$121+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CVG
Jul 18 — Jul 251
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 June 18, 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 June 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:49 am
ONT
- CVG
1 stop22h 42m
Multiple Airlines
Mon 7/279:30 pm
CVG
- ONT
1 stop13h 33m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$245
This Gotogate deal was found by Cheapflights users on 6/18. 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.
Thu 8/66:00 am
ONT
- CVG
1 stop10h 29m
Frontier
Wed 8/128:34 pm
CVG
- ONT
1 stop16h 30m
Frontier
Deal found 6/18![Frontier logo]()
$261
This Expedia deal was found by Cheapflights users on 6/17. 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 8/68:17 am
ONT
- CVG
1 stop7h 05m
Frontier
Mon 8/109:30 pm
CVG
- ONT
1 stop20h 44m
Frontier
Deal found 6/17![Frontier logo]()
$264
This CheapOair deal was found by Cheapflights users on 6/16. 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.
Tue 8/183:34 pm
ONT
- CVG
1 stop25h 01m
Frontier
Mon 8/248:40 pm
CVG
- ONT
1 stop21h 29m
Frontier
Deal found 6/16![Frontier logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 7/226:00 am
ONT
- CVG
1 stop27h 31m
Multiple Airlines
Tue 7/288:36 pm
CVG
- ONT
1 stop16h 28m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$272
This Frontier deal was found by Cheapflights users on 6/16. 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.
Wed 9/308:07 am
ONT
- CVG
1 stop12h 52m
Frontier
Sat 10/106:05 am
CVG
- ONT
1 stop7h 38m
Frontier
Deal found 6/16![Frontier logo]()
$277
This Expedia deal was found by Cheapflights users on 6/16. 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.
Wed 7/221:38 pm
ONT
- CVG
1 stop27h 47m
Frontier
Tue 7/288:36 pm
CVG
- ONT
1 stop16h 28m
Frontier
Deal found 6/16![Frontier logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:49 am
ONT
- CVG
2 stops21h 24m
Frontier
Mon 7/279:30 pm
CVG
- ONT
1 stop13h 33m
Frontier
Deal found 6/16![Frontier logo]()
$289
This Frontier deal was found by Cheapflights users on 6/15. 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.
Wed 8/56:00 am
ONT
- CVG
1 stop10h 29m
Frontier
Tue 8/118:34 pm
CVG
- ONT
1 stop6h 16m
Frontier
Deal found 6/15![Frontier logo]()
$290
This Booking.com deal was found by Cheapflights users on 6/14. 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.
Wed 8/125:08 pm
ONT
- CVG
1 stop24h 17m
Frontier
Wed 8/198:40 pm
CVG
- ONT
1 stop21h 29m
Frontier
Deal found 6/14![Frontier logo]()
$292
This Expedia deal was found by Cheapflights users on 6/16. 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.
Wed 7/153:40 pm
ONT
- CVG
1 stop25h 45m
Frontier
Mon 7/209:30 pm
CVG
- ONT
1 stop13h 33m
Frontier
Deal found 6/16![Frontier logo]()
$293
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 June 18, 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 June 18, 2026.
This Booking.com deal was found by Cheapflights users on 6/17. 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 7/233:40 pm
ONT
- CVG
1 stop25h 45m
Frontier
Mon 7/279:30 pm
CVG
- ONT
1 stop13h 33m
Frontier
Deal found 6/17![Frontier logo]()
$331
This Delta deal was found by Cheapflights users on 6/16. 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.
Sat 10/36:00 am
ONT
- CVG
1 stop6h 04m
Delta
Wed 10/77:55 pm
CVG
- ONT
1 stop6h 53m
Delta
Deal found 6/16![Delta logo]()
$390
This Southwest deal was found by Cheapflights users on 6/16. 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 8/65:15 am
ONT
- CVG
2 stops8h 30m
Southwest
Thu 8/277:05 am
CVG
- ONT
2 stops9h 20m
Southwest
Deal found 6/16![Southwest logo]()
$441
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Tue 7/286:10 am
ONT
- CVG
1 stop7h 39m
United Airlines
Wed 7/296:12 pm
CVG
- ONT
1 stop7h 39m
United Airlines
Deal found 6/15![United Airlines logo]()
$477
This Delta deal was found by Cheapflights users on 6/16. 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.
Wed 9/3011:59 am
ONT
- CVG
1 stop8h 56m
Delta
Sun 10/116:40 am
CVG
- ONT
1 stop8h 50m
Delta
Deal found 6/16![Delta logo]()
$432
This Southwest deal was found by Cheapflights users on 6/17. 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 10/158:35 am
ONT
- CVG
1 stop6h 55m
Southwest
Fri 10/167:05 am
CVG
- ONT
2 stops9h 55m
Southwest
Deal found 6/17![Southwest logo]()
$450
This United Airlines deal was found by Cheapflights users on 6/16. 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 8/181:18 pm
ONT
- CVG
1 stop6h 12m
United Airlines
Wed 8/195:25 am
CVG
- ONT
2 stops10h 25m
United Airlines
Deal found 6/16![United Airlines logo]()
$482
This Delta deal was found by Cheapflights users on 6/14. 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 7/289:40 am
ONT
- CVG
1 stop6h 21m
Delta
Thu 7/307:59 pm
CVG
- ONT
1 stop6h 49m
Delta
Deal found 6/14![Delta logo]()
$463
This Delta deal was found by Cheapflights users on 6/15. 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.
Thu 7/1610:00 pm
ONT
- CVG
1 stop7h 56m
Delta
Thu 7/237:59 pm
CVG
- ONT
1 stop6h 49m
Delta
Deal found 6/15![Delta logo]()
$487
Last-minute flights from Ontario to CincinnatiDiscover last-minute flight deals from Ontario to Cincinnati. Data last updated June 18, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Cincinnati. Data last updated June 18, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 6/16. 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.
Wed 7/153:40 pm
ONT
- CVG
1 stop25h 45m
Frontier
Mon 7/209:30 pm
CVG
- ONT
1 stop13h 33m
Frontier
Deal found 6/16![Frontier logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/153:40 pm
ONT
- CVG
1 stop21h 12m
Multiple Airlines
Mon 7/2012:53 pm
CVG
- ONT
2 stops45h 39m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:49 am
ONT
- CVG
1 stop22h 42m
Multiple Airlines
Mon 7/279:30 pm
CVG
- ONT
1 stop13h 33m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 7/226:00 am
ONT
- CVG
1 stop27h 31m
Multiple Airlines
Tue 7/288:36 pm
CVG
- ONT
1 stop16h 28m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$272
This Expedia deal was found by Cheapflights users on 6/16. 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.
Wed 7/221:38 pm
ONT
- CVG
1 stop27h 47m
Frontier
Tue 7/288:36 pm
CVG
- ONT
1 stop16h 28m
Frontier
Deal found 6/16![Frontier logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:49 am
ONT
- CVG
2 stops21h 24m
Frontier
Mon 7/279:30 pm
CVG
- ONT
1 stop13h 33m
Frontier
Deal found 6/16![Frontier logo]()
$289
This Frontier deal was found by Cheapflights users on 6/16. 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.
Wed 7/226:00 am
ONT
- CVG
1 stop10h 31m
Frontier
Wed 7/298:36 pm
CVG
- ONT
1 stop6h 14m
Frontier
Deal found 6/16![Frontier logo]()
$313
This Booking.com deal was found by Cheapflights users on 6/16. 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.
Wed 7/291:38 pm
ONT
- CVG
1 stop27h 47m
Frontier
Mon 8/38:36 pm
CVG
- ONT
1 stop16h 28m
Frontier
Deal found 6/16![Frontier logo]()
$295
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 June 18, 2026.
Search for one-way flight options from Ontario to Cincinnati. Find affordable one-way fares based on user searches. Data last updated June 18, 2026.
This Trip.com deal was found by Cheapflights users on 6/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/223:40 pm
ONT
- CVG
1 stop21h 12m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$121
This Super.com deal was found by Cheapflights users on 6/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:17 am
ONT
- CVG
1 stop7h 05m
Frontier
Deal found 6/16![Frontier logo]()
$129
This Super.com deal was found by Cheapflights users on 6/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:08 pm
ONT
- CVG
1 stop24h 17m
Frontier
Deal found 6/16![Frontier logo]()
$134
This Trip.com deal was found by Cheapflights users on 6/17. 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 8/2010:49 am
ONT
- CVG
1 stop5h 46m
Frontier
Deal found 6/17![Frontier logo]()
$135
This Frontier deal was found by Cheapflights users on 6/16. 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 8/246:00 am
ONT
- CVG
1 stop10h 31m
Frontier
Deal found 6/16![Frontier logo]()
$138
This Super.com deal was found by Cheapflights users on 6/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/81:38 pm
ONT
- CVG
1 stop27h 47m
Frontier
Deal found 6/16![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/279:32 am
ONT
- CVG
2 stops47h 16m
Frontier
Deal found 6/16![Frontier logo]()
$159
This Super.com deal was found by Cheapflights users on 6/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:17 am
ONT
- CVG
1 stop7h 05m
Frontier
Deal found 6/14![Frontier logo]()
$161
This Super.com deal was found by Cheapflights users on 6/17. 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.
Sun 8/98:17 am
ONT
- CVG
1 stop7h 05m
Frontier
Deal found 6/17![Frontier logo]()
$162
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 June 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $245 (Kiwi.com) |
One-way from | $121 (Trip.com) |
Popular in | February |
Cheapest in | October |
Average price | $416 |
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 June 18, 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 - CVG
ONTCVG
Ontario
Thu 7/23
3:40 pm-8:25 pm
1 stop25h 45m
Cincinnati Cinci./N. Kentucky
Mon 7/27
9:30 pm-8:03 am
1 stop13h 33m
$331
Quickest round-trip
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Sat 10/3
6:00 am-3:04 pm
1 stop6h 04m
Cincinnati Cinci./N. Kentucky
Wed 10/7
7:55 pm-11:48 pm
1 stop6h 53m
$390
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Wed 9/30
11:59 am-11:55 pm
1 stop8h 56m
Cincinnati Cinci./N. Kentucky
Sun 10/11
6:40 am-12:30 pm
1 stop8h 50m
$432
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Thu 8/6
5:15 am-4:45 pm
2 stops8h 30m
Cincinnati Cinci./N. Kentucky
Thu 8/27
7:05 am-1:25 pm
2 stops9h 20m
$441
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Thu 10/15
8:35 am-6:30 pm
1 stop6h 55m
Cincinnati Cinci./N. Kentucky
Fri 10/16
7:05 am-2:00 pm
2 stops9h 55m
$450
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Tue 7/28
9:40 am-7:01 pm
1 stop6h 21m
Cincinnati Cinci./N. Kentucky
Thu 7/30
7:59 pm-11:48 pm
1 stop6h 49m
$463
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Tue 7/28
6:10 am-4:49 pm
1 stop7h 39m
Cincinnati Cinci./N. Kentucky
Wed 7/29
6:12 pm-10:51 pm
1 stop7h 39m
$477
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Tue 8/18
1:18 pm-10:30 pm
1 stop6h 12m
Cincinnati Cinci./N. Kentucky
Wed 8/19
5:25 am-12:50 pm
2 stops10h 25m
$482
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Thu 7/16
10:00 pm-8:56 am
1 stop7h 56m
Cincinnati Cinci./N. Kentucky
Thu 7/23
7:59 pm-11:48 pm
1 stop6h 49m
$487
Cheapest one-way
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Fri 7/3
6:00 am-7:31 pm
1 stop10h 31m
$190
Showing 1-10 of 21 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 June.
| 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 59 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 $325). Flying from Ontario to Cincinnati in February is currently the most expensive (average of $512). 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?
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 June 18, 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.
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
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
Sharonville
Blue Ash
Mason
Williamstown
Hebron
West Chester
Newport
Covington
Edgewood
Sparta
Middletown
Oxford
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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 June 18, 2026.
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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 June 18, 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 June 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$150 | Average$270 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$278 | Average$415 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$297 | Average$405 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$304 | Average$456 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$312 | Average$468 | FlexibilityNo cancel fee | On-time63% |