$89+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CVG
Sep 13 — Sep 201
Round-trip
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
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.Cheap flight deals from Ontario to Cincinnati
Cheapest
Best
Last-minute
One-way
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 August 14, 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 August 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:45 am -
1 stop25h 26m
Tue 9/295:16 pm -
1 stop20h 14m
Deal found 8/14![Frontier logo]()
$200
This Frontier deal was found by Cheapflights users on 8/11. 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 10/18:24 pm -
1 stop7h 23m
Wed 10/711:09 am -
1 stop10h 07m
Deal found 8/11![Frontier logo]()
$218
This Frontier deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:15 am -
1 stop6h 56m
Tue 9/228:45 am -
1 stop11h 14m
Deal found 8/13![Frontier logo]()
$219
This Frontier deal was found by Cheapflights users on 8/12. 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 9/107:46 pm -
1 stop11h 02m
Sat 9/1211:09 am -
1 stop8h 37m
Deal found 8/12![Frontier logo]()
$220
This CheapOair deal was found by Cheapflights users on 8/12. 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 10/148:07 am -
1 stop12h 52m
Mon 10/199:26 pm -
1 stop21h 44m
Deal found 8/12![Frontier logo]()
$228
This Frontier deal was found by Cheapflights users on 8/11. 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 9/96:15 am -
1 stop6h 56m
Mon 9/145:16 pm -
1 stop9h 31m
Deal found 8/11![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/32:35 pm -
1 stop26h 54m
Wed 11/182:19 pm -
2 stops27h 13m
Deal found 8/14![Frontier logo]()
$233
This Expedia deal was found by Cheapflights users on 8/12. 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.
Tue 9/13:40 pm -
1 stop25h 35m
Sat 9/58:30 pm -
1 stop6h 20m
Deal found 8/12![Frontier logo]()
$235
This Frontier deal was found by Cheapflights users on 8/14. 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.
Thu 9/108:24 pm -
1 stop7h 23m
Mon 9/1411:09 am -
1 stop11h 17m
Deal found 8/14![Frontier logo]()
$238
This Frontier deal was found by Cheapflights users on 8/11. 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 9/117:46 pm -
1 stop11h 02m
Mon 9/1411:09 am -
1 stop11h 17m
Deal found 8/11![Frontier logo]()
$243
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 August 14, 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 August 14, 2026.
This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/111:25 pm -
1 stop6h 42m
Tue 11/177:00 am -
1 stop7h 10m
Deal found 8/14![Delta logo]()
$357
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:30 pm -
2 stops9h 25m
Sun 10/256:50 am -
2 stops9h 20m
Deal found 8/11![Southwest logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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.
Wed 10/146:02 am -
2 stops14h 14m
Mon 10/193:12 pm -
2 stops22h 05m
Deal found 8/12![Alaska Airlines logo]()
$513
This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:22 pm -
1 stop9h 03m
Wed 11/187:00 am -
1 stop7h 10m
Deal found 8/14![Delta logo]()
$357
This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:10 pm -
1 stop6h 44m
Sat 11/147:00 am -
1 stop7h 10m
Deal found 8/14![Delta logo]()
$357
This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:00 am -
1 stop6h 17m
Fri 11/135:00 pm -
1 stop7h 59m
Deal found 8/14![Delta logo]()
$374
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:10 am -
2 stops9h 20m
Fri 9/115:25 pm -
2 stops7h 40m
Deal found 8/12![Southwest logo]()
$454
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:00 am -
1 stop6h 04m
Tue 9/293:00 pm -
1 stop8h 24m
Deal found 8/13![Delta logo]()
$391
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/211:25 pm -
1 stop6h 42m
Wed 12/27:35 pm -
1 stop7h 23m
Deal found 8/13![Delta logo]()
$407
This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:00 am -
1 stop6h 17m
Sun 11/157:35 pm -
1 stop7h 23m
Deal found 8/14![Delta logo]()
$427
This Delta deal was found by Cheapflights users on 8/10. 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 10/1511:15 pm -
1 stop6h 39m
Sun 10/186:00 am -
1 stop8h 06m
Deal found 8/10![Delta logo]()
$497
This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:00 am -
1 stop6h 17m
Sun 11/157:35 pm -
1 stop7h 23m
Deal found 8/14![Delta logo]()
$533
Last-minute flights from Ontario to CincinnatiDiscover last-minute flight deals from Ontario to Cincinnati. Data last updated August 14, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Cincinnati. Data last updated August 14, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 8/12. 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.
Tue 9/13:40 pm -
1 stop25h 35m
Sat 9/58:30 pm -
1 stop6h 20m
Deal found 8/12![Frontier logo]()
$235
This Frontier deal was found by Cheapflights users on 8/11. 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 9/96:15 am -
1 stop6h 56m
Sat 9/125:16 pm -
1 stop9h 31m
Deal found 8/11![Frontier logo]()
$230
This Frontier deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:15 am -
1 stop6h 56m
Fri 9/185:16 pm -
1 stop9h 31m
Deal found 8/13![Frontier logo]()
$244
This Frontier deal was found by Cheapflights users on 8/11. 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 9/108:24 pm -
1 stop7h 23m
Wed 9/165:16 pm -
1 stop9h 31m
Deal found 8/11![Frontier logo]()
$218
This Frontier deal was found by Cheapflights users on 8/12. 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 9/107:46 pm -
1 stop11h 02m
Sat 9/1211:09 am -
1 stop8h 37m
Deal found 8/12![Frontier logo]()
$220
This Frontier deal was found by Cheapflights users on 8/14. 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.
Thu 9/108:24 pm -
1 stop7h 23m
Mon 9/1411:09 am -
1 stop11h 17m
Deal found 8/14![Frontier logo]()
$238
This Frontier deal was found by Cheapflights users on 8/11. 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 9/117:46 pm -
1 stop11h 02m
Tue 9/155:16 pm -
1 stop9h 31m
Deal found 8/11![Frontier logo]()
$243
This Frontier deal was found by Cheapflights users on 8/14. 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.
Fri 9/118:24 pm -
1 stop7h 23m
Mon 9/1411:09 am -
1 stop11h 17m
Deal found 8/14![Frontier logo]()
$245
This Frontier deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:15 am -
1 stop6h 56m
Wed 9/165:16 pm -
1 stop9h 31m
Deal found 8/13![Frontier logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:45 am -
1 stop25h 26m
Tue 9/295:16 pm -
1 stop20h 14m
Deal found 8/14![Frontier logo]()
$200
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 August 14, 2026.
Search for one-way flight options from Ontario to Cincinnati. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1511:45 am -
2 stops44h 53m
Deal found 8/14![Frontier logo]()
$89
This Super.com deal was found by Cheapflights users on 8/11. 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 10/66:15 am -
1 stop6h 56m
Deal found 8/11![Frontier logo]()
$108
This Frontier deal was found by Cheapflights users on 8/12. 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 10/1911:16 am -
1 stop6h 05m
Deal found 8/12![Frontier logo]()
$109
This Super.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:46 pm -
1 stop11h 02m
Deal found 8/13![Frontier logo]()
$113
This Super.com deal was found by Cheapflights users on 8/12. 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 9/27:56 pm -
1 stop20h 39m
Deal found 8/12![Frontier logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:15 am -
1 stop6h 56m
Deal found 8/14![Frontier logo]()
$118
This Super.com deal was found by Cheapflights users on 8/11. 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 9/311:15 am -
1 stop6h 10m
Deal found 8/11![Frontier logo]()
$119
This Super.com deal was found by Cheapflights users on 8/11. 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 9/16:00 am -
1 stop10h 35m
Deal found 8/11![Frontier logo]()
$125
This Booking.com deal was found by Cheapflights users on 8/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:24 pm -
1 stop7h 23m
Deal found 8/14![Frontier logo]()
$126
This Super.com deal was found by Cheapflights users on 8/12. 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 8/313:40 pm -
1 stop25h 35m
Deal found 8/12![Frontier logo]()
$129
This Super.com deal was found by Cheapflights users on 8/12. 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.
Fri 9/188:24 pm -
1 stop7h 23m
Deal found 8/12![Frontier logo]()
$132
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 August 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $200 (Kiwi.com) |
One-way from | $108 (Super.com) |
Popular in | July |
Cheapest in | October |
Average price | $412 |
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 August 14, 2026.
Use the filters below to find and compare flights from Ontario to Cincinnati that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioCincinnati
ONT Ontario - CVG Cincinnati Cinci./N. Kentucky
ONTCVG
Ontario
Wed 11/11
1:25 pm-11:07 pm
1 stop6h 42m
Cincinnati Cinci./N. Kentucky
Tue 11/17
7:00 am-11:10 am
1 stop7h 10m
$357
OntarioCincinnati
ONT Ontario - CVG Cincinnati Cinci./N. Kentucky
ONTCVG
Ontario
Sat 11/14
12:22 pm-12:25 am
1 stop9h 03m
Cincinnati Cinci./N. Kentucky
Wed 11/18
7:00 am-11:10 am
1 stop7h 10m
$357
OntarioCincinnati
ONT Ontario - CVG Cincinnati Cinci./N. Kentucky
ONTCVG
Ontario
Thu 11/12
11:10 pm-8:54 am
1 stop6h 44m
Cincinnati Cinci./N. Kentucky
Sat 11/14
7:00 am-11:10 am
1 stop7h 10m
$357
OntarioCincinnati
ONT Ontario - CVG Cincinnati Cinci./N. Kentucky
ONTCVG
Ontario
Wed 11/11
6:00 am-3:17 pm
1 stop6h 17m
Cincinnati Cinci./N. Kentucky
Fri 11/13
5:00 pm-9:59 pm
1 stop7h 59m
$374
OntarioCincinnati
ONT Ontario - CVG Cincinnati Cinci./N. Kentucky
ONTCVG
Ontario
Sat 9/26
6:00 am-3:04 pm
1 stop6h 04m
Cincinnati Cinci./N. Kentucky
Tue 9/29
3:00 pm-8:24 pm
1 stop8h 24m
$391
OntarioCincinnati
ONT Ontario - CVG Cincinnati Cinci./N. Kentucky
ONTCVG
Ontario
Sat 11/21
1:25 pm-11:07 pm
1 stop6h 42m
Cincinnati Cinci./N. Kentucky
Wed 12/2
7:35 pm-11:58 pm
1 stop7h 23m
$407
OntarioCincinnati
ONT Ontario - CVG Cincinnati Cinci./N. Kentucky
ONTCVG
Ontario
Thu 10/22
9:30 pm-9:55 am
2 stops9h 25m
Cincinnati Cinci./N. Kentucky
Sun 10/25
6:50 am-1:10 pm
2 stops9h 20m
$427
Quickest round-trip
OntarioCincinnati
ONT Ontario - CVG Cincinnati Cinci./N. Kentucky
ONTCVG
Ontario
Tue 11/10
6:00 am-3:17 pm
1 stop6h 17m
Cincinnati Cinci./N. Kentucky
Sun 11/15
7:35 pm-11:58 pm
1 stop7h 23m
$427
OntarioCincinnati
ONT Ontario - CVG Cincinnati Cinci./N. Kentucky
ONTCVG
Ontario
Thu 9/3
8:10 am-8:30 pm
2 stops9h 20m
Cincinnati Cinci./N. Kentucky
Fri 9/11
5:25 pm-10:05 pm
2 stops7h 40m
$454
OntarioCincinnati
ONT Ontario - CVG Cincinnati Cinci./N. Kentucky
ONTCVG
Ontario
Thu 10/15
11:15 pm-8:54 am
1 stop6h 39m
Cincinnati Cinci./N. Kentucky
Sun 10/18
6:00 am-11:06 am
1 stop8h 06m
$497
Showing 1-10 of 23 resultsSorted by cheapest first
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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
How far ahead should I book a flight from Ontario to Cincinnati?
To ensure you get the cheapest price possible for a flight from Ontario to Cincinnati, you should look to book at least 60 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, October is the cheapest month in which you can book a flight from Ontario to Cincinnati (average of $345). Flying from Ontario to Cincinnati in July is currently the most expensive (average of $523). 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 Ontario to Cincinnati?
Airfare is below average for this route at the moment.
Ontario to Cincinnati flights typically cost between $335 and $442 in September.The cheapest round-trip price found within the last 5 days was $200 on Frontier (Sep 14-Sep 29).
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 August 14, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited 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
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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 locationsFlorence
Blue Ash
Mason
Sharonville
West Chester
Williamstown
Hebron
Newport
Covington
Edgewood
Sparta
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Other flights to Cincinnati
Explore flights to Cincinnati departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 14, 2026.
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Complete your trip to Cincinnati by adding a car rental and/or hotel reservation to your travel itinerary.
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Ontario and Cincinnati flights
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Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on August 14, 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 August 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$150 | Average$270 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$299 | Average$419 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$303 | Average$486 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$304 | Average$456 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$312 | Average$469 | FlexibilityNo cancel fee | On-time63% |