HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$89+ Cheap flights from Cincinnati (CVG) 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
CVG — IAD
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Cincinnati 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 Cincinnati Cinci./N. Kentucky to Washington, D.C. Dulles Intl are usually found in February or June, booked 77 days in advance, depart on a Friday or Saturday and return on a Saturday

Cheap flight deals from Cincinnati to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Cincinnati (CVG) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 20, 2025.

Round-trip from

$178
(Frontier)

One-way from

$89
(Frontier)

Popular in

March

Cheapest in

February

Average price

$328

Good round-trip deal

$574 or less

Good one-way deal

$269 or less
From Cincinnati Cinci./N. Kentucky to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Cincinnati Cinci./N. Kentucky to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($3 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 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 Cincinnati Cinci./N. Kentucky to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Cincinnati Cinci./N. Kentucky to Washington, D.C. Dulles Intl.
Search Deals

Find flight deals from Cincinnati to Dulles Intl

Cheapest flights from Cincinnati to Dulles Intl
Explore the most affordable flight options available from Cincinnati to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This Frontier deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/3012:00 pmCVG - IAD
1 stop11h 00mFrontier
Wed 9/39:30 amIAD - CVG
1 stop7h 11mFrontier
Deal found 8/20$178
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/207:25 pmCVG - IAD
Nonstop1h 35mUnited Airlines
Mon 9/228:51 amIAD - CVG
Nonstop1h 39mUnited Airlines
Deal found 8/18$179
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/137:25 pmCVG - IAD
Nonstop1h 35mUnited Airlines
Sat 9/208:51 amIAD - CVG
Nonstop1h 39mUnited Airlines
Deal found 8/18$184
This FlightHub deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/258:00 amCVG - IAD
1 stop12h 53mFrontier
Wed 10/298:47 amIAD - CVG
1 stop8h 23mFrontier
Deal found 8/20$185
This Frontier deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1112:02 pmCVG - IAD
2 stops12h 13mFrontier
Mon 9/157:14 pmIAD - CVG
1 stop5h 43mFrontier
Deal found 8/18$186
This FlightHub deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/215:59 pmCVG - IAD
1 stop6h 17mFrontier
Wed 8/279:30 amIAD - CVG
1 stop7h 11mFrontier
Deal found 8/19$187
This Frontier deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/296:00 amCVG - IAD
1 stop11h 57mFrontier
Sat 9/67:00 amIAD - CVG
1 stop9h 39mFrontier
Deal found 8/19$188
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:35 pmCVG - IAD
Nonstop1h 37mUnited Airlines
Mon 10/2712:35 pmIAD - CVG
Nonstop1h 40mUnited Airlines
Deal found 8/19$189
This Frontier deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/135:44 pmCVG - IAD
2 stops15h 33mFrontier
Sat 9/207:00 amIAD - CVG
1 stop9h 39mFrontier
Deal found 8/18$190
This FlightHub deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/105:59 pmCVG - IAD
1 stop18h 00mFrontier
Mon 10/136:15 amIAD - CVG
1 stop10h 55mFrontier
Deal found 8/19$191
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/510:19 amCVG - IAD
Nonstop1h 36mUnited Airlines
Sat 9/135:17 pmIAD - CVG
Nonstop1h 40mUnited Airlines
Deal found 8/19$194

Cheapflights Fare Finder

 
Customize your flight search to find flights from Cincinnati to Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated August 20, 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

Cincinnati

Fly to

Dulles Intl

Route

Depart

Return

Price

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Sat 8/30

12:00 pm-11:00 pm

1 stop11h 00m

Washington, D.C. Dulles Intl

Wed 9/3

9:30 am-4:41 pm

1 stop7h 11m

$178

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Sat 9/20

5:44 pm-11:55 pm

1 stop6h 11m

Washington, D.C. Dulles Intl

Wed 9/24

9:15 am-2:23 pm

1 stop5h 08m

$178

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Sat 10/18

10:50 am-3:26 pm

1 stop4h 36m

Washington, D.C. Dulles Intl

Sat 10/25

9:38 pm-12:55 pm

1 stop15h 17m

$178

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Wed 10/22

7:35 pm-9:12 pm

Nonstop1h 37m

Washington, D.C. Dulles Intl

Sun 10/26

8:45 am-10:22 am

Nonstop1h 37m

$179

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Sat 10/4

6:00 am-7:35 am

Nonstop1h 35m

Washington, D.C. Dulles Intl

Mon 10/6

8:40 am-10:20 am

Nonstop1h 40m

$179

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Sat 9/20

7:25 pm-9:00 pm

Nonstop1h 35m

Washington, D.C. Dulles Intl

Mon 9/22

8:51 am-10:30 am

Nonstop1h 39m

$179

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Thu 11/20

7:40 pm-9:16 pm

Nonstop1h 36m

Washington, D.C. Dulles Intl

Sun 11/23

12:35 pm-2:15 pm

Nonstop1h 40m

$179

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Tue 12/2

7:45 pm-9:20 pm

Nonstop1h 35m

Washington, D.C. Dulles Intl

Tue 12/9

12:35 pm-2:16 pm

Nonstop1h 41m

$179

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Tue 1/13

2:45 pm-4:15 pm

Nonstop1h 30m

Washington, D.C. Dulles Intl

Sun 1/18

5:10 pm-6:58 pm

Nonstop1h 48m

$179

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Sat 9/20

10:19 am-11:55 am

Nonstop1h 36m

Washington, D.C. Dulles Intl

Wed 9/24

12:40 pm-2:11 pm

Nonstop1h 31m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 19 results
1
2

The best insider tips for Cincinnati to Washington, D.C. Dulles Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Cincinnati to Washington, D.C. Dulles Intl Airport trip
Airlines
United Airlines

United's Economy Plus offers extra legroom and priority boarding for a more comfortable journey.


Prepay checked bags 24 hours before flight to save on fees.

Read more about United Airlinesby Harriet Baskas
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more

Best time to book a flight from Cincinnati to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Cincinnati 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 Cincinnati to Washington, D.C. Dulles Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Cincinnati to Dulles Intl. Price data was last updated on August 8, 2025.

The best time to book flights from Cincinnati to Washington, D.C. Dulles Intl Airport is 77 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Cincinnati to Washington, D.C. Dulles Intl Airport?

Currently, July is the cheapest month in which you can book a flight from Cincinnati to Washington, D.C. Dulles Intl Airport (average of $303). Flying from Cincinnati 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 CVG to IAD?

Find hourly flight availability from Cincinnati 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 20, 2025.

It’s optimal to fly from Cincinnati to Washington, D.C. Dulles Intl Airport in the morning. By choosing this option you can save up to 53% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Cincinnati to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Cincinnati to Dulles Intl. Price data was last updated on August 17, 2025.

Travelers seeking maximum savings on their Cincinnati to Washington, D.C. Dulles Intl Airport flight should consider departing on Friday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated August 20, 2025.
Read through reviews of airlines operating flights from Cincinnati to Washington, D.C. Dulles Intl Airport, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,928 reviews
Delta
8.0
Very good
7,982 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Cincinnati 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 airport do you fly from for flights from Cincinnati to Washington, D.C. Dulles Intl?

    If you book a flight to Washington, D.C. Dulles Intl from Cincinnati, you will be flying from Cinci./N. Kentucky, which is the city’s only airport. Cincinnati Cinci./N. Kentucky (CVG) is located 8.8 mi from the center of Cincinnati. There are 4 flights from Cinci./N. Kentucky to Washington, D.C. Dulles Intl per day from 2 different airlines.

  • How long is the flight from Cincinnati to Washington, D.C. Dulles Intl Airport?

    A quick flight from Cincinnati to Washington, D.C. Dulles Intl Airport can take about 1h 37m. Frontier provides one of the quickest options available for as low as $179. There are 387 mi between Cincinnati and Washington, D.C. Dulles Intl Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Cincinnati to Washington, D.C. Dulles Intl Airport round-trip?

    Our cheapest airline available from Cincinnati to Washington, D.C. Dulles Intl Airport is Delta. Our recent data shows that you can find tickets from as low as $178 on this airline. An additional option worth looking into is United Airlines, starting at $189. Delta is 37% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from Cincinnati to Washington, D.C. Dulles Intl Airport?

    Before booking your flight to Washington, D.C. Dulles Intl Airport from Cincinnati, check out the most reliable airlines to get you to your destination on time: Avianca (98%), CommutAir (73%), Copa Airlines( 73%).

  • What are the cheapest flights from Cincinnati to Washington, D.C. Dulles Intl Airport?

    Looking at all options, your cheapest flight can be booked for $128. While the most popular route (Cincinnati Cinci./N. Kentucky - Washington, D.C. Dulles Intl) can be booked for $164 on average our data indicates $1,815 when flying from Cincinnati to Washington, D.C. Dulles Intl Airport.

  • Can I find deals for flights from Cincinnati to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Cincinnati to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Cincinnati to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cincinnati to Dulles Intl.

  • Can I find deals for business class flights from Cincinnati to Dulles Intl?

    Yes. Cheapflights offers flight deals from Cincinnati 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 Cincinnati to Washington, D.C. Dulles Intl Airport?

    Currently, July is the cheapest month in which you can book a flight from Cincinnati to Washington, D.C. Dulles Intl Airport (average of $303). Flying from Cincinnati 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Cincinnati to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Detroit to Reagan-National flights
Detroit to Dulles Intl flights
Detroit to Baltimore flights
Cincinnati to Baltimore flights
Columbus to Dulles Intl flights
Cincinnati to Reagan-National flights
Cleveland to Baltimore flights
Columbus to Baltimore flights
Cleveland to Dulles Intl flights
Pittsburgh to Dulles Intl flights
Columbus to Reagan-National flights
Dayton to Reagan-National flights
Cleveland to Reagan-National flights
Pittsburgh to Baltimore flights
Dayton to Dulles Intl flights
Pittsburgh to Reagan-National flights
Akron to Reagan-National flights
Dayton to Baltimore flights
Akron to Dulles Intl flights
Akron to Baltimore flights
Erie to Reagan-National flights
Erie to Dulles Intl flights
Toledo to Baltimore flights
Erie to Baltimore flights
Toledo to Reagan-National flights
Toledo to Dulles Intl flights

Top 2 airlines flying from Cincinnati to Dulles Intl

Discover the top 2 airlines that operate flights from Cincinnati to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$178Average$259FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$189Average$281FlexibilityNo cancel feeOn-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.