$90 Cheap Flights from Cincinnati (CVG) to Washington (IAD)

View $90 flight on Fri, May 30, 2025Opens in a new window

Popular airlines from Cincinnati-Northern Kentucky Int'l Airport (CVG) to Washington Dulles Intl. Airport (IAD)

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Find available prices by choosing your travel dates.

Cheap Flights from Cincinnati to Washington (CVG-IAD)

Prices were available within the past 7 days and start at $90 for one-way flights and $170 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, May 16 - Sun, May 18
CVG
Cincinnati
IAD
Washington
$170 Roundtrip, found 9 hours ago
$170
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Fri, May 16 from Cincinnati to Washington, returning Sun, May 18, priced at $170 found 9 hours ago
Frontier Airlines
Mon, May 12 - Thu, May 15
CVG
Cincinnati
IAD
Washington
$180 Roundtrip, found 6 hours ago
$180
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Mon, May 12 from Cincinnati to Washington, returning Thu, May 15, priced at $180 found 6 hours ago
Frontier Airlines
Mon, May 19 - Tue, May 27
CVG
Cincinnati
IAD
Washington
$181 Roundtrip, found 5 days ago
$181
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Mon, May 19 from Cincinnati to Washington, returning Tue, May 27, priced at $181 found 5 days ago
United
Fri, May 30 - Tue, Jun 3
CVG
Cincinnati
IAD
Washington
$184 Roundtrip, found 1 hour ago
$184
Roundtrip
found 1 hour ago
Select United flight, departing Fri, May 30 from Cincinnati to Washington, returning Tue, Jun 3, priced at $184 found 1 hour ago
Frontier Airlines
Sat, May 10 - Sat, May 24
CVG
Cincinnati
IAD
Washington
$188 Roundtrip, found 8 hours ago
$188
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Sat, May 10 from Cincinnati to Washington, returning Sat, May 24, priced at $188 found 8 hours ago
United
Fri, Jun 27 - Mon, Jun 30
CVG
Cincinnati
IAD
Washington
$189 Roundtrip, found 2 hours ago
$189
Roundtrip
found 2 hours ago
Select United flight, departing Fri, Jun 27 from Cincinnati to Washington, returning Mon, Jun 30, priced at $189 found 2 hours ago
Frontier Airlines
Mon, May 5 - Thu, May 15
CVG
Cincinnati
IAD
Washington
$190 Roundtrip, found 8 hours ago
$190
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Mon, May 5 from Cincinnati to Washington, returning Thu, May 15, priced at $190 found 8 hours ago
Frontier Airlines
Thu, May 8 - Tue, May 27
CVG
Cincinnati
IAD
Washington
$191 Roundtrip, found 8 hours ago
$191
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Thu, May 8 from Cincinnati to Washington, returning Tue, May 27, priced at $191 found 8 hours ago
Delta
Wed, May 14 - Sat, May 17
CVG
Cincinnati
IAD
Washington
$216 Roundtrip, found 3 days ago
$216
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, May 14 from Cincinnati to Washington, returning Sat, May 17, priced at $216 found 3 days ago
American Airlines
Tue, May 27 - Tue, Jun 3
CVG
Cincinnati
IAD
Washington
$251 Roundtrip, found 2 hours ago
$251
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Tue, May 27 from Cincinnati to Washington, returning Tue, Jun 3, priced at $251 found 2 hours ago
Flights from Cincinnati (CVG) to Washington (IAD)
Origin airport
Cincinnati - Northern Kentucky Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$170
Distance
387 mi

Cincinnati to Washington Flights

The cheapest times to fly from Cincinnati to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Cincinnati to Washington are during the month of May. You can find some of the cheapest flights from Cincinnati to Washington with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Cincinnati to Washington

Sunday is one of the best days to book for cheap flights from Cincinnati to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Cincinnati to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Cincinnati to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $90 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Cincinnati to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Cincinnati to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How long does it take to fly from CVG to Washington Dulles Intl. Airport (IAD)?
Book your trip with United Airlines and you’ll be in the air for roughly 1 hour and 30 minutes. This leading airline operates a direct flight that takes off at 10:18AM from Cincinnati - Northern Kentucky Intl. Airport (CVG) and reaches Washington Dulles Intl. Airport (IAD) at 11:48AM. Expedia has some amazing flight deals, so find out what’s available on this route today.
Is it cheaper to buy a plane ticket from Cincinnati - Northern Kentucky Intl. Airport (CVG) to IAD last minute?
Booking your flight from CVG Airport to Dulles Intl. Airport at the last minute could save you a pretty penny if you luck out and find an amazing deal. However, tickets usually don’t come down in price closer to the departure date. If you procrastinate, flights could also be booked up or the best seats gone (that could mean the middle seat!). If you’d rather not take any chances, book well in advance of when you want to leave. Don’t forget that some of the biggest bargains can be found up to 12 months in advance. If your preferred airline hasn’t released its airfares yet, check back regularly as offers are constantly updated on Expedia.
What airline has the least delays from CVG Airport to Dulles Intl. Airport?
If you’d rather not be stuck at the departure gate — or worse, have your vacation upended because of a flight delay — go with United Airlines. Around 85% of its CVG to IAD services touch down on time. You can review your flight status before heading to the airport through the Expedia App. It’ll also provide you with real-time alerts about other helpful info, such as any gate changes, luggage carousel numbers and directions to your hotel. Think of it as a handy travel companion in your pocket!
What airports do you fly into for Washington from Cincinnati?
With Washington Dulles Intl. Airport (IAD), Ronald Reagan Washington National Airport (DCA) and Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to select from, getting from Cincinnati to Washington is a cinch. The city’s main gateway, Washington Dulles Intl. Airport (IAD), is around 25 mi west of the downtown area. Apart from ticket costs, consider factors like train or bus options from the airport and the distance to your hotel when deciding where to touch down. Get your Washington trip off to a flying start by visiting White House and United States Capitol.
What are the most popular departure times for flights from Cincinnati - Northern Kentucky Intl. Airport (CVG) to Washington Dulles Intl. Airport (IAD)?
The most popular departure times for trips from Cincinnati - Northern Kentucky Intl. Airport (CVG) to Dulles Intl. Airport fall between 7:00 PM - 8:00 PM on United Airlines. Our advice is to head out in the morning. The earlier you take off, the better your odds of a delay-free flight with lighter air traffic in the sky.
Can I change the date of my flight from CVG Airport to IAD?
Plans can get upended, so Expedia is here to help make things easier. To start, find your CVG to Dulles Intl. Airport itinerary through the Expedia Trips portal and check the ticket conditions and rules about change fees or other charges. If you purchased your ticket in the last 24 hours, some carriers will let you cancel for free and organize new flights. If you booked your fare more than 24 hours ago, contact us via our Customer Service portal to run through your options.

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*Available to One Key members.