$85 Cheap Flights from Cincinnati (CVG) to Ontario (ONT)

View $85 flight on Thu, Nov 13, 2025Opens in a new window

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

Cheap Flights from Cincinnati to Ontario (CVG-ONT)

Prices were available within the past 7 days and start at $85 for one-way flights and $180 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Nov 6 - Thu, Nov 13
CVG
Cincinnati
ONT
Ontario
$180 Roundtrip, just found
$180
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Nov 6 from Cincinnati to Ontario, returning Thu, Nov 13, priced at $180 just found
Frontier Airlines
Fri, Oct 31 - Wed, Nov 5
CVG
Cincinnati
ONT
Ontario
$182 Roundtrip, found 19 hours ago
$182
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Fri, Oct 31 from Cincinnati to Ontario, returning Wed, Nov 5, priced at $182 found 19 hours ago
Frontier Airlines
Mon, Nov 17 - Thu, Nov 20
CVG
Cincinnati
ONT
Ontario
$190 Roundtrip, found 2 days ago
$190
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Nov 17 from Cincinnati to Ontario, returning Thu, Nov 20, priced at $190 found 2 days ago
Frontier Airlines
Sun, Nov 9 - Thu, Nov 20
CVG
Cincinnati
ONT
Ontario
$192 Roundtrip, found 17 hours ago
$192
Roundtrip
found 17 hours ago
Select Frontier Airlines flight, departing Sun, Nov 9 from Cincinnati to Ontario, returning Thu, Nov 20, priced at $192 found 17 hours ago
Frontier Airlines
Sun, Nov 16 - Thu, Nov 20
CVG
Cincinnati
ONT
Ontario
$201 Roundtrip, found 2 days ago
$201
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sun, Nov 16 from Cincinnati to Ontario, returning Thu, Nov 20, priced at $201 found 2 days ago
Frontier Airlines
Mon, Nov 3 - Mon, Nov 10
CVG
Cincinnati
ONT
Ontario
$206 Roundtrip, found 5 hours ago
$206
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Mon, Nov 3 from Cincinnati to Ontario, returning Mon, Nov 10, priced at $206 found 5 hours ago
American Airlines
Fri, Oct 31 - Thu, Nov 6
CVG
Cincinnati
ONT
Ontario
$228 Roundtrip, found 1 day ago
$228
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Oct 31 from Cincinnati to Ontario, returning Thu, Nov 6, priced at $228 found 1 day ago
Southwest Airlines
Thu, Dec 4 - Tue, Dec 9
CVG
Cincinnati
ONT
Ontario
$239 Roundtrip, found 2 hours ago
$239
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Thu, Dec 4 from Cincinnati to Ontario, returning Tue, Dec 9, priced at $239 found 2 hours ago
Delta
Thu, Nov 27 - Sat, Dec 13
CVG
Cincinnati
ONT
Ontario
$248 Roundtrip, found 22 hours ago
$248
Roundtrip
found 22 hours ago
Select Delta flight, departing Thu, Nov 27 from Cincinnati to Ontario, returning Sat, Dec 13, priced at $248 found 22 hours ago
Alaska Airlines
Wed, Feb 18 - Wed, Feb 25
CVG
Cincinnati
ONT
Ontario
$284 Roundtrip, found 3 days ago
$284
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, Feb 18 from Cincinnati to Ontario, returning Wed, Feb 25, priced at $284 found 3 days ago

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

April is typically the cheapest month to fly

From $140 - $477 per traveler.

Alternative airports near Ontario

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

Select flight to John Wayne SNA. Cheapest option available. Average driving time to city center is 42 minutes. Flights from $180
SNA
John Wayne
Cheapest
Average driving time to city center42 min
Flights from $180

Frequently asked questions

How much does a flight from Cincinnati - Northern Kentucky Intl. Airport (CVG) to Los Angeles - Ontario Intl. Airport (ONT) cost?
Grab a cheap one-way flight from $85 or cheap return flight from $180 from Cincinnati - Northern Kentucky Intl. Airport (CVG) to Los Angeles - Ontario Intl. Airport (ONT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Cincinnati - Northern Kentucky Intl. Airport (CVG) to Los Angeles - Ontario Intl. Airport (ONT)?
The cheapest month to fly from CVG to ONT is November, when demand is low. Off-peak season is generally when you'll find lower airfares between these airports.
How many flights per day from Cincinnati - Northern Kentucky Intl. Airport (CVG) to Los Angeles - Ontario Intl. Airport (ONT)?
Direct flights from Cincinnati - Northern Kentucky Intl. Airport (CVG) to Los Angeles - Ontario Intl. Airport (ONT) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CVG to ONT?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on a number of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cincinnati - Northern Kentucky Intl. Airport (CVG) to Los Angeles - Ontario Intl. Airport (ONT)?
To avoid potential delays on the Cincinnati - Northern Kentucky Intl. Airport (CVG) to Los Angeles - Ontario Intl. Airport (ONT) route, travel before 3 PM. Departures after this hour have a 22% higher chance of being 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.
What airports do you fly into for Ontario from Cincinnati - Northern Kentucky Intl. Airport (CVG)?
Check out your flight options from Cincinnati - Northern Kentucky Intl. Airport (CVG) to Los Angeles Intl. Airport (LAX). This is the only Ontario airport you can jet into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Cincinnati - Northern Kentucky Intl. Airport (CVG) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?
Booking your flight from CVG to ONT just before your trip is typically more expensive. However, if you're flexible with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book a CVG to ONT flight and hotel package?
You can save money by booking a CVG to ONT flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've selected your preferred accommodations and flights, consider other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Cincinnati - Northern Kentucky Intl. Airport (CVG) to Los Angeles - Ontario Intl. Airport (ONT)?
Typically, it's possible to cancel or reschedule your CVG to ONT flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Cincinnati - Northern Kentucky Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$180
Distance
1849 mi

Book with confidence

Cincinnati to Ontario Flights

The cheapest times to fly from Cincinnati to Ontario

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 Cincinnati to Ontario are during the month of November. You can find some of the cheapest flights from Cincinnati to Ontario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Cincinnati to Ontario

Sunday is one of the best days to book for cheap flights from Cincinnati to Ontario: 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 Cincinnati to Ontario

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 Cincinnati to Ontario in 2025. You can also book with separate airlines for your outbound and return journeys, from $85 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 Cincinnati to Ontario 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 Cincinnati to Ontario 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.

 

Cincinnati to Ontario Flights

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*Available to One Key members.