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Dulles Intl

$84+ Cheap flights from Columbus to Dulles Intl (IAD)

CMH — IAD
Oct 5 — Oct 121
Mon 10/5
Mon 10/12
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Columbus to Washington, D.C. Dulles Intl are usually found in September or January, 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

Fri 10/96:02 am -
Nonstop1h 25m
Mon 10/1210:30 pm -
Nonstop1h 29m
Deal found 9/3$191
Tue 9/227:59 pm -
Nonstop1h 20m
Fri 9/2510:30 pm -
Nonstop1h 29m
Deal found 8/31$195
Sat 10/102:31 pm -
1 stop5h 43m
Wed 10/1410:14 am -
1 stop5h 53m
Deal found 9/2$197
Fri 10/99:19 am -
2 stops15h 02m
Mon 10/129:06 pm -
1 stop21h 42m
Deal found 9/3$198
Tue 9/229:16 pm -
1 stop13h 01m
Thu 9/247:50 am -
1 stop11h 05m
Deal found 9/2$199
Wed 9/237:59 pm -
Nonstop1h 20m
Fri 9/2510:30 pm -
Nonstop1h 29m
Deal found 9/2$202
Thu 9/247:07 am -
1 stop4h 38m
Sat 9/266:00 am -
1 stop7h 16m
Deal found 8/31$203
Tue 10/277:44 pm -
1 stop21h 28m
Tue 11/109:06 pm -
2 stops21h 21m
Deal found 9/4$205
Thu 10/157:44 pm -
1 stop4h 37m
Sun 10/187:50 am -
1 stop10h 58m
Deal found 8/31$208
Sun 9/209:16 pm -
1 stop12h 16m
Tue 9/227:50 am -
1 stop11h 05m
Deal found 9/1$209
Wed 10/287:22 pm -
2 stops28h 21m
Thu 11/57:40 am -
1 stop10h 53m
Deal found 9/4$210

Find flight deals from Columbus to Dulles Intl

Round-trip from

$191
(United Airlines)

One-way from

$84
(Super.com)

Popular in

October

Cheapest in

September

Average price

$255
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. 4% potential increase in price ($16 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 September 2026
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Cheapflights Fare Finder

 
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 Columbus - IAD Washington, D.C. Dulles Intl

CMHIAD

Columbus

Wed 10/28

7:56 pm-9:14 pm

Nonstop1h 18m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$89

ColumbusWashington, D.C.

CMH Columbus - IAD Washington, D.C. Dulles Intl

CMHIAD

Columbus

Sat 10/3

10:30 am-11:55 am

Nonstop1h 25m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$89

ColumbusWashington, D.C.

CMH Columbus - IAD Washington, D.C. Dulles Intl

CMHIAD

Columbus

Mon 11/16

7:40 pm-11:21 pm

1 stop3h 41m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$92

ColumbusWashington, D.C.

CMH Columbus - IAD Washington, D.C. Dulles Intl

CMHIAD

Columbus

Wed 10/21

3:14 pm-4:35 pm

Nonstop1h 21m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$99

ColumbusWashington, D.C.

CMH Columbus - IAD Washington, D.C. Dulles Intl

CMHIAD

Columbus

Wed 11/11

7:05 am-11:37 am

1 stop4h 32m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$102

ColumbusWashington, D.C.

CMH Columbus - IAD Washington, D.C. Dulles Intl

CMHIAD

Columbus

Thu 10/15

6:02 am-7:27 am

Nonstop1h 25m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$124
Quickest round-trip

ColumbusWashington, D.C.

CMH Columbus - IAD Washington, D.C. Dulles Intl

CMHIAD

Columbus

Tue 12/1

8:03 pm-9:10 pm

Nonstop1h 07m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$124

ColumbusWashington, D.C.

CMH Columbus - IAD Washington, D.C. Dulles Intl

CMHIAD

Columbus

Fri 11/6

6:13 pm-10:21 am

1 stop16h 08m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$134

ColumbusWashington, D.C.

CMH Columbus - IAD Washington, D.C. Dulles Intl

CMHIAD

Columbus

Wed 10/7

10:30 am-11:55 am

Nonstop1h 25m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$138

ColumbusWashington, D.C.

CMH Columbus - IAD Washington, D.C. Dulles Intl

CMHIAD

Columbus

Sat 10/10

7:59 pm-9:30 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$138

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/3

Showing 1-10 of 22 resultsSorted by cheapest first
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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

Cheapflights Insights

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

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 $255). Flying from Columbus to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of $515). 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?

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 60% on the cost of your flight, compared to a flight in the afternoon.

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

The most flights from C01 to IAD are scheduled on a Friday (22 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (6 on average).

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

Airfare is below average for this route at the moment.
Columbus to Washington, D.C. Dulles Intl Airport flights typically cost between $205 and $398 in October.
The cheapest round-trip price found within the last 5 days was $191 on United Airlines (Oct 9-Oct 12).

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 14 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

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. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Dulles Intl

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
10,171 reviews

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

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
10,171 reviews
United Airlines
7.4
Good
10,171 reviews

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

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

  • 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 20m. Delta provides one of the quickest options available for as low as $220. 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 $191, 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 44% 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 Republic Airways (98%), ANA (92%) or Ethiopian Air (90%) 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 $1,853, our data shows the cheapest flight currently is $102. When looking at the most popular route, (Columbus - Washington, D.C. Dulles Intl), you can expect to pay $177 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 $255). Flying from Columbus to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of $515). 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
Owings Mills
Arlington
Tysons
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Woodbridge
Falls Church
Sterling
Hanover
Laurel
Oxon Hill
Clinton
Hunt Valley
Silver Spring

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Columbus to Dulles Intl

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$189Average$303FlexibilityNo cancel feeOn-time69%

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