$132+ Cheap flights from Ontario to Cincinnati (ONT - CVG)
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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CVG
Oct 17 — Oct 241
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
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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 September 17, 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 September 17, 2026.
This Expedia deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:25 am -
1 stop5h 56m
Mon 11/166:48 pm -
1 stop17h 52m
Deal found 9/16![Frontier logo]()
$261
This Frontier deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/223:38 pm -
1 stop11h 26m
Mon 10/264:32 pm -
1 stop10h 18m
Deal found 9/16![Frontier logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:33 pm -
1 stop23h 37m
Mon 10/269:29 pm -
1 stop22h 09m
Deal found 9/13![Frontier logo]()
$271
This Frontier deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/262:28 pm -
1 stop12h 36m
Fri 10/304:32 pm -
1 stop10h 19m
Deal found 9/16![Frontier logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:35 pm -
1 stop6h 29m
Tue 10/278:20 am -
1 stop11h 01m
Deal found 9/13![Frontier logo]()
$280
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:00 am -
1 stop19h 04m
Mon 10/264:32 pm -
1 stop21h 03m
Deal found 9/16![Frontier logo]()
$286
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:15 am -
1 stop6h 56m
Wed 10/711:09 am -
1 stop10h 07m
Deal found 9/15![Frontier logo]()
$290
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:25 am -
1 stop5h 57m
Sat 11/144:32 pm -
1 stop21h 03m
Deal found 9/16![Frontier logo]()
$302
This Gotogate deal was found by Cheapflights users on 9/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:35 pm -
1 stop6h 29m
Tue 10/208:20 am -
1 stop11h 10m
Deal found 9/14![Frontier logo]()
$308
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/141:29 pm -
1 stop6h 11m
Tue 11/177:00 am -
1 stop8h 29m
Deal found 9/15![United Airlines logo]()
$312
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 September 17, 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 September 17, 2026.
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:16 pm -
1 stop8h 59m
Mon 10/195:00 pm -
1 stop7h 54m
Deal found 9/15![Delta logo]()
$340
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:30 pm -
2 stops9h 25m
Mon 11/23:35 pm -
2 stops10h 20m
Deal found 9/16![Southwest logo]()
$440
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:00 am -
1 stop6h 25m
Sat 10/173:27 pm -
2 stops10h 24m
Deal found 9/16![United Airlines logo]()
$444
This Alaska Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:56 pm -
2 stops11h 28m
Mon 10/265:30 am -
2 stops15h 30m
Deal found 9/15![Alaska Airlines logo]()
$679
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:29 pm -
1 stop6h 11m
Fri 10/307:00 am -
1 stop8h 29m
Deal found 9/14![United Airlines logo]()
$457
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1211:15 pm -
1 stop6h 39m
Mon 10/195:00 pm -
1 stop7h 54m
Deal found 9/16![Delta logo]()
$466
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:32 pm -
1 stop6h 08m
Mon 11/24:53 pm -
1 stop7h 47m
Deal found 9/15![United Airlines logo]()
$463
This Delta deal was found by Cheapflights users on 9/13. 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.
Wed 11/116:00 am -
1 stop6h 22m
Tue 11/177:00 am -
1 stop7h 08m
Deal found 9/13![Delta logo]()
$497
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:00 am -
2 stops14h 11m
Mon 11/168:36 am -
1 stop9h 37m
Deal found 9/13![Alaska Airlines logo]()
$680
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:00 am -
2 stops12h 16m
Sun 10/118:00 am -
1 stop7h 46m
Deal found 9/16![United Airlines logo]()
$651
Last-minute flights from Ontario to CincinnatiDiscover last-minute flight deals from Ontario to Cincinnati. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Cincinnati. Data last updated September 17, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:15 am -
1 stop6h 56m
Wed 10/711:09 am -
1 stop10h 07m
Deal found 9/15![Frontier logo]()
$290
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/71:05 pm -
1 stop6h 05m
Tue 10/133:12 pm -
1 stop6h 32m
Deal found 9/16![American Airlines logo]()
$317
This Gotogate deal was found by Cheapflights users on 9/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:35 pm -
1 stop6h 29m
Tue 10/208:20 am -
1 stop11h 10m
Deal found 9/14![Frontier logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:35 pm -
1 stop6h 29m
Tue 10/271:10 pm -
2 stops30h 11m
Deal found 9/13![Frontier logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:33 pm -
1 stop23h 37m
Mon 10/269:29 pm -
1 stop22h 09m
Deal found 9/13![Frontier logo]()
$271
This Frontier deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/223:38 pm -
1 stop11h 26m
Mon 10/264:32 pm -
1 stop10h 18m
Deal found 9/16![Frontier logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:35 pm -
1 stop6h 29m
Tue 10/278:20 am -
1 stop11h 01m
Deal found 9/13![Frontier logo]()
$280
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:00 am -
1 stop19h 04m
Mon 10/264:32 pm -
1 stop21h 03m
Deal found 9/16![Frontier logo]()
$286
This Frontier deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/262:28 pm -
1 stop12h 36m
Fri 10/304:32 pm -
1 stop10h 19m
Deal found 9/16![Frontier logo]()
$276
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 September 17, 2026.
Search for one-way flight options from Ontario to Cincinnati. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Frontier deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/79:16 am -
1 stop6h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$132
This Frontier deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:20 am -
1 stop10h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$135
This Expedia deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:35 pm -
1 stop18h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:25 pm -
2 stops11h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$141
This Trip.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:00 am -
1 stop8h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$148
This Booking.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1311:52 am -
1 stop24h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$150
This Booking.com deal was found by Cheapflights users on 9/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:35 pm -
1 stop6h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$155
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1310:10 pm -
1 stop7h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![American Airlines logo]()
$159
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:30 am -
2 stops11h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![American Airlines logo]()
$164
This Trip.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:03 pm -
1 stop10h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$171
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:15 am -
1 stop6h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$175
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 September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $261 (Expedia) |
One-way from | $132 (Frontier) |
Popular in | July |
Cheapest in | October |
Average price | $391 |
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 7,457,451 searches. Data last updated September 17, 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
Sat 11/14
12:18 pm-12:37 am
1 stop9h 19m
Cincinnati Cinci./N. Kentucky
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$159
Quickest round-trip
OntarioCincinnati
ONT Ontario - CVG Cincinnati Cinci./N. Kentucky
ONTCVG
Ontario
Sun 10/25
8:35 pm-6:04 am
1 stop6h 29m
Cincinnati Cinci./N. Kentucky
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$205
OntarioCincinnati
ONT Ontario - CVG Cincinnati Cinci./N. Kentucky
ONTCVG
Ontario
Fri 9/25
8:24 pm-6:47 am
1 stop7h 23m
Cincinnati Cinci./N. Kentucky
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$214
OntarioCincinnati
ONT Ontario - CVG Cincinnati Cinci./N. Kentucky
ONTCVG
Ontario
Mon 9/21
8:24 pm-6:47 am
1 stop7h 23m
Cincinnati Cinci./N. Kentucky
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$220
OntarioCincinnati
ONT Ontario - CVG Cincinnati Cinci./N. Kentucky
ONTCVG
Ontario
Sat 10/10
8:03 am-11:27 pm
2 stops12h 24m
Cincinnati Cinci./N. Kentucky
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$237
OntarioCincinnati
ONT Ontario - CVG Cincinnati Cinci./N. Kentucky
ONTCVG
Ontario
Sun 10/18
11:15 pm-8:54 am
1 stop6h 39m
Cincinnati Cinci./N. Kentucky
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$266
OntarioCincinnati
ONT Ontario - CVG Cincinnati Cinci./N. Kentucky
ONTCVG
Ontario
Sun 10/11
8:03 pm-8:34 pm
1 stop21h 31m
Cincinnati Cinci./N. Kentucky
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$313
OntarioCincinnati
ONT Ontario - CVG Cincinnati Cinci./N. Kentucky
ONTCVG
Ontario
Tue 10/13
12:16 pm-12:15 am
1 stop8h 59m
Cincinnati Cinci./N. Kentucky
Mon 10/19
5:00 pm-9:54 pm
1 stop7h 54m
$340
OntarioCincinnati
ONT Ontario - CVG Cincinnati Cinci./N. Kentucky
ONTCVG
Ontario
Sat 10/3
8:03 am-11:27 pm
2 stops12h 24m
Cincinnati Cinci./N. Kentucky
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$350
OntarioCincinnati
ONT Ontario - CVG Cincinnati Cinci./N. Kentucky
ONTCVG
Ontario
Fri 10/2
9:25 am-11:27 pm
2 stops11h 02m
Cincinnati Cinci./N. Kentucky
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$374
Showing 1-10 of 19 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 September.
| 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
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 $354). 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 $338 and $434 in November.The cheapest round-trip price found within the last 5 days was $261 on Frontier (Nov 14-Nov 16).
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 September 17, 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.
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
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
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Alternative routes for Ontario to Cincinnati
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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 September 17, 2026.
Complete your trip
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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Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
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Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$278 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$299 | Average$431 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$304 | Average$456 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$312 | Average$469 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$335 | Average$486 | FlexibilityNo cancel fee | On-timeN/A |