$154+ 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CVG
Jun 30 — Jul 71
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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Cincinnati
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Cheapest flights from Ontario to CincinnatiExplore the most affordable flight options available from Ontario to Cincinnati. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 31, 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 May 31, 2026.
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am
ONT
- CVG
1 stop6h 00m
Delta
Tue 9/86:00 am
CVG
- ONT
1 stop8h 04m
Delta
Deal found 5/31![Delta logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 5/29. 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 7/86:00 am
ONT
- CVG
1 stop27h 31m
Multiple Airlines
Tue 7/145:41 pm
CVG
- ONT
1 stop17h 22m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$300
This Frontier deal was found by Cheapflights users on 5/30. 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 8/186:00 am
ONT
- CVG
1 stop10h 31m
Frontier
Tue 8/258:36 pm
CVG
- ONT
1 stop6h 13m
Frontier
Deal found 5/30![Frontier logo]()
$310
This American Airlines deal was found by Cheapflights users on 5/30. 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 8/1812:33 pm
ONT
- CVG
1 stop7h 49m
American Airlines
Mon 8/246:50 pm
CVG
- ONT
1 stop7h 08m
American Airlines
Deal found 5/30![American Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 5/29. 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 7/76:00 am
ONT
- CVG
2 stops25h 05m
Multiple Airlines
Tue 7/145:41 pm
CVG
- ONT
1 stop17h 22m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$313
This Frontier deal was found by Cheapflights users on 5/26. 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 6/246:00 am
ONT
- CVG
1 stop10h 10m
Frontier
Tue 6/308:15 pm
CVG
- ONT
1 stop6h 34m
Frontier
Deal found 5/26![Frontier logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 5/27. 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
Tue 7/287:15 am
CVG
- ONT
2 stops29h 49m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$322
This Frontier deal was found by Cheapflights users on 5/29. 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 8/186:00 am
ONT
- CVG
1 stop10h 31m
Frontier
Mon 8/248:36 pm
CVG
- ONT
1 stop6h 13m
Frontier
Deal found 5/29![Frontier logo]()
$324
This Booking.com deal was found by Cheapflights users on 5/30. 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 6/241:33 pm
ONT
- CVG
1 stop27h 14m
Frontier
Sat 7/48:15 pm
CVG
- ONT
1 stop16h 49m
Frontier
Deal found 5/30![Frontier logo]()
$327
This Frontier deal was found by Cheapflights users on 5/26. 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 6/256:00 am
ONT
- CVG
1 stop10h 31m
Frontier
Mon 6/298:36 pm
CVG
- ONT
1 stop6h 13m
Frontier
Deal found 5/26![Frontier logo]()
$328
This Expedia deal was found by Cheapflights users on 5/30. 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 7/166:00 am
ONT
- CVG
1 stop10h 31m
Frontier
Tue 7/218:36 pm
CVG
- ONT
1 stop16h 28m
Frontier
Deal found 5/30![Frontier logo]()
$329
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 May 31, 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 May 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 7/308:17 am
ONT
- CVG
2 stops24h 31m
Frontier
Sun 8/29:30 pm
CVG
- ONT
1 stop13h 33m
Frontier
Deal found 5/26![Frontier logo]()
$430
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:00 am
ONT
- CVG
1 stop6h 55m
United Airlines
Sat 9/512:29 pm
CVG
- ONT
2 stops10h 32m
United Airlines
Deal found 5/31![United Airlines logo]()
$452
This Southwest deal was found by Cheapflights users on 5/30. 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 7/168:00 am
ONT
- CVG
2 stops8h 45m
Southwest
Tue 7/212:00 pm
CVG
- ONT
2 stops9h 20m
Southwest
Deal found 5/30![Southwest logo]()
$462
This Delta deal was found by Cheapflights users on 5/28. 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 7/2210:00 pm
ONT
- CVG
1 stop7h 56m
Delta
Sun 7/267:59 pm
CVG
- ONT
1 stop6h 49m
Delta
Deal found 5/28![Delta logo]()
$509
This Alaska Airlines deal was found by Cheapflights users on 5/30. 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 9/116:02 am
ONT
- CVG
1 stop8h 02m
Alaska Airlines
Tue 9/1510:30 am
CVG
- ONT
2 stops11h 33m
Alaska Airlines
Deal found 5/30![Alaska Airlines logo]()
$525
This United Airlines deal was found by Cheapflights users on 5/26. 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 9/15:00 am
ONT
- CVG
1 stop6h 23m
United Airlines
Wed 9/25:25 am
CVG
- ONT
2 stops10h 25m
United Airlines
Deal found 5/26![United Airlines logo]()
$502
This Alaska Airlines deal was found by Cheapflights users on 5/30. 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 9/106:02 am
ONT
- CVG
1 stop8h 02m
Alaska Airlines
Tue 9/1510:30 am
CVG
- ONT
2 stops11h 33m
Alaska Airlines
Deal found 5/30![Alaska Airlines logo]()
$525
This Southwest deal was found by Cheapflights users on 5/27. 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.
Mon 7/68:00 am
ONT
- CVG
2 stops8h 45m
Southwest
Mon 7/277:00 am
CVG
- ONT
2 stops8h 10m
Southwest
Deal found 5/27![Southwest logo]()
$541
This United Airlines deal was found by Cheapflights users on 5/27. 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 8/66:10 am
ONT
- CVG
1 stop7h 39m
United Airlines
Sat 8/81:56 pm
CVG
- ONT
2 stops10h 59m
United Airlines
Deal found 5/27![United Airlines logo]()
$530
This Southwest deal was found by Cheapflights users on 5/29. 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.
Mon 7/68:35 am
ONT
- CVG
2 stops9h 45m
Southwest
Mon 7/137:00 am
CVG
- ONT
2 stops8h 10m
Southwest
Deal found 5/29![Southwest logo]()
$541
This United Airlines deal was found by Cheapflights users on 5/26. 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 7/186:10 am
ONT
- CVG
1 stop7h 39m
United Airlines
Wed 7/226:12 pm
CVG
- ONT
1 stop7h 39m
United Airlines
Deal found 5/26![United Airlines logo]()
$543
Last-minute flights from Ontario to CincinnatiDiscover last-minute flight deals from Ontario to Cincinnati. Data last updated May 31, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Cincinnati. Data last updated May 31, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 5/27. 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 6/103:34 pm
ONT
- CVG
1 stop25h 13m
Frontier
Wed 6/248:15 pm
CVG
- ONT
1 stop16h 50m
Frontier
Deal found 5/27![Frontier logo]()
$343
This Booking.com deal was found by Cheapflights users on 5/28. 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 6/176:00 am
ONT
- CVG
1 stop10h 10m
Frontier
Tue 6/238:15 pm
CVG
- ONT
1 stop16h 50m
Frontier
Deal found 5/28![Frontier logo]()
$333
This Expedia deal was found by Cheapflights users on 5/30. 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 6/176:00 am
ONT
- CVG
1 stop10h 10m
Frontier
Mon 6/229:00 pm
CVG
- ONT
1 stop25h 51m
Frontier
Deal found 5/30![Frontier logo]()
$349
This Frontier deal was found by Cheapflights users on 5/29. 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 6/176:00 am
ONT
- CVG
1 stop10h 10m
Frontier
Sun 6/218:36 pm
CVG
- ONT
1 stop6h 13m
Frontier
Deal found 5/29![Frontier logo]()
$370
This Booking.com deal was found by Cheapflights users on 5/28. 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 6/183:34 pm
ONT
- CVG
1 stop25h 13m
Frontier
Mon 6/229:00 pm
CVG
- ONT
1 stop25h 51m
Frontier
Deal found 5/28![Frontier logo]()
$351
This Frontier deal was found by Cheapflights users on 5/30. 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 6/206:00 am
ONT
- CVG
1 stop10h 10m
Frontier
Thu 7/28:36 pm
CVG
- ONT
1 stop6h 13m
Frontier
Deal found 5/30![Frontier logo]()
$369
This Frontier deal was found by Cheapflights users on 5/26. 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 6/226:00 am
ONT
- CVG
1 stop10h 31m
Frontier
Tue 6/238:15 pm
CVG
- ONT
1 stop6h 34m
Frontier
Deal found 5/26![Frontier logo]()
$346
This Frontier deal was found by Cheapflights users on 5/26. 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 6/246:00 am
ONT
- CVG
1 stop10h 10m
Frontier
Tue 6/308:15 pm
CVG
- ONT
1 stop6h 34m
Frontier
Deal found 5/26![Frontier logo]()
$319
This Booking.com deal was found by Cheapflights users on 5/30. 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 6/241:33 pm
ONT
- CVG
1 stop27h 14m
Frontier
Sat 7/48:15 pm
CVG
- ONT
1 stop16h 49m
Frontier
Deal found 5/30![Frontier logo]()
$327
This Frontier deal was found by Cheapflights users on 5/26. 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 6/256:00 am
ONT
- CVG
1 stop10h 31m
Frontier
Mon 6/298:36 pm
CVG
- ONT
1 stop6h 13m
Frontier
Deal found 5/26![Frontier logo]()
$328
This Booking.com deal was found by Cheapflights users on 5/29. 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 6/256:00 am
ONT
- CVG
1 stop10h 31m
Frontier
Tue 6/308:15 pm
CVG
- ONT
1 stop16h 50m
Frontier
Deal found 5/29![Frontier logo]()
$363
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 May 31, 2026.
Search for one-way flight options from Ontario to Cincinnati. Find affordable one-way fares based on user searches. Data last updated May 31, 2026.
This Trip.com deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com 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 31m
Frontier
Deal found 5/31![Frontier logo]()
$154
This Trip.com deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:00 am
ONT
- CVG
1 stop10h 31m
Frontier
Deal found 5/31![Frontier logo]()
$158
This Frontier deal was found by Cheapflights users on 5/26. 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 6/166:00 am
ONT
- CVG
1 stop10h 10m
Frontier
Deal found 5/26![Frontier logo]()
$161
This Booking.com deal was found by Cheapflights users on 5/27. 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 8/261:27 pm
ONT
- CVG
1 stop27h 08m
Frontier
Deal found 5/27![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 5/29. 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 6/243:34 pm
ONT
- CVG
1 stop25h 13m
Frontier
Deal found 5/29![Frontier logo]()
$170
This Super.com deal was found by Cheapflights users on 5/27. 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 8/38:17 am
ONT
- CVG
1 stop7h 05m
Frontier
Deal found 5/27![Frontier logo]()
$173
This Super.com deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/78:17 am
ONT
- CVG
1 stop7h 05m
Frontier
Deal found 5/31![Frontier logo]()
$174
This Frontier deal was found by Cheapflights users on 5/30. 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 7/178:17 am
ONT
- CVG
1 stop7h 05m
Frontier
Deal found 5/30![Frontier logo]()
$175
This Super.com deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:00 am
ONT
- CVG
1 stop10h 31m
Frontier
Deal found 5/31![Frontier logo]()
$178
This Super.com deal was found by Cheapflights users on 5/30. 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 6/176:00 am
ONT
- CVG
1 stop10h 10m
Frontier
Deal found 5/30![Frontier logo]()
$179
This Super.com deal was found by Cheapflights users on 5/28. 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 8/233:34 pm
ONT
- CVG
1 stop25h 01m
Frontier
Deal found 5/28![Frontier logo]()
$180
This Gotogate deal was found by Cheapflights users on 5/28. 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 11/122:58 pm
ONT
- CVG
1 stop26h 23m
Frontier
Deal found 5/28![Frontier logo]()
$185
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 May 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $277 (Delta) |
One-way from | $154 (Trip.com) |
Popular in | February |
Cheapest in | October |
Average price | $431 |
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 May 31, 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 7/30
8:17 am-11:48 am
2 stops24h 31m
Cincinnati Cinci./N. Kentucky
Sun 8/2
9:30 pm-8:03 am
1 stop13h 33m
$430
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Thu 8/27
7:00 am-4:55 pm
1 stop6h 55m
Cincinnati Cinci./N. Kentucky
Sat 9/5
12:29 pm-8:01 pm
2 stops10h 32m
$452
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Thu 7/16
8:00 am-7:45 pm
2 stops8h 45m
Cincinnati Cinci./N. Kentucky
Tue 7/21
2:00 pm-8:20 pm
2 stops9h 20m
$462
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Tue 9/1
5:00 am-2:23 pm
1 stop6h 23m
Cincinnati Cinci./N. Kentucky
Wed 9/2
5:25 am-12:50 pm
2 stops10h 25m
$502
Quickest round-trip
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Wed 7/22
10:00 pm-8:56 am
1 stop7h 56m
Cincinnati Cinci./N. Kentucky
Sun 7/26
7:59 pm-11:48 pm
1 stop6h 49m
$509
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Fri 9/11
6:02 am-5:04 pm
1 stop8h 02m
Cincinnati Cinci./N. Kentucky
Tue 9/15
10:30 am-7:03 pm
2 stops11h 33m
$525
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Thu 9/10
6:02 am-5:04 pm
1 stop8h 02m
Cincinnati Cinci./N. Kentucky
Tue 9/15
10:30 am-7:03 pm
2 stops11h 33m
$525
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Thu 8/6
6:10 am-4:49 pm
1 stop7h 39m
Cincinnati Cinci./N. Kentucky
Sat 8/8
1:56 pm-9:55 pm
2 stops10h 59m
$530
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Mon 7/6
8:00 am-7:45 pm
2 stops8h 45m
Cincinnati Cinci./N. Kentucky
Mon 7/27
7:00 am-12:10 pm
2 stops8h 10m
$541
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Mon 7/6
8:35 am-9:20 pm
2 stops9h 45m
Cincinnati Cinci./N. Kentucky
Mon 7/13
7:00 am-12:10 pm
2 stops8h 10m
$541
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 May.
| 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
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 $491). 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 May 31, 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.
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
8.0
Food
7.0
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
Sharonville
Blue Ash
Mason
Williamstown
Hebron
West Chester
Newport
Covington
Sparta
Middletown
Edgewood
Oxford
Browse thousands of different options on Cheapflights for your next trip
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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 May 31, 2026.
Complete your trip
Complete your trip to Cincinnati by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Cincinnati by cabin class
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 May 31, 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 May 31, 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 May 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$150 | Average$266 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$278 | Average$412 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$297 | Average$382 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$304 | Average$456 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$312 | Average$468 | FlexibilityNo cancel fee | On-time63% |