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 $954, our data shows the cheapest flight currently is $125. When looking at the most popular route, (Columbus - Washington, D.C. Dulles Intl), you can expect to pay $155 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 (92%), ANA (92%) or Air China (83%) 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 August tends to be the cheapest month to fly to Washington, D.C. Dulles Intl Airport from Columbus Airport. Users have commonly found prices around $262 for the month, but tickets can be as low as $129. Due to multiple factors, prepare for potentially higher prices in November.

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.

$73+ Cheap Flights from Columbus Airport to Washington, D.C. Dulles Intl Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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 June or November, booked 40 days in advance, depart on a Thursday or Wednesday and return on a Saturday

Cheap flight deals from Columbus to Dulles Intl

Round-trip from	$155 (United Airlines)
One-way from	$73 (Priceline)
Popular in	January
Cheapest in	June
Average price	$299
Good round-trip deal	$594 or less
Good one-way deal	$237 or less

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. 4% potential increase in price ($16 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Price to beat on a round-trip flight from Columbus to Washington, D.C. Dulles Intl.

Search Deals

Price to beat on a one-way flight from Columbus to Washington, D.C. Dulles Intl.

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 August 14, 2025.

Tue 9/27:56 pmCMH - IAD

Nonstop1h 18mUnited Airlines

Wed 9/35:36 pmIAD - CMH

Nonstop1h 20mUnited Airlines

Deal found 8/12

$155

Fri 9/126:40 pmCMH - IAD

1 stop5h 35mFrontier

Sat 9/137:14 pmIAD - CMH

1 stop15h 07mFrontier

Deal found 8/14

$160

Fri 8/224:53 pmCMH - IAD

1 stop7h 23mFrontier

Sat 9/67:14 pmIAD - CMH

1 stop15h 07mFrontier

Deal found 8/14

$166

Thu 11/611:09 amCMH - IAD

1 stop8h 42mFrontier

Sat 11/88:36 pmIAD - CMH

1 stop13h 43mFrontier

Deal found 8/14

$171

Sun 9/286:05 amCMH - IAD

Nonstop1h 23mUnited Airlines

Wed 10/112:40 pmIAD - CMH

Nonstop1h 26mUnited Airlines

Deal found 8/13

$175

Tue 11/412:18 pmCMH - IAD

1 stop4h 11mDelta

Tue 11/116:10 amIAD - CMH

1 stop3h 33mDelta

Deal found 8/14

$177

Fri 8/224:53 pmCMH - IAD

1 stop7h 23mFrontier

Mon 8/256:10 amIAD - CMH

1 stop9h 58mFrontier

Deal found 8/14

$179

Sat 10/251:04 pmCMH - IAD

1 stop7h 49mFrontier

Sun 10/264:40 pmIAD - CMH

1 stop19h 25mFrontier

Deal found 8/14

$184

Thu 9/2510:32 amCMH - IAD

Nonstop1h 17mUnited Airlines

Sun 9/288:22 amIAD - CMH

Nonstop1h 14mUnited Airlines

Deal found 8/11

$186

Wed 9/36:45 pmCMH - IAD

1 stop4h 41mDelta

Sat 9/66:00 amIAD - CMH

1 stop3h 56mDelta

Deal found 8/12

$187

Mon 9/151:20 pmCMH - IAD

Nonstop1h 22mUnited Airlines

Wed 9/178:20 amIAD - CMH

Nonstop1h 13mUnited Airlines

Deal found 8/12

$191

Fri 8/224:53 pmCMH - IAD

1 stop7h 23mFrontier

Sun 8/249:33 pmIAD - CMH

1 stop16h 36mFrontier

Deal found 8/14

$193

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 August 14, 2025.

Tue 9/27:56 pmCMH - IAD

Nonstop1h 18mUnited Airlines

Wed 9/35:36 pmIAD - CMH

Nonstop1h 20mUnited Airlines

Deal found 8/12

$155

Sun 9/2111:21 amCMH - IAD

1 stop6h 53mFrontier

Mon 9/296:10 amIAD - CMH

1 stop11h 35mFrontier

Deal found 8/14

$160

Wed 9/1710:35 amCMH - IAD

Nonstop1h 15mUnited Airlines

Wed 9/2412:45 pmIAD - CMH

Nonstop1h 18mUnited Airlines

Deal found 8/12

$155

Fri 9/126:40 pmCMH - IAD

1 stop5h 35mFrontier

Sat 9/137:14 pmIAD - CMH

1 stop15h 07mFrontier

Deal found 8/14

$160

Wed 11/53:05 pmCMH - IAD

Nonstop1h 17mUnited Airlines

Wed 11/128:22 amIAD - CMH

Nonstop1h 27mUnited Airlines

Deal found 8/14

$155

Fri 8/224:53 pmCMH - IAD

1 stop7h 23mFrontier

Sat 9/67:14 pmIAD - CMH

1 stop15h 07mFrontier

Deal found 8/14

$166

Mon 9/810:35 amCMH - IAD

Nonstop1h 15mUnited Airlines

Wed 9/108:20 amIAD - CMH

Nonstop1h 13mUnited Airlines

Deal found 8/14

$166

Thu 11/611:09 amCMH - IAD

1 stop8h 42mFrontier

Sat 11/88:36 pmIAD - CMH

1 stop13h 43mFrontier

Deal found 8/14

$171

Tue 10/216:00 amCMH - IAD

Nonstop1h 23mUnited Airlines

Sat 10/2512:40 pmIAD - CMH

Nonstop1h 26mUnited Airlines

Deal found 8/13

$166

Wed 9/36:10 amCMH - IAD

Nonstop1h 23mUnited Airlines

Thu 9/48:20 amIAD - CMH

Nonstop1h 13mUnited Airlines

Deal found 8/13

$166

Mon 9/1510:35 amCMH - IAD

Nonstop1h 15mUnited Airlines

Tue 9/1610:15 pmIAD - CMH

Nonstop1h 28mUnited Airlines

Deal found 8/12

$166

Sun 9/286:05 amCMH - IAD

Nonstop1h 23mUnited Airlines

Wed 10/112:40 pmIAD - CMH

Nonstop1h 26mUnited Airlines

Deal found 8/13

$175

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

Wed 8/2010:35 amCMH - IAD

Nonstop1h 15mUnited Airlines

Thu 8/218:20 amIAD - CMH

Nonstop1h 13mUnited Airlines

Deal found 8/13

$427

Fri 8/224:53 pmCMH - IAD

1 stop7h 23mFrontier

Sat 9/67:14 pmIAD - CMH

1 stop15h 07mFrontier

Deal found 8/14

$166

Fri 8/224:53 pmCMH - IAD

1 stop7h 23mFrontier

Mon 8/256:10 amIAD - CMH

1 stop9h 58mFrontier

Deal found 8/14

$179

Fri 8/224:53 pmCMH - IAD

1 stop7h 23mFrontier

Sun 8/249:33 pmIAD - CMH

1 stop16h 36mFrontier

Deal found 8/14

$193

Fri 8/226:34 pmCMH - IAD

2 stops18h 30mMultiple Airlines

Sun 8/244:56 pmIAD - CMH

2 stops28h 50mMultiple Airlines

Deal found 8/14

$315

Fri 8/227:56 pmCMH - IAD

Nonstop1h 27mUnited Airlines

Sat 9/612:48 pmIAD - CMH

Nonstop1h 26mUnited Airlines

Deal found 8/14

$339

Sat 8/3012:10 pmCMH - IAD

1 stop5h 24mDelta

Tue 9/26:00 amIAD - CMH

1 stop5h 15mDelta

Deal found 8/13

$196

Wed 9/311:55 amCMH - IAD

1 stop7h 48mDelta

Thu 9/46:00 amIAD - CMH

1 stop5h 15mDelta

Deal found 8/13

$187

Fri 9/126:40 pmCMH - IAD

1 stop5h 35mFrontier

Sat 9/137:14 pmIAD - CMH

1 stop15h 07mFrontier

Deal found 8/14

$160

Sat 9/136:08 amCMH - IAD

1 stop5h 20mDelta

Mon 9/159:50 amIAD - CMH

1 stop3h 40mDelta

Deal found 8/13

$197

Sun 9/146:10 amCMH - IAD

Nonstop1h 23mUnited Airlines

Wed 9/178:20 amIAD - CMH

Nonstop1h 13mUnited Airlines

Deal found 8/13

$201

Thu 9/1810:35 amCMH - IAD

Nonstop1h 15mUnited Airlines

Sun 9/218:20 amIAD - CMH

Nonstop1h 13mUnited Airlines

Deal found 8/13

$186

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 August 14, 2025.

Mon 9/86:40 pmCMH - IAD

1 stop5h 35mFrontier

Deal found 8/14

$73

Fri 9/126:40 pmCMH - IAD

1 stop5h 35mFrontier

Deal found 8/14

$77

Wed 10/226:00 amCMH - IAD

Nonstop1h 23mUnited Airlines

Deal found 8/14

$78

Mon 8/254:53 pmCMH - IAD

1 stop7h 23mFrontier

Deal found 8/14

$79

Mon 10/131:25 pmCMH - IAD

1 stop10h 46mFrontier

Deal found 8/14

$82

Wed 9/1712:27 pmCMH - IAD

1 stop3h 40mDelta

Deal found 8/14

$89

Sat 8/235:03 pmCMH - IAD

1 stop5h 57mFrontier

Deal found 8/13

$92

Sat 10/411:31 amCMH - IAD

1 stop6h 53mFrontier

Deal found 8/14

$95

Mon 11/35:17 pmCMH - IAD

1 stop6h 54mFrontier

Deal found 8/13

$97

Sun 10/126:05 amCMH - IAD

Nonstop1h 23mUnited Airlines

Deal found 8/14

$98

Thu 10/27:07 amCMH - IAD

1 stop4h 50mDelta

Deal found 8/13

$99

Mon 11/105:17 pmCMH - IAD

1 stop6h 54mFrontier

Deal found 8/13

$102

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

Tue 9/2

7:56 pm-9:14 pm

Nonstop1h 18m

Washington, D.C. Dulles Intl

Wed 9/3

5:36 pm-6:56 pm

Nonstop1h 20m

$155

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Wed 9/17

10:35 am-11:50 am

Nonstop1h 15m

Washington, D.C. Dulles Intl

Wed 9/24

12:45 pm-2:03 pm

Nonstop1h 18m

$155

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Wed 11/5

3:05 pm-4:22 pm

Nonstop1h 17m

Washington, D.C. Dulles Intl

Wed 11/12

8:22 am-9:49 am

Nonstop1h 27m

$155

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Sun 9/21

11:21 am-6:14 pm

1 stop6h 53m

Washington, D.C. Dulles Intl

Mon 9/29

6:10 am-5:45 pm

1 stop11h 35m

$160

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Fri 9/12

6:40 pm-12:15 am

1 stop5h 35m

Washington, D.C. Dulles Intl

Sat 9/13

7:14 pm-10:21 am

1 stop15h 07m

$160

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Fri 8/22

4:53 pm-12:16 am

1 stop7h 23m

Washington, D.C. Dulles Intl

Sat 9/6

7:14 pm-10:21 am

1 stop15h 07m

$166

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Mon 9/8

10:35 am-11:50 am

Nonstop1h 15m

Washington, D.C. Dulles Intl

Wed 9/10

8:20 am-9:33 am

Nonstop1h 13m

$166

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Tue 10/21

6:00 am-7:23 am

Nonstop1h 23m

Washington, D.C. Dulles Intl

Sat 10/25

12:40 pm-2:06 pm

Nonstop1h 26m

$166

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Wed 9/3

6:10 am-7:33 am

Nonstop1h 23m

Washington, D.C. Dulles Intl

Thu 9/4

8:20 am-9:33 am

Nonstop1h 13m

$166

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Mon 9/15

10:35 am-11:50 am

Nonstop1h 15m

Washington, D.C. Dulles Intl

Tue 9/16

10:15 pm-11:43 pm

Nonstop1h 28m

$166

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 24 results

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 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, July is the cheapest month in which you can book a flight from Columbus Airport to Washington, D.C. Dulles Intl Airport (average of $302). 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 39% 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 (30 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

Reviews of airlines servicing Dulles Intl

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

8,916 reviews

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

8,916 reviews

United Airlines

7.4

Good

8,916 reviews

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

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 (92%), ANA (92%) or Air China (83%) 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 $954, our data shows the cheapest flight currently is $125. When looking at the most popular route, (Columbus - Washington, D.C. Dulles Intl), you can expect to pay $155 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, July is the cheapest month in which you can book a flight from Columbus Airport to Washington, D.C. Dulles Intl Airport (average of $302). 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

Woodbridge

Arlington

Alexandria

Tysons

Silver Spring

Springfield

Fredericksburg

Gaithersburg

Towson

Linthicum Heights

Fairfax

Manassas

Falls Church

Laurel

Rockville

Oxon Hill

National Harbor

Dundalk

Waldorf

Bowie

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Columbus to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$187	Average$297	FlexibilityNo cancel fee	On-time69%

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.

$73+ 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 10/30. 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 June or November, booked 40 days in advance, depart on a Thursday or Wednesday 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 August 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 August 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 August 8, 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 August 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 August 10, 2025.

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

Reviews of airlines servicing Dulles Intl

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.

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

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?

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.

Top airline flying from Columbus to Dulles Intl

100% Free

Book with Flexibility

Travel Smart

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 August 14, 2025.