Lowest Prices
Uncover the best deals on Cincinnati to Ontario flights by comparing fares from hundreds of airlines and agencies.
Useful information for finding best airline tickets from Cincinnati Northern Kentucky International to Ontario International on your next trip.
Cheapest Round Trip Flight
$235
Delta Airlines
• 1 stop
• 11h 51m
Dec 05 – Dec 08
The cheapest round trip flight from Cincinnati to Ontario (CVG-ONT-CVG) is currently $235
Fastest Flight
11h 51m
The fastest nonstop flight from Cincinnati to Ontario (CVG-ONT) takes 11h 51m
| Origin Airport | Cincinnati Northern Kentucky International , Cincinnati, US |
| Destination Airport | Ontario International , Ontario, US |
| Distance | 1854 miles |