$84+ Cheap flights from Cincinnati to Ontario (CVG - ONT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
CVG — ONT
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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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 October 30, 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 October 30, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:02 pm -
1 stop6h 15m
Fri 12/1111:30 am -
1 stop27h 29m
Deal found 10/28![Frontier logo]()
$178
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/24:54 pm -
2 stops20h 51m
Wed 12/96:00 am -
1 stop8h 59m
Deal found 10/29![Frontier logo]()
$188
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/79:24 am -
2 stops16h 59m
Wed 12/96:00 am -
1 stop8h 59m
Deal found 10/29![Frontier logo]()
$194
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/127:02 pm -
1 stop6h 15m
Tue 12/1511:30 am -
1 stop27h 29m
Deal found 10/28![Frontier logo]()
$195
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/14:44 pm -
2 stops19h 44m
Mon 12/76:00 am -
1 stop8h 59m
Deal found 10/29![Frontier logo]()
$198
This Trip.com deal was found by Cheapflights users on 10/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/117:02 pm -
1 stop18h 43m
Mon 12/146:00 am -
1 stop8h 59m
Deal found 10/28![Frontier logo]()
$201
This Mytrip deal was found by Cheapflights users on 10/25. 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.
Tue 12/89:13 am -
2 stops29h 38m
Sat 12/126:00 am -
1 stop8h 59m
Deal found 10/25![Frontier logo]()
$207
This Trip.com deal was found by Cheapflights users on 10/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:02 pm -
1 stop8h 15m
Mon 12/76:00 am -
1 stop8h 59m
Deal found 10/28![Frontier logo]()
$215
This Frontier deal was found by Cheapflights users on 10/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:02 pm -
1 stop6h 15m
Mon 12/76:00 am -
1 stop8h 59m
Deal found 10/28![Frontier logo]()
$217
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 October 30, 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 October 30, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/288:10 am -
1 stop10h 10m
Mon 2/14:16 pm -
1 stop25h 24m
Deal found 10/27![Alaska Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 10/29. 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.
Thu 1/75:25 am -
1 stop9h 30m
Sun 1/101:07 pm -
1 stop8h 23m
Deal found 10/29![Delta logo]()
$436
This Southwest deal was found by Cheapflights users on 10/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1910:30 am -
2 stops7h 50m
Tue 12/299:35 pm -
2 stops9h 20m
Deal found 10/29![Southwest logo]()
$474
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Wed 11/183:23 pm -
1 stop8h 28m
Sun 11/225:00 am -
2 stops9h 25m
Deal found 10/28![United Airlines logo]()
$509
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/248:22 am -
1 stop9h 41m
Tue 1/57:00 am -
1 stop10h 40m
Deal found 10/29![Alaska Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 10/28. 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.
Fri 1/16:05 am -
1 stop9h 16m
Thu 1/71:20 pm -
1 stop6h 49m
Deal found 10/28![Delta logo]()
$499
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/119:39 am -
2 stops13h 23m
Wed 1/207:00 am -
2 stops12h 52m
Deal found 10/28![Alaska Airlines logo]()
$509
This Delta deal was found by Cheapflights users on 10/25. 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.
Wed 4/215:50 pm -
1 stop7h 24m
Thu 4/2910:59 pm -
1 stop6h 55m
Deal found 10/25![Delta logo]()
$517
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1111:47 am -
2 stops14h 12m
Sun 12/136:00 am -
2 stops11h 17m
Deal found 10/28![Alaska Airlines logo]()
$515
This Delta deal was found by Cheapflights users on 10/25. 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.
Fri 4/2312:00 pm -
1 stop7h 12m
Thu 4/2910:59 pm -
1 stop6h 55m
Deal found 10/25![Delta logo]()
$517
This Delta deal was found by Cheapflights users on 10/25. 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.
Fri 4/235:50 pm -
1 stop7h 24m
Fri 4/3010:59 pm -
1 stop6h 55m
Deal found 10/25![Delta logo]()
$517
Last-minute flights from Cincinnati to OntarioDiscover last-minute flight deals from Cincinnati to Ontario. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Cincinnati to Ontario. Data last updated October 30, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 10/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/164:32 pm -
1 stop21h 03m
Thu 11/198:03 pm -
1 stop10h 17m
Deal found 10/25![Frontier logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/164:32 pm -
1 stop21h 03m
Wed 11/1811:52 am -
1 stop20h 23m
Deal found 10/25![Frontier logo]()
$262
This Mytrip deal was found by Cheapflights users on 10/26. 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.
Tue 11/1712:43 pm -
2 stops23h 57m
Thu 11/198:03 pm -
1 stop10h 17m
Deal found 10/26![Frontier logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:40 am -
1 stop14h 56m
Tue 12/12:00 pm -
2 stops26h 22m
Deal found 10/27![Multiple Airlines logo]()
$256
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:50 am -
2 stops24h 30m
Tue 12/12:00 pm -
2 stops26h 22m
Deal found 10/27![Frontier logo]()
$264
This Mytrip deal was found by Cheapflights users on 10/26. 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 11/267:00 am -
2 stops20h 14m
Wed 12/26:00 am -
1 stop8h 57m
Deal found 10/26![Frontier logo]()
$237
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/269:50 am -
2 stops17h 24m
Tue 12/811:30 am -
1 stop27h 29m
Deal found 10/29![Frontier logo]()
$265
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/269:50 am -
2 stops17h 24m
Thu 12/36:00 am -
2 stops23h 27m
Deal found 10/29![Frontier logo]()
$269
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 October 30, 2026.
Search for one-way flight options from Cincinnati to Ontario. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Booking.com deal was found by Cheapflights users on 10/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/127:02 pm -
1 stop6h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$84
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/14:44 pm -
2 stops19h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$100
This Mytrip deal was found by Cheapflights users on 10/26. 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.
Tue 12/89:13 am -
2 stops16h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$108
This Frontier deal was found by Cheapflights users on 10/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/97:02 pm -
1 stop6h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$109
This Super.com deal was found by Cheapflights users on 10/26. 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.
Wed 2/244:33 pm -
1 stop10h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$119
This Super.com deal was found by Cheapflights users on 10/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/164:33 pm -
1 stop10h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 10/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/117:02 pm -
1 stop8h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$135
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/269:50 am -
2 stops17h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$136
This Trip.com deal was found by Cheapflights users on 10/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:02 pm -
1 stop18h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$137
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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $178 (Cheapflightsfares) |
One-way from | $84 (Booking.com) |
Popular in | September |
Cheapest in | January |
Average price | $569 |
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 October 30, 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
Wed 12/2
7:35 pm-11:57 pm
1 stop7h 22m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$200
CincinnatiOntario
CVG Cincinnati Cinci./N. Kentucky - ONT Ontario
CVGONT
Cincinnati Cinci./N. Kentucky
Mon 11/16
4:32 pm-11:51 pm
1 stop10h 19m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$202
CincinnatiOntario
CVG Cincinnati Cinci./N. Kentucky - ONT Ontario
CVGONT
Cincinnati Cinci./N. Kentucky
Sun 12/13
6:00 am-11:07 am
1 stop8h 07m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$220
CincinnatiOntario
CVG Cincinnati Cinci./N. Kentucky - ONT Ontario
CVGONT
Cincinnati Cinci./N. Kentucky
Tue 11/17
7:00 am-12:29 pm
1 stop8h 29m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$255
CincinnatiOntario
CVG Cincinnati Cinci./N. Kentucky - ONT Ontario
CVGONT
Cincinnati Cinci./N. Kentucky
Tue 12/8
8:14 am-4:05 pm
1 stop10h 51m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$259
CincinnatiOntario
CVG Cincinnati Cinci./N. Kentucky - ONT Ontario
CVGONT
Cincinnati Cinci./N. Kentucky
Sun 3/28
7:00 am-11:27 am
1 stop7h 27m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$259
Quickest round-trip
CincinnatiOntario
CVG Cincinnati Cinci./N. Kentucky - ONT Ontario
CVGONT
Cincinnati Cinci./N. Kentucky
Sat 1/2
7:56 pm-11:59 pm
1 stop7h 03m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$259
CincinnatiOntario
CVG Cincinnati Cinci./N. Kentucky - ONT Ontario
CVGONT
Cincinnati Cinci./N. Kentucky
Tue 12/22
7:12 am-11:58 am
1 stop7h 46m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$260
CincinnatiOntario
CVG Cincinnati Cinci./N. Kentucky - ONT Ontario
CVGONT
Cincinnati Cinci./N. Kentucky
Fri 11/20
7:14 pm-11:59 pm
1 stop7h 45m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$279
CincinnatiOntario
CVG Cincinnati Cinci./N. Kentucky - ONT Ontario
CVGONT
Cincinnati Cinci./N. Kentucky
Tue 12/29
7:12 am-11:58 am
1 stop7h 46m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$290
Showing 1-10 of 22 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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 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 September is currently the most expensive (average of $778). 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 below average for this route at the moment.
Cincinnati to Ontario flights typically cost between $354 and $537 in December.The cheapest round-trip price found within the last 5 days was $178 on Frontier (Dec 5-Dec 11).
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 October 30, 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.
Overall
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Entertainment
7.8
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 October 30, 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 October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$208 | Average$328 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$277 | Average$476 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$318 | Average$496 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$373 | Average$411 | FlexibilityNo cancel fee | On-time69% |