HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$65+ Cheap flights from Cincinnati to Ontario (CVG - ONT)

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
CVG — ONT
Jan 21 — Jan 281
Tue 1/21
Tue 1/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Cincinnati to Ontario 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 Cincinnati Cinci./N. Kentucky to Ontario are usually found in January or March, booked 43 days in advance, depart on a Thursday or Sunday and return on a Wednesday

Cheap flight deals from Cincinnati to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Cincinnati (CVG) to Ontario (ONT). 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 January 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$136
(Gotogate)

One-way from

$65
(Cheapflightsfares)

Popular in

July

Cheapest in

January

Average price

$204
Provider with most accurate pricing for Cincinnati Cinci./N. Kentucky-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Cincinnati Cinci./N. Kentucky-Ontario flights.
Search Deals
From Cincinnati Cinci./N. Kentucky to Ontario
Search Deals
One-way flight from Cincinnati Cinci./N. Kentucky to Ontario
Search Deals
High demand for flights, 6% potential price rise
Search Deals
Best time to find cheap flights, 2% potential price drop
Search Deals
Average for round-trip flights in January 2025
Search Deals

Find flight deals from Cincinnati to Ontario

Cheapest flights from Cincinnati to Ontario
Explore the most affordable flight options available from Cincinnati to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

This Frontier deal was found by Cheapflights users on 1/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/124:31 pmCVG - ONT
1 stop10h 38mFrontier
Mon 3/172:43 pmONT - CVG
1 stop11h 23mFrontier
Deal found 1/14$130
This Delta deal was found by Cheapflights users on 1/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/116:00 pmCVG - ONT
1 stop7h 52mDelta
Tue 2/181:05 pmONT - CVG
1 stop7h 54mDelta
Deal found 1/15$323
This American Airlines deal was found by Cheapflights users on 1/16. 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.
Fri 2/2112:42 pmCVG - ONT
2 stops8h 44mAmerican Airlines
Fri 2/2111:59 pmONT - CVG
1 stop9h 00mAmerican Airlines
Deal found 1/16$348
This United Airlines deal was found by Cheapflights users on 1/16. 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.
Thu 2/137:15 amCVG - ONT
2 stops10h 14mUnited Airlines
Thu 2/201:44 pmONT - CVG
1 stop5h 45mUnited Airlines
Deal found 1/16$378
This Orbitz deal was found by Cheapflights users on 1/15. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1110:53 amCVG - ONT
2 stops16h 06mMultiple Airlines
Mon 4/142:43 pmONT - CVG
1 stop11h 32mMultiple Airlines
Deal found 1/15$389
This Alaska Airlines deal was found by Cheapflights users on 1/16. 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.
Fri 3/146:49 pmCVG - ONT
1 stop29h 11mAlaska Airlines
Sun 3/167:00 amONT - CVG
2 stops31h 34mAlaska Airlines
Deal found 1/16$398
This Southwest deal was found by Cheapflights users on 1/15. 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.
Sat 2/88:00 amCVG - ONT
2 stops12h 10mSouthwest
Sun 2/911:25 amONT - CVG
1 stop6h 20mSouthwest
Deal found 1/15$416

Find flights from Cincinnati to Ontario within your budget

Customize your flight search to find flights from Cincinnati to Ontario 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 January 16, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Sat 3/1

7:59 pm-7:26 am

1 stop14h 27m

Ontario

Thu 3/6

10:44 am-5:06 am

1 stop15h 22m

$136

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Wed 2/19

6:00 pm-10:52 pm

1 stop7h 52m

Ontario

Sat 2/22

1:05 pm-11:59 pm

1 stop7h 54m

$323

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Fri 2/21

12:42 pm-6:26 pm

2 stops8h 44m

Ontario

Fri 2/21

11:59 pm-11:59 am

1 stop9h 00m

$348

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Thu 2/13

7:15 am-2:29 pm

2 stops10h 14m

Ontario

Thu 2/20

1:44 pm-10:29 pm

1 stop5h 45m

$378

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Fri 3/14

6:49 pm-9:00 pm

1 stop29h 11m

Ontario

Sun 3/16

7:00 am-5:34 pm

2 stops31h 34m

$398

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Wed 5/7

2:25 pm-7:30 pm

2 stops8h 05m

Ontario

Sun 5/18

6:00 am-7:00 pm

2 stops10h 00m

$473

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Wed 1/29

11:10 am-8:13 pm

2 stops12h 03m

Ontario

Mon 2/3

1:46 pm-11:50 pm

1 stop7h 04m

$624

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Thu 4/3

7:25 am-5:13 pm

1 stop12h 48m

$71

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Fri 2/21

12:42 pm-6:26 pm

2 stops8h 44m

$177

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Tue 3/18

3:20 pm-8:57 pm

1 stop8h 37m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 12 results
1
2

Compare providers for flights from Cincinnati to Ontario

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 Cincinnati to Ontario in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 Cincinnati-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cincinnati-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Cincinnati-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Cincinnati-Ontario 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 Cincinnati-Ontario 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 Cincinnati to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Cincinnati 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 Cincinnati to Ontario

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

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

Use this chart to determine the optimal time to book a round-trip flight from Cincinnati to Ontario. Price data was last updated on January 10, 2025.

The best time to book flights from Cincinnati to Ontario is 43 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Cincinnati to Ontario (average of $246). Flying from Cincinnati to Ontario in March is currently the most expensive (average of $311). 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 CVG to ONT?

Find hourly flight availability from Cincinnati to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Cincinnati to Ontario at noon. If you’re flexible enough to do this you can expect to save up to 27% on your trip compared to booking a flight in the afternoon.

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

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

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

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated January 16, 2025.
Read reviews from past customers who have flown Frontier, Delta and Alaska Airlines from Cincinnati to Ontario. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,659 reviews

Overall

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,659 reviews
Southwest
8.1
Very good
4,659 reviews

Overall

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,681 reviews
Southwest
8.1
Very good
4,659 reviews

Overall

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,511 reviews
Southwest
8.1
Very good
4,659 reviews

Overall

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
8,965 reviews
Southwest
8.1
Very good
4,659 reviews

Overall

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,659 reviews

Overall

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from Cincinnati to Ontario. 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 Cincinnati to Ontario round-trip?

    According to our current data, Frontier ($136), Delta ($323), and American Airlines ($348) offers the cheapest pricing from Cincinnati to Ontario. You may be able to fly from Cincinnati to Ontario for 64% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $65. American Airlines flights start at $177 while deals on United Airlines start at $207 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Cincinnati to Ontario 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 Cincinnati to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Cincinnati to Ontario (average of $246). Flying from Cincinnati to Ontario in March is currently the most expensive (average of $311). 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

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 Cincinnati to Ontario

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

Top 4 airlines flying from Cincinnati to Ontario

Discover the top 4 airlines that operate flights from Cincinnati to Ontario. 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 January 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$155Average$273FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$297Average$518FlexibilityNo cancel feeOn-time71%
DeltaCheapest$314Average$480FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$320Average$530FlexibilityNo 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.