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Dulles Intl

$64+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
CVG — IAD
Aug 30 — Sep 61
Sun 8/30
Sun 9/6
1 adult, Economy
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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

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Cheapflights Tip: The best prices from Cincinnati Cinci./N. Kentucky to Washington, D.C. Dulles Intl are usually found in November or January, booked 69 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap 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 July 31, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:23 pm
CVG
-
IAD
2 stops13h 57m
Multiple Airlines
Sat 8/228:39 pm
IAD
-
CVG
1 stop14h 42m
Multiple Airlines
Deal found 7/30$203
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:43 pm
CVG
-
IAD
1 stop11h 27m
Frontier
Mon 10/57:50 am
IAD
-
CVG
2 stops13h 28m
Frontier
Deal found 7/30$204
This Frontier deal was found by Cheapflights users on 7/30. 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.
Wed 8/1912:26 pm
CVG
-
IAD
1 stop4h 48m
Frontier
Sun 8/236:20 am
IAD
-
CVG
1 stop5h 01m
Frontier
Deal found 7/30$205
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:26 pm
CVG
-
IAD
2 stops21h 51m
Frontier
Tue 9/159:04 pm
IAD
-
CVG
1 stop14h 34m
Frontier
Deal found 7/26$206
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:00 am
CVG
-
IAD
2 stops15h 10m
Frontier
Thu 9/179:04 pm
IAD
-
CVG
1 stop14h 34m
Frontier
Deal found 7/27$207
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Sun 8/2310:22 am
CVG
-
IAD
Nonstop1h 30m
United Airlines
Sat 8/2912:35 pm
IAD
-
CVG
Nonstop1h 34m
United Airlines
Deal found 7/26$208
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:00 am
CVG
-
IAD
2 stops15h 10m
Frontier
Mon 9/149:04 pm
IAD
-
CVG
1 stop14h 34m
Frontier
Deal found 7/28$209
This United Airlines deal was found by Cheapflights users on 7/27. 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 8/147:50 pm
CVG
-
IAD
Nonstop1h 40m
United Airlines
Mon 8/178:45 am
IAD
-
CVG
Nonstop1h 34m
United Airlines
Deal found 7/27$210
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:48 pm
CVG
-
IAD
1 stop4h 48m
Frontier
Sun 10/189:16 pm
IAD
-
CVG
2 stops26h 47m
Frontier
Deal found 7/29$211
This United Airlines deal was found by Cheapflights users on 7/28. 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 9/1110:22 am
CVG
-
IAD
Nonstop1h 30m
United Airlines
Wed 9/2312:35 pm
IAD
-
CVG
Nonstop1h 34m
United Airlines
Deal found 7/28$212
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:26 pm
CVG
-
IAD
1 stop10h 26m
Frontier
Fri 8/216:20 am
IAD
-
CVG
1 stop5h 01m
Frontier
Deal found 7/27$213
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Mon 9/2110:22 am
CVG
-
IAD
Nonstop1h 30m
United Airlines
Sat 9/2612:35 pm
IAD
-
CVG
Nonstop1h 35m
United Airlines
Deal found 7/30$214

Find 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 July 31, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$203
(Kiwi.com)

One-way from

$64
(Kiwi.com)

Popular in

May

Cheapest in

November

Average price

$297

Good round-trip deal

$370 or less

Good one-way deal

$318 or less
Provider with most accurate pricing for Cincinnati Cinci./N. Kentucky-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Cincinnati Cinci./N. Kentucky-Washington, D.C. Dulles Intl flights.
Search Deals
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. 11% potential increase in price ($43 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 July 2026
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

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 July 31, 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

Cheapest round-trip
Quickest round-trip

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Sat 8/22

10:22 am-11:52 am

Nonstop1h 30m

Washington, D.C. Dulles Intl

Mon 9/14

8:45 am-10:19 am

Nonstop1h 34m

$221

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Wed 9/9

7:52 pm-9:30 pm

Nonstop1h 38m

Washington, D.C. Dulles Intl

Tue 9/15

12:35 pm-2:09 pm

Nonstop1h 34m

$224

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Fri 8/21

10:22 am-11:52 am

Nonstop1h 30m

Washington, D.C. Dulles Intl

Fri 9/18

8:45 am-10:19 am

Nonstop1h 34m

$259

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Fri 8/21

10:22 am-11:52 am

Nonstop1h 30m

Washington, D.C. Dulles Intl

Sun 9/13

5:25 pm-7:06 pm

Nonstop1h 41m

$259

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Fri 9/18

10:22 am-11:52 am

Nonstop1h 30m

Washington, D.C. Dulles Intl

Sun 9/20

12:35 pm-2:10 pm

Nonstop1h 35m

$259

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Wed 8/19

10:22 am-11:52 am

Nonstop1h 30m

Washington, D.C. Dulles Intl

Sun 8/23

8:45 am-10:19 am

Nonstop1h 34m

$278

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Fri 10/9

7:37 pm-12:42 am

1 stop5h 05m

Washington, D.C. Dulles Intl

Sun 10/11

6:05 am-9:40 am

1 stop3h 35m

$279

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Fri 9/18

6:00 am-11:30 am

1 stop5h 30m

Washington, D.C. Dulles Intl

Sun 9/20

6:10 am-9:44 am

1 stop3h 34m

$279

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Fri 8/14

10:22 am-11:52 am

Nonstop1h 30m

Washington, D.C. Dulles Intl

Wed 8/19

12:35 pm-2:11 pm

Nonstop1h 36m

$289

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Thu 8/13

10:22 am-11:52 am

Nonstop1h 30m

Washington, D.C. Dulles Intl

Sun 8/16

8:45 am-10:19 am

Nonstop1h 34m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Cincinnati to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Cincinnati to Dulles Intl in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Cincinnati-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cincinnati-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Cincinnati-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Cincinnati-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Cincinnati-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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?

The best time to book flights from Cincinnati to Washington, D.C. Dulles Intl Airport is 67 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, November is the cheapest month in which you can book a flight from Cincinnati to Washington, D.C. Dulles Intl Airport (average of $273). Flying from Cincinnati to Washington, D.C. Dulles Intl Airport in May is currently the most expensive (average of $369). 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 July 31, 2026.

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 54% 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 July 25, 2026.

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.

How much does it cost to fly round-trip from Cincinnati to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment.

Cincinnati to Washington, D.C. Dulles Intl Airport flights typically cost between $284 and $359 in August.
The cheapest round-trip price found within the last 5 days was $203 on Multiple Airlines (Aug 20-Aug 22).

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

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Cincinnati to Washington, D.C. Dulles Intl Airport trip
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines

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

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 July 31, 2026.
Read through reviews of airlines operating flights from Cincinnati to Washington, D.C. Dulles Intl Airport, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,053 reviews

Crew

8.1

Comfort

7.3

Food

6.7

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
10,053 reviews
United Airlines
7.4
Good
10,053 reviews

Crew

8.1

Comfort

7.3

Food

6.7

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 11 flights from Cinci./N. Kentucky to Washington, D.C. Dulles Intl per day from 1 airline.

  • 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 30m. United Airlines provides one of the quickest options available for as low as $221. There are 387 mi between Cincinnati and Washington, D.C. Dulles Intl Airport. Most flights are nonstop.

  • What is the cheapest airline to fly 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 United Airlines. Our recent data shows that you can find tickets from as low as $189 on this airline. United Airlines is 40% 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: Republic Airways (90%), Copa Airlines (88%), Mesa Airlines( 88%).

  • 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 $193. While the most popular route (Cincinnati Cinci./N. Kentucky - Washington, D.C. Dulles Intl) can be booked for $131 on average, our data indicates $2,210 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, November is the cheapest month in which you can book a flight from Cincinnati to Washington, D.C. Dulles Intl Airport (average of $273). Flying from Cincinnati to Washington, D.C. Dulles Intl Airport in May is currently the most expensive (average of $369). 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
Alexandria
Owings Mills
Arlington
Tysons
Springfield
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Falls Church
Hanover
Laurel
Sterling
Clinton
Hunt Valley
Cordova
Woodbridge

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Cincinnati to Dulles Intl

Discover the top airline 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 July 31, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$189Average$319FlexibilityNo cancel feeOn-time69%

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