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Cheap flights from Cincinnati to Washington, D.C. from $90

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 10/31. 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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Cheap round-trip flights

Frontier Logo
6:35 am - 7:14 pmCVG-IAD
12h 39m1 stop
Frontier Logo
6:15 am - 5:10 pmIAD-CVG
10h 55m1 stop
$182Frontier
Find Deal
lun., oct. 20 - lun., oct. 27
Frontier Logo
7:26 pm - 6:24 pmCVG-IAD
22h 58m1 stop
Frontier Logo
7:14 pm - 12:57 amIAD-CVG
5h 43m1 stop
$183Frontier
Find Deal
vie., sep. 19 - lun., sep. 22
United Airlines Logo
10:15 am - 11:51 amCVG-IAD
1h 36mnonstop
United Airlines Logo
10:16 pm - 11:59 pmIAD-CVG
1h 43mnonstop
$184United Airlines
Find Deal
vie., oct. 31 - dom., nov. 2
Frontier Logo
3:10 pm - 7:07 pmCVG-IAD
27h 57m1 stop
Frontier Logo
3:10 pm - 6:37 pmIAD-CVG
27h 27m1 stop
$185Frontier
Find Deal
mié., oct. 15 - dom., oct. 19
Frontier Logo
1:21 pm - 12:15 amCVG-IAD
10h 54m1 stop
Frontier Logo
1:55 pm - 12:57 amIAD-CVG
11h 02m2 stops
$186Frontier
Find Deal
dom., sep. 21 - jue., sep. 25
United Airlines Logo
6:00 am - 7:35 amCVG-IAD
1h 35mnonstop
United Airlines Logo
8:40 am - 10:20 amIAD-CVG
1h 40mnonstop
$189United Airlines
Find Deal
vie., oct. 3 - dom., oct. 5
United Airlines Logo
10:19 am - 11:55 amCVG-IAD
1h 36mnonstop
United Airlines Logo
12:41 pm - 2:16 pmIAD-CVG
1h 35mnonstop
$194United Airlines
Find Deal
vie., sep. 26 - dom., sep. 28
United Airlines Logo
7:25 pm - 9:00 pmCVG-IAD
1h 35mnonstop
United Airlines Logo
12:40 pm - 2:11 pmIAD-CVG
1h 31mnonstop
$199United Airlines
Find Deal
sáb., sep. 20 - mié., sep. 24
Delta Logo
4:53 pm - 11:18 pmCVG-IAD
6h 25m1 stop
Delta Logo
7:05 am - 11:18 amIAD-CVG
4h 13m1 stop
$251Delta
Find Deal
mié., oct. 8 - mié., oct. 15
Delta Logo
7:00 am - 11:31 amCVG-IAD
4h 31m1 stop
Delta Logo
6:00 am - 11:09 amIAD-CVG
5h 09m1 stop
$255Delta
Find Deal
mié., nov. 12 - jue., nov. 13

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
Oct 31
CVG10:15 amCincinnati Cinci./N. Kentucky
1h 36m
IAD11:51 amWashington, D.C. Dulles Intl
Nov 2
IAD10:16 pmWashington, D.C. Dulles Intl
1h 43m
CVG11:59 pmCincinnati Cinci./N. Kentucky
$184
Find similar
United Airlines
Oct 3
CVG6:00 amCincinnati Cinci./N. Kentucky
1h 35m
IAD7:35 amWashington, D.C. Dulles Intl
Oct 5
IAD8:40 amWashington, D.C. Dulles Intl
1h 40m
CVG10:20 amCincinnati Cinci./N. Kentucky
$189
Find similar
United Airlines
Sep 26
CVG10:19 amCincinnati Cinci./N. Kentucky
1h 36m
IAD11:55 amWashington, D.C. Dulles Intl
Sep 28
IAD12:41 pmWashington, D.C. Dulles Intl
1h 35m
CVG2:16 pmCincinnati Cinci./N. Kentucky
$194
Find similar

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
Oct 20
CVG6:35 amCincinnati Cinci./N. Kentucky
12h 39m
1 stop
IAD7:14 pmWashington, D.C. Dulles Intl
Oct 27
IAD6:15 amWashington, D.C. Dulles Intl
10h 55m
1 stop
CVG5:10 pmCincinnati Cinci./N. Kentucky
$182
Find similar
Frontier
Sep 19
CVG7:26 pmCincinnati Cinci./N. Kentucky
22h 58m
1 stop
IAD6:24 pmWashington, D.C. Dulles Intl
Sep 22
IAD7:14 pmWashington, D.C. Dulles Intl
5h 43m
1 stop
CVG12:57 amCincinnati Cinci./N. Kentucky
$183
Find similar
Frontier
Oct 15
CVG3:10 pmCincinnati Cinci./N. Kentucky
27h 57m
1 stop
IAD7:07 pmWashington, D.C. Dulles Intl
Oct 19
IAD3:10 pmWashington, D.C. Dulles Intl
27h 27m
1 stop
CVG6:37 pmCincinnati Cinci./N. Kentucky
$185
Find similar

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 septiembre 8, 2025.
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

lun. 10/20

6:35 am-7:14 pm

1 stop12h 39m

Washington, D.C. Dulles Intl

lun. 10/27

6:15 am-5:10 pm

1 stop10h 55m

$182

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

vie. 9/19

7:26 pm-6:24 pm

1 stop22h 58m

Washington, D.C. Dulles Intl

lun. 9/22

7:14 pm-12:57 am

1 stop5h 43m

$183

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

vie. 10/31

10:15 am-11:51 am

Nonstop1h 36m

Washington, D.C. Dulles Intl

dom. 11/2

10:16 pm-11:59 pm

Nonstop1h 43m

$184

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

mié. 10/15

3:10 pm-7:07 pm

1 stop27h 57m

Washington, D.C. Dulles Intl

dom. 10/19

3:10 pm-6:37 pm

1 stop27h 27m

$185

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

dom. 9/21

1:21 pm-12:15 am

1 stop10h 54m

Washington, D.C. Dulles Intl

jue. 9/25

1:55 pm-12:57 am

2 stops11h 02m

$186

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

vie. 10/3

6:00 am-7:35 am

Nonstop1h 35m

Washington, D.C. Dulles Intl

dom. 10/5

8:40 am-10:20 am

Nonstop1h 40m

$189

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

vie. 9/26

10:19 am-11:55 am

Nonstop1h 36m

Washington, D.C. Dulles Intl

dom. 9/28

12:41 pm-2:16 pm

Nonstop1h 35m

$194

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

sáb. 9/20

7:25 pm-9:00 pm

Nonstop1h 35m

Washington, D.C. Dulles Intl

mié. 9/24

12:40 pm-2:11 pm

Nonstop1h 31m

$199

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

mié. 10/8

4:53 pm-11:18 pm

1 stop6h 25m

Washington, D.C. Dulles Intl

mié. 10/15

7:05 am-11:18 am

1 stop4h 13m

$251

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

mié. 11/12

7:00 am-11:31 am

1 stop4h 31m

Washington, D.C. Dulles Intl

jue. 11/13

6:00 am-11:09 am

1 stop5h 09m

$255

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 $249. 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 $679. When flying out on a Thursday, 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 $860.

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 $514 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 $1,063 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 $285 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 $193 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.

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

As of September 2025, prices for Cincinnati to Washington, D.C. Dulles Intl Airport flights are approximately 72% 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

$290

Fastest flight time

1h 33m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Cincinnati in the past 72 hours is $290. The best round-trip flight deal from Cincinnati to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $427.
The fastest flight from Cincinnati to Washington, D.C. Dulles Intl Airport takes 1h 33m
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 30m.

  • 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
DeltaPriceFrom $178Free CancellationRating
7.9
7,966 reviews
Search Delta flights
United AirlinesPriceFrom $189Free CancellationRating
7.4
8,944 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 15 times per week, with 8,944 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 $280 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
Gettysburg
National Harbor
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Silver Spring
Colonial Beach
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Fairfax
Gaithersburg
Glen Burnie

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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