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 38m. United Airlines provides one of the quickest options available for as low as $279. 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 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.

Weekly flight availability from Cincinnati to Washington, D.C. Dulles Intl Airport

The most flights from CVG to IAD are scheduled on a Monday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 $183. While the most popular route (Cincinnati Cinci./N. Kentucky - Washington, D.C. Dulles Intl) can be booked for $198 on average, our data indicates $2,605 when flying from Cincinnati to Washington, D.C. Dulles Intl Airport.

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 (84%), Republic Airways (83%), GoJet( 81%).

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.

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

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.

$53+ Cheap Flights from Cincinnati to Washington, D.C. Dulles Intl Airport

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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 36 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap flight deals from Cincinnati to Dulles Intl

Cheapest

Best

Last-minute

One-way

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 September 16, 2026.

Tue 11/312:43 pm -

1 stop4h 29m

Fri 11/67:40 am -

1 stop6h 14m

Deal found 9/11

$161

Tue 10/1312:43 pm -

1 stop4h 30m

Thu 10/1511:12 am -

1 stop12h 36m

Deal found 9/15

$165

Sat 10/312:43 pm -

1 stop4h 35m

Wed 10/79:04 pm -

1 stop10h 46m

Deal found 9/11

$166

Mon 10/2611:05 am -

1 stop23h 16m

Wed 10/286:07 pm -

1 stop22h 16m

Deal found 9/15

$167

Wed 10/1412:43 pm -

1 stop11h 38m

Fri 10/169:06 pm -

1 stop13h 36m

Deal found 9/15

$170

Mon 11/22:59 pm -

1 stop8h 44m

Wed 11/411:16 am -

2 stops22h 03m

Deal found 9/14

$171

Sun 11/15:18 pm -

1 stop6h 25m

Mon 11/29:06 pm -

1 stop14h 37m

Deal found 9/14

$173

Thu 11/125:18 pm -

1 stop6h 25m

Mon 11/167:40 am -

1 stop6h 14m

Deal found 9/15

$178

Wed 10/712:43 pm -

1 stop11h 27m

Fri 10/1612:30 pm -

1 stop8h 04m

Deal found 9/11

$179

Mon 10/1212:43 pm -

2 stops45h 34m

Mon 10/199:06 pm -

1 stop14h 32m

Deal found 9/14

$180

Fri 10/912:46 pm -

1 stop11h 35m

Tue 10/139:06 pm -

1 stop14h 32m

Deal found 9/15

$181

Best flights from Cincinnati to Dulles Intl
Discover carefully curated flight deals from Cincinnati to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2026.

Fri 10/27:47 pm -

Nonstop1h 38m

Tue 10/68:15 am -

Nonstop1h 36m

Deal found 9/11

$279

Sat 10/311:40 am -

1 stop6h 06m

Mon 10/55:12 pm -

1 stop7h 11m

Deal found 9/13

$334

Sat 10/1710:26 am -

Nonstop1h 35m

Mon 10/198:15 am -

Nonstop1h 36m

Deal found 9/15

$295

Fri 11/276:00 am -

Nonstop1h 35m

Sat 11/2810:14 pm -

Nonstop1h 45m

Deal found 9/15

$350

Fri 11/206:00 am -

Nonstop1h 35m

Sun 11/228:45 am -

Nonstop1h 44m

Deal found 9/15

$369

Fri 10/3011:10 am -

1 stop5h 23m

Sun 11/18:45 am -

Nonstop1h 44m

Deal found 9/12

$384

Sat 11/1411:53 am -

1 stop4h 42m

Sun 11/1510:14 pm -

Nonstop1h 45m

Deal found 9/14

$384

Thu 10/17:00 am -

1 stop4h 55m

Sun 10/48:15 am -

Nonstop1h 36m

Deal found 9/13

$384

Wed 10/214:47 pm -

1 stop4h 40m

Tue 10/2712:44 pm -

Nonstop1h 37m

Deal found 9/15

$384

Thu 10/89:00 am -

1 stop4h 59m

Mon 10/128:15 am -

Nonstop1h 36m

Deal found 9/11

$386

Sat 10/32:55 pm -

Nonstop1h 43m

Sun 10/46:45 am -

1 stop4h 22m

Deal found 9/14

$389

Sat 9/197:52 pm -

Nonstop1h 38m

Tue 9/225:25 pm -

Nonstop1h 40m

Deal found 9/12

$389

Last-minute flights from Cincinnati to Dulles Intl
Discover last-minute flight deals from Cincinnati to Dulles Intl. Data last updated September 16, 2026 and is based on user searches.

Thu 10/112:43 pm -

1 stop11h 27m

Mon 10/51:50 pm -

1 stop7h 28m

Deal found 9/10

$161

Thu 10/112:43 pm -

1 stop11h 27m

Sun 10/49:04 pm -

1 stop14h 34m

Deal found 9/12

$189

Sat 10/312:43 pm -

1 stop4h 35m

Wed 10/79:04 pm -

1 stop10h 46m

Deal found 9/11

$166

Tue 10/612:43 pm -

1 stop11h 27m

Wed 10/711:12 am -

2 stops20h 38m

Deal found 9/11

$182

Wed 10/712:43 pm -

1 stop11h 27m

Fri 10/1612:30 pm -

1 stop8h 04m

Deal found 9/11

$179

Mon 10/1212:43 pm -

2 stops45h 34m

Mon 10/199:06 pm -

1 stop14h 32m

Deal found 9/14

$180

Tue 10/1312:43 pm -

1 stop4h 30m

Thu 10/1511:12 am -

1 stop12h 36m

Deal found 9/15

$188

Wed 10/1412:43 pm -

1 stop11h 38m

Fri 10/169:06 pm -

1 stop13h 36m

Deal found 9/15

$170

Tue 10/2012:43 pm -

2 stops21h 34m

Sun 10/259:06 pm -

1 stop14h 32m

Deal found 9/11

$181

Fri 10/2312:43 pm -

2 stops21h 34m

Mon 10/269:06 pm -

1 stop14h 37m

Deal found 9/15

$184

Mon 10/2611:05 am -

1 stop23h 16m

Wed 10/286:07 pm -

1 stop22h 16m

Deal found 9/15

$167

Wed 10/2812:36 pm -

1 stop4h 36m

Fri 10/307:40 am -

1 stop6h 14m

Deal found 9/14

$190

One-way flights from Cincinnati to Dulles Intl
Search for one-way flight options from Cincinnati to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 16, 2026.

Tue 10/2012:43 pm -

1 stop4h 30m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/10

$53

Wed 10/2112:43 pm -

1 stop4h 30m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/10

$54

Tue 10/271:10 pm -

1 stop10h 33m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/10

$59

Wed 11/1112:36 pm -

1 stop11h 07m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/11

$64

Tue 10/138:19 pm -

1 stop13h 58m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/10

$65

Wed 10/712:43 pm -

1 stop4h 35m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/15

$67

Thu 10/295:18 pm -

1 stop6h 25m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/11

$68

Wed 10/1412:43 pm -

2 stops21h 34m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/15

$73

Tue 11/1712:43 pm -

2 stops45h 38m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/13

$74

Mon 10/1912:43 pm -

1 stop4h 30m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/11

$78

Find flight deals from Cincinnati to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$161 (Priceline)
One-way from	$53 (Super.com)
Popular in	May
Cheapest in	November
Average price	$329
Good round-trip deal	$468 or less
Good one-way deal	$284 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 ($39 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 September 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

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

CVGIAD

Cincinnati Cinci./N. Kentucky

Sun 12/6

9:55 am-11:29 am

Nonstop1h 34m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$223

CincinnatiWashington, D.C.

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

CVGIAD

Cincinnati Cinci./N. Kentucky

Fri 12/4

7:45 pm-9:19 pm

Nonstop1h 34m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$223

CincinnatiWashington, D.C.

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

CVGIAD

Cincinnati Cinci./N. Kentucky

Tue 10/13

10:26 am-12:01 pm

Nonstop1h 35m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$223

CincinnatiWashington, D.C.

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

CVGIAD

Cincinnati Cinci./N. Kentucky

Thu 11/12

6:00 am-7:35 am

Nonstop1h 35m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$223

CincinnatiWashington, D.C.

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

CVGIAD

Cincinnati Cinci./N. Kentucky

Thu 10/8

10:26 am-12:01 pm

Nonstop1h 35m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$233

CincinnatiWashington, D.C.

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

CVGIAD

Cincinnati Cinci./N. Kentucky

Sun 11/29

6:00 am-7:35 am

Nonstop1h 35m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$233

CincinnatiWashington, D.C.

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

CVGIAD

Cincinnati Cinci./N. Kentucky

Mon 11/2

6:00 am-7:35 am

Nonstop1h 35m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$233

CincinnatiWashington, D.C.

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

CVGIAD

Cincinnati Cinci./N. Kentucky

Thu 10/29

10:01 am-11:39 am

Nonstop1h 38m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$233

CincinnatiWashington, D.C.

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

CVGIAD

Cincinnati Cinci./N. Kentucky

Sat 10/24

2:55 pm-4:38 pm

Nonstop1h 43m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$233

CincinnatiWashington, D.C.

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

CVGIAD

Cincinnati Cinci./N. Kentucky

Mon 12/14

3:00 pm-4:35 pm

Nonstop1h 35m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$233

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 24 resultsSorted by cheapest first

Compare providers for flights from Cincinnati to Dulles Intl

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 September.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust 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.

CVG-IAD

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

Prices

Airlines

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 35 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?

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 56% 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?

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. Friday 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 $227 and $464 in November.
The cheapest round-trip price found within the last 5 days was $161 on Frontier (Nov 3-Nov 6).

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

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

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 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

10,209 reviews

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

10,209 reviews

United Airlines

7.4

Good

10,209 reviews

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

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 6 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 38m. United Airlines provides one of the quickest options available for as low as $279. 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 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: Avianca (84%), Republic Airways (83%), GoJet( 81%).
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 $183. While the most popular route (Cincinnati Cinci./N. Kentucky - Washington, D.C. Dulles Intl) can be booked for $198 on average, our data indicates $2,605 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

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Alternative routes

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Alternative routes for Cincinnati to Dulles Intl

Top airline flying from Cincinnati to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$189	Average$322	FlexibilityNo cancel fee	On-time69%

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$53+ Cheap flights from Cincinnati (CVG) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Cincinnati to Dulles Intl with Cheapflights

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Cheap flight deals from Cincinnati to Dulles Intl

Cheapest flights from Cincinnati to Dulles IntlExplore 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 September 16, 2026.

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 September 16, 2026.

Best flights from Cincinnati to Dulles IntlDiscover carefully curated flight deals from Cincinnati to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2026.

Discover carefully curated flight deals from Cincinnati to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2026.

Last-minute flights from Cincinnati to Dulles IntlDiscover last-minute flight deals from Cincinnati to Dulles Intl. Data last updated September 16, 2026 and is based on user searches.

Discover last-minute flight deals from Cincinnati to Dulles Intl. Data last updated September 16, 2026 and is based on user searches.

One-way flights from Cincinnati to Dulles IntlSearch for one-way flight options from Cincinnati to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 16, 2026.

Search for one-way flight options from Cincinnati to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 16, 2026.

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

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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 September.

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.

Cheapflights Insights

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 35 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?

What is the cheapest time of day to fly from CVG to IAD?

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 56% 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?

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 $227 and $464 in November.The cheapest round-trip price found within the last 5 days was $161 on Frontier (Nov 3-Nov 6).

Weekly flight availability from Cincinnati to Washington, D.C. Dulles Intl Airport

The most flights from CVG to IAD are scheduled on a Monday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

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

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Reviews of airlines servicing Dulles Intl

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.

Related info for your journey

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

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

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

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Alternative routes for Cincinnati to Dulles Intl

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Other flights to Dulles Intl

Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 16, 2026.

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Cincinnati and Dulles Intl flights

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Other flights from Cincinnati

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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 September 16, 2026.

Best flights from Cincinnati to Dulles Intl
Discover carefully curated flight deals from Cincinnati to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2026.

Last-minute flights from Cincinnati to Dulles Intl
Discover last-minute flight deals from Cincinnati to Dulles Intl. Data last updated September 16, 2026 and is based on user searches.

One-way flights from Cincinnati to Dulles Intl
Search for one-way flight options from Cincinnati to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 16, 2026.

Cincinnati to Washington, D.C. Dulles Intl Airport flights typically cost between $227 and $464 in November.
The cheapest round-trip price found within the last 5 days was $161 on Frontier (Nov 3-Nov 6).