Cheap flights from Ontario to Cincinnati from $92
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Cincinnati departing on 8/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Ontario to Cincinnati
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Southwest flights from Ontario to Cincinnati
Our best Southwest deals on Ontario to Cincinnati flight tickets
Frontier flights from Ontario to Cincinnati
Our best Frontier deals on Ontario to Cincinnati flight tickets
See travel insights to Cincinnati from
How to get the cheapest flight ticket from Ontario to Cincinnati
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Cincinnati?
The month of October is, on average, the cheapest month to fly to Cincinnati from Ontario, with most prices found around $325. If you aren’t able to travel to Cincinnati during the month of October, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $350.
What is the cheapest day to depart on your flight to Cincinnati?
According to our data, Thursday is the cheapest day to fly to Cincinnati from Ontario. The lowest ticket price found for a Thursday departure recently was $354. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Saturday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $428.
What is the cheapest time of day to depart on your flight to Cincinnati?
Our most recent data shows that the best time of day to fly to Cincinnati is at noon. Flights from Ontario to Cincinnati during this time can be as low as $187. In the afternoon is when there is more demand to fly to Cincinnati, so prices are often more expensive at around $537 per ticket.
How far in advance should I book a flight to Cincinnati?
You are more likely to see cheaper flights to Cincinnati from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Cincinnati for around $418 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cincinnati from Ontario for as low as $185 on momondo.
What is the cheapest airline that flies from Ontario to Cincinnati Cinci./N. Kentucky?
American Airlines, Southwest, and Alaska Airlines are the most popular carriers operating from Ontario to Cincinnati Cinci./N. Kentucky
What airlines fly to Cincinnati?
American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Cincinnati from Ontario according to our data. American Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Cincinnati. Keep in mind that there are 7 different airlines that fly to Cincinnati on a routine basis, so you have a few additional options to choose from.
When to book flights from Ontario to Cincinnati
Cheap Ontario to Cincinnati (ONT to CVG) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Cincinnati
How far is Ontario to Cincinnati Cinci./N. Kentucky by plane?
The straight-line distance from Ontario to Cincinnati Cinci./N. Kentucky is 1859.2 mi. A reasonable flight in good conditions will take 6h 19m.
When did momondo last update prices for flights from Ontario Airport to Cincinnati Cinci./N. Kentucky Airport?
Prices for flights from Ontario Airport to Cincinnati Cinci./N. Kentucky Airport were last updated today.
How many operators does momondo search for flights from Ontario Airport to Cincinnati Cinci./N. Kentucky Airport?
The number of operators available for flights from Ontario Airport to Cincinnati Cinci./N. Kentucky Airport is 5 as of July 2025.
How old do you have to be to fly from Ontario Airport to Cincinnati Cinci./N. Kentucky Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Cincinnati Cinci./N. Kentucky Airport.
What documentation or ID do you need to fly to Cincinnati Cinci./N. Kentucky Airport?
The travel and health documents required for your trip to Cincinnati Cinci./N. Kentucky Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Cincinnati Cinci./N. Kentucky Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Ontario to Cincinnati?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Ontario to Cincinnati is American Airlines (37% of total bookings). The next most popular airlines are Delta (21%), Frontier (20%), and United Airlines (11%).
Best airlines flying from Ontario to Cincinnati
Compare and see reviews for airlines that fly from Ontario to Cincinnati with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $157 | Free Cancellation | Rating 5.9 3,268 reviews | |||
| PriceFrom $322 | Free Cancellation | Rating 8.0 7,958 reviews | |||
| PriceFrom $326 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $350 | Free Cancellation | Rating 8.0 4,253 reviews | |||
| PriceFrom $377 | Free Cancellation | Rating 7.4 8,843 reviews |
Traveling to a place near Cincinnati?
Book flights to Cincinnati if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Ontario to Cincinnati?
Finding the right flight to Cincinnati from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Cincinnati quick and easy, saving you time and money.
Can I find flights from Ontario to Cincinnati with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Cincinnati from Ontario with this policy.
How can momondo help me find flights from Ontario to Cincinnati?
momondo helps you find the best flight between Ontario and Cincinnati by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Ontario to Cincinnati right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Ontario to Cincinnati now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Cincinnati and let you know when they change.