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Dulles Intl

$90+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — IAD
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheapflights Tip: The best prices from Columbus to Washington, D.C. Dulles Intl are usually found in August or November, booked 54 days in advance, depart on a Tuesday 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 April 29, 2025.

Round-trip from

$194
(United Airlines)

One-way from

$90
(United Airlines)

Popular in

January

Cheapest in

August

Average price

$361
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. 3% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 29, 2025.

This United Airlines deal was found by Cheapflights users on 4/28. 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 5/236:10 amCMH - IAD
Nonstop1h 21mUnited Airlines
Sat 5/248:15 amIAD - CMH
Nonstop1h 18mUnited Airlines
Deal found 4/28$194
This Delta deal was found by Cheapflights users on 4/29. 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 6/186:40 amCMH - IAD
1 stop5h 19mDelta
Mon 6/236:00 amIAD - CMH
1 stop5h 20mDelta
Deal found 4/29$203
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/48:10 pmCMH - IAD
1 stop3h 52mAmerican Airlines
Tue 6/175:41 pmIAD - CMH
1 stop4h 44mAmerican Airlines
Deal found 4/28$251
This Booking.com deal was found by Cheapflights users on 4/28. 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 6/193:08 pmCMH - IAD
1 stop21h 36mFrontier
Fri 6/271:29 pmIAD - CMH
1 stop19h 53mFrontier
Deal found 4/28$262
This Booking.com deal was found by Cheapflights users on 4/28. 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.
Fri 5/308:11 pmCMH - IAD
2 stops18h 33mMultiple Airlines
Sun 6/111:54 amIAD - CMH
2 stops20h 56mMultiple Airlines
Deal found 4/28$298

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 April 29, 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

Fri 5/23

6:10 am-7:31 am

Nonstop1h 21m

Washington, D.C. Dulles Intl

Sat 5/24

8:15 am-9:33 am

Nonstop1h 18m

$194

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Wed 6/18

6:40 am-11:59 am

1 stop5h 19m

Washington, D.C. Dulles Intl

Mon 6/23

6:00 am-11:20 am

1 stop5h 20m

$203

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Wed 6/4

8:10 pm-12:02 am

1 stop3h 52m

Washington, D.C. Dulles Intl

Tue 6/17

5:41 pm-10:25 pm

1 stop4h 44m

$251

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Thu 6/19

3:08 pm-12:44 pm

1 stop21h 36m

Washington, D.C. Dulles Intl

Fri 6/27

1:29 pm-9:22 am

1 stop19h 53m

$262

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Fri 5/30

8:11 pm-2:44 pm

2 stops18h 33m

Washington, D.C. Dulles Intl

Sun 6/1

11:54 am-8:50 am

2 stops20h 56m

$298

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Thu 5/29

10:39 am-11:54 am

Nonstop1h 15m

$90

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Sat 7/5

8:10 am-11:33 am

1 stop3h 23m

$100

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Thu 6/12

3:08 pm-12:44 pm

1 stop21h 36m

$108

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Sat 5/31

8:09 pm-12:02 am

1 stop3h 53m

$126

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Wed 6/4

9:55 am-11:02 am

2 stops25h 07m

$141

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 11 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 April 25, 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 54 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 $309). Flying from Columbus to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $373). 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 April 29, 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 46% 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 March 30, 2025.

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

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 April 29, 2025.
See what other customers who have flown with Delta, Qatar Airways and United Airlines from Columbus to Washington, D.C. have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Qatar Airways
7.4
Good
3,563 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Frontier
6.0
Okay
3,284 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines flying from Columbus to Washington, D.C. Dulles Intl Airport round-trip?

    Currently priced at $194, 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. Search Cheapflights for deals from Delta and American Airlines - these airlines can fly you to your destination from $203 and $251, respectively. Users have found that United Airlines is 39% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Columbus to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airlines for a one-way flight from Columbus to Washington, D.C. Dulles Intl Airport are United Airlines ($90), Delta ($100), and Frontier ($108).

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

    Consider Sun Country Air (100%), Air China (94%) or Republic Airways (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 $1,072, 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 $157 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 $309). Flying from Columbus to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $373). 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 Columbus?

Book flights to Columbus if you plan to visit one of these locations
Alexandria
Arlington
Woodbridge
Tysons
Fairfax
Springfield
Rockville
Fredericksburg
Silver Spring
Gaithersburg
Linthicum Heights
Falls Church
Laurel
Easton
Towson
Herndon
Sterling
Bowie
National Harbor
Oxon Hill

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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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$168Average$308FlexibilityNo cancel feeOn-time69%

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