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Dulles Intl

$89+ Cheap flights from Columbus (CMH) 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 17 — Oct 241
Fri 10/17
Fri 10/24
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 November, booked 40 days in advance, depart on a Wednesday or Thursday and return on a Friday

Cheap flight deals from Columbus to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Columbus (CMH) 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 17, 2025.

Round-trip from

$144
(Frontier)

One-way from

$89
(Delta)

Popular in

January

Cheapest in

June

Average price

$375

Good round-trip deal

$489 or less

Good one-way deal

$233 or less
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. 6% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Columbus to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Columbus to Washington, D.C. Dulles Intl.
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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 17, 2025.

This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/12:38 pmCMH - IAD
1 stop5h 13mFrontier
Mon 11/36:00 amIAD - CMH
1 stop9h 45mFrontier
Deal found 9/16$144
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/251:04 pmCMH - IAD
1 stop7h 49mFrontier
Sun 10/268:02 pmIAD - CMH
1 stop14h 48mFrontier
Deal found 9/16$156
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1410:30 amCMH - IAD
Nonstop1h 24mUnited Airlines
Sat 10/188:16 amIAD - CMH
Nonstop1h 14mUnited Airlines
Deal found 9/15$157
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:10 amCMH - IAD
Nonstop1h 25mUnited Airlines
Sun 11/912:40 pmIAD - CMH
Nonstop1h 28mUnited Airlines
Deal found 9/15$160
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2412:51 pmCMH - IAD
1 stop10h 38mFrontier
Sun 10/268:02 pmIAD - CMH
1 stop14h 48mFrontier
Deal found 9/15$163
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/211:21 amCMH - IAD
1 stop7h 03mFrontier
Mon 10/66:10 amIAD - CMH
1 stop11h 35mFrontier
Deal found 9/16$164
This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/111:04 pmCMH - IAD
1 stop7h 49mFrontier
Mon 10/136:04 amIAD - CMH
1 stop6h 01mFrontier
Deal found 9/15$171
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2711:45 amCMH - IAD
1 stop9h 53mFrontier
Fri 10/318:36 pmIAD - CMH
1 stop17h 07mFrontier
Deal found 9/16$174
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:03 amCMH - IAD
1 stop4h 54mDelta
Sun 10/266:05 amIAD - CMH
1 stop5h 11mDelta
Deal found 9/15$177
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Sat 10/111:04 pmCMH - IAD
1 stop7h 49mMultiple Airlines
Mon 10/139:28 pmIAD - CMH
1 stop17h 01mMultiple Airlines
Deal found 9/16$180
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/296:40 pmCMH - IAD
1 stop5h 35mFrontier
Fri 10/37:14 pmIAD - CMH
1 stop15h 22mFrontier
Deal found 9/16$184
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/74:30 pmCMH - IAD
1 stop7h 41mFrontier
Sun 11/910:54 pmIAD - CMH
2 stops16h 41mFrontier
Deal found 9/15$186

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 17, 2025.
Use the filters below to find and compare flights from Columbus Airport 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

Fri 10/3

6:40 pm-11:39 pm

1 stop4h 59m

Washington, D.C. Dulles Intl

Tue 10/7

9:00 am-2:29 pm

2 stops29h 29m

$211

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Wed 10/15

10:30 am-11:54 am

Nonstop1h 24m

Washington, D.C. Dulles Intl

Mon 10/20

8:22 am-9:36 am

Nonstop1h 14m

$215

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Sat 10/11

6:00 am-7:23 am

Nonstop1h 23m

Washington, D.C. Dulles Intl

Mon 10/13

10:10 pm-11:39 pm

Nonstop1h 29m

$215

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Tue 11/11

6:10 am-7:35 am

Nonstop1h 25m

Washington, D.C. Dulles Intl

Tue 11/11

12:40 pm-2:08 pm

Nonstop1h 28m

$215

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Wed 11/26

5:59 pm-11:03 pm

1 stop5h 04m

Washington, D.C. Dulles Intl

Fri 11/28

6:00 am-9:49 am

1 stop3h 49m

$236

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Tue 10/7

11:07 am-4:05 pm

1 stop4h 58m

Washington, D.C. Dulles Intl

Tue 10/7

10:10 pm-11:39 pm

Nonstop1h 29m

$240

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Sat 10/25

6:00 am-7:23 am

Nonstop1h 23m

Washington, D.C. Dulles Intl

Sun 10/26

8:20 am-9:47 am

Nonstop1h 27m

$245

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

$247

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Thu 10/9

6:00 am-7:23 am

Nonstop1h 23m

Washington, D.C. Dulles Intl

Sun 10/12

12:40 pm-2:06 pm

Nonstop1h 26m

$255

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

5:25 pm-6:57 pm

Nonstop1h 32m

$256

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 22 results
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The best insider tips for Columbus Airport to Washington, D.C. Dulles Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Columbus Airport to Washington, D.C. Dulles Intl Airport trip
Airlines
Ethiopian Air

Economy Class seats feature a 32-inch pitch and personal entertainment monitors.


Cloud 9 passengers enjoy real Champagne and elegant glassware.

Read more about Ethiopian Airby Paul Rubio
United Airlines

Basic Economy allows a personal item only; no carry-on bags unless exceptions apply.


Economy Plus offers extra legroom seats at the front of the economy cabin.

Read more about United Airlinesby Harriet Baskas
Our travel experts
Paul Rubio

Paul Rubio

Expert on Ethiopian Air

Paul Rubio

Paul Rubio

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more

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 Airport to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from Columbus Airport 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 September 12, 2025.

Booking 40 days in advance of your planned departure date is, on average, the best time to get cheap flights from Columbus Airport to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Columbus Airport to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Columbus Airport 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 17, 2025.

It’s optimal to fly from Columbus Airport to Washington, D.C. Dulles Intl Airport in the morning. By choosing this option you can save up to 37% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Columbus Airport 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 14, 2025.

Travelers seeking maximum savings on their Columbus Airport 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.

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 17, 2025.
Get a feel of what it's like to fly with United Airlines from Columbus Airport to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,926 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

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 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

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

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 Airport to Washington, D.C. Dulles Intl Airport?

    Departing from Columbus Airport to Washington, D.C. Dulles Intl Airport will take you 1h 24m. The distance from Columbus Airport to Washington, D.C. Dulles Intl Airport is about 299 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    According to our current data, United Airlines ($187), offers the cheapest pricing from Columbus Airport to Washington, D.C. Dulles Intl Airport. United Airlines is currently priced 41% below the average price you’ll pay for this route.

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

    No one likes to see their flight delayed. When booking a flight from Columbus Airport to Washington, D.C. Dulles Intl Airport consider choosing Ethiopian Air (95%), ANA (95%) or Copa Airlines (92%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from Columbus Airport to Washington, D.C. Dulles Intl Airport is generally $1,254, our data shows the cheapest flight currently is $104. When looking at the most popular route, (Columbus - Washington, D.C. Dulles Intl), you can expect to pay $99 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 Airport to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Columbus Airport to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Columbus Airport 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
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
National Harbor
Dundalk

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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.
Columbus to Baltimore flights
Columbus to Reagan-National flights

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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$187Average$301FlexibilityNo cancel feeOn-time69%

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