HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Cincinnati

$71+ Cheap flights from Ontario to Cincinnati (ONT - CVG)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CVG
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Cincinnati with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Ontario to Cincinnati Cinci./N. Kentucky are usually found in October or May, booked 60 days in advance, depart on a Wednesday or Monday and return on a Thursday

Cheap flight deals from Ontario to Cincinnati

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Cincinnati (CVG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$138
(Mytrip)

One-way from

$71
(Frontier)

Popular in

December

Cheapest in

October

Average price

$408
Provider with most accurate pricing for Ontario-Cincinnati Cinci./N. Kentucky flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Cincinnati Cinci./N. Kentucky flights.
Search Deals
From Ontario to Cincinnati Cinci./N. Kentucky
Search Deals
One-way flight from Ontario to Cincinnati Cinci./N. Kentucky
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

Find flight deals from Ontario to Cincinnati

Cheapest flights from Ontario to Cincinnati
Explore the most affordable flight options available from Ontario to Cincinnati. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/110:15 pmONT - CVG
1 stop27h 45mFrontier
Mon 5/57:51 pmCVG - ONT
1 stop17h 03mFrontier
Deal found 2/20$138
This Delta deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/15:40 amONT - CVG
1 stop10h 01mDelta
Wed 4/26:24 amCVG - ONT
1 stop18h 58mDelta
Deal found 2/20$263
This American Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/259:32 amONT - CVG
2 stops9h 22mAmerican Airlines
Sat 3/296:20 pmCVG - ONT
1 stop6h 40mAmerican Airlines
Deal found 2/20$308
This United Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/256:45 pmONT - CVG
2 stops11h 52mUnited Airlines
Sat 3/292:10 pmCVG - ONT
2 stops9h 47mUnited Airlines
Deal found 2/20$314
This Alaska Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/16:00 amONT - CVG
1 stop8h 36mAlaska Airlines
Tue 4/86:36 pmCVG - ONT
1 stop19h 03mAlaska Airlines
Deal found 2/20$372
This Southwest deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/611:35 amONT - CVG
1 stop8h 10mSouthwest
Sun 3/96:10 pmCVG - ONT
2 stops8h 55mSouthwest
Deal found 2/20$430

Find flights from Ontario to Cincinnati within your budget

Customize your flight search to find flights from Ontario to Cincinnati that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.

Fly from

Ontario

Fly to

Cincinnati

Route

Depart

Return

Price

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Thu 5/1

10:15 pm-5:00 am

1 stop27h 45m

Cincinnati Cinci./N. Kentucky

Mon 5/5

7:51 pm-9:54 am

1 stop17h 03m

$138

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Tue 4/1

5:40 am-6:41 pm

1 stop10h 01m

Cincinnati Cinci./N. Kentucky

Wed 4/2

6:24 am-10:22 pm

1 stop18h 58m

$263

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Tue 3/25

9:32 am-9:54 pm

2 stops9h 22m

Cincinnati Cinci./N. Kentucky

Sat 3/29

6:20 pm-10:00 pm

1 stop6h 40m

$308

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Tue 3/25

6:45 pm-9:37 am

2 stops11h 52m

Cincinnati Cinci./N. Kentucky

Sat 3/29

2:10 pm-8:57 pm

2 stops9h 47m

$314

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Tue 4/1

6:00 am-5:36 pm

1 stop8h 36m

Cincinnati Cinci./N. Kentucky

Tue 4/8

6:36 pm-10:39 am

1 stop19h 03m

$372

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Thu 3/6

11:35 am-10:45 pm

1 stop8h 10m

Cincinnati Cinci./N. Kentucky

Sun 3/9

6:10 pm-12:05 am

2 stops8h 55m

$430

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Wed 3/5

12:59 am-11:10 am

1 stop7h 11m

Cincinnati Cinci./N. Kentucky

Sun 3/9

7:04 am-6:19 pm

2 stops14h 15m

$572

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Tue 3/11

2:43 pm-5:06 am

1 stop11h 23m

$71

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Mon 4/28

10:15 pm-9:34 am

1 stop8h 19m

$162

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Fri 3/7

6:45 pm-9:37 am

2 stops11h 52m

$192

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 15 results
1
2

Compare providers for flights from Ontario to Cincinnati

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Cincinnati in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Cincinnati flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Cincinnati flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Cincinnati flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Cincinnati flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Cincinnati flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Cincinnati

Have a flexible travel schedule? Discover the best time to fly to Cincinnati from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ontario to Cincinnati

Get recent, data-driven insights about flights from Ontario to Cincinnati including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Ontario to Cincinnati?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Cincinnati. Price data was last updated on February 14, 2025.

To ensure you get the cheapest price possible for a flight from Ontario to Cincinnati, you should look to book at least 60 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Ontario to Cincinnati?

Currently, August is the cheapest month in which you can book a flight from Ontario to Cincinnati (average of $239). Flying from Ontario to Cincinnati in March is currently the most expensive (average of $292). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to CVG?

Find hourly flight availability from Ontario to Cincinnati. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

It’s optimal to fly from Ontario to Cincinnati in the evening. By choosing this option you can save up to 48% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Ontario to Cincinnati?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Cincinnati. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Ontario to Cincinnati flight should consider departing on Wednesday evenings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Cincinnati by month

Plan your trip to Cincinnati by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Cincinnati ranges from 2.8 - 4.2 inches per month. May is typically the wettest month, when rainfall can reach 4.2 in. September is typically the driest time to visit Cincinnati when rainfall is around 2.8 in.

Temperature in Cincinnati by month

Plan your trip to Cincinnati by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Cincinnati, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Cincinnati

Get insights into the airlines that provide service to Cincinnati. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cincinnati. Reviews last updated February 20, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta from Ontario to Cincinnati by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Related info for your journey

Find useful and relevant information for your journey from Ontario to Cincinnati. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Ontario to Cincinnati round-trip?

    Flying on Frontier is currently your cheapest option to Cincinnati, with prices starting at $138. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $263 and $308, respectively. These flights start at 66% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Ontario to Cincinnati one-way?

    The cheapest airlines for a one-way flight from Ontario to Cincinnati are Frontier ($71), Delta ($162), and United Airlines ($192).

  • Can I find deals for flights from Ontario to Cincinnati that include hotel bookings?

    Yes. In addition to deals on Ontario to Cincinnati flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Cincinnati?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Cincinnati.

  • Can I find deals for business class flights from Ontario to Cincinnati?

    Yes. Cheapflights offers flight deals from Ontario to Cincinnati by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Cincinnati?

    Currently, August is the cheapest month in which you can book a flight from Ontario to Cincinnati (average of $239). Flying from Ontario to Cincinnati in March is currently the most expensive (average of $292). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Sharonville
Mason
Florence
West Chester
Lawrenceburg
Fairfield
Middletown
Blue Ash
Williamstown
Hebron
Covington
Monroe
Sparta
Oxford
Dry Ridge
Edgewood

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Cincinnati

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Detroit flights
San Francisco to Detroit flights
Los Angeles to Cleveland flights
San Francisco to Pittsburgh flights
Los Angeles to Cincinnati flights
San Francisco to Cleveland flights
Los Angeles to Columbus flights
San Francisco to Columbus flights
Ontario to Detroit flights
San Diego to Detroit flights
Los Angeles to Pittsburgh flights
Burbank to Detroit flights
Las Vegas to Detroit flights
Santa Ana to Detroit flights
San Jose to Detroit flights
Oakland to Detroit flights
Ontario to Columbus flights
San Francisco to Cincinnati flights
Ontario to Cleveland flights
Ontario to Pittsburgh flights
Santa Ana to Cincinnati flights
Santa Ana to Columbus flights
Las Vegas to Cincinnati flights
Los Angeles to Dayton flights
Burbank to Columbus flights
Las Vegas to Pittsburgh flights
Ontario to Dayton flights
San Jose to Pittsburgh flights
Sacramento to Detroit flights
Oakland to Pittsburgh flights
San Diego to Pittsburgh flights
Las Vegas to Cleveland flights
Burbank to Cincinnati flights
Santa Ana to Pittsburgh flights
San Jose to Cleveland flights
Burbank to Pittsburgh flights
San Francisco to Dayton flights
Sacramento to Cleveland flights
Long Beach to Cincinnati flights
San Diego to Columbus flights
Las Vegas to Columbus flights
San Diego to Cincinnati flights
San Diego to Cleveland flights
Oakland to Columbus flights
Sacramento to Columbus flights
Oakland to Cleveland flights
Santa Ana to Cleveland flights
Sacramento to Cincinnati flights
Sacramento to Pittsburgh flights

Top 5 airlines flying from Ontario to Cincinnati

Discover the top 5 airlines that operate flights from Ontario to Cincinnati. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$110Average$236FlexibilityNo cancel feeOn-time62%
DeltaCheapest$322Average$447FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$328Average$512FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$350Average$448FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$379Average$523FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.