar. 6/30

8:25 am-9:49 am

Nonstop1h 24m

$269
Quickest round-trip

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

lun. 7/13

10:30 am-11:54 am

Nonstop1h 24m

Washington, D.C. Dulles Intl

sam. 8/29

12:55 pm-2:18 pm

Nonstop1h 23m

$277

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

ven. 8/14

6:00 am-7:25 am

Nonstop1h 25m

Washington, D.C. Dulles Intl

dim. 8/16

5:31 pm-7:00 pm

Nonstop1h 29m

$295

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

mer. 6/10

6:00 am-7:24 am

Nonstop1h 24m

Washington, D.C. Dulles Intl

ven. 6/12

6:33 am-10:41 am

1 stop4h 08m

$333

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

ven. 6/12

7:00 am-11:52 am

1 stop4h 52m

Washington, D.C. Dulles Intl

lun. 6/15

10:15 pm-11:43 pm

Nonstop1h 28m

$338

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

mar. 6/23

10:30 am-11:54 am

Nonstop1h 24m

Washington, D.C. Dulles Intl

ven. 6/26

8:25 am-9:49 am

Nonstop1h 24m

$339

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

ven. 6/26

10:30 am-11:54 am

Nonstop1h 24m

Washington, D.C. Dulles Intl

sam. 6/27

8:25 am-9:50 am

Nonstop1h 25m

$348

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

mer. 6/3

2:19 pm-7:02 pm

1 stop4h 43m

Washington, D.C. Dulles Intl

mar. 7/21

8:25 am-9:49 am

Nonstop1h 24m

$349

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

jeu. 6/11

11:35 am-4:32 pm

1 stop4h 57m

Washington, D.C. Dulles Intl

jeu. 6/18

8:25 am-9:49 am

Nonstop1h 24m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/14

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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?

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 13 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 April is currently the most expensive (average of $202). 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 mai 17, 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 48% on the cost of your flight, compared to a flight in the afternoon.

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 May 16, 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.

How much does it cost to fly round-trip from Columbus to Washington, D.C. Dulles Intl Airport?

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 mai 17, 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
9,730 reviews

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,730 reviews
United Airlines
7.4
Good
9,730 reviews

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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 4h 27m. Delta provides one of the quickest options available for as low as $236. 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 42% 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 GoJet (100%), CommutAir (100%) or Mesa Airlines (99%) 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 $730, our data shows the cheapest flight currently is $103. When looking at the most popular route, (Columbus - Washington, D.C. Dulles Intl), you can expect to pay $117 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 April is currently the most expensive (average of $202). 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
Tysons
Owings Mills
Springfield
Arlington
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Silver Spring
Hanover
Laurel
Woodbridge
Waldorf
Largo
Clinton
Hunt Valley
Cordova
Reston

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.

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 mai 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$187Average$292FlexibilityNo cancel feeOn-time69%

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.