$80+ 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CVG
May 19 — May 261
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
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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 April 19, 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 April 19, 2026.
This Expedia deal was found by Cheapflights users on 4/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:00 am
ONT
- CVG
1 stop27h 00m
Frontier
Mon 5/1112:50 pm
CVG
- ONT
1 stop24h 15m
Frontier
Deal found 4/15![Frontier logo]()
$160
This Booking.com deal was found by Cheapflights users on 4/14. 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 5/66:00 am
ONT
- CVG
1 stop25h 44m
Frontier
Sat 5/91:05 pm
CVG
- ONT
1 stop24h 00m
Frontier
Deal found 4/14![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/510:50 am
ONT
- CVG
1 stop22h 10m
Frontier
Tue 5/1912:50 pm
CVG
- ONT
1 stop13h 59m
Frontier
Deal found 4/14![Frontier logo]()
$180
This CheapOair deal was found by Cheapflights users on 4/14. 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.
Sun 5/312:59 am
ONT
- CVG
1 stop16h 25m
Frontier
Fri 5/88:40 pm
CVG
- ONT
1 stop25h 52m
Frontier
Deal found 4/14![Frontier logo]()
$191
This CheapOair deal was found by Cheapflights users on 4/13. 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 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 stop15h 13m
Frontier
Mon 5/49:29 pm
CVG
- ONT
1 stop29h 20m
Frontier
Deal found 4/13![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Fri 5/156:00 am
ONT
- CVG
1 stop27h 00m
Frontier
Tue 5/1912:50 pm
CVG
- ONT
1 stop13h 59m
Frontier
Deal found 4/15![Frontier logo]()
$197
This Trip.com deal was found by Cheapflights users on 4/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:20 pm
ONT
- CVG
1 stop6h 33m
Frontier
Sat 5/91:05 pm
CVG
- ONT
1 stop13h 44m
Frontier
Deal found 4/15![Frontier logo]()
$198
This CheapOair deal was found by Cheapflights users on 4/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:00 am
ONT
- CVG
1 stop26h 55m
Frontier
Mon 5/1812:50 pm
CVG
- ONT
1 stop24h 15m
Frontier
Deal found 4/13![Frontier logo]()
$205
This Booking.com deal was found by Cheapflights users on 4/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:00 am
ONT
- CVG
1 stop27h 00m
Frontier
Sun 5/101:51 pm
CVG
- ONT
1 stop8h 20m
Frontier
Deal found 4/15![Frontier logo]()
$212
This CheapOair deal was found by Cheapflights users on 4/14. 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.
Sat 5/212:59 am
ONT
- CVG
1 stop15h 13m
Frontier
Tue 5/512:15 pm
CVG
- ONT
1 stop24h 50m
Frontier
Deal found 4/14![Frontier logo]()
$217
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 April 19, 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 April 19, 2026.
This Delta deal was found by Cheapflights users on 4/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:00 am
ONT
- CVG
1 stop5h 44m
Delta
Tue 5/197:55 pm
CVG
- ONT
1 stop6h 39m
Delta
Deal found 4/17![Delta logo]()
$367
This United Airlines deal was found by Cheapflights users on 4/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:30 am
ONT
- CVG
1 stop9h 43m
United Airlines
Sat 5/305:54 pm
CVG
- ONT
1 stop7h 57m
United Airlines
Deal found 4/17![United Airlines logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 4/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:00 am
ONT
- CVG
1 stop10h 31m
Frontier
Sun 6/149:00 pm
CVG
- ONT
2 stops17h 13m
Frontier
Deal found 4/18![Frontier logo]()
$412
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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.
Wed 9/236:00 am
ONT
- CVG
1 stop8h 05m
Alaska Airlines
Wed 9/306:05 pm
CVG
- ONT
1 stop8h 19m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$487
This Delta deal was found by Cheapflights users on 4/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/231:29 pm
ONT
- CVG
1 stop5h 59m
Delta
Wed 5/274:11 pm
CVG
- ONT
1 stop8h 37m
Delta
Deal found 4/18![Delta logo]()
$383
This Delta deal was found by Cheapflights users on 4/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:00 pm
ONT
- CVG
1 stop8h 01m
Delta
Sat 5/93:00 pm
CVG
- ONT
1 stop9h 48m
Delta
Deal found 4/17![Delta logo]()
$398
This United Airlines deal was found by Cheapflights users on 4/14. 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 5/55:00 am
ONT
- CVG
1 stop6h 30m
United Airlines
Sat 5/93:36 pm
CVG
- ONT
1 stop8h 00m
United Airlines
Deal found 4/14![United Airlines logo]()
$482
This Delta deal was found by Cheapflights users on 4/15. 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 6/41:29 pm
ONT
- CVG
1 stop5h 59m
Delta
Mon 6/87:59 pm
CVG
- ONT
1 stop6h 46m
Delta
Deal found 4/15![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Wed 5/66:00 am
ONT
- CVG
1 stop6h 55m
United Airlines
Sat 5/92:03 pm
CVG
- ONT
1 stop6h 58m
United Airlines
Deal found 4/15![United Airlines logo]()
$482
This Delta deal was found by Cheapflights users on 4/15. 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.
Mon 6/19:50 am
ONT
- CVG
1 stop6h 05m
Delta
Wed 6/105:34 am
CVG
- ONT
1 stop8h 06m
Delta
Deal found 4/15![Delta logo]()
$413
This Delta deal was found by Cheapflights users on 4/14. 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 5/1210:00 pm
ONT
- CVG
1 stop8h 01m
Delta
Fri 5/157:55 pm
CVG
- ONT
1 stop6h 39m
Delta
Deal found 4/14![Delta logo]()
$427
This Delta deal was found by Cheapflights users on 4/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:00 am
ONT
- CVG
1 stop5h 44m
Delta
Wed 5/137:55 pm
CVG
- ONT
1 stop6h 39m
Delta
Deal found 4/17![Delta logo]()
$478
Last-minute flights from Ontario to CincinnatiDiscover last-minute flight deals from Ontario to Cincinnati. Data last updated April 19, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Cincinnati. Data last updated April 19, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 4/13. 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 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 stop15h 13m
Frontier
Mon 5/49:29 pm
CVG
- ONT
1 stop29h 20m
Frontier
Deal found 4/13![Frontier logo]()
$196
This Trip.com deal was found by Cheapflights users on 4/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:20 pm
ONT
- CVG
1 stop6h 33m
Frontier
Sat 5/91:05 pm
CVG
- ONT
1 stop13h 44m
Frontier
Deal found 4/15![Frontier logo]()
$198
This CheapOair deal was found by Cheapflights users on 4/14. 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.
Sat 5/212:59 am
ONT
- CVG
1 stop15h 13m
Frontier
Tue 5/512:15 pm
CVG
- ONT
1 stop24h 50m
Frontier
Deal found 4/14![Frontier logo]()
$217
This CheapOair deal was found by Cheapflights users on 4/14. 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.
Sun 5/312:59 am
ONT
- CVG
1 stop16h 25m
Frontier
Fri 5/88:40 pm
CVG
- ONT
1 stop25h 52m
Frontier
Deal found 4/14![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/510:50 am
ONT
- CVG
1 stop22h 10m
Frontier
Tue 5/1912:50 pm
CVG
- ONT
1 stop13h 59m
Frontier
Deal found 4/14![Frontier logo]()
$180
This Booking.com deal was found by Cheapflights users on 4/14. 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 5/66:00 am
ONT
- CVG
1 stop25h 44m
Frontier
Sat 5/91:05 pm
CVG
- ONT
1 stop24h 00m
Frontier
Deal found 4/14![Frontier logo]()
$172
This Expedia deal was found by Cheapflights users on 4/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:00 am
ONT
- CVG
1 stop27h 00m
Frontier
Mon 5/1112:50 pm
CVG
- ONT
1 stop24h 15m
Frontier
Deal found 4/15![Frontier logo]()
$160
This Booking.com deal was found by Cheapflights users on 4/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:00 am
ONT
- CVG
1 stop27h 00m
Frontier
Sun 5/101:51 pm
CVG
- ONT
1 stop8h 20m
Frontier
Deal found 4/15![Frontier logo]()
$212
This CheapOair deal was found by Cheapflights users on 4/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:00 am
ONT
- CVG
1 stop26h 55m
Frontier
Mon 5/1812:50 pm
CVG
- ONT
1 stop24h 15m
Frontier
Deal found 4/13![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Fri 5/156:00 am
ONT
- CVG
1 stop27h 00m
Frontier
Tue 5/1912:50 pm
CVG
- ONT
1 stop13h 59m
Frontier
Deal found 4/15![Frontier logo]()
$197
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 April 19, 2026.
Search for one-way flight options from Ontario to Cincinnati. Find affordable one-way fares based on user searches. Data last updated April 19, 2026.
This Frontier deal was found by Cheapflights users on 4/15. 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.
Sat 5/238:43 am
ONT
- CVG
1 stop6h 34m
Frontier
Deal found 4/15![Frontier logo]()
$80
This Booking.com deal was found by Cheapflights users on 4/14. 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 5/66:00 am
ONT
- CVG
1 stop25h 44m
Frontier
Deal found 4/14![Frontier logo]()
$86
This Super.com deal was found by Cheapflights users on 4/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:20 pm
ONT
- CVG
1 stop6h 33m
Frontier
Deal found 4/15![Frontier logo]()
$104
This Expedia deal was found by Cheapflights users on 4/17. 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.
Tue 5/510:50 am
ONT
- CVG
1 stop22h 10m
Frontier
Deal found 4/17![Frontier logo]()
$106
This Super.com deal was found by Cheapflights users on 4/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/305:43 pm
ONT
- CVG
1 stop22h 29m
Frontier
Deal found 4/15![Frontier logo]()
$110
This Frontier deal was found by Cheapflights users on 4/16. 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 5/286:00 am
ONT
- CVG
1 stop10h 31m
Frontier
Deal found 4/16![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 4/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1310:50 am
ONT
- CVG
2 stops42h 35m
Frontier
Deal found 4/18![Frontier logo]()
$115
This Frontier deal was found by Cheapflights users on 4/14. 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 4/238:59 pm
ONT
- CVG
1 stop5h 54m
Frontier
Deal found 4/14![Frontier logo]()
$125
This Super.com deal was found by Cheapflights users on 4/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:59 am
ONT
- CVG
1 stop15h 13m
Frontier
Deal found 4/15![Frontier logo]()
$129
This Super.com deal was found by Cheapflights users on 4/14. 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.
Sat 4/2512:59 am
ONT
- CVG
1 stop15h 13m
Frontier
Deal found 4/14![Frontier logo]()
$130
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 April 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $160 (Expedia) |
One-way from | $80 (Frontier) |
Popular in | April |
Cheapest in | October |
Average price | $511 |
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 April 19, 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
Quickest round-trip
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Tue 5/12
6:00 am-2:44 pm
1 stop5h 44m
Cincinnati Cinci./N. Kentucky
Tue 5/19
7:55 pm-11:34 pm
1 stop6h 39m
$367
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Tue 5/26
6:30 am-7:13 pm
1 stop9h 43m
Cincinnati Cinci./N. Kentucky
Sat 5/30
5:54 pm-10:51 pm
1 stop7h 57m
$383
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Sat 5/23
1:29 pm-10:28 pm
1 stop5h 59m
Cincinnati Cinci./N. Kentucky
Wed 5/27
4:11 pm-9:48 pm
1 stop8h 37m
$383
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Thu 5/7
10:00 pm-9:01 am
1 stop8h 01m
Cincinnati Cinci./N. Kentucky
Sat 5/9
3:00 pm-9:48 pm
1 stop9h 48m
$398
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Thu 6/4
1:29 pm-10:28 pm
1 stop5h 59m
Cincinnati Cinci./N. Kentucky
Mon 6/8
7:59 pm-11:45 pm
1 stop6h 46m
$399
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Fri 6/12
6:00 am-7:31 pm
1 stop10h 31m
Cincinnati Cinci./N. Kentucky
Sun 6/14
9:00 pm-11:13 am
2 stops17h 13m
$412
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Mon 6/1
9:50 am-6:55 pm
1 stop6h 05m
Cincinnati Cinci./N. Kentucky
Wed 6/10
5:34 am-10:40 am
1 stop8h 06m
$413
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Tue 5/12
10:00 pm-9:01 am
1 stop8h 01m
Cincinnati Cinci./N. Kentucky
Fri 5/15
7:55 pm-11:34 pm
1 stop6h 39m
$427
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Wed 5/13
6:00 am-2:44 pm
1 stop5h 44m
Cincinnati Cinci./N. Kentucky
Wed 5/13
7:55 pm-11:34 pm
1 stop6h 39m
$478
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Tue 5/5
5:00 am-2:30 pm
1 stop6h 30m
Cincinnati Cinci./N. Kentucky
Sat 5/9
3:36 pm-8:36 pm
1 stop8h 00m
$482
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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | 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
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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 April 17, 2026.
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 $325). Flying from Ontario to Cincinnati in April is currently the most expensive (average of $511). 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?
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.
Seattle (SEA) – chosen by Cheapflights users on 75% 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.
Chicago (ORD) is the most affordable 1-stop option, with an average round-trip price of $288.
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 April 19, 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.
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
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 locationsFlorence
Newport
Sharonville
Blue Ash
Mason
Covington
Williamstown
Hebron
West Chester
Sparta
Middletown
Edgewood
Oxford
Dry Ridge
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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 April 19, 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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Find flights from Ontario to Cincinnati, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Cincinnati flights
Browse other Ontario and Cincinnati flight options. Last updated on April 19, 2026.
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 April 19, 2026.
Popular flight searches
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 2,558,603 searches. Data last updated April 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$150 | Average$266 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$297 | Average$385 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$299 | Average$412 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$304 | Average$456 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$312 | Average$456 | FlexibilityNo cancel fee | On-time63% |