$53 Find Cheap Flights from Cincinnati to Washington Dulles Airport - Compare and Save

Among airlines operating Cincinnati to Washington, D.C. Dulles Intl Airport flights:

• United Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only United Airlines operates flights between Cincinnati and Washington, D.C. Dulles Intl Airport.

Flights from Cincinnati to Washington, D.C. Dulles Intl Airport usually depart from Cincinnati Cinci./N. Kentucky (CVG) and arrive at Washington, D.C. Dulles Intl (IAD).

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Two cabin classes are available on flights from Cincinnati to Washington, D.C. Dulles Intl Airport:

• Economy Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $171 round-trip via Atlanta Hartsfield-Jackson (ATL), compared to $312 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Canadair (Bombardier) Regional Jet 900 family is used most often on this route, operated mainly by Delta and American Airlines. Other aircraft seen on the route include Embraer 175 (Enhanced Winglets) variants.

One-stop flights from Cincinnati to Washington, D.C. Dulles Intl Airport most commonly connect through:

• Atlanta Hartsfield-Jackson (ATL) - 62% of one-stop connections
• Charlotte Douglas (CLT) - 31% of one-stop connections
• Chicago O'Hare Intl (ORD) - 8% of one-stop connections

Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

On the Cincinnati to Washington, D.C. Dulles Intl Airport route, being flexible with your departure day can save you up to 37%. Saturday is the cheapest day at $255 round-trip on average, while Monday is the most expensive at $403: a $148 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Morning is the busiest departure period on Cincinnati to Washington, D.C. Dulles Intl Airport flights, with 34% of flights leaving in that window. Afternoon departures account for 33%, evening flights for 33%, and night flights for 0%.

Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

These are the earliest and latest flight times available from Cincinnati to Washington, D.C. Dulles Intl Airport:

• Earliest: departs at 6:00 am and lands at 7:37 am
• Latest: departs at 7:52 pm and lands at 9:29 pm.

The flight takes about 1h 37m.

Last-minute fares on this route - booked within 2 weeks of departure - run 30% above the route average of $308. Book 23 weeks before departure for the lowest fares.

A nonstop flight from Cincinnati to Washington, D.C. Dulles Intl Airport takes 1h 37m, covering 387 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $161 to $966. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Cincinnati to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about $85, which is 68% below the typical average for this route.

Flying via Charlotte Douglas (CLT) gives the shortest average 1-stop total travel time at 4h 00m, compared with 5h 36m via Chicago O'Hare Intl (ORD) and 8h 27m via Atlanta Hartsfield-Jackson (ATL).

Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:
• Dollar
• Budget
• Hertz
• Sixt
• Thrifty

Round-trip flights from Cincinnati to Washington, D.C. Dulles Intl Airport range from $231 to $421, with an average of $308 over the past 12 months. Anything below $231 counts as a good deal.