$65 Cheap Flights from Ontario (ONT) to Cincinnati (CVG)

View $65 flight on Thu, Nov 20, 2025Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Cincinnati-Northern Kentucky Int'l Airport (CVG)

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Cheap Flights from Ontario to Cincinnati (ONT-CVG)

Prices were available within the past 7 days and start at $65 for one-way flights and $138 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Dec 11 - Mon, Dec 15
ONT
Ontario
CVG
Cincinnati
$138 Roundtrip, found 5 hours ago
$138
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Thu, Dec 11 from Ontario to Cincinnati, returning Mon, Dec 15, priced at $138 found 5 hours ago
Frontier Airlines
Sat, Jan 10 - Mon, Jan 12
ONT
Ontario
CVG
Cincinnati
$140 Roundtrip, just found
$140
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Jan 10 from Ontario to Cincinnati, returning Mon, Jan 12, priced at $140 just found
Frontier Airlines
Mon, Nov 24 - Fri, Nov 28
ONT
Ontario
CVG
Cincinnati
$141 Roundtrip, found 1 day ago
$141
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Nov 24 from Ontario to Cincinnati, returning Fri, Nov 28, priced at $141 found 1 day ago
Frontier Airlines
Fri, Jan 9 - Sun, Jan 11
ONT
Ontario
CVG
Cincinnati
$142 Roundtrip, just found
$142
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Jan 9 from Ontario to Cincinnati, returning Sun, Jan 11, priced at $142 just found
Frontier Airlines
Fri, Jan 9 - Mon, Jan 12
ONT
Ontario
CVG
Cincinnati
$144 Roundtrip, just found
$144
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Jan 9 from Ontario to Cincinnati, returning Mon, Jan 12, priced at $144 just found
Frontier Airlines
Fri, Jan 30 - Sun, Feb 8
ONT
Ontario
CVG
Cincinnati
$148 Roundtrip, found 2 hours ago
$148
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Fri, Jan 30 from Ontario to Cincinnati, returning Sun, Feb 8, priced at $148 found 2 hours ago
Alaska Airlines
Fri, Jan 30 - Sat, Feb 7
ONT
Ontario
CVG
Cincinnati
$284 Roundtrip, found 3 hours ago
$284
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Fri, Jan 30 from Ontario to Cincinnati, returning Sat, Feb 7, priced at $284 found 3 hours ago
Hawaiian Airlines
Tue, Jan 6 - Tue, Jan 13
ONT
Ontario
CVG
Cincinnati
$284 Roundtrip, just found
$284
Roundtrip
just found
Select Hawaiian Airlines flight, departing Tue, Jan 6 from Ontario to Cincinnati, returning Tue, Jan 13, priced at $284 just found
Delta
Sat, Jan 10 - Tue, Jan 13
ONT
Ontario
CVG
Cincinnati
$285 Roundtrip, just found
$285
Roundtrip
just found
Select Delta flight, departing Sat, Jan 10 from Ontario to Cincinnati, returning Tue, Jan 13, priced at $285 just found
American Airlines
Wed, Jan 21 - Wed, Jan 28
ONT
Ontario
CVG
Cincinnati
$306 Roundtrip, just found
$306
Roundtrip
just found
Select American Airlines flight, departing Wed, Jan 21 from Ontario to Cincinnati, returning Wed, Jan 28, priced at $306 just found

Find the cheapest month to fly from Ontario (ONT) to Cincinnati (CVG)

March is typically the cheapest month to fly

From $140 - $514 per traveler.

Alternative airports near Cincinnati

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Cincinnati - Northern Kentucky Intl. CVG. Cheapest option available. Average driving time to city center is 17 minutes. Flights from $147
CVG
Cincinnati - Northern Kentucky Intl.
Cheapest
Average driving time to city center17 min
Flights from $147
Flights from Ontario (ONT) to Cincinnati (CVG)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Cincinnati - Northern Kentucky Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$130
Distance
1849 mi

Ontario to Cincinnati Flights

The cheapest times to fly from Ontario to Cincinnati

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Ontario to Cincinnati are during the month of December. You can find some of the cheapest flights from Ontario to Cincinnati with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ontario to Cincinnati

Sunday is one of the best days to book for cheap flights from Ontario to Cincinnati: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Ontario to Cincinnati

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Ontario to Cincinnati in 2025. You can also book with separate airlines for your outbound and return journeys, from $65 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Ontario to Cincinnati flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Ontario to Cincinnati airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Los Angeles - Ontario Intl. Airport (ONT) to Cincinnati - Northern Kentucky Intl. Airport (CVG) cost?
Grab a cheap one-way flight from $65 or cheap return flight from $138 from Los Angeles - Ontario Intl. Airport (ONT) to Cincinnati - Northern Kentucky Intl. Airport (CVG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Los Angeles - Ontario Intl. Airport (ONT) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
December is the least expensive month to fly from ONT to CVG. Traveling outside of peak seasons is often the key to landing a great deal.
Which airlines fly direct from Los Angeles - Ontario Intl. Airport (ONT) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
There are no direct flights from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Cincinnati - Northern Kentucky Intl. Airport (CVG). However, you'll find other airports that offer nonstop flights. Board your plane at Los Angeles Intl. Airport (LAX) and head straight to Cincinnati without layovers.
What is the cheapest airline that flies from Los Angeles - Ontario Intl. Airport (ONT) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll take you from ONT to CVG. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Los Angeles - Ontario Intl. Airport (ONT) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
Direct flights from Los Angeles - Ontario Intl. Airport (ONT) to Cincinnati - Northern Kentucky Intl. Airport (CVG) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ONT to CVG?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on a number of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Los Angeles - Ontario Intl. Airport (ONT) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
Book a flight from Los Angeles - Ontario Intl. Airport (ONT) to Cincinnati - Northern Kentucky Intl. Airport (CVG) that takes off before 3 PM to reduce the likelihood of delays. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Los Angeles - Ontario Intl. Airport (ONT) to Cincinnati - Northern Kentucky Intl. Airport (CVG) last-minute?
Holding off until right before your break to book a ticket from ONT to CVG generally means paying more. While you may come across some last-minute discounts, they're not always guaranteed. Keep your travel plans flexible for a better chance of landing a bargain.
Is it cheaper to book an ONT to CVG flight and hotel package?
Compared with arranging hotels and flights separately, booking an ONT to CVG flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one easy place will take the stress out of travel planning. Simply secure your flights and select from our extensive range of stays, then personalize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Los Angeles - Ontario Intl. Airport (ONT) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
Typically, you can cancel or reschedule your ONT to CVG flight. However, additional fees may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you need more details, go to our Customer Service portal.

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*Available to One Key members.