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Cheap flights from Cincinnati to Washington, D.C. from $70

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cincinnati to Washington, D.C. departing on 2/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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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
7:43 pm - 9:18 pm
CVG
-
IAD
1h 35mnonstop
United Airlines Logo
12:35 pm - 2:19 pm
IAD
-
CVG
1h 44mnonstop
$180United Airlines
Thu, Mar 12 - Sat, Mar 14
Frontier Logo
5:45 am - 5:54 pm
CVG
-
IAD
12h 09m
1 stop
Frontier Logo
4:01 pm - 12:37 am
IAD
-
CVG
8h 36m
1 stop
$181Frontier
Thu, Apr 9 - Mon, Apr 13
United Airlines Logo
6:00 am - 7:32 am
CVG
-
IAD
1h 32mnonstop
United Airlines Logo
8:15 am - 9:55 am
IAD
-
CVG
1h 40mnonstop
$189United Airlines
Fri, May 22 - Mon, May 25
Frontier Logo
3:20 pm - 9:25 am
CVG
-
IAD
18h 05m
1 stop
Frontier Logo
8:07 pm - 8:30 am
IAD
-
CVG
12h 23m
1 stop
$190Frontier
Wed, Feb 25 - Thu, Feb 26
Frontier Logo
7:04 pm - 9:25 am
CVG
-
IAD
14h 21m
2 stops
Frontier Logo
10:20 am - 12:59 am
IAD
-
CVG
14h 39m
1 stop
$192Frontier
Sat, Feb 28 - Mon, Mar 2
United Airlines Logo
6:00 am - 7:33 am
CVG
-
IAD
1h 33mnonstop
United Airlines Logo
10:15 pm - 11:59 pm
IAD
-
CVG
1h 44mnonstop
$193United Airlines
Wed, Apr 1 - Wed, Apr 8
United Airlines Logo
10:20 am - 11:55 am
CVG
-
IAD
1h 35mnonstop
United Airlines Logo
8:25 am - 10:10 am
IAD
-
CVG
1h 45mnonstop
$203United Airlines
Fri, Feb 13 - Sun, Feb 15
Frontier Logo
8:42 am - 7:20 am
CVG
-
IAD
22h 38m
1 stop
Frontier Logo
8:09 am - 7:23 am
IAD
-
CVG
23h 14m
1 stop
$204Frontier
Wed, Mar 18 - Mon, Mar 23
United Airlines Logo
10:20 am - 11:55 am
CVG
-
IAD
1h 35mnonstop
United Airlines Logo
8:25 am - 10:10 am
IAD
-
CVG
1h 45mnonstop
$206United Airlines
Fri, Feb 13 - Mon, Feb 16
Frontier Logo
5:45 am - 7:20 am
CVG
-
IAD
25h 35m
1 stop
Frontier Logo
8:15 am - 7:23 am
IAD
-
CVG
23h 08m
1 stop
$207Frontier
Wed, Mar 11 - Sun, Mar 15

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
Feb 20
CVG7:45 pmCincinnati Cinci./N. Kentucky
1h 33m
IAD9:18 pmWashington, D.C. Dulles Intl
Feb 25
IAD8:25 amWashington, D.C. Dulles Intl
1h 45m
CVG10:10 amCincinnati Cinci./N. Kentucky
$180
United Airlines
Mar 8
CVG6:00 amCincinnati Cinci./N. Kentucky
1h 28m
IAD7:28 amWashington, D.C. Dulles Intl
Mar 20
IAD10:15 pmWashington, D.C. Dulles Intl
1h 38m
CVG11:53 pmCincinnati Cinci./N. Kentucky
$189
United Airlines
Apr 1
CVG6:00 amCincinnati Cinci./N. Kentucky
1h 33m
IAD7:33 amWashington, D.C. Dulles Intl
Apr 7
IAD5:10 pmWashington, D.C. Dulles Intl
1h 53m
CVG7:03 pmCincinnati Cinci./N. Kentucky
$193

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

Our best Delta deals on Cincinnati to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Feb 20
CVG12:03 pmCincinnati Cinci./N. Kentucky
4h 25m
1 stop
IAD4:28 pmWashington, D.C. Dulles Intl
Feb 25
IAD6:00 amWashington, D.C. Dulles Intl
4h 21m
1 stop
CVG10:21 amCincinnati Cinci./N. Kentucky
$259
Delta
Jan 30
CVG12:01 pmCincinnati Cinci./N. Kentucky
4h 45m
1 stop
IAD4:46 pmWashington, D.C. Dulles Intl
Feb 2
IAD5:26 pmWashington, D.C. Dulles Intl
5h 14m
1 stop
CVG10:40 pmCincinnati Cinci./N. Kentucky
$289
Delta
Jan 30
CVG12:13 pmCincinnati Cinci./N. Kentucky
6h 08m
1 stop
IAD6:21 pmWashington, D.C. Dulles Intl
Feb 1
IAD6:00 amWashington, D.C. Dulles Intl
4h 23m
1 stop
CVG10:23 amCincinnati Cinci./N. Kentucky
$299

momondo Fare Finder

 
Customize your flight search to find flights from Cincinnati 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 January 21, 2026.
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

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Thu 3/12

7:43 pm-9:18 pm

Nonstop1h 35m

Washington, D.C. Dulles Intl

Sat 3/14

12:35 pm-2:19 pm

Nonstop1h 44m

$180

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Thu 4/9

5:45 am-5:54 pm

1 stop12h 09m

Washington, D.C. Dulles Intl

Mon 4/13

4:01 pm-12:37 am

1 stop8h 36m

$181

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Fri 5/22

6:00 am-7:32 am

Nonstop1h 32m

Washington, D.C. Dulles Intl

Mon 5/25

8:15 am-9:55 am

Nonstop1h 40m

$189

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Wed 2/25

3:20 pm-9:25 am

1 stop18h 05m

Washington, D.C. Dulles Intl

Thu 2/26

8:07 pm-8:30 am

1 stop12h 23m

$190

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Sat 2/28

7:04 pm-9:25 am

2 stops14h 21m

Washington, D.C. Dulles Intl

Mon 3/2

10:20 am-12:59 am

1 stop14h 39m

$192

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Wed 4/1

6:00 am-7:33 am

Nonstop1h 33m

Washington, D.C. Dulles Intl

Wed 4/8

10:15 pm-11:59 pm

Nonstop1h 44m

$193

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Fri 2/13

10:20 am-11:55 am

Nonstop1h 35m

Washington, D.C. Dulles Intl

Sun 2/15

8:25 am-10:10 am

Nonstop1h 45m

$203

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Wed 3/18

8:42 am-7:20 am

1 stop22h 38m

Washington, D.C. Dulles Intl

Mon 3/23

8:09 am-7:23 am

1 stop23h 14m

$204

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Fri 2/13

10:20 am-11:55 am

Nonstop1h 35m

Washington, D.C. Dulles Intl

Mon 2/16

8:25 am-10:10 am

Nonstop1h 45m

$206

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Wed 3/11

5:45 am-7:20 am

1 stop25h 35m

Washington, D.C. Dulles Intl

Sun 3/15

8:15 am-7:23 am

1 stop23h 08m

$207

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

In general, February 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 $244. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $249.

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 $626. 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 $854.

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 $468 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 $983 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 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 $286 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 $241 on momondo.

What cabin class options are available on Cincinnati Cinci./N. Kentucky to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on Cincinnati Cinci./N. Kentucky to Washington, D.C. Dulles Intl 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 3% 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 January 2026, prices for Cincinnati to Washington, D.C. Dulles Intl Airport flights are approximately 48% 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

$239

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 $239. The best round-trip flight deal from Cincinnati to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $398.
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

  • 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
7.4
9,191 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 13 times per week, with 9,191 momondo users rating the airline 7.4/10. 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 $283 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
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Rockville
Gaithersburg
Manassas
Harpers Ferry
Sterling
Springfield
Fairfax

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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