$94+ 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CVG
Mar 5 — Mar 121
1 adult, Economy
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Find cheap flights from Ontario to Cincinnati 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 Ontario to Cincinnati
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Cheapest flights from Ontario to CincinnatiExplore 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 February 3, 2026.
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 February 3, 2026.
This Expedia deal was found by Cheapflights users on 2/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/267:22 pm
ONT
- CVG
1 stop26h 00m
Frontier
Mon 3/27:00 am
CVG
- ONT
1 stop19h 59m
Frontier
Deal found 2/2![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Thu 2/267:22 pm
ONT
- CVG
1 stop26h 00m
Frontier
Fri 3/611:58 am
CVG
- ONT
1 stop15h 01m
Frontier
Deal found 2/3![Frontier logo]()
$195
This CheapOair deal was found by Cheapflights users on 2/2. 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 2/257:17 pm
ONT
- CVG
1 stop25h 42m
Frontier
Sun 3/17:00 am
CVG
- ONT
1 stop19h 59m
Frontier
Deal found 2/2![Frontier logo]()
$215
This Super.com deal was found by Cheapflights users on 2/1. 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 2/262:06 pm
ONT
- CVG
1 stop7h 53m
Frontier
Fri 2/277:00 am
CVG
- ONT
1 stop19h 59m
Frontier
Deal found 2/1![Frontier logo]()
$226
This Booking.com deal was found by Cheapflights users on 2/2. 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.
Thu 4/26:20 am
ONT
- CVG
1 stop25h 21m
Frontier
Tue 4/77:20 am
CVG
- ONT
1 stop19h 36m
Frontier
Deal found 2/2![Frontier logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Wed 4/152:44 pm
ONT
- CVG
2 stops22h 15m
Frontier
Sun 4/198:48 pm
CVG
- ONT
1 stop14h 16m
Frontier
Deal found 2/2![Frontier logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Wed 4/292:44 pm
ONT
- CVG
2 stops22h 15m
Frontier
Mon 5/48:48 pm
CVG
- ONT
1 stop24h 46m
Frontier
Deal found 2/2![Frontier logo]()
$230
This CheapOair deal was found by Cheapflights users on 1/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:59 pm
ONT
- CVG
1 stop6h 16m
Frontier
Sun 4/268:48 pm
CVG
- ONT
1 stop26h 16m
Frontier
Deal found 1/31![Frontier logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Wed 4/157:29 pm
ONT
- CVG
2 stops17h 30m
Frontier
Mon 4/208:48 pm
CVG
- ONT
1 stop19h 52m
Frontier
Deal found 2/2![Frontier logo]()
$237
Best flights from Ontario to CincinnatiDiscover carefully curated flight deals from Ontario to Cincinnati that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
Discover carefully curated flight deals from Ontario to Cincinnati that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
This Frontier deal was found by Cheapflights users on 2/3. 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 4/238:59 pm
ONT
- CVG
1 stop6h 16m
Frontier
Mon 4/271:05 pm
CVG
- ONT
1 stop13h 19m
Frontier
Deal found 2/3![Frontier logo]()
$190
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/46:37 pm
ONT
- CVG
2 stops12h 11m
United Airlines
Wed 3/117:03 am
CVG
- ONT
2 stops8h 45m
United Airlines
Deal found 2/2![United Airlines logo]()
$267
This American Airlines deal was found by Cheapflights users on 2/2. 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 2/2711:58 pm
ONT
- CVG
1 stop8h 30m
American Airlines
Wed 3/46:01 am
CVG
- ONT
1 stop7h 05m
American Airlines
Deal found 2/2![American Airlines logo]()
$300
This Delta deal was found by Cheapflights users on 2/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:00 am
ONT
- CVG
1 stop6h 11m
Delta
Sat 2/284:55 pm
CVG
- ONT
1 stop7h 10m
Delta
Deal found 2/1![Delta logo]()
$310
This Expedia deal was found by Cheapflights users on 2/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/262:06 pm
ONT
- CVG
1 stop7h 53m
Multiple Airlines
Mon 3/212:03 pm
CVG
- ONT
2 stops14h 49m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$311
This CheapOair deal was found by Cheapflights users on 2/1. 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.
Fri 3/67:00 am
ONT
- CVG
2 stops33h 34m
Alaska Airlines
Wed 3/118:09 am
CVG
- ONT
1 stop9h 59m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Wed 4/152:44 pm
ONT
- CVG
2 stops22h 15m
Frontier
Sun 4/198:48 pm
CVG
- ONT
1 stop14h 16m
Frontier
Deal found 2/2![Frontier logo]()
$228
This Delta deal was found by Cheapflights users on 2/2. 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 4/1510:15 pm
ONT
- CVG
1 stop7h 40m
Delta
Mon 4/207:59 pm
CVG
- ONT
1 stop6h 45m
Delta
Deal found 2/2![Delta logo]()
$310
This CheapOair deal was found by Cheapflights users on 2/2. 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 4/3012:59 am
ONT
- CVG
1 stop14h 49m
Frontier
Mon 5/48:48 pm
CVG
- ONT
1 stop24h 46m
Frontier
Deal found 2/2![Frontier logo]()
$291
This United Airlines deal was found by Cheapflights users on 2/3. 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 2/265:00 am
ONT
- CVG
1 stop6h 15m
United Airlines
Mon 3/23:18 pm
CVG
- ONT
1 stop8h 32m
United Airlines
Deal found 2/3![United Airlines logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/309:49 pm
ONT
- CVG
2 stops13h 35m
Frontier
Thu 4/211:58 am
CVG
- ONT
1 stop9h 47m
Frontier
Deal found 2/2![Frontier logo]()
$335
This Gotogate deal was found by Cheapflights users on 2/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/77:35 pm
ONT
- CVG
1 stop25h 22m
Frontier
Mon 2/92:11 pm
CVG
- ONT
1 stop7h 59m
Frontier
Deal found 2/3![Frontier logo]()
$338
Last-minute flights from Ontario to CincinnatiDiscover last-minute flight deals from Ontario to Cincinnati. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Cincinnati. Data last updated February 3, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 2/2. 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 2/208:07 am
ONT
- CVG
1 stop13h 21m
Frontier
Mon 2/237:00 am
CVG
- ONT
1 stop19h 59m
Frontier
Deal found 2/2![Frontier logo]()
$246
This CheapOair deal was found by Cheapflights users on 2/2. 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 2/257:17 pm
ONT
- CVG
1 stop25h 42m
Frontier
Sun 3/17:00 am
CVG
- ONT
1 stop19h 59m
Frontier
Deal found 2/2![Frontier logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Wed 2/253:22 pm
ONT
- CVG
1 stop29h 37m
Frontier
Wed 3/48:15 am
CVG
- ONT
2 stops28h 19m
Frontier
Deal found 2/3![Frontier logo]()
$218
This United Airlines deal was found by Cheapflights users on 2/3. 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 2/255:00 am
ONT
- CVG
1 stop6h 15m
United Airlines
Wed 3/44:50 pm
CVG
- ONT
1 stop8h 09m
United Airlines
Deal found 2/3![United Airlines logo]()
$237
This Expedia deal was found by Cheapflights users on 2/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/267:22 pm
ONT
- CVG
1 stop26h 00m
Frontier
Mon 3/27:00 am
CVG
- ONT
1 stop19h 59m
Frontier
Deal found 2/2![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Thu 2/267:22 pm
ONT
- CVG
1 stop26h 00m
Frontier
Fri 3/611:58 am
CVG
- ONT
1 stop15h 01m
Frontier
Deal found 2/3![Frontier logo]()
$195
This Super.com deal was found by Cheapflights users on 2/1. 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 2/262:06 pm
ONT
- CVG
1 stop7h 53m
Frontier
Fri 2/277:00 am
CVG
- ONT
1 stop19h 59m
Frontier
Deal found 2/1![Frontier logo]()
$226
This CheapOair deal was found by Cheapflights users on 2/3. 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 3/192:06 pm
ONT
- CVG
1 stop12h 55m
Frontier
Tue 3/247:20 am
CVG
- ONT
1 stop19h 39m
Frontier
Deal found 2/3![Frontier logo]()
$225
One-way flights from Ontario to CincinnatiSearch for one-way flight options from Ontario to Cincinnati. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
Search for one-way flight options from Ontario to Cincinnati. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This Super.com deal was found by Cheapflights users on 2/2. 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 2/192:06 pm
ONT
- CVG
1 stop7h 53m
Frontier
Deal found 2/2![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Sun 3/86:15 am
ONT
- CVG
1 stop25h 33m
Frontier
Deal found 2/3![Frontier logo]()
$97
This Super.com deal was found by Cheapflights users on 2/2. 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 2/187:17 pm
ONT
- CVG
1 stop25h 42m
Frontier
Deal found 2/2![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Sun 3/156:15 am
ONT
- CVG
1 stop25h 33m
Frontier
Deal found 2/3![Frontier logo]()
$103
This Frontier deal was found by Cheapflights users on 2/1. 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.
Mon 3/233:30 pm
ONT
- CVG
1 stop11h 12m
Frontier
Deal found 2/1![Frontier logo]()
$125
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1110:56 am
ONT
- CVG
1 stop8h 45m
American Airlines
Deal found 2/1![American Airlines logo]()
$129
This Expedia deal was found by Cheapflights users on 2/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/222:06 pm
ONT
- CVG
1 stop7h 53m
Frontier
Deal found 2/1![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 3/306:15 am
ONT
- CVG
1 stop29h 09m
Frontier
Deal found 2/1![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 4/76:20 am
ONT
- CVG
1 stop29h 02m
Frontier
Deal found 2/2![Frontier logo]()
$137
Find 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 February 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $168 (Expedia) |
One-way from | $94 (Super.com) |
Popular in | February |
Cheapest in | September |
Average price | $512 |
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 February 3, 2026.
Use the filters below to find and compare flights from Ontario to Cincinnati that are best for you.
Fly from
Ontario
Fly to
Cincinnati
Route
Depart
Return
Price
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Thu 4/23
8:59 pm-6:15 am
1 stop6h 16m
Cincinnati Cinci./N. Kentucky
Mon 4/27
1:05 pm-11:24 pm
1 stop13h 19m
$190
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Wed 4/15
2:44 pm-3:59 pm
2 stops22h 15m
Cincinnati Cinci./N. Kentucky
Sun 4/19
8:48 pm-8:04 am
1 stop14h 16m
$228
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Wed 3/4
6:37 pm-9:48 am
2 stops12h 11m
Cincinnati Cinci./N. Kentucky
Wed 3/11
7:03 am-12:48 pm
2 stops8h 45m
$267
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Thu 4/30
12:59 am-6:48 pm
1 stop14h 49m
Cincinnati Cinci./N. Kentucky
Mon 5/4
8:48 pm-6:34 pm
1 stop24h 46m
$291
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Fri 2/27
11:58 pm-11:28 am
1 stop8h 30m
Cincinnati Cinci./N. Kentucky
Wed 3/4
6:01 am-10:06 am
1 stop7h 05m
$300
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Thu 2/26
6:00 am-3:11 pm
1 stop6h 11m
Cincinnati Cinci./N. Kentucky
Sat 2/28
4:55 pm-9:05 pm
1 stop7h 10m
$310
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Wed 4/15
10:15 pm-8:55 am
1 stop7h 40m
Cincinnati Cinci./N. Kentucky
Mon 4/20
7:59 pm-11:44 pm
1 stop6h 45m
$310
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Thu 2/26
2:06 pm-12:59 am
1 stop7h 53m
Cincinnati Cinci./N. Kentucky
Mon 3/2
12:03 pm-11:52 pm
2 stops14h 49m
$311
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Fri 3/6
7:00 am-7:34 pm
2 stops33h 34m
Cincinnati Cinci./N. Kentucky
Wed 3/11
8:09 am-3:08 pm
1 stop9h 59m
$335
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Mon 3/30
9:49 pm-2:24 pm
2 stops13h 35m
Cincinnati Cinci./N. Kentucky
Thu 4/2
11:58 am-6:45 pm
1 stop9h 47m
$335
Showing 1-10 of 21 results
Compare providers for flights from Ontario to Cincinnati
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Cincinnati in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | 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 Ontario-Cincinnati flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Cincinnati flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Cincinnati flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Cincinnati flights, Cheapflights users trust 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 Ontario-Cincinnati flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to Cincinnati
Have a flexible travel schedule? Discover the best time to fly to Cincinnati from Ontario with our price prediction graph.
ONT-CVG
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
Prices
More
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 January 30, 2026.
To ensure you get the cheapest price possible for a flight from Ontario to Cincinnati, you should look to book at least 24 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, June is the cheapest month in which you can book a flight from Ontario to Cincinnati (average of $71). Flying from Ontario to Cincinnati in November is currently the most expensive (average of $185). 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’s the top layover airport for flights from Ontario to Cincinnati?
Share of 1-stop round-trip flights from Ontario to Cincinnati 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 Ontario to Cincinnati on Cheapflights.
What’s the cheapest layover airport for flights from Ontario to Cincinnati?
Average round-trip fare for 1-stop flights from Ontario to Cincinnati, 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 $243.
What’s the fastest layover option from Ontario to Cincinnati?
Shortest average travel time for 1-stop one-way flights from Ontario to Cincinnati, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 6h 40m.
Which airport typically offers the quickest layover for flights from Ontario to Cincinnati?
Average layover duration for 1-stop one-way flights from Ontario to Cincinnati, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 22m.
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 February 3, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Ontario to Cincinnati to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
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.
Traveling to a place near Cincinnati?
Book flights to Cincinnati if you plan to visit one of these locationsNewport
Florence
Sharonville
Mason
West Chester
Covington
Fairfield
Blue Ash
Williamstown
Hebron
Sparta
Middletown
Edgewood
Oxford
Dry Ridge
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Ontario and Cincinnati flights
Browse other Ontario and Cincinnati flight options. Last updated on February 3, 2026.
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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 February 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$135 | Average$260 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$304 | Average$502 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$304 | Average$426 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$312 | Average$451 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$316 | Average$425 | FlexibilityNo cancel fee | On-time71% |