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

$89 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Delta and Frontier, with prices starting from $99 and $117, respectively.

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.

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).

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 $2,538, our data shows the cheapest flight currently is $134. When looking at the most popular route, (Columbus - Washington, D.C. Dulles Intl), you can expect to pay $177 for that flight.

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 (97%), ANA (97%) or Air China (89%) as they are the most reliable in getting you off to your destination on time.

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

Friday flights are generally found to be more expensive for flights from Columbus Airport to Washington, D.C. Dulles Intl Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C. Dulles Intl Airport.

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

Our data shows that September tends to be the cheapest month to fly to Washington, D.C. Dulles Intl Airport from Columbus Airport. Users have commonly found prices around $259 for the month, but tickets can be as low as $107. Due to multiple factors, prepare for potentially higher prices in March.

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.

$89+ Flights from Columbus Airport to Washington, D.C. Dulles Intl Airport

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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 Thursday and return on a Saturday

Cheap flight deals from Columbus to Dulles Intl

Round-trip from	$178 (United Airlines)
One-way from	$89 (United Airlines)
Popular in	January
Cheapest in	August
Average price	$319
Good round-trip deal	$635 or less
Good one-way deal	$299 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. 7% potential increase in price ($24 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 14, 2025.

Thu 8/2810:35 amCMH - IAD

Nonstop1h 15mUnited Airlines

Sun 8/3110:15 pmIAD - CMH

Nonstop1h 28mUnited Airlines

Deal found 7/13

$178

Thu 8/147:02 amCMH - IAD

1 stop5h 00mDelta

Sat 8/166:00 amIAD - CMH

1 stop5h 15mDelta

Deal found 7/13

$197

Fri 7/2512:31 pmCMH - IAD

1 stop11h 41mFrontier

Mon 7/286:10 amIAD - CMH

1 stop5h 32mFrontier

Deal found 7/11

$214

Mon 10/61:17 pmCMH - IAD

1 stop6h 28mAmerican Airlines

Wed 10/88:09 amIAD - CMH

1 stop5h 46mAmerican Airlines

Deal found 7/13

$254

Best flights from Columbus to Dulles Intl
Discover carefully curated flight deals from Columbus to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 14, 2025.

Thu 8/2810:35 amCMH - IAD

Nonstop1h 15mUnited Airlines

Sun 8/3110:15 pmIAD - CMH

Nonstop1h 28mUnited Airlines

Deal found 7/13

$178

Thu 8/147:02 amCMH - IAD

1 stop5h 00mDelta

Sat 8/166:00 amIAD - CMH

1 stop5h 15mDelta

Deal found 7/13

$197

Fri 7/2512:31 pmCMH - IAD

1 stop11h 41mFrontier

Mon 7/286:10 amIAD - CMH

1 stop5h 32mFrontier

Deal found 7/11

$214

Mon 10/61:17 pmCMH - IAD

1 stop6h 28mAmerican Airlines

Wed 10/88:09 amIAD - CMH

1 stop5h 46mAmerican Airlines

Deal found 7/13

$254

Last-minute flights from Columbus to Dulles Intl
Discover last-minute flight deals from Columbus to Dulles Intl. Data last updated July 14, 2025 and is based on user searches.

Sat 7/196:30 amCMH - IAD

1 stop5h 32mDelta

Sat 7/266:00 amIAD - CMH

1 stop5h 14mDelta

Deal found 7/12

$433

Sun 7/203:08 pmCMH - IAD

1 stop21h 34mFrontier

Fri 7/256:10 amIAD - CMH

1 stop5h 32mFrontier

Deal found 7/14

$315

Thu 7/2410:34 amCMH - IAD

Nonstop1h 21mUnited Airlines

Sat 8/1612:50 pmIAD - CMH

Nonstop1h 25mUnited Airlines

Deal found 7/12

$302

Thu 7/248:37 pmCMH - IAD

2 stops17h 46mMultiple Airlines

Sat 8/169:15 pmIAD - CMH

2 stops14h 13mMultiple Airlines

Deal found 7/12

$332

Thu 7/248:14 amCMH - IAD

1 stop4h 35mAmerican Airlines

Sat 8/168:19 pmIAD - CMH

1 stop3h 34mAmerican Airlines

Deal found 7/12

$349

Fri 7/2512:31 pmCMH - IAD

1 stop11h 41mFrontier

Mon 7/286:10 amIAD - CMH

1 stop5h 32mFrontier

Deal found 7/11

$214

Thu 8/147:02 amCMH - IAD

1 stop5h 00mDelta

Sat 8/166:00 amIAD - CMH

1 stop5h 15mDelta

Deal found 7/13

$197

Thu 8/2810:35 amCMH - IAD

Nonstop1h 15mUnited Airlines

Sun 8/3110:15 pmIAD - CMH

Nonstop1h 28mUnited Airlines

Deal found 7/13

$178

One-way flights from Columbus to Dulles Intl
Search for one-way flight options from Columbus to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated July 14, 2025.

Wed 8/2710:35 amCMH - IAD

Nonstop1h 15mUnited Airlines

Deal found 7/13

$89

Sat 8/237:02 amCMH - IAD

1 stop5h 00mDelta

Deal found 7/13

$99

Sun 8/173:08 pmCMH - IAD

1 stop21h 43mFrontier

Deal found 7/12

$117

Sat 8/1612:20 pmCMH - IAD

2 stops21h 54mMultiple Airlines

Deal found 7/13

$122

Sat 9/201:06 pmCMH - IAD

1 stop5h 41mAmerican Airlines

Deal found 7/13

$126

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Thu 8/28

10:35 am-11:50 am

Nonstop1h 15m

Washington, D.C. Dulles Intl

Sun 8/31

10:15 pm-11:43 pm

Nonstop1h 28m

$178

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Thu 8/14

7:02 am-12:02 pm

1 stop5h 00m

Washington, D.C. Dulles Intl

Sat 8/16

6:00 am-11:15 am

1 stop5h 15m

$197

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Fri 7/25

12:31 pm-12:12 am

1 stop11h 41m

Washington, D.C. Dulles Intl

Mon 7/28

6:10 am-11:42 am

1 stop5h 32m

$214

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Mon 10/6

1:17 pm-7:45 pm

1 stop6h 28m

Washington, D.C. Dulles Intl

Wed 10/8

8:09 am-1:55 pm

1 stop5h 46m

$254

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Fri 9/26

12:31 pm-8:44 pm

2 stops8h 13m

Washington, D.C. Dulles Intl

Mon 9/29

10:49 am-6:11 pm

3 stops31h 22m

$283

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Wed 8/27

10:35 am-11:50 am

Nonstop1h 15m

$89

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Sat 8/23

7:02 am-12:02 pm

1 stop5h 00m

$99

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Sun 8/17

3:08 pm-12:51 pm

1 stop21h 43m

$117

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Sat 8/16

12:20 pm-10:14 am

2 stops21h 54m

$122

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Sat 9/20

2:35 pm-6:47 pm

1 stop4h 12m

$126

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/13

The best insider tips for Columbus Airport to Washington, D.C. Dulles Intl Airport flights

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

Expert on Ethiopian Air

Harriet Baskas

Expert on United Airlines

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?

Booking 54 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 $309). 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?

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 42% 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?

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.

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

The most flights from CMH to IAD are scheduled on a Monday (21 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (14 on average).

Reviews of airlines servicing Dulles Intl

Get a feel of what it's like to fly with Delta, United Airlines, and American 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.

Delta

8.0

Very good

7,956 reviews

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

7,956 reviews

Delta

8.0

Very good

7,956 reviews

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

8,858 reviews

Delta

8.0

Very good

7,956 reviews

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

7,956 reviews

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

3,261 reviews

Delta

8.0

Very good

7,956 reviews

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

What are the cheapest airlines flying from Columbus Airport to Washington, D.C. Dulles Intl Airport round-trip?
According to our current data, United Airlines ($178), Delta ($197), and Frontier ($214) offers the cheapest pricing from Columbus Airport to Washington, D.C. Dulles Intl Airport. United Airlines is currently priced 43% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Columbus Airport to Washington, D.C. Dulles Intl Airport one-way?
$89 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Delta and Frontier, with prices starting from $99 and $117, respectively.
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 (97%), ANA (97%) or Air China (89%) 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 $2,538, our data shows the cheapest flight currently is $134. 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 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 $309). 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

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Silver Spring

Fredericksburg

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Manassas

Dundalk

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Top 2 airlines flying from Columbus to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$172	Average$294	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$187	Average$311	FlexibilityNo cancel fee	On-timeN/A

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$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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Columbus to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 Thursday and return on a Saturday

Cheap flight deals from Columbus to Dulles Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Columbus to Dulles Intl

Cheapest flights from Columbus to Dulles IntlExplore 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 July 14, 2025.

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 July 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Columbus Airport to Washington, D.C. Dulles Intl Airport that are best for you.

The best insider tips for Columbus Airport to Washington, D.C. Dulles Intl Airport flights

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

United Airlines

Our travel experts

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.

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 July 11, 2025.

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

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 July 14, 2025.

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 July 13, 2025.

Weekly flight availability from Columbus Airport 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 July 14, 2025.

Reviews of airlines servicing Dulles Intl

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 Airport to Washington, D.C. Dulles Intl Airport round-trip?

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

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

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

Can I find deals for flights from Columbus to Dulles Intl that include hotel bookings?

How can I find direct flights from Columbus to Dulles Intl?

Can I find deals for business class flights from Columbus to Dulles Intl?

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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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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.

Top 2 airlines flying from Columbus to Dulles Intl

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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 July 14, 2025.