$117+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
CVG — ONT
Oct 2 — Oct 91
Round-trip
1 adult, Economy
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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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Cincinnati to Ontario
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Cheapest flights from Cincinnati to OntarioExplore 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 September 2, 2026.
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 September 2, 2026.
This Frontier deal was found by Cheapflights users on 9/1. 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 9/305:16 pm -
1 stop9h 31m
Mon 10/58:24 pm -
1 stop7h 23m
Deal found 9/1![Frontier logo]()
$258
This Frontier deal was found by Cheapflights users on 9/1. 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.
Fri 9/255:16 pm -
1 stop9h 31m
Mon 9/288:24 pm -
1 stop7h 23m
Deal found 9/1![Frontier logo]()
$265
This Frontier deal was found by Cheapflights users on 8/27. 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 9/235:16 pm -
1 stop9h 31m
Sat 9/266:15 am -
1 stop6h 56m
Deal found 8/27![Frontier logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1612:43 pm -
2 stops38h 07m
Thu 10/2211:52 am -
1 stop24h 35m
Deal found 8/28![Frontier logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:32 pm -
1 stop20h 57m
Fri 10/236:15 am -
1 stop6h 12m
Deal found 8/28![Frontier logo]()
$310
This CheapOair deal was found by Cheapflights users on 9/1. 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.
Thu 10/224:32 pm -
1 stop20h 57m
Sun 10/251:38 pm -
1 stop13h 26m
Deal found 9/1![Frontier logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:32 pm -
1 stop10h 18m
Sat 10/2411:52 am -
1 stop24h 35m
Deal found 8/28![Frontier logo]()
$320
This Frontier deal was found by Cheapflights users on 8/27. 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.
Fri 9/185:16 pm -
1 stop9h 31m
Sun 9/208:24 pm -
1 stop7h 23m
Deal found 8/27![Frontier logo]()
$321
This Frontier deal was found by Cheapflights users on 8/31. 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.
Fri 9/255:16 pm -
1 stop9h 31m
Sat 9/266:15 am -
1 stop6h 56m
Deal found 8/31![Frontier logo]()
$326
This Frontier deal was found by Cheapflights users on 9/1. 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.
Sat 9/195:16 pm -
1 stop9h 31m
Wed 9/236:15 am -
1 stop6h 56m
Deal found 9/1![Frontier logo]()
$329
This Frontier deal was found by Cheapflights users on 9/1. 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.
Fri 9/255:16 pm -
1 stop9h 31m
Sun 9/277:46 pm -
1 stop11h 02m
Deal found 9/1![Frontier logo]()
$330
Best flights from Cincinnati to OntarioDiscover carefully curated flight deals from Cincinnati to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.
Discover carefully curated flight deals from Cincinnati to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1212:43 pm -
2 stops24h 46m
Sat 10/176:15 am -
1 stop6h 12m
Deal found 9/1![Frontier logo]()
$294
This Delta deal was found by Cheapflights users on 8/28. 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 10/17:30 pm -
1 stop7h 17m
Fri 10/911:15 pm -
1 stop8h 03m
Deal found 8/28![Delta logo]()
$356
This United Airlines deal was found by Cheapflights users on 8/28. 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 10/297:00 am -
1 stop8h 29m
Sun 11/15:00 am -
1 stop6h 19m
Deal found 8/28![United Airlines logo]()
$452
This Delta deal was found by Cheapflights users on 8/29. 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 11/37:00 am -
1 stop7h 06m
Sat 11/76:00 am -
1 stop6h 15m
Deal found 8/29![Delta logo]()
$357
This Delta deal was found by Cheapflights users on 8/30. 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 9/247:30 pm -
1 stop7h 17m
Sat 9/267:05 am -
1 stop7h 15m
Deal found 8/30![Delta logo]()
$388
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Fri 10/307:00 am -
1 stop8h 29m
Sun 11/19:25 am -
1 stop7h 40m
Deal found 8/31![United Airlines logo]()
$452
This Delta deal was found by Cheapflights users on 8/30. 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 9/247:30 pm -
1 stop7h 17m
Tue 9/297:05 am -
1 stop6h 57m
Deal found 8/30![Delta logo]()
$419
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Sat 9/263:27 pm -
2 stops10h 32m
Sun 9/276:00 am -
1 stop7h 09m
Deal found 8/31![United Airlines logo]()
$462
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Wed 9/3011:52 am -
2 stops14h 07m
Sat 10/31:22 pm -
1 stop6h 27m
Deal found 8/31![United Airlines logo]()
$462
This United Airlines deal was found by Cheapflights users on 8/29. 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 9/2211:17 am -
2 stops12h 36m
Sat 9/266:00 am -
1 stop7h 09m
Deal found 8/29![United Airlines logo]()
$462
Last-minute flights from Cincinnati to OntarioDiscover last-minute flight deals from Cincinnati to Ontario. Data last updated September 2, 2026 and is based on user searches.
Discover last-minute flight deals from Cincinnati to Ontario. Data last updated September 2, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 9/1. 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.
Thu 9/105:16 pm -
1 stop9h 31m
Mon 9/148:24 pm -
1 stop7h 23m
Deal found 9/1![Frontier logo]()
$319
This Frontier deal was found by Cheapflights users on 9/1. 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.
Sat 9/195:16 pm -
1 stop9h 31m
Wed 9/236:15 am -
1 stop6h 56m
Deal found 9/1![Frontier logo]()
$329
This CheapOair deal was found by Cheapflights users on 9/1. 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.
Wed 9/235:16 pm -
1 stop20h 14m
Sat 9/266:15 am -
1 stop6h 56m
Deal found 9/1![Frontier logo]()
$268
This Frontier deal was found by Cheapflights users on 9/1. 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.
Fri 9/255:16 pm -
1 stop9h 31m
Mon 9/288:24 pm -
1 stop7h 23m
Deal found 9/1![Frontier logo]()
$265
This Frontier deal was found by Cheapflights users on 8/31. 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.
Fri 9/255:16 pm -
1 stop9h 31m
Sat 9/266:15 am -
1 stop6h 56m
Deal found 8/31![Frontier logo]()
$326
This Frontier deal was found by Cheapflights users on 9/1. 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 9/305:16 pm -
1 stop9h 31m
Mon 10/58:24 pm -
1 stop7h 23m
Deal found 9/1![Frontier logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1212:43 pm -
2 stops24h 46m
Sat 10/176:15 am -
1 stop6h 12m
Deal found 9/1![Frontier logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1612:43 pm -
2 stops38h 07m
Thu 10/2211:52 am -
1 stop24h 35m
Deal found 8/28![Frontier logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:32 pm -
1 stop20h 57m
Fri 10/236:15 am -
1 stop6h 12m
Deal found 8/28![Frontier logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:32 pm -
1 stop10h 18m
Sat 10/2411:52 am -
1 stop24h 35m
Deal found 8/28![Frontier logo]()
$320
This CheapOair deal was found by Cheapflights users on 9/1. 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.
Thu 10/224:32 pm -
1 stop20h 57m
Sun 10/251:38 pm -
1 stop13h 26m
Deal found 9/1![Frontier logo]()
$318
One-way flights from Cincinnati to OntarioSearch for one-way flight options from Cincinnati to Ontario. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
Search for one-way flight options from Cincinnati to Ontario. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1712:43 pm -
2 stops38h 08m
Deal found 9/1![Frontier logo]()
$117
This Super.com deal was found by Cheapflights users on 9/1. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:20 am -
1 stop28h 20m
Deal found 9/1![Frontier logo]()
$133
This Mytrip deal was found by Cheapflights users on 9/1. 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.
Wed 9/235:16 pm -
1 stop20h 14m
Deal found 9/1![Frontier logo]()
$135
This Super.com deal was found by Cheapflights users on 9/1. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:34 pm -
1 stop16h 55m
Deal found 9/1![Frontier logo]()
$139
This Frontier deal was found by Cheapflights users on 9/1. 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.
Sat 10/104:32 pm -
1 stop10h 18m
Deal found 9/1![Frontier logo]()
$142
This Super.com deal was found by Cheapflights users on 8/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:45 am -
1 stop27h 24m
Deal found 8/30![Frontier logo]()
$166
Find 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 September 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $258 (Frontier) |
One-way from | $117 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $376 |
Cheapflights Fare Finder
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 7,457,451 searches. Data last updated September 2, 2026.
Use the filters below to find and compare flights from Cincinnati to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
CincinnatiOntario
CVG Cincinnati Cinci./N. Kentucky - ONT Ontario
CVGONT
Cincinnati Cinci./N. Kentucky
Mon 10/12
12:43 pm-10:29 am
2 stops24h 46m
Ontario
Sat 10/17
6:15 am-3:27 pm
1 stop6h 12m
$294
CincinnatiOntario
CVG Cincinnati Cinci./N. Kentucky - ONT Ontario
CVGONT
Cincinnati Cinci./N. Kentucky
Thu 10/1
7:30 pm-11:47 pm
1 stop7h 17m
Ontario
Fri 10/9
11:15 pm-10:18 am
1 stop8h 03m
$356
Quickest round-trip
CincinnatiOntario
CVG Cincinnati Cinci./N. Kentucky - ONT Ontario
CVGONT
Cincinnati Cinci./N. Kentucky
Tue 11/3
7:00 am-11:06 am
1 stop7h 06m
Ontario
Sat 11/7
6:00 am-3:15 pm
1 stop6h 15m
$357
CincinnatiOntario
CVG Cincinnati Cinci./N. Kentucky - ONT Ontario
CVGONT
Cincinnati Cinci./N. Kentucky
Thu 9/24
7:30 pm-11:47 pm
1 stop7h 17m
Ontario
Sat 9/26
7:05 am-5:20 pm
1 stop7h 15m
$388
CincinnatiOntario
CVG Cincinnati Cinci./N. Kentucky - ONT Ontario
CVGONT
Cincinnati Cinci./N. Kentucky
Thu 9/24
7:30 pm-11:47 pm
1 stop7h 17m
Ontario
Tue 9/29
7:05 am-5:02 pm
1 stop6h 57m
$419
CincinnatiOntario
CVG Cincinnati Cinci./N. Kentucky - ONT Ontario
CVGONT
Cincinnati Cinci./N. Kentucky
Thu 10/29
7:00 am-12:29 pm
1 stop8h 29m
Ontario
Sun 11/1
5:00 am-2:19 pm
1 stop6h 19m
$452
CincinnatiOntario
CVG Cincinnati Cinci./N. Kentucky - ONT Ontario
CVGONT
Cincinnati Cinci./N. Kentucky
Fri 10/30
7:00 am-12:29 pm
1 stop8h 29m
Ontario
Sun 11/1
9:25 am-8:05 pm
1 stop7h 40m
$452
CincinnatiOntario
CVG Cincinnati Cinci./N. Kentucky - ONT Ontario
CVGONT
Cincinnati Cinci./N. Kentucky
Sat 9/26
3:27 pm-10:59 pm
2 stops10h 32m
Ontario
Sun 9/27
6:00 am-4:09 pm
1 stop7h 09m
$462
CincinnatiOntario
CVG Cincinnati Cinci./N. Kentucky - ONT Ontario
CVGONT
Cincinnati Cinci./N. Kentucky
Wed 9/30
11:52 am-10:59 pm
2 stops14h 07m
Ontario
Sat 10/3
1:22 pm-10:49 pm
1 stop6h 27m
$462
CincinnatiOntario
CVG Cincinnati Cinci./N. Kentucky - ONT Ontario
CVGONT
Cincinnati Cinci./N. Kentucky
Tue 9/22
11:17 am-8:53 pm
2 stops12h 36m
Ontario
Sat 9/26
6:00 am-4:09 pm
1 stop7h 09m
$462
Showing 1-10 of 21 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- 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.
CVG-ONT
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 Cincinnati to Ontario
Prices
More
What is the cheapest month to book a flight from Cincinnati to Ontario?
Currently, January is the cheapest month in which you can book a flight from Cincinnati to Ontario (average of $336). Flying from Cincinnati to Ontario in June is currently the most expensive (average of $516). 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.
How much does it cost to fly round-trip from Cincinnati to Ontario?
Airfare is typical for this route at the moment.
Cincinnati to Ontario flights typically cost between $162 and $490 in September.The cheapest round-trip price found within the last 5 days was $258 on Frontier (Sep 30-Oct 5).
What’s the top layover airport for flights from Cincinnati to Ontario?
Share of 1-stop round-trip flights from Cincinnati to Ontario chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 50% of 1-stop itineraries from Cincinnati to Ontario on Cheapflights.
What’s the cheapest layover airport for flights from Cincinnati to Ontario?
Average round-trip fare for 1-stop flights from Cincinnati to Ontario, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $270.
What’s the fastest layover option from Cincinnati to Ontario?
Shortest average travel time for 1-stop one-way flights from Cincinnati to Ontario, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 13h 59m.
Which airport typically offers the quickest layover for flights from Cincinnati to Ontario?
Average layover duration for 1-stop one-way flights from Cincinnati to Ontario, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 14h 33m.
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 September 2, 2026.
Read through reviews of airlines operating flights from Cincinnati to Ontario, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Food
7.2
Overall
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.8
Food
7.2
Overall
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.8
Food
7.2
Overall
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.8
Food
7.2
Overall
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.8
Food
7.2
Overall
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
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.
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Alternative routes for Cincinnati to Ontario
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Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 2, 2026.
Cincinnati and Ontario flights
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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 7,457,451 searches. Data last updated September 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$157 | Average$316 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$336 | Average$503 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$337 | Average$452 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$373 | Average$412 | FlexibilityNo cancel fee | On-time69% |