HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$85+ 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — IAD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 August or June, booked 54 days in advance, depart on a Wednesday or Tuesday 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 June 12, 2025.

Round-trip from

$190
(United Airlines)

One-way from

$85
(United Airlines)

Popular in

January

Cheapest in

August

Average price

$269
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. 7% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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 8/146:00 amCMH - IAD
Nonstop1h 21mUnited Airlines
Sat 8/1612:50 pmIAD - CMH
Nonstop1h 25mUnited Airlines
Deal found 6/10$190
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/306:00 pmCMH - IAD
1 stop4h 55mDelta
Fri 7/45:24 pmIAD - CMH
1 stop3h 35mDelta
Deal found 6/11$199
This FlightHub deal was found by Cheapflights users on 6/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/224:53 pmCMH - IAD
1 stop7h 16mFrontier
Sat 9/68:06 pmIAD - CMH
1 stop14h 27mFrontier
Deal found 6/9$233
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/102:34 pmCMH - IAD
1 stop4h 17mAmerican Airlines
Sun 9/148:13 pmIAD - CMH
1 stop3h 46mAmerican Airlines
Deal found 6/12$254
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/176:35 pmCMH - IAD
1 stop17h 54mMultiple Airlines
Mon 7/214:46 pmIAD - CMH
2 stops31h 32mMultiple Airlines
Deal found 6/10$272

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 June 12, 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

Thu 8/14

6:00 am-7:21 am

Nonstop1h 21m

Washington, D.C. Dulles Intl

Sat 8/16

12:50 pm-2:15 pm

Nonstop1h 25m

$190

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Mon 6/30

6:40 am-11:59 am

1 stop5h 19m

Washington, D.C. Dulles Intl

Fri 7/4

5:24 pm-8:59 pm

1 stop3h 35m

$199

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Fri 8/22

4:53 pm-12:09 am

1 stop7h 16m

Washington, D.C. Dulles Intl

Sat 9/6

8:06 pm-10:33 am

1 stop14h 27m

$233

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Wed 9/10

2:34 pm-6:51 pm

1 stop4h 17m

Washington, D.C. Dulles Intl

Sun 9/14

8:13 pm-11:59 pm

1 stop3h 46m

$254

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Thu 7/17

6:35 pm-12:29 pm

1 stop17h 54m

Washington, D.C. Dulles Intl

Mon 7/21

4:46 pm-12:18 am

2 stops31h 32m

$272

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Mon 10/27

3:05 pm-4:22 pm

Nonstop1h 17m

$85

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Tue 8/19

7:02 am-12:02 pm

1 stop5h 00m

$89

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Mon 8/4

12:31 pm-12:12 am

1 stop11h 41m

$123

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Sat 8/30

1:07 pm-7:42 pm

1 stop6h 35m

$126

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Thu 7/31

5:05 am-9:23 am

2 stops28h 18m

$130

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 11 results
1
2

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 June 9, 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 July is currently the most expensive (average of $349). 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 June 12, 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 45% 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 June 8, 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 June 12, 2025.

The most flights from C01 to IAD are scheduled on a Thursday (23 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (15 on average).

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 June 12, 2025.
See what other customers who have flown with Delta, United Airlines and American 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
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Sun Country Air
6.9
Okay
345 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.9
Fair
3,295 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $190, 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 Frontier - these airlines can fly you to your destination from $199 and $233, respectively. Users have found that United Airlines is 38% 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 ($85), Delta ($89), and Frontier ($123).

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

    Consider CommutAir (100%), Air China (100%) or Ethiopian Air (93%) 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 $1,464, our data shows the cheapest flight currently is $153. When looking at the most popular route, (Columbus - Washington, D.C. Dulles Intl), you can expect to pay $109 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 July is currently the most expensive (average of $349). 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
Arlington
Alexandria
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
Towson
Sterling
Bowie
Rockville
Reston
National Harbor
Springfield
Manassas

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.

Alternative routes for Columbus to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Detroit to Reagan-National flights
Detroit to Dulles Intl flights
Detroit to Baltimore flights
Cincinnati to Baltimore flights
Cincinnati to Dulles Intl flights
Columbus to Dulles Intl flights
Cincinnati to Reagan-National flights
Pittsburgh to Dulles Intl flights
Columbus to Baltimore flights
Cleveland to Reagan-National flights
Pittsburgh to Baltimore flights
Cleveland to Dulles Intl flights
Cleveland to Baltimore flights
Pittsburgh to Reagan-National flights
Columbus to Reagan-National flights
Dayton to Dulles Intl flights
Dayton to Reagan-National flights
Dayton to Baltimore flights
Akron to Dulles Intl flights
Akron to Reagan-National flights
Akron to Baltimore flights
Erie to Dulles Intl flights
Erie to Reagan-National flights
Erie to Baltimore flights
Toledo to Reagan-National flights
Toledo to Baltimore flights
Toledo to Dulles Intl flights

Top 2 airlines flying from Columbus to Dulles Intl

Discover the top 2 airlines 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$170Average$300FlexibilityNo cancel feeOn-time69%
DeltaCheapest$187Average$311FlexibilityNo cancel feeOn-timeN/A

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.