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$107+ 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CVG
May 17 — May 241
Sat 5/17
Sat 5/24
1 adult, Economy
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Cheapflights Tip: The best prices from Ontario to Cincinnati Cinci./N. Kentucky are usually found in July or October, booked 81 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 May 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$216
(Trip.com)

One-way from

$107
(Mytrip)

Popular in

December

Cheapest in

July

Average price

$435
Provider with most accurate pricing for Ontario-Cincinnati Cinci./N. Kentucky flight deals.
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Provider most trusted by Cheapflights users for Ontario-Cincinnati Cinci./N. Kentucky flights.
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From Ontario to Cincinnati Cinci./N. Kentucky
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One-way flight from Ontario to Cincinnati Cinci./N. Kentucky
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Highest demand for flights based on searches. 7% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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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 May 12, 2025.

This Trip.com deal was found by Cheapflights users on 5/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/56:00 amONT - CVG
1 stop15h 55mFrontier
Mon 6/93:46 pmCVG - ONT
1 stop8h 05mFrontier
Deal found 5/12$216
This Delta deal was found by Cheapflights users on 5/12. 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.
Sat 10/412:00 pmONT - CVG
1 stop8h 55mDelta
Tue 10/73:30 pmCVG - ONT
1 stop7h 12mDelta
Deal found 5/12$335
This Trip.com deal was found by Cheapflights users on 5/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/117:20 pmONT - CVG
1 stop8h 47mHawaiian Airlines
Wed 6/186:37 pmCVG - ONT
1 stop8h 36mHawaiian Airlines
Deal found 5/11$337
This American Airlines deal was found by Cheapflights users on 5/11. 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.
Wed 6/412:45 pmONT - CVG
1 stop6h 24mAmerican Airlines
Sat 6/712:43 pmCVG - ONT
2 stops8h 29mAmerican Airlines
Deal found 5/11$344
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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.
Thu 10/26:00 amONT - CVG
1 stop8h 37mAlaska Airlines
Tue 10/76:49 pmCVG - ONT
1 stop8h 10mAlaska Airlines
Deal found 5/12$357
This United Airlines deal was found by Cheapflights users on 5/12. 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 5/275:10 amONT - CVG
1 stop6h 20mUnited Airlines
Sat 5/313:32 pmCVG - ONT
2 stops10h 13mUnited Airlines
Deal found 5/12$362
This Southwest deal was found by Cheapflights users on 5/12. 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 7/312:55 pmONT - CVG
2 stops7h 30mSouthwest
Thu 7/106:35 amCVG - ONT
2 stops11h 50mSouthwest
Deal found 5/12$425

Cheapflights Fare Finder

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 May 12, 2025.
Use the filters below to find and compare flights from Ontario to Cincinnati that are best for you.

Fly from

Ontario

Fly to

Cincinnati

Route

Depart

Return

Price

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Thu 6/5

6:00 am-12:55 am

1 stop15h 55m

Cincinnati Cinci./N. Kentucky

Mon 6/9

3:46 pm-8:51 pm

1 stop8h 05m

$216

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Sat 10/4

12:00 pm-11:55 pm

1 stop8h 55m

Cincinnati Cinci./N. Kentucky

Tue 10/7

3:30 pm-7:42 pm

1 stop7h 12m

$335

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Wed 6/11

7:20 pm-7:07 am

1 stop8h 47m

Cincinnati Cinci./N. Kentucky

Wed 6/18

6:37 pm-12:13 am

1 stop8h 36m

$337

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Wed 6/4

12:45 pm-10:09 pm

1 stop6h 24m

Cincinnati Cinci./N. Kentucky

Sat 6/7

12:43 pm-6:12 pm

2 stops8h 29m

$344

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Thu 10/2

6:00 am-5:37 pm

1 stop8h 37m

Cincinnati Cinci./N. Kentucky

Tue 10/7

6:49 pm-11:59 pm

1 stop8h 10m

$357

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Tue 5/27

5:10 am-2:30 pm

1 stop6h 20m

Cincinnati Cinci./N. Kentucky

Sat 5/31

3:32 pm-10:45 pm

2 stops10h 13m

$362

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Thu 7/3

12:55 pm-11:25 pm

2 stops7h 30m

Cincinnati Cinci./N. Kentucky

Thu 7/10

6:35 am-3:25 pm

2 stops11h 50m

$425

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Fri 5/23

12:59 am-12:55 am

1 stop20h 56m

$107

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Tue 6/3

6:00 am-6:41 pm

1 stop9h 41m

$170

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Wed 5/21

6:00 am-5:40 pm

1 stop8h 40m

$218

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 12 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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust 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 eDreams the most. eDreams 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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Cincinnati

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 May 9, 2025.

To ensure you get the cheapest price possible for a flight from Ontario to Cincinnati, you should look to book at least 80 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 May 12, 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 May 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,290 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,432 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,724 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $216. Additional round-trip tickets that might be worth considering are offered by Delta and Hawaiian Airlines, with the lowest prices starting at $335 and $337, respectively. These flights start at 48% 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 ($107), Delta ($170), and Alaska Airlines ($218).

  • 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
Newport
Florence
Mason
West Chester
Covington
Lawrenceburg
Hebron
Fairfield
Blue Ash
Williamstown
Middletown
Sparta
Oxford
Dry Ridge
Edgewood

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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 May 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$157Average$244FlexibilityNo cancel feeOn-time62%
DeltaCheapest$322Average$473FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$326Average$433FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$350Average$438FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$384Average$559FlexibilityNo cancel feeOn-time69%

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