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$106+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CVG
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
1 adult, Economy
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Cheapflights Tip: The best prices from Ontario to Cincinnati Cinci./N. Kentucky are usually found in October or March, 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 June 16, 2025.

Round-trip from

$201
(CheapOair)

One-way from

$106
(Mytrip)

Popular in

December

Cheapest in

October

Average price

$456
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. 6% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 16, 2025.

This CheapOair deal was found by Cheapflights users on 6/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2712:59 amONT - CVG
1 stop20h 55mFrontier
Tue 7/17:15 amCVG - ONT
1 stop19h 35mFrontier
Deal found 6/14$201
This Hawaiian Airlines deal was found by Cheapflights users on 6/14. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/66:58 pmONT - CVG
1 stop9h 09mHawaiian Airlines
Wed 8/136:37 pmCVG - ONT
1 stop8h 36mHawaiian Airlines
Deal found 6/14$278
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Mon 6/307:00 amONT - CVG
1 stop9h 02mUnited Airlines
Fri 7/48:00 amCVG - ONT
1 stop7h 32mUnited Airlines
Deal found 6/15$279
This Delta deal was found by Cheapflights users on 6/13. 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.
Thu 8/146:00 amONT - CVG
1 stop9h 32mDelta
Wed 8/207:55 pmCVG - ONT
1 stop6h 45mDelta
Deal found 6/13$288
This Alaska Airlines deal was found by Cheapflights users on 6/13. 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.
Mon 6/306:58 pmONT - CVG
1 stop9h 09mAlaska Airlines
Wed 7/26:37 pmCVG - ONT
1 stop8h 36mAlaska Airlines
Deal found 6/13$290
This American Airlines deal was found by Cheapflights users on 6/14. 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 8/611:59 pmONT - CVG
1 stop7h 18mAmerican Airlines
Mon 8/1111:40 amCVG - ONT
2 stops9h 12mAmerican Airlines
Deal found 6/14$303
This Orbitz deal was found by Cheapflights users on 6/14. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/128:09 pmONT - CVG
1 stop10h 36mMultiple Airlines
Sat 7/196:37 pmCVG - ONT
1 stop8h 36mMultiple Airlines
Deal found 6/14$305
This Southwest deal was found by Cheapflights users on 6/15. 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 10/912:50 pmONT - CVG
1 stop8h 15mSouthwest
Tue 10/143:45 pmCVG - ONT
2 stops10h 00mSouthwest
Deal found 6/15$351

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 June 16, 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

Fri 6/27

12:59 am-12:54 am

1 stop20h 55m

Cincinnati Cinci./N. Kentucky

Tue 7/1

7:15 am-11:50 pm

1 stop19h 35m

$201

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Wed 8/6

6:58 pm-7:07 am

1 stop9h 09m

Cincinnati Cinci./N. Kentucky

Wed 8/13

6:37 pm-12:13 am

1 stop8h 36m

$278

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Mon 6/30

7:00 am-7:02 pm

1 stop9h 02m

Cincinnati Cinci./N. Kentucky

Fri 7/4

8:00 am-12:32 pm

1 stop7h 32m

$279

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Thu 8/14

6:00 am-6:32 pm

1 stop9h 32m

Cincinnati Cinci./N. Kentucky

Wed 8/20

7:55 pm-11:40 pm

1 stop6h 45m

$288

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Mon 6/30

6:58 pm-7:07 am

1 stop9h 09m

Cincinnati Cinci./N. Kentucky

Wed 7/2

6:37 pm-12:13 am

1 stop8h 36m

$290

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Wed 8/6

11:59 pm-10:17 am

1 stop7h 18m

Cincinnati Cinci./N. Kentucky

Mon 8/11

11:40 am-5:52 pm

2 stops9h 12m

$303

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Sat 7/12

8:09 pm-9:45 am

1 stop10h 36m

Cincinnati Cinci./N. Kentucky

Sat 7/19

6:37 pm-12:13 am

1 stop8h 36m

$305

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Thu 10/9

12:50 pm-12:05 am

1 stop8h 15m

Cincinnati Cinci./N. Kentucky

Mon 10/13

8:45 pm-11:40 pm

1 stop5h 55m

$365

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Tue 7/15

12:59 am-12:54 am

1 stop20h 55m

$106

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Wed 8/13

6:58 pm-7:07 am

1 stop9h 09m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Showing 1-10 of 16 results
1
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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 June 13, 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 June 16, 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.

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 June 16, 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

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

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

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

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
4,285 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

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
7,963 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,499 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

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
8,798 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

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 $201. Additional round-trip tickets that might be worth considering are offered by Hawaiian Airlines and United Airlines, with the lowest prices starting at $278 and $279, respectively. These flights start at 52% 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 ($106), Alaska Airlines ($139), and Delta ($159).

  • 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
Hebron
Lawrenceburg
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 June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$157Average$248FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$322Average$425FlexibilityNo cancel feeOn-time71%
DeltaCheapest$322Average$466FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$350Average$432FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$384Average$559FlexibilityNo cancel feeOn-time69%

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