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CA $216 Cheap Flights from Ontario Intl. Airport (ONT) to Cincinnati (CVG)

View CA $216 flight on Tue, Aug 18, 2026Opens in a new window

Popular airlines from 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 $216 for one-way flights and CA $742 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Aug 1 - Sat, Aug 8
ONT
Ontario
CVG
Cincinnati
CA $742 Roundtrip, found 4 days ago
CA $742
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Aug 1 from Ontario to Cincinnati, returning Sat, Aug 8, priced at CA $742 found 4 days ago
American Airlines
Sat, Aug 1 - Sat, Aug 8
ONT
Ontario
CVG
Cincinnati
CA $749 Roundtrip, found 4 days ago
CA $749
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Aug 1 from Ontario to Cincinnati, returning Sat, Aug 8, priced at CA $749 found 4 days ago
American Airlines
Sat, Aug 1 - Sat, Aug 8
ONT
Ontario
CVG
Cincinnati
CA $813 Roundtrip, found 4 days ago
CA $813
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Aug 1 from Ontario to Cincinnati, returning Sat, Aug 8, priced at CA $813 found 4 days ago
American Airlines
Sat, Aug 1 - Sat, Aug 8
ONT
Ontario
CVG
Cincinnati
CA $818 Roundtrip, found 4 days ago
CA $818
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Aug 1 from Ontario to Cincinnati, returning Sat, Aug 8, priced at CA $818 found 4 days ago
American Airlines
Sat, Aug 1 - Sat, Aug 8
ONT
Ontario
CVG
Cincinnati
CA $820 Roundtrip, found 4 days ago
CA $820
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Aug 1 from Ontario to Cincinnati, returning Sat, Aug 8, priced at CA $820 found 4 days ago
American Airlines
Sat, Aug 1 - Sat, Aug 8
ONT
Ontario
CVG
Cincinnati
CA $826 Roundtrip, found 4 days ago
CA $826
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Aug 1 from Ontario to Cincinnati, returning Sat, Aug 8, priced at CA $826 found 4 days ago
Alaska Airlines
Sat, Aug 1 - Sat, Aug 8
ONT
Ontario
CVG
Cincinnati
CA $826 Roundtrip, found 4 days ago
CA $826
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Aug 1 from Ontario to Cincinnati, returning Sat, Aug 8, priced at CA $826 found 4 days ago
American Airlines
Sat, Aug 1 - Sat, Aug 8
ONT
Ontario
CVG
Cincinnati
CA $841 Roundtrip, found 4 days ago
CA $841
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Aug 1 from Ontario to Cincinnati, returning Sat, Aug 8, priced at CA $841 found 4 days ago
American Airlines
Sat, Aug 1 - Sat, Aug 8
ONT
Ontario
CVG
Cincinnati
CA $849 Roundtrip, found 4 days ago
CA $849
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Aug 1 from Ontario to Cincinnati, returning Sat, Aug 8, priced at CA $849 found 4 days ago
American Airlines
Sat, Aug 1 - Sat, Aug 8
ONT
Ontario
CVG
Cincinnati
CA $878 Roundtrip, found 4 days ago
CA $878
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Aug 1 from Ontario to Cincinnati, returning Sat, Aug 8, priced at CA $878 found 4 days ago

Frequently asked questions

How much does a flight from Ontario Intl. Airport (ONT) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.) cost?
You can find one-way and return flights from ONT to CVG with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when ONT to CVG ticket fares go up or down.
What is the cheapest month to fly from Ontario Intl. Airport (ONT) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
September is typically the cheapest month to fly from Ontario Intl. Airport (ONT) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.), with average return fares around CA$485. 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 Intl. Airport (ONT) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.) include February and August.
Which airlines fly direct from Ontario Intl. Airport (ONT) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
Enter ONT to CVG and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Ontario Intl. Airport (ONT) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
Southwest Airlines is one of the cheapest airlines offering connecting return flights from Ontario Intl. Airport (ONT) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.), with prices starting from around CA$354 for flights that can be booked for departure within the next year. These flights typically include a layover in Harry Reid Intl. (LAS). These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Ontario Intl. Airport (ONT) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
To find a cheap flight from Ontario Intl. Airport (ONT) 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 Intl. Airport (ONT) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
The cheapest months to fly from Ontario Intl. Airport (ONT) to Cincinnati - Northern Kentucky Intl. (CVG) are typically September and August, with average return flights around CA$485.
How many flights per day from Ontario Intl. Airport (ONT) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
There are approximately 42 connecting flights per day from Ontario Intl. Airport (ONT) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.). Some common connection points include Portland Intl. (PDX), Seattle - Tacoma Intl. (SEA), and Denver Intl. (DEN).
What is the earliest flight from Ontario Intl. Airport (ONT) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
The earliest flight from Ontario Intl. Airport (ONT) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.) typically departs around 12:55 AM local time. This flight is operated by American Airlines. This is a seasonal service active in September. An early departure like this can help you make the most of 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 Intl. Airport (ONT) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
You'll typically find the most flights from Ontario Intl. Airport (ONT) to Cincinnati, OH (CVG) on a Thursday, with around 37 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Southwest Airlines, Alaska Airlines, and American Airlines. Flight schedules are fairly consistent throughout the week, with Thursday offering only slightly more options than other days.
What are the most popular departure times for flights from Ontario Intl. Airport (ONT) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
The most popular departure times for flights from Ontario Intl. Airport (ONT) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.) are in the morning, from 6am to 9am. Many major carriers, including American Airlines, Delta and Southwest Airlines, offer flights during this window. Many travellers prefer these early morning flights as they allow you to arrive at your destination with plenty of time to start your day.
How long does it take to fly from Ontario Intl. Airport (ONT) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
There are no nonstop flights from Ontario Intl. Airport (ONT) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.). The distance between these two airports is approximately 2977 kilometres. For flights with one stop, you can expect the journey to take around 6 hours 18 minutes. If your flight has two or more stops, the travel time will be longer, typically around 11 hours. Keep in mind that these are average travel times, and your actual flight duration can vary depending on the specific route, layover times, and even weather conditions.
Can you fly business or first class from Ontario Intl. Airport (ONT) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
Yes, you can fly business class or first class between Ontario Intl. Airport (ONT) and Cincinnati - Northern Kentucky Intl. (CVG).You can fly business class with Frontier Airlines and Delta.First class cabins are available on Alaska Airlines, Delta, United, and American Airlines.
How do I earn miles on a Ontario Intl. Airport (ONT) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.) flight with Expedia?
It's easy to earn miles on a Ontario Intl. Airport (ONT) 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, OH (CVG) from Ontario Intl. Airport (ONT)?
If you're planning to travel to Cincinnati from Los Angeles - Ontario Intl. (ONT), you can fly directly into Cincinnati - Northern Kentucky Intl. (CVG). Some flights may connect through major hubs like Denver Intl. (DEN), Sky Harbor Intl. (PHX), or Portland Intl. (PDX) 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 Intl. Airport (ONT) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.) at the last minute?
Typically, booking a last minute flight from Ontario Intl. Airport (ONT) 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 Intl. Airport (ONT) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.) flight and hotel package?
Securing a Ontario Intl. Airport (ONT) 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 Intl. Airport (ONT) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
If you booked your Ontario Intl. Airport (ONT) 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.
Roundtrip price
CA $741
Distance
2959 km

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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 $742 rising to CA $878.  

Here are more money-saving tips: 

  • Fly in August 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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