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Cheap flights from Columbus Airport to Washington, D.C. from $79

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Columbus Airport to Washington, D.C. departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Columbus Airport to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:47 pm - 11:13 pm
CMH
-
IAD
4h 26m
1 stop
Delta Logo
6:00 am - 11:23 am
IAD
-
CMH
5h 23m
1 stop
$208Delta
Sat, Jul 18 - Tue, Jul 21
Multiple Airlines Logo
5:44 pm - 10:55 pm
CMH
-
IAD
5h 11m
1 stop
Multiple Airlines Logo
12:00 pm - 10:08 am
IAD
-
CMH
22h 08m
2 stops
$209Multiple Airlines
Tue, Jul 14 - Mon, Jul 20
United Airlines Logo
10:30 am - 11:54 am
CMH
-
IAD
1h 24mnonstop
United Airlines Logo
8:25 am - 9:50 am
IAD
-
CMH
1h 25mnonstop
$214United Airlines
Tue, Aug 4 - Sat, Aug 8
Delta Logo
6:35 am - 10:23 am
CMH
-
IAD
3h 48m
1 stop
Delta Logo
5:25 pm - 11:56 pm
IAD
-
CMH
6h 31m
1 stop
$215Delta
Thu, Aug 6 - Mon, Aug 10
Delta Logo
10:33 am - 4:38 pm
CMH
-
IAD
6h 05m
1 stop
Delta Logo
6:00 am - 11:23 am
IAD
-
CMH
5h 23m
1 stop
$216Delta
Sat, Jul 25 - Mon, Jul 27
Frontier Logo
5:44 pm - 7:38 pm
CMH
-
IAD
25h 54m
2 stops
Frontier Logo
7:49 am - 4:59 pm
IAD
-
CMH
9h 10m
1 stop
$219Frontier
Tue, Jul 14 - Tue, Jul 28
United Airlines Logo
10:30 am - 11:54 am
CMH
-
IAD
1h 24mnonstop
United Airlines Logo
10:15 pm - 11:42 pm
IAD
-
CMH
1h 27mnonstop
$221United Airlines
Tue, Jul 28 - Sat, Aug 1
United Airlines Logo
6:00 am - 7:24 am
CMH
-
IAD
1h 24mnonstop
United Airlines Logo
8:25 am - 9:49 am
IAD
-
CMH
1h 24mnonstop
$222United Airlines
Sat, Jul 18 - Tue, Jul 21
Frontier Logo
10:28 am - 4:07 pm
CMH
-
IAD
5h 39m
1 stop
Frontier Logo
6:20 am - 5:25 pm
IAD
-
CMH
11h 05m
1 stop
$225Frontier
Sat, Aug 22 - Tue, Aug 25
United Airlines Logo
7:59 pm - 9:06 pm
CMH
-
IAD
1h 07mnonstop
United Airlines Logo
10:20 pm - 11:46 pm
IAD
-
CMH
1h 26mnonstop
$226United Airlines
Mon, Nov 2 - Sat, Nov 7

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Frontier flights from Columbus Airport to Washington, D.C. Dulles Intl Airport

Our best Frontier deals on Columbus Airport to Washington, D.C. Dulles Intl Airport flight tickets
Frontier
Jul 14
CMH5:44 pmColumbus
25h 54m
2 stops
IAD7:38 pmWashington, D.C. Dulles Intl
Jul 28
IAD7:49 amWashington, D.C. Dulles Intl
9h 10m
1 stop
CMH4:59 pmColumbus
$219
Frontier
Aug 22
CMH10:28 amColumbus
5h 39m
1 stop
IAD4:07 pmWashington, D.C. Dulles Intl
Aug 25
IAD6:20 amWashington, D.C. Dulles Intl
11h 05m
1 stop
CMH5:25 pmColumbus
$225
Frontier
Jul 21
CMH5:44 pmColumbus
5h 11m
1 stop
IAD10:55 pmWashington, D.C. Dulles Intl
Jul 28
IAD8:33 pmWashington, D.C. Dulles Intl
23h 41m
2 stops
CMH8:14 pmColumbus
$229

United Airlines flights from Columbus Airport to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Columbus Airport to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Jun 30
CMH10:30 amColumbus
1h 24m
IAD11:54 amWashington, D.C. Dulles Intl
Sep 15
IAD8:21 amWashington, D.C. Dulles Intl
1h 25m
CMH9:46 amColumbus
$212
United Airlines
Aug 4
CMH10:30 amColumbus
1h 24m
IAD11:54 amWashington, D.C. Dulles Intl
Aug 8
IAD8:25 amWashington, D.C. Dulles Intl
1h 25m
CMH9:50 amColumbus
$214
United Airlines
Jul 28
CMH10:30 amColumbus
1h 24m
IAD11:54 amWashington, D.C. Dulles Intl
Aug 1
IAD10:15 pmWashington, D.C. Dulles Intl
1h 27m
CMH11:42 pmColumbus
$221

momondo Fare Finder

 
Customize your flight search to find flights from Columbus Airport to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated June 24, 2026.
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

Cheapest round-trip

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Sat 7/18

6:47 pm-11:13 pm

1 stop4h 26m

Washington, D.C. Dulles Intl

Tue 7/21

6:00 am-11:23 am

1 stop5h 23m

$208

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Tue 7/14

5:44 pm-10:55 pm

1 stop5h 11m

Washington, D.C. Dulles Intl

Mon 7/20

12:00 pm-10:08 am

2 stops22h 08m

$209

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Tue 8/4

10:30 am-11:54 am

Nonstop1h 24m

Washington, D.C. Dulles Intl

Sat 8/8

8:25 am-9:50 am

Nonstop1h 25m

$214

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Thu 8/6

6:35 am-10:23 am

1 stop3h 48m

Washington, D.C. Dulles Intl

Mon 8/10

5:25 pm-11:56 pm

1 stop6h 31m

$215

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Sat 7/25

10:33 am-4:38 pm

1 stop6h 05m

Washington, D.C. Dulles Intl

Mon 7/27

6:00 am-11:23 am

1 stop5h 23m

$216

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Tue 7/14

5:44 pm-7:38 pm

2 stops25h 54m

Washington, D.C. Dulles Intl

Tue 7/28

7:49 am-4:59 pm

1 stop9h 10m

$219

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Tue 7/28

10:30 am-11:54 am

Nonstop1h 24m

Washington, D.C. Dulles Intl

Sat 8/1

10:15 pm-11:42 pm

Nonstop1h 27m

$221

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Sat 7/18

6:00 am-7:24 am

Nonstop1h 24m

Washington, D.C. Dulles Intl

Tue 7/21

8:25 am-9:49 am

Nonstop1h 24m

$222

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Sat 8/22

10:28 am-4:07 pm

1 stop5h 39m

Washington, D.C. Dulles Intl

Tue 8/25

6:20 am-5:25 pm

1 stop11h 05m

$225
Quickest round-trip

ColumbusWashington, D.C.

CMH - IAD

CMHIAD

Columbus

Mon 11/2

7:59 pm-9:06 pm

Nonstop1h 07m

Washington, D.C. Dulles Intl

Sat 11/7

10:20 pm-11:46 pm

Nonstop1h 26m

$226

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Columbus Airport to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Columbus Airport and Washington, D.C. Dulles Intl Airport?

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

In general, January is the cheapest month to fly from Columbus Airport to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $268. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $276.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Tuesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $768. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Columbus Airport to Washington, D.C. Dulles Intl Airport for around $924.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Columbus Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $655 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,109 on average. Flights to Washington, D.C. Dulles Intl Airport from Columbus Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Columbus to Washington, D.C. Dulles Intl flight route?

Fly from Columbus to Washington, D.C. Dulles Intl for the best Columbus - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight from Columbus Airport to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Columbus Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $330 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Columbus Airport for as low as $228 on momondo.

What cabin class options are available on Columbus Airport to Washington, D.C. Dulles Intl Airport flights?

There are 4 cabin classes available to choose from on Columbus Airport to Washington, D.C. Dulles Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Columbus Airport to Washington, D.C. Dulles Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Columbus Airport to Washington, D.C. Dulles Intl Airport.

How have Columbus Airport to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of June 2026, prices for Columbus Airport to Washington, D.C. Dulles Intl Airport flights are approximately 68% more expensive when compared to flights at the same time last year.

When to book flights from Columbus Airport to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Columbus Airport to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Columbus Airport to Washington, D.C. Dulles Intl Airport (CMH to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Columbus Airport to Washington, D.C. Dulles Intl Airport

Best Price Found

$225

Fastest flight time

1h 07m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Columbus Airport in the past 72 hours is $225. The best round-trip flight deal from Columbus Airport to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $862.
The fastest flight from Columbus Airport to Washington, D.C. Dulles Intl Airport takes 1h 07m
Direct flights go from Columbus Airport to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

Frequently asked questions about flying from Columbus Airport to Washington, D.C. Dulles Intl Airport

  • How far is Columbus to Washington, D.C. Dulles Intl by plane?

    A flight from Columbus to Washington, D.C. Dulles Intl will travel around 298.7 mi. Typically, this will take 1h 07m by plane in normal conditions.

  • When did momondo last update prices for flights from Columbus Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Columbus Airport to Washington, D.C. Dulles Intl Airport are updated daily.

  • How many operators does momondo search for flights from Columbus Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Columbus Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Columbus Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Columbus Airport to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from Columbus Airport to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Columbus Airport to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Columbus Airport to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $197Free CancellationRating
7.4
9,881 reviews
Search United Airlines flights

  • United Airlines Flights From Columbus Airport to Washington, D.C. Dulles Intl Airport

    United Airlines flies from Columbus Airport to Washington, D.C. Dulles Intl Airport around 11 times per week, with 9,881 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Columbus Airport to Washington, D.C. Dulles Intl Airport in the last 72 hours was $197 (round-trip), much lower than the average airfare cost of $316 for United Airlines flights on this route.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Arlington
Gettysburg
Winchester
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Colonial Beach
Linthicum Heights
Rockville
Silver Spring
Towson
Manassas
Sterling
Tysons
Springfield
Fairfax

Why use momondo?

Why should I use momondo to find a flight deal from Columbus to Washington, D.C.?

It is quick and easy to find Columbus to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

Can I find flights from Columbus to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Columbus to Washington, D.C. flights to just show those with flexible booking policies.

How can momondo help me find flights from Columbus to Washington, D.C.?

Once you have performed a search for Columbus to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Columbus to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Columbus to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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