Dulles (IAD) to Cincinnati (CVG) flights
One airline flies nonstop from Dulles (IAD) to Cincinnati (CVG): United Airlines. The two airports are 387 miles (623 km) apart. United Airlines is in Star Alliance. There are also 21 ways to fly it with one stop, through Detroit, Raleigh/Durham and Philadelphia and more.
Airlines flying nonstop from IAD to CVG
- United AirlinesStar Alliance · bookable with 13 programsWho books it

Book IAD to CVG with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks United Airlines
- Air New Zealand AirpointsBooks United Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- JetBlue TrueBlueBooks United Airlines
- Lufthansa Miles & MoreBooks United Airlines
- Singapore Airlines KrisFlyerBooks United Airlines
- TAP Miles&GoBooks United Airlines
- Thai Royal Orchid PlusBooks United Airlines
- Turkish Airlines Miles&SmilesBooks United Airlines
- United MileagePlusBooks United Airlines
IAD to CVG with one stop
21 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Detroit (DTW)Delta Air Lines the whole way



- Via Raleigh/Durham (RDU)United Airlines, then Delta Air Lines


- Via Philadelphia (PHL)United Airlines, then American Airlines


- Via Charlotte (CLT)American Airlines the whole way



- Via Greenville (GSP)United Airlines, then Breeze Airways


- Via Toronto (YYZ)Air Canada the whole way



- Via Nashville (BNA)United Airlines, then Southwest Airlines


- Via New York (EWR)United Airlines the whole way




- Via New York (LGA)United Airlines, then Delta Air Lines


- Via New York (JFK)Delta Air Lines the whole way



- Via Chicago (ORD)United Airlines the whole way



- Via Myrtle Beach (MYR)United Airlines, then Allegiant Air


- Via Atlanta (ATL)Delta Air Lines and Frontier Airlines the whole way





- Via Charleston (CHS)United Airlines, then Allegiant Air and Breeze Airways



- Via Hartford (BDL)United Airlines, then Breeze Airways


IAD to CVG: common questions
Which airlines fly nonstop from IAD to CVG?
United Airlines (Star Alliance) flies nonstop from Dulles (IAD) to Cincinnati (CVG).
How far is Dulles from Cincinnati by plane?
Dulles (IAD) and Cincinnati (CVG) are 387 miles (623 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book IAD to CVG award flights?
13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, JetBlue TrueBlue, Lufthansa Miles & More and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does IAD to CVG cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for IAD to CVG with taxes and fees.
Where can I connect between Dulles and Cincinnati?
The most direct connections are through Detroit (DTW), Raleigh/Durham (RDU), Philadelphia (PHL), Charlotte (CLT) and Greenville (GSP). On 9 of them the same airline flies both flights, for example Delta Air Lines through Detroit.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.