CA $275 Cheap Flights from Ontario Intl. Airport (ONT) to Cincinnati (CVG)

View CA $275 flight on Wed, Aug 26, 2026Opens 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 Intl. Airport (ONT) to Cincinnati (CVG)

Prices were available within the past 7 days and start at CA $275 for one-way flights and CA $590 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, Jun 11 - Tue, Jun 16
ONT
Ontario
CVG
Cincinnati
CA $590 Roundtrip, found 2 days ago
CA $590
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, Jun 11 from Ontario to Cincinnati, returning Tue, Jun 16, priced at CA $590 found 2 days ago
American Airlines
Thu, Jun 11 - Tue, Jun 16
ONT
Ontario
CVG
Cincinnati
CA $612 Roundtrip, found 2 days ago
CA $612
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Jun 11 from Ontario to Cincinnati, returning Tue, Jun 16, priced at CA $612 found 2 days ago
American Airlines
Thu, Jun 11 - Tue, Jun 16
ONT
Ontario
CVG
Cincinnati
CA $616 Roundtrip, found 2 days ago
CA $616
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Jun 11 from Ontario to Cincinnati, returning Tue, Jun 16, priced at CA $616 found 2 days ago
Delta
Wed, May 27 - Tue, Jun 2
ONT
Ontario
CVG
Cincinnati
CA $616 Roundtrip, found 3 days ago
CA $616
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, May 27 from Ontario to Cincinnati, returning Tue, Jun 2, priced at CA $616 found 3 days ago
Delta
Wed, May 27 - Sat, Jun 6
ONT
Ontario
CVG
Cincinnati
CA $633 Roundtrip, found 3 days ago
CA $633
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, May 27 from Ontario to Cincinnati, returning Sat, Jun 6, priced at CA $633 found 3 days ago
American Airlines
Thu, Jun 11 - Tue, Jun 16
ONT
Ontario
CVG
Cincinnati
CA $648 Roundtrip, found 2 days ago
CA $648
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Jun 11 from Ontario to Cincinnati, returning Tue, Jun 16, priced at CA $648 found 2 days ago
Delta
Thu, Jun 11 - Tue, Jun 16
ONT
Ontario
CVG
Cincinnati
CA $652 Roundtrip, found 2 days ago
CA $652
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Jun 11 from Ontario to Cincinnati, returning Tue, Jun 16, priced at CA $652 found 2 days ago
American Airlines
Thu, Jun 11 - Tue, Jun 16
ONT
Ontario
CVG
Cincinnati
CA $653 Roundtrip, found 2 days ago
CA $653
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Jun 11 from Ontario to Cincinnati, returning Tue, Jun 16, priced at CA $653 found 2 days ago
Delta
Thu, Jun 11 - Tue, Jun 16
ONT
Ontario
CVG
Cincinnati
CA $656 Roundtrip, found 2 days ago
CA $656
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Jun 11 from Ontario to Cincinnati, returning Tue, Jun 16, priced at CA $656 found 2 days ago
American Airlines
Thu, Jun 11 - Tue, Jun 16
ONT
Ontario
CVG
Cincinnati
CA $660 Roundtrip, found 2 days ago
CA $660
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Jun 11 from Ontario to Cincinnati, returning Tue, Jun 16, priced at CA $660 found 2 days ago

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 centre is 17 minutes. Flights from CA $619
CVG
Cincinnati - Northern Kentucky Intl.
Cheapest
Average driving time to city centre17 min
Flights from CA $619

Frequently asked questions

What is the cheapest month to fly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
September is typically the cheapest month to fly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.), with average round-trip fares around 849 CAD. This is about 19% lower than the average price throughout the year. September often sees lower prices as the summer travel rush ends and before the holiday season begins, leading to reduced demand. Other cheap months to fly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.) include February and August.*Averages based on flights available on Expedia in the last year.
How do I find cheap flights from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
To find a cheap flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
The best time to fly from Ontario International Airport (ONT) to Cincinnati/Northern Kentucky International Airport (CVG) for a good deal is typically September or August. You can expect average prices around 849 CAD for a round-trip flight during these months. This information is based on booking data from the past year, helping you find a great value for your trip.*Prices based on flights available on Expedia in the last year.
How many flights per day from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
There are approximately 40 connecting flights per day from Los Angeles - Ontario Intl. (ONT) to Cincinnati - Northern Kentucky Intl. (CVG). Some common connection points include Seattle - Tacoma Intl. (SEA), Portland Intl. (PDX), and Denver Intl. (DEN).
What is the earliest flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
The earliest flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.) typically departs at approximately 12:55 AM local time, operated by American Airlines. This is a seasonal service active in September. An early departure like this can help you maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
You'll typically find the most flights from Los Angeles - Ontario Intl. (ONT) to Cincinnati - Northern Kentucky Intl. (CVG) on a Thursday, with around 35 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Southwest Airlines, American Airlines, and Alaska Airlines. Flight schedules show notably more flight options on Thursdays compared to other days of the week.
What are the most popular departure times for flights from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
The most popular departure times for flights from Los Angeles - Ontario Intl. (ONT) to Cincinnati - Northern Kentucky Intl. (CVG) are in the early morning, from 6am to 9am. About 38% of passengers prefer this time. Many major carriers, including Delta Air Lines, American Airlines and United Airlines, offer flights during this window. This timing works well because it allows you to get an early start on your travel day and arrive at your destination with plenty of time.
How long does it take to fly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
A flight from ONT to CVG with a layover takes around 6 hours 20 minutes, with the route covering approximately 1,850 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
Select the "Business class" and "First class" filters when looking for ONT to CVG flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.) flight with Expedia?
It's easy to earn miles on a Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Cincinnati from Los Angeles - Ontario Intl. (ONT)?
From Los Angeles - Ontario Intl. (ONT), you can fly into Cincinnati - Northern Kentucky Intl. (CVG) to reach Cincinnati. Some flights may connect through major hubs like Denver Intl. (DEN), Sky Harbor Intl. (PHX), Harry Reid Intl. (LAS) before reaching Cincinnati. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.) at the last minute?
Typically, booking a last minute flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.) flight and hotel package?
Securing a Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
If you booked your Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Ontario Intl. Airport
Destination airport
Cincinnati - Northern Kentucky Intl.
Airlines serving
Alaska Airlines
Roundtrip price
CA $590
Distance
2959 km

Book with confidence

Los Angeles to Florence Flights

The easy way to book your flights from Ontario Intl. Airport to Cincinnati 

With Expedia, it’s simple to find and book flights to Cincinnati from Ontario Intl. Airport whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Cincinnati - Northern Kentucky Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Ontario Intl. Airport to Cincinnati today, tomorrow, or this week.  

 

Save dollars with cheap flights from Ontario Intl. Airport, ONT to Cincinnati - Northern Kentucky Intl., CVG 

Sort your search results by price to find great deals on your flight from Ontario Intl. Airport to Cincinnati—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Cincinnati from Ontario Intl. Airport currently is just CA $590 rising to CA $660.  

Here are more money-saving tips: 

  • Fly in June when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Cincinnati  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Cincinnati from Ontario Intl. Airport 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Cincinnati with Expedia today.

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