$95+ 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CVG
Apr 3 — Apr 101
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 March 4, 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 March 4, 2026.
This Travelocity deal was found by Cheapflights users on 3/3. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2510:03 pm
ONT
- CVG
1 stop11h 39m
Frontier
Thu 4/98:48 pm
CVG
- ONT
1 stop14h 16m
Frontier
Deal found 3/3![Frontier logo]()
$190
This Booking.com deal was found by Cheapflights users on 3/1. 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 4/305:43 pm
ONT
- CVG
1 stop22h 29m
Frontier
Mon 5/48:38 pm
CVG
- ONT
1 stop24h 56m
Frontier
Deal found 3/1![Frontier logo]()
$192
This CheapOair deal was found by Cheapflights users on 2/27. 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 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 5/48:38 pm
CVG
- ONT
1 stop20h 02m
Frontier
Deal found 2/27![Frontier logo]()
$201
This Booking.com deal was found by Cheapflights users on 3/2. 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 3/252:23 pm
ONT
- CVG
1 stop19h 19m
Frontier
Tue 3/317:20 am
CVG
- ONT
1 stop19h 39m
Frontier
Deal found 3/2![Frontier logo]()
$203
This Frontier deal was found by Cheapflights users on 3/3. 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.
Sun 5/38:19 pm
ONT
- CVG
1 stop6h 34m
Frontier
Mon 5/111:05 pm
CVG
- ONT
1 stop13h 19m
Frontier
Deal found 3/3![Frontier logo]()
$211
This Expedia deal was found by Cheapflights users on 3/2. 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 4/26:20 am
ONT
- CVG
1 stop25h 21m
Frontier
Tue 4/77:20 am
CVG
- ONT
1 stop19h 36m
Frontier
Deal found 3/2![Frontier logo]()
$220
This CheapOair deal was found by Cheapflights users on 3/1. 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 4/2512:59 am
ONT
- CVG
1 stop15h 13m
Frontier
Sun 5/108:48 pm
CVG
- ONT
1 stop26h 16m
Frontier
Deal found 3/1![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 4/2312:59 am
ONT
- CVG
1 stop15h 13m
Frontier
Mon 4/279:29 pm
CVG
- ONT
2 stops24h 20m
Frontier
Deal found 3/4![Frontier logo]()
$224
This CheapOair deal was found by Cheapflights users on 2/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/66:20 am
ONT
- CVG
1 stop29h 02m
Frontier
Sun 4/128:48 pm
CVG
- ONT
1 stop26h 19m
Frontier
Deal found 2/28![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Sat 4/1812:59 am
ONT
- CVG
1 stop15h 13m
Frontier
Sat 4/254:26 pm
CVG
- ONT
2 stops18h 00m
Frontier
Deal found 3/3![Frontier logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 5/712:59 am
ONT
- CVG
1 stop14h 49m
Multiple Airlines
Tue 5/125:20 pm
CVG
- ONT
2 stops30h 19m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$237
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 March 4, 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 March 4, 2026.
This Delta deal was found by Cheapflights users on 3/1. 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.
Fri 5/15:55 pm
ONT
- CVG
2 stops13h 33m
Delta
Mon 5/46:30 am
CVG
- ONT
1 stop10h 09m
Delta
Deal found 3/1![Delta logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 3/1. 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 5/73:26 pm
ONT
- CVG
1 stop23h 32m
Alaska Airlines
Tue 5/126:58 pm
CVG
- ONT
1 stop19h 14m
Alaska Airlines
Deal found 3/1![Alaska Airlines logo]()
$388
This United Airlines deal was found by Cheapflights users on 3/1. 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 4/46:49 pm
ONT
- CVG
2 stops24h 41m
United Airlines
Tue 4/78:30 am
CVG
- ONT
2 stops12h 32m
United Airlines
Deal found 3/1![United Airlines logo]()
$524
This Delta deal was found by Cheapflights users on 2/28. 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.
Tue 3/1710:25 pm
ONT
- CVG
1 stop7h 31m
Delta
Wed 3/257:59 pm
CVG
- ONT
1 stop6h 52m
Delta
Deal found 2/28![Delta logo]()
$425
This Alaska Airlines deal was found by Cheapflights users on 3/2. 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.
Tue 4/76:00 am
ONT
- CVG
1 stop9h 29m
Alaska Airlines
Thu 4/167:29 pm
CVG
- ONT
1 stop31h 30m
Alaska Airlines
Deal found 3/2![Alaska Airlines logo]()
$443
This Delta deal was found by Cheapflights users on 2/28. 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 3/181:20 pm
ONT
- CVG
1 stop6h 24m
Delta
Wed 3/257:59 pm
CVG
- ONT
1 stop6h 52m
Delta
Deal found 2/28![Delta logo]()
$425
This United Airlines deal was found by Cheapflights users on 2/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:15 am
ONT
- CVG
2 stops13h 30m
United Airlines
Tue 3/243:25 pm
CVG
- ONT
2 stops10h 32m
United Airlines
Deal found 2/28![United Airlines logo]()
$525
This Alaska Airlines deal was found by Cheapflights users on 3/3. 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 7/315:38 pm
ONT
- CVG
1 stop9h 02m
Alaska Airlines
Mon 8/35:00 pm
CVG
- ONT
1 stop9h 11m
Alaska Airlines
Deal found 3/3![Alaska Airlines logo]()
$487
This Delta deal was found by Cheapflights users on 2/28. 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.
Tue 3/171:20 pm
ONT
- CVG
1 stop6h 24m
Delta
Mon 3/307:59 pm
CVG
- ONT
1 stop6h 52m
Delta
Deal found 2/28![Delta logo]()
$463
This United Airlines deal was found by Cheapflights users on 3/2. 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 6/186:30 am
ONT
- CVG
1 stop7h 19m
United Airlines
Sun 6/215:55 pm
CVG
- ONT
1 stop7h 51m
United Airlines
Deal found 3/2![United Airlines logo]()
$537
This Delta deal was found by Cheapflights users on 3/2. 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 6/610:00 pm
ONT
- CVG
1 stop7h 52m
Delta
Sat 6/136:00 pm
CVG
- ONT
1 stop6h 44m
Delta
Deal found 3/2![Delta logo]()
$487
This United Airlines deal was found by Cheapflights users on 3/1. 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.
Sun 6/146:30 am
ONT
- CVG
1 stop7h 19m
United Airlines
Sun 6/285:55 pm
CVG
- ONT
1 stop7h 51m
United Airlines
Deal found 3/1![United Airlines logo]()
$537
Last-minute flights from Ontario to CincinnatiDiscover last-minute flight deals from Ontario to Cincinnati. Data last updated March 4, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Cincinnati. Data last updated March 4, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 2/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/142:23 pm
ONT
- CVG
1 stop12h 38m
Frontier
Tue 3/177:20 am
CVG
- ONT
1 stop19h 39m
Frontier
Deal found 2/28![Frontier logo]()
$241
This Travelocity deal was found by Cheapflights users on 3/3. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2510:03 pm
ONT
- CVG
1 stop11h 39m
Frontier
Thu 4/98:48 pm
CVG
- ONT
1 stop14h 16m
Frontier
Deal found 3/3![Frontier logo]()
$190
This Booking.com deal was found by Cheapflights users on 3/2. 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 3/252:23 pm
ONT
- CVG
1 stop19h 19m
Frontier
Tue 3/317:20 am
CVG
- ONT
1 stop19h 39m
Frontier
Deal found 3/2![Frontier logo]()
$203
This Expedia deal was found by Cheapflights users on 3/2. 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 4/26:20 am
ONT
- CVG
1 stop25h 21m
Frontier
Tue 4/77:20 am
CVG
- ONT
1 stop19h 36m
Frontier
Deal found 3/2![Frontier logo]()
$220
This CheapOair deal was found by Cheapflights users on 2/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/66:20 am
ONT
- CVG
1 stop29h 02m
Frontier
Sun 4/128:48 pm
CVG
- ONT
1 stop26h 19m
Frontier
Deal found 2/28![Frontier logo]()
$231
This Frontier deal was found by Cheapflights users on 3/3. 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 4/167:49 pm
ONT
- CVG
1 stop7h 04m
Frontier
Fri 4/241:10 pm
CVG
- ONT
1 stop13h 48m
Frontier
Deal found 3/3![Frontier logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Sat 4/1812:59 am
ONT
- CVG
1 stop15h 13m
Frontier
Sat 4/254:26 pm
CVG
- ONT
2 stops18h 00m
Frontier
Deal found 3/3![Frontier logo]()
$233
This CheapOair deal was found by Cheapflights users on 3/3. 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 4/235:33 pm
ONT
- CVG
1 stop22h 39m
Frontier
Sun 4/268:38 pm
CVG
- ONT
1 stop19h 32m
Frontier
Deal found 3/3![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 4/2312:59 am
ONT
- CVG
1 stop15h 13m
Frontier
Mon 4/279:29 pm
CVG
- ONT
2 stops24h 20m
Frontier
Deal found 3/4![Frontier logo]()
$224
This CheapOair deal was found by Cheapflights users on 3/1. 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 4/2512:59 am
ONT
- CVG
1 stop15h 13m
Frontier
Sun 5/108:48 pm
CVG
- ONT
1 stop26h 16m
Frontier
Deal found 3/1![Frontier logo]()
$222
This Booking.com deal was found by Cheapflights users on 3/1. 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 4/305:43 pm
ONT
- CVG
1 stop22h 29m
Frontier
Mon 5/48:38 pm
CVG
- ONT
1 stop24h 56m
Frontier
Deal found 3/1![Frontier logo]()
$192
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 March 4, 2026.
Search for one-way flight options from Ontario to Cincinnati. Find affordable one-way fares based on user searches. Data last updated March 4, 2026.
This Frontier deal was found by Cheapflights users on 3/2. 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 5/188:59 pm
ONT
- CVG
1 stop6h 16m
Frontier
Deal found 3/2![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 3/2. 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 5/75:33 pm
ONT
- CVG
1 stop22h 15m
Frontier
Deal found 3/2![Frontier logo]()
$96
This Mytrip deal was found by Cheapflights users on 2/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1812:59 am
ONT
- CVG
1 stop15h 13m
Frontier
Deal found 2/28![Frontier logo]()
$101
This Frontier deal was found by Cheapflights users on 3/2. 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 5/158:59 pm
ONT
- CVG
1 stop6h 16m
Frontier
Deal found 3/2![Frontier logo]()
$116
This Expedia deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:59 am
ONT
- CVG
1 stop15h 13m
Frontier
Deal found 3/3![Frontier logo]()
$122
This Expedia deal was found by Cheapflights users on 3/3. 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 4/26:20 am
ONT
- CVG
1 stop25h 21m
Frontier
Deal found 3/3![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 3/2. 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.
Sun 5/38:21 am
ONT
- CVG
2 stops31h 15m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$134
This Frontier deal was found by Cheapflights users on 2/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/147:31 pm
ONT
- CVG
1 stop7h 30m
Frontier
Deal found 2/28![Frontier logo]()
$135
This CheapOair deal was found by Cheapflights users on 2/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/268:07 am
ONT
- CVG
1 stop18h 54m
Frontier
Deal found 2/28![Frontier logo]()
$137
This Super.com deal was found by Cheapflights users on 3/4. 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 3/196:15 am
ONT
- CVG
1 stop25h 33m
Frontier
Deal found 3/4![Frontier logo]()
$139
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 March 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $190 (Travelocity) |
One-way from | $95 (Frontier) |
Popular in | February |
Cheapest in | September |
Average price | $350 |
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 March 4, 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
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Fri 5/1
5:55 pm-10:28 am
2 stops13h 33m
Cincinnati Cinci./N. Kentucky
Mon 5/4
6:30 am-1:39 pm
1 stop10h 09m
$363
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Thu 5/7
3:26 pm-5:58 pm
1 stop23h 32m
Cincinnati Cinci./N. Kentucky
Tue 5/12
6:58 pm-11:12 am
1 stop19h 14m
$388
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Tue 3/17
10:25 pm-8:56 am
1 stop7h 31m
Cincinnati Cinci./N. Kentucky
Wed 3/25
7:59 pm-11:51 pm
1 stop6h 52m
$425
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Wed 3/18
1:20 pm-10:44 pm
1 stop6h 24m
Cincinnati Cinci./N. Kentucky
Wed 3/25
7:59 pm-11:51 pm
1 stop6h 52m
$425
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Tue 4/7
6:00 am-6:29 pm
1 stop9h 29m
Cincinnati Cinci./N. Kentucky
Thu 4/16
7:29 pm-11:59 pm
1 stop31h 30m
$443
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Tue 3/17
1:20 pm-10:44 pm
1 stop6h 24m
Cincinnati Cinci./N. Kentucky
Mon 3/30
7:59 pm-11:51 pm
1 stop6h 52m
$463
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Fri 7/31
5:38 pm-5:40 am
1 stop9h 02m
Cincinnati Cinci./N. Kentucky
Mon 8/3
5:00 pm-11:11 pm
1 stop9h 11m
$487
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Sat 6/6
10:00 pm-8:52 am
1 stop7h 52m
Cincinnati Cinci./N. Kentucky
Sat 6/13
6:00 pm-9:44 pm
1 stop6h 44m
$487
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Sat 4/4
6:49 pm-10:30 pm
2 stops24h 41m
Cincinnati Cinci./N. Kentucky
Tue 4/7
8:30 am-6:02 pm
2 stops12h 32m
$524
OntarioCincinnati
ONT - CVG
ONTCVG
Ontario
Thu 3/19
6:15 am-10:45 pm
2 stops13h 30m
Cincinnati Cinci./N. Kentucky
Tue 3/24
3:25 pm-10:57 pm
2 stops10h 32m
$525
Showing 1-10 of 22 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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | 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
Prices
More
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 February 27, 2026.
To ensure you get the cheapest price possible for a flight from Ontario to Cincinnati, you should look to book at least 24 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, June is the cheapest month in which you can book a flight from Ontario to Cincinnati (average of $71). Flying from Ontario to Cincinnati in February is currently the most expensive (average of $213). 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.
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.
Denver (DEN) – chosen by Cheapflights users on 50% 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.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $243.
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 March 4, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Ontario to Cincinnati to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
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
Newport
Sharonville
Mason
West Chester
Covington
Blue Ash
Williamstown
Hebron
Sparta
Middletown
Edgewood
Oxford
Dry Ridge
Browse thousands of different options on Cheapflights for your next trip
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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 March 4, 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 March 4, 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 March 4, 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 March 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$150 | Average$270 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$299 | Average$422 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$304 | Average$456 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$304 | Average$405 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$312 | Average$456 | FlexibilityNo cancel fee | On-time63% |