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Cheap flights from Cincinnati to Washington, D.C. from $45

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Cincinnati to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:44 pm - 9:22 pmCVG  Cincinnati Cinci./N. Kentucky-IAD Washington, D.C. Dulles Intl
1h 38mnonstop
United Airlines Logo
8:45 am - 10:29 amIAD  Washington, D.C. Dulles Intl-CVG Cincinnati Cinci./N. Kentucky
1h 44mnonstop
$117United Airlines
Sat, Nov 21 - Mon, Nov 23
United Airlines Logo
6:00 am - 7:35 amCVG  Cincinnati Cinci./N. Kentucky-IAD Washington, D.C. Dulles Intl
1h 35mnonstop
United Airlines Logo
10:14 pm - 11:59 pmIAD  Washington, D.C. Dulles Intl-CVG Cincinnati Cinci./N. Kentucky
1h 45mnonstop
$117United Airlines
Thu, Nov 19 - Sat, Nov 21
United Airlines Logo
6:00 am - 7:35 amCVG  Cincinnati Cinci./N. Kentucky-IAD Washington, D.C. Dulles Intl
1h 35mnonstop
United Airlines Logo
8:45 am - 10:29 amIAD  Washington, D.C. Dulles Intl-CVG Cincinnati Cinci./N. Kentucky
1h 44mnonstop
$117United Airlines
Fri, Nov 20 - Mon, Nov 23
United Airlines Logo
6:00 am - 7:35 amCVG  Cincinnati Cinci./N. Kentucky-IAD Washington, D.C. Dulles Intl
1h 35mnonstop
United Airlines Logo
10:17 pm - 11:59 pmIAD  Washington, D.C. Dulles Intl-CVG Cincinnati Cinci./N. Kentucky
1h 42mnonstop
$117United Airlines
Wed, Nov 25 - Wed, Dec 2
United Airlines Logo
6:00 am - 7:35 amCVG  Cincinnati Cinci./N. Kentucky-IAD Washington, D.C. Dulles Intl
1h 35mnonstop
United Airlines Logo
10:17 pm - 11:59 pmIAD  Washington, D.C. Dulles Intl-CVG Cincinnati Cinci./N. Kentucky
1h 42mnonstop
$117United Airlines
Fri, Nov 27 - Fri, Dec 4
United Airlines Logo
10:01 am - 11:39 amCVG  Cincinnati Cinci./N. Kentucky-IAD Washington, D.C. Dulles Intl
1h 38mnonstop
United Airlines Logo
10:17 pm - 11:59 pmIAD  Washington, D.C. Dulles Intl-CVG Cincinnati Cinci./N. Kentucky
1h 42mnonstop
$117United Airlines
Fri, Nov 27 - Fri, Dec 4
United Airlines Logo
6:00 am - 7:35 amCVG  Cincinnati Cinci./N. Kentucky-IAD Washington, D.C. Dulles Intl
1h 35mnonstop
United Airlines Logo
8:45 am - 10:29 amIAD  Washington, D.C. Dulles Intl-CVG Cincinnati Cinci./N. Kentucky
1h 44mnonstop
$117United Airlines
Fri, Nov 20 - Mon, Nov 23
United Airlines Logo
10:01 am - 11:39 amCVG  Cincinnati Cinci./N. Kentucky-IAD Washington, D.C. Dulles Intl
1h 38mnonstop
United Airlines Logo
5:15 pm - 7:00 pmIAD  Washington, D.C. Dulles Intl-CVG Cincinnati Cinci./N. Kentucky
1h 45mnonstop
$117United Airlines
Wed, Nov 18 - Sat, Nov 21
Frontier Logo
10:26 am - 5:38 pmCVG  Cincinnati Cinci./N. Kentucky-IAD Washington, D.C. Dulles Intl
7h 12m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
10:35 pm - 9:11 amIAD  Washington, D.C. Dulles Intl-CVG Cincinnati Cinci./N. Kentucky
10h 36m1 stop Atlanta Hartsfield-Jackson
$120Frontier
Sat, Dec 5 - Tue, Dec 8
Frontier Logo
9:39 am - 2:43 pmCVG  Cincinnati Cinci./N. Kentucky-IAD Washington, D.C. Dulles Intl
5h 04m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
6:37 am - 8:25 pmIAD  Washington, D.C. Dulles Intl-CVG Cincinnati Cinci./N. Kentucky
13h 48m1 stop Atlanta Hartsfield-Jackson
$123Frontier
Thu, Jan 21 - Mon, Jan 25

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

Our best Frontier deals on Cincinnati to Washington, D.C. Dulles Intl Airport flight tickets
Frontier
Dec 5
CVG10:26 amCincinnati Cinci./N. Kentucky
7h 12m
1 stop
IAD5:38 pmWashington, D.C. Dulles Intl
Dec 8
IAD10:35 pmWashington, D.C. Dulles Intl
10h 36m
1 stop
CVG9:11 amCincinnati Cinci./N. Kentucky
$120
Frontier
Dec 6
CVG9:24 amCincinnati Cinci./N. Kentucky
5h 25m
1 stop
IAD2:49 pmWashington, D.C. Dulles Intl
Dec 8
IAD10:35 pmWashington, D.C. Dulles Intl
10h 36m
1 stop
CVG9:11 amCincinnati Cinci./N. Kentucky
$123
Frontier
Dec 11
CVG9:24 amCincinnati Cinci./N. Kentucky
8h 14m
1 stop
IAD5:38 pmWashington, D.C. Dulles Intl
Jan 10
IAD10:37 pmWashington, D.C. Dulles Intl
21h 38m
1 stop
CVG8:15 pmCincinnati Cinci./N. Kentucky
$124

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

Our best United Airlines deals on Cincinnati to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Nov 19
CVG6:00 amCincinnati Cinci./N. Kentucky
1h 35m
IAD7:35 amWashington, D.C. Dulles Intl
Nov 21
IAD10:14 pmWashington, D.C. Dulles Intl
1h 45m
CVG11:59 pmCincinnati Cinci./N. Kentucky
$117
United Airlines
Dec 11
CVG9:55 amCincinnati Cinci./N. Kentucky
1h 38m
IAD11:33 amWashington, D.C. Dulles Intl
Jan 9
IAD5:30 pmWashington, D.C. Dulles Intl
1h 48m
CVG7:18 pmCincinnati Cinci./N. Kentucky
$119
United Airlines
Dec 3
CVG3:00 pmCincinnati Cinci./N. Kentucky
1h 35m
IAD4:35 pmWashington, D.C. Dulles Intl
Dec 6
IAD12:35 pmWashington, D.C. Dulles Intl
1h 44m
CVG2:19 pmCincinnati Cinci./N. Kentucky
$137

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CincinnatiWashington, D.C.

CVG Cincinnati Cinci./N. Kentucky - IAD Washington, D.C. Dulles Intl

CVGIAD

Cincinnati Cinci./N. Kentucky

Sat 11/21

7:44 pm-9:22 pm

Nonstop1h 38m

Washington, D.C. Dulles Intl

Mon 11/23

8:45 am-10:29 am

Nonstop1h 44m

$117

CincinnatiWashington, D.C.

CVG Cincinnati Cinci./N. Kentucky - IAD Washington, D.C. Dulles Intl

CVGIAD

Cincinnati Cinci./N. Kentucky

Thu 11/19

6:00 am-7:35 am

Nonstop1h 35m

Washington, D.C. Dulles Intl

Sat 11/21

10:14 pm-11:59 pm

Nonstop1h 45m

$117

CincinnatiWashington, D.C.

CVG Cincinnati Cinci./N. Kentucky - IAD Washington, D.C. Dulles Intl

CVGIAD

Cincinnati Cinci./N. Kentucky

Fri 11/20

6:00 am-7:35 am

Nonstop1h 35m

Washington, D.C. Dulles Intl

Mon 11/23

8:45 am-10:29 am

Nonstop1h 44m

$117
Quickest round-trip

CincinnatiWashington, D.C.

CVG Cincinnati Cinci./N. Kentucky - IAD Washington, D.C. Dulles Intl

CVGIAD

Cincinnati Cinci./N. Kentucky

Wed 11/25

6:00 am-7:35 am

Nonstop1h 35m

Washington, D.C. Dulles Intl

Wed 12/2

10:17 pm-11:59 pm

Nonstop1h 42m

$117

CincinnatiWashington, D.C.

CVG Cincinnati Cinci./N. Kentucky - IAD Washington, D.C. Dulles Intl

CVGIAD

Cincinnati Cinci./N. Kentucky

Fri 11/27

6:00 am-7:35 am

Nonstop1h 35m

Washington, D.C. Dulles Intl

Fri 12/4

10:17 pm-11:59 pm

Nonstop1h 42m

$117

CincinnatiWashington, D.C.

CVG Cincinnati Cinci./N. Kentucky - IAD Washington, D.C. Dulles Intl

CVGIAD

Cincinnati Cinci./N. Kentucky

Fri 11/27

10:01 am-11:39 am

Nonstop1h 38m

Washington, D.C. Dulles Intl

Fri 12/4

10:17 pm-11:59 pm

Nonstop1h 42m

$117

CincinnatiWashington, D.C.

CVG Cincinnati Cinci./N. Kentucky - IAD Washington, D.C. Dulles Intl

CVGIAD

Cincinnati Cinci./N. Kentucky

Fri 11/20

6:00 am-7:35 am

Nonstop1h 35m

Washington, D.C. Dulles Intl

Mon 11/23

8:45 am-10:29 am

Nonstop1h 44m

$117

CincinnatiWashington, D.C.

CVG Cincinnati Cinci./N. Kentucky - IAD Washington, D.C. Dulles Intl

CVGIAD

Cincinnati Cinci./N. Kentucky

Wed 11/18

10:01 am-11:39 am

Nonstop1h 38m

Washington, D.C. Dulles Intl

Sat 11/21

5:15 pm-7:00 pm

Nonstop1h 45m

$117

CincinnatiWashington, D.C.

CVG Cincinnati Cinci./N. Kentucky - IAD Washington, D.C. Dulles Intl

CVGIAD

Cincinnati Cinci./N. Kentucky

Sat 12/5

10:26 am-5:38 pm

1 stop7h 12m

Washington, D.C. Dulles Intl

Tue 12/8

10:35 pm-9:11 am

1 stop10h 36m

$120

CincinnatiWashington, D.C.

CVG Cincinnati Cinci./N. Kentucky - IAD Washington, D.C. Dulles Intl

CVGIAD

Cincinnati Cinci./N. Kentucky

Thu 1/21

9:39 am-2:43 pm

1 stop5h 04m

Washington, D.C. Dulles Intl

Mon 1/25

6:37 am-8:25 pm

1 stop13h 48m

$123

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 Cincinnati 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 Cincinnati and Washington, D.C. Dulles Intl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $195 to $389.
The lowest price recently found on this route was $117.

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

In general, January is the cheapest month to fly from Cincinnati 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 $279. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of January, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $297.

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

Our data shows that Friday 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 $487. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Cincinnati to Washington, D.C. Dulles Intl Airport for around $845.

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 Cincinnati in the morning is the least expensive time of day to depart. momondo users have found prices as low as $479 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 $1,088 on average. Flights to Washington, D.C. Dulles Intl Airport from Cincinnati at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Cincinnati Cinci./N. Kentucky to Washington, D.C. Dulles Intl flight route?

Fly from Cincinnati Cinci./N. Kentucky to Washington, D.C. Dulles Intl for the best Cincinnati Cinci./N. Kentucky - Washington, D.C. Dulles Intl flight prices

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Cincinnati 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 $329 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 Cincinnati for as low as $189 on momondo.

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

There are 4 cabin classes available to choose from on Cincinnati 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 Cincinnati to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 25% on your flight if you consider stops on a Cincinnati to Washington, D.C. Dulles Intl Airport flight.

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

As of October 2026, prices for Cincinnati to Washington, D.C. Dulles Intl Airport flights are approximately 12% more expensive when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Cincinnati 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 Cincinnati to Washington, D.C. Dulles Intl Airport (CVG to IAD) flight deals and tips

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

Best Price Found

$45

Fastest flight time

1h 32m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Cincinnati in the past 72 hours is $45. The best round-trip flight deal from Cincinnati to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $117.
The fastest flight from Cincinnati to Washington, D.C. Dulles Intl Airport takes 1h 32m
Direct flights go from Cincinnati to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

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

  • How far is Cincinnati Cinci./N. Kentucky to Washington, D.C. Dulles Intl by plane?

    A flight from Cincinnati Cinci./N. Kentucky to Washington, D.C. Dulles Intl will travel around 379.0 mi. By plane, this route typically takes 1h 32m.

  • When did momondo last update prices for flights from Cincinnati Cinci./N. Kentucky Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Cincinnati Cinci./N. Kentucky Airport to Washington, D.C. Dulles Intl Airport are updated daily.

  • How many operators does momondo search for flights from Cincinnati Cinci./N. Kentucky Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Cincinnati Cinci./N. Kentucky Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cincinnati Cinci./N. Kentucky 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 Cincinnati to Washington, D.C. Dulles Intl Airport?

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

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

Compare and see reviews for airlines that fly from Cincinnati to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $189Free CancellationRating
7.3
10,451 reviews
Search United Airlines flights

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

    United Airlines flies from Cincinnati to Washington, D.C. Dulles Intl Airport around 11 times per week, with 10,451 momondo users rating the airline 7.3/10. The cheapest United Airlines deal from Cincinnati to Washington, D.C. Dulles Intl Airport in the last 72 hours was $189 (round-trip), much lower than the average airfare cost of $334 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
Fredericksburg
Laurel
Waldorf
Woodbridge
Gaithersburg
Linthicum Heights
Rockville
Silver Spring
Towson
Sterling
Fairfax
Springfield
Glen Burnie
Edgewood
Chantilly

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Cincinnati to Washington, D.C. for you.

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

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Cincinnati with this policy.

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

Once you have performed a search for Cincinnati 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 Cincinnati to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Cincinnati 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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