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.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $189 (United Airlines) |
One-way from | $55 (Priceline) |
Popular in | October |
Cheapest in | February |
Average price | $255 |
Good round-trip deal | $284 or less |
Good one-way deal | $202 or less |
Fly from
Fly to
Route
Depart
Return
Price
CincinnatiWashington, D.C.
CVG - IAD
CVGIAD
Cincinnati Cinci./N. Kentucky
Sat 11/22
7:40 pm-9:16 pm
Nonstop1h 36m
Washington, D.C. Dulles Intl
Mon 11/24
8:45 am-10:22 am
Nonstop1h 37m
CincinnatiWashington, D.C.
CVG - IAD
CVGIAD
Cincinnati Cinci./N. Kentucky
Tue 11/25
6:00 am-7:35 am
Nonstop1h 35m
Washington, D.C. Dulles Intl
Tue 12/2
10:11 pm-11:54 pm
Nonstop1h 43m
CincinnatiWashington, D.C.
CVG - IAD
CVGIAD
Cincinnati Cinci./N. Kentucky
Mon 1/5
10:20 am-11:55 am
Nonstop1h 35m
Washington, D.C. Dulles Intl
Sat 1/24
5:15 pm-7:03 pm
Nonstop1h 48m
CincinnatiWashington, D.C.
CVG - IAD
CVGIAD
Cincinnati Cinci./N. Kentucky
Sun 11/23
2:56 pm-4:30 pm
Nonstop1h 34m
Washington, D.C. Dulles Intl
Thu 11/27
12:35 pm-2:15 pm
Nonstop1h 40m
CincinnatiWashington, D.C.
CVG - IAD
CVGIAD
Cincinnati Cinci./N. Kentucky
Fri 12/5
7:45 pm-9:20 pm
Nonstop1h 35m
Washington, D.C. Dulles Intl
Sun 12/7
10:11 pm-11:54 pm
Nonstop1h 43m
CincinnatiWashington, D.C.
CVG - IAD
CVGIAD
Cincinnati Cinci./N. Kentucky
Thu 11/27
10:15 am-11:51 am
Nonstop1h 36m
Washington, D.C. Dulles Intl
Fri 11/28
10:16 pm-11:59 pm
Nonstop1h 43m
CincinnatiWashington, D.C.
CVG - IAD
CVGIAD
Cincinnati Cinci./N. Kentucky
Tue 11/11
10:15 am-11:51 am
Nonstop1h 36m
Washington, D.C. Dulles Intl
Tue 11/18
5:11 pm-6:54 pm
Nonstop1h 43m
CincinnatiWashington, D.C.
CVG - IAD
CVGIAD
Cincinnati Cinci./N. Kentucky
Wed 11/26
7:40 pm-9:16 pm
Nonstop1h 36m
Washington, D.C. Dulles Intl
Fri 11/28
12:35 pm-2:15 pm
Nonstop1h 40m
CincinnatiWashington, D.C.
CVG - IAD
CVGIAD
Cincinnati Cinci./N. Kentucky
Thu 11/27
10:15 am-11:51 am
Nonstop1h 36m
Washington, D.C. Dulles Intl
Sat 11/29
8:45 am-10:22 am
Nonstop1h 37m
CincinnatiWashington, D.C.
CVG - IAD
CVGIAD
Cincinnati Cinci./N. Kentucky
Tue 11/25
6:00 am-7:35 am
Nonstop1h 35m
Washington, D.C. Dulles Intl
Thu 11/27
8:45 am-10:22 am
Nonstop1h 37m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
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.
Currently, February is the cheapest month in which you can book a flight from Cincinnati to Washington, D.C. Dulles Intl Airport (average of $179). Flying from Cincinnati to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of $219). 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.
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.
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.
Food
Crew
Boarding
Comfort
Overall
Entertainment
Reviews
Sebrena,Oct 2025
IAH - RSW
Food
Crew
Boarding
Comfort
Overall
Entertainment
Reviews
Sebrena,Oct 2025
IAH - RSW
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$189 | Average$278 | FlexibilityNo cancel fee | On-time69% |