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Dulles Intl

$89+ 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — IAD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 November, booked 40 days in advance, depart on a Wednesday or Thursday and return on a Saturday

Cheap 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 September 11, 2025.

Round-trip from

$160
(Kiwi.com)

One-way from

$89
(Delta)

Popular in

January

Cheapest in

June

Average price

$399
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 ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This Booking.com deal was found by Cheapflights users on 9/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2511:21 amCMH - IAD
1 stop7h 03mFrontier
Fri 9/267:14 pmIAD - CMH
1 stop15h 22mFrontier
Deal found 9/10$164
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Sat 9/2711:31 amCMH - IAD
1 stop6h 53mFrontier
Sat 10/119:38 pmIAD - CMH
1 stop17h 47mFrontier
Deal found 9/11$169
This Frontier deal was found by Cheapflights users on 9/9. 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.
Fri 10/171:25 pmCMH - IAD
1 stop10h 04mFrontier
Mon 10/206:15 amIAD - CMH
1 stop5h 50mFrontier
Deal found 9/9$170
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/283:05 pmCMH - IAD
Nonstop1h 17mUnited Airlines
Fri 10/3110:10 pmIAD - CMH
Nonstop1h 31mUnited Airlines
Deal found 9/10$174
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/26:00 amCMH - IAD
Nonstop1h 23mUnited Airlines
Sat 10/118:16 amIAD - CMH
Nonstop1h 14mUnited Airlines
Deal found 9/10$175
This Delta deal was found by Cheapflights users on 9/10. 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.
Sat 10/1812:33 pmCMH - IAD
1 stop3h 56mDelta
Tue 10/216:05 amIAD - CMH
1 stop5h 11mDelta
Deal found 9/10$177
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Thu 9/2511:21 amCMH - IAD
1 stop7h 03mMultiple Airlines
Thu 10/26:10 amIAD - CMH
2 stops12h 01mMultiple Airlines
Deal found 9/10$179
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 9/156:40 pmCMH - IAD
1 stop5h 35mFrontier
Fri 9/197:14 pmIAD - CMH
1 stop15h 22mFrontier
Deal found 9/10$181
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/101:25 pmCMH - IAD
1 stop10h 04mFrontier
Fri 10/179:28 pmIAD - CMH
1 stop14h 41mFrontier
Deal found 9/10$185
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 11/144:30 pmCMH - IAD
1 stop7h 41mMultiple Airlines
Sun 11/168:36 pmIAD - CMH
1 stop11h 39mMultiple Airlines
Deal found 9/11$186
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Thu 9/2511:21 amCMH - IAD
1 stop7h 03mMultiple Airlines
Wed 10/19:15 amIAD - CMH
2 stops26h 26mMultiple Airlines
Deal found 9/11$187

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 September 11, 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 10/18

10:26 am-11:43 am

Nonstop1h 17m

Washington, D.C. Dulles Intl

Sun 10/19

8:22 am-9:36 am

Nonstop1h 14m

$169

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Sat 10/4

12:10 pm-5:36 pm

1 stop5h 26m

Washington, D.C. Dulles Intl

Mon 10/6

6:05 am-9:53 am

1 stop3h 48m

$177

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Sat 10/18

12:33 pm-4:29 pm

1 stop3h 56m

Washington, D.C. Dulles Intl

Tue 10/21

5:10 pm-11:50 pm

1 stop6h 40m

$177

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Wed 10/8

8:00 am-11:29 am

1 stop3h 29m

Washington, D.C. Dulles Intl

Wed 10/15

6:05 am-11:16 am

1 stop5h 11m

$177

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Thu 2/5

10:20 am-4:30 pm

1 stop6h 10m

Washington, D.C. Dulles Intl

Fri 2/6

12:30 pm-6:00 pm

1 stop5h 30m

$177

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Sun 12/14

6:10 am-10:26 am

1 stop4h 16m

Washington, D.C. Dulles Intl

Tue 12/16

6:00 am-9:49 am

1 stop3h 49m

$177

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Thu 9/25

11:21 am-6:24 pm

1 stop7h 03m

Washington, D.C. Dulles Intl

Thu 10/2

6:10 am-6:11 pm

2 stops12h 01m

$179

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Tue 10/21

7:51 pm-9:20 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Fri 10/24

8:22 am-9:36 am

Nonstop1h 14m

$185

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Mon 10/13

6:00 am-7:23 am

Nonstop1h 23m

Washington, D.C. Dulles Intl

Fri 10/31

10:10 pm-11:41 pm

Nonstop1h 31m

$185

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Tue 11/25

6:10 am-7:35 am

Nonstop1h 25m

Washington, D.C. Dulles Intl

Fri 11/28

8:22 am-9:49 am

Nonstop1h 27m

$204

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 23 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 August 29, 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 40 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, August is the cheapest month in which you can book a flight from Columbus to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Columbus to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 September 11, 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 38% 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 September 7, 2025.

Travelers seeking maximum savings on their Columbus to Washington, D.C. Dulles Intl Airport flight should consider departing on Wednesday mornings 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.

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 September 11, 2025.

The most flights from C01 to IAD are scheduled on a Wednesday (22 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 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 September 11, 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
8,937 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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 17m. United Airlines provides one of the quickest options available for as low as $169. 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 Ethiopian Air (93%), ANA (93%) or Air China (88%) 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 $1,271, our data shows the cheapest flight currently is $127. When looking at the most popular route, (Columbus - Washington, D.C. Dulles Intl), you can expect to pay $101 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, August is the cheapest month in which you can book a flight from Columbus to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Columbus to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$187Average$304FlexibilityNo cancel feeOn-time69%

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