$86+ Cheap flights from Cincinnati to Ontario (CVG - ONT)
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.
CVG — ONT
Jun 2 — Jun 91
Round-trip
1 adult, Economy
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Find cheap flights from Cincinnati to Ontario with Cheapflights
1. Tell us where you want to go
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Cheapest flights from Cincinnati to OntarioExplore the most affordable flight options available from Cincinnati to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 3, 2026.
Explore the most affordable flight options available from Cincinnati to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 3, 2026.
This Frontier deal was found by Cheapflights users on 4/30. 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 7/148:15 pm
CVG
- ONT
1 stop6h 35m
Frontier
Wed 7/226:00 am
ONT
- CVG
1 stop10h 03m
Frontier
Deal found 4/30![Frontier logo]()
$210
This CheapOair deal was found by Cheapflights users on 4/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:36 pm
CVG
- ONT
1 stop16h 29m
Frontier
Tue 6/91:33 pm
ONT
- CVG
1 stop27h 14m
Frontier
Deal found 4/29![Frontier logo]()
$221
This Mytrip deal was found by Cheapflights users on 5/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/308:15 pm
CVG
- ONT
1 stop16h 50m
Frontier
Tue 7/73:40 pm
ONT
- CVG
1 stop25h 08m
Frontier
Deal found 5/1![Frontier logo]()
$222
This Frontier deal was found by Cheapflights users on 4/30. 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 7/118:36 pm
CVG
- ONT
1 stop6h 14m
Frontier
Tue 7/216:00 am
ONT
- CVG
1 stop10h 03m
Frontier
Deal found 4/30![Frontier logo]()
$224
This Gotogate deal was found by Cheapflights users on 4/28. 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 5/148:40 pm
CVG
- ONT
1 stop14h 09m
Frontier
Mon 5/186:00 am
ONT
- CVG
1 stop26h 55m
Frontier
Deal found 4/28![Frontier logo]()
$226
This Frontier deal was found by Cheapflights users on 4/29. 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.
Sun 7/128:36 pm
CVG
- ONT
1 stop6h 14m
Frontier
Tue 7/216:00 am
ONT
- CVG
1 stop10h 03m
Frontier
Deal found 4/29![Frontier logo]()
$230
This Frontier deal was found by Cheapflights users on 4/28. 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.
Thu 5/288:36 pm
CVG
- ONT
1 stop16h 29m
Frontier
Wed 6/36:00 am
ONT
- CVG
1 stop10h 41m
Frontier
Deal found 4/28![Frontier logo]()
$231
This Booking.com deal was found by Cheapflights users on 4/30. 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.
Sat 5/238:36 pm
CVG
- ONT
1 stop16h 29m
Frontier
Sat 5/308:43 am
ONT
- CVG
1 stop6h 34m
Frontier
Deal found 4/30![Frontier logo]()
$232
This CheapOair deal was found by Cheapflights users on 4/28. 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 5/188:40 pm
CVG
- ONT
1 stop22h 04m
Frontier
Sun 5/246:00 am
ONT
- CVG
1 stop10h 31m
Frontier
Deal found 4/28![Frontier logo]()
$236
This CheapOair deal was found by Cheapflights users on 4/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:05 pm
CVG
- ONT
1 stop13h 44m
Frontier
Sat 5/166:00 am
ONT
- CVG
1 stop25h 44m
Frontier
Deal found 4/30![Frontier logo]()
$237
This Frontier deal was found by Cheapflights users on 4/29. 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.
Sat 7/258:36 pm
CVG
- ONT
1 stop6h 14m
Frontier
Sat 8/16:00 am
ONT
- CVG
1 stop10h 24m
Frontier
Deal found 4/29![Frontier logo]()
$238
This CheapOair deal was found by Cheapflights users on 4/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/88:40 pm
CVG
- ONT
1 stop26h 11m
Frontier
Mon 6/156:00 am
ONT
- CVG
1 stop10h 31m
Frontier
Deal found 4/30![Frontier logo]()
$241
Best flights from Cincinnati to OntarioDiscover carefully curated flight deals from Cincinnati to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 3, 2026.
Discover carefully curated flight deals from Cincinnati to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 3, 2026.
This Delta deal was found by Cheapflights users on 5/2. 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.
Wed 7/15:34 am
CVG
- ONT
1 stop8h 06m
Delta
Sat 7/1112:00 pm
ONT
- CVG
1 stop6h 59m
Delta
Deal found 5/2![Delta logo]()
$442
This Southwest deal was found by Cheapflights users on 5/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:00 am
CVG
- ONT
2 stops11h 05m
Southwest
Wed 7/299:45 am
ONT
- CVG
2 stops9h 05m
Southwest
Deal found 5/2![Southwest logo]()
$513
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:00 am
CVG
- ONT
2 stops12h 09m
Alaska Airlines
Wed 6/36:00 am
ONT
- CVG
1 stop9h 08m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$580
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Fri 5/224:12 pm
CVG
- ONT
1 stop9h 39m
United Airlines
Sat 6/65:00 am
ONT
- CVG
2 stops8h 49m
United Airlines
Deal found 5/2![United Airlines logo]()
$664
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:55 pm
CVG
- ONT
1 stop6h 39m
Delta
Sun 5/3110:00 pm
ONT
- CVG
1 stop8h 04m
Delta
Deal found 4/30![Delta logo]()
$442
This Delta deal was found by Cheapflights users on 5/1. 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 9/187:55 pm
CVG
- ONT
1 stop6h 49m
Delta
Mon 9/2110:59 pm
ONT
- CVG
1 stop6h 53m
Delta
Deal found 5/1![Delta logo]()
$487
This Alaska Airlines deal was found by Cheapflights users on 5/1. 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.
Mon 10/198:30 am
CVG
- ONT
1 stop9h 17m
Alaska Airlines
Fri 10/236:58 pm
ONT
- CVG
2 stops12h 29m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$592
This Alaska Airlines deal was found by Cheapflights users on 5/1. 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 10/88:30 am
CVG
- ONT
1 stop9h 17m
Alaska Airlines
Mon 10/126:58 pm
ONT
- CVG
2 stops14h 08m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$592
This Delta deal was found by Cheapflights users on 4/28. 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.
Fri 5/294:11 pm
CVG
- ONT
1 stop8h 37m
Delta
Sun 5/3110:00 pm
ONT
- CVG
2 stops15h 50m
Delta
Deal found 4/28![Delta logo]()
$547
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Fri 5/223:29 pm
CVG
- ONT
1 stop8h 13m
United Airlines
Mon 5/255:00 am
ONT
- CVG
2 stops8h 49m
United Airlines
Deal found 5/2![United Airlines logo]()
$664
This Alaska Airlines deal was found by Cheapflights users on 5/1. 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.
Mon 10/58:30 am
CVG
- ONT
1 stop9h 17m
Alaska Airlines
Thu 10/86:58 pm
ONT
- CVG
1 stop22h 26m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$640
Last-minute flights from Cincinnati to OntarioDiscover last-minute flight deals from Cincinnati to Ontario. Data last updated May 3, 2026 and is based on user searches.
Discover last-minute flight deals from Cincinnati to Ontario. Data last updated May 3, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 4/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/78:40 pm
CVG
- ONT
1 stop14h 09m
Frontier
Sat 5/166:00 am
ONT
- CVG
1 stop25h 44m
Frontier
Deal found 4/30![Frontier logo]()
$241
This CheapOair deal was found by Cheapflights users on 4/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/711:50 am
CVG
- ONT
1 stop25h 15m
Frontier
Sun 5/106:00 am
ONT
- CVG
1 stop26h 55m
Frontier
Deal found 4/29![Frontier logo]()
$261
This Expedia deal was found by Cheapflights users on 4/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/812:50 pm
CVG
- ONT
1 stop24h 15m
Frontier
Mon 5/116:00 am
ONT
- CVG
1 stop26h 55m
Frontier
Deal found 4/28![Frontier logo]()
$251
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/812:50 pm
CVG
- ONT
1 stop13h 59m
Frontier
Tue 5/196:00 am
ONT
- CVG
1 stop27h 00m
Frontier
Deal found 4/30![Frontier logo]()
$252
This CheapOair deal was found by Cheapflights users on 4/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:05 pm
CVG
- ONT
1 stop13h 44m
Frontier
Sat 5/166:00 am
ONT
- CVG
1 stop25h 44m
Frontier
Deal found 4/30![Frontier logo]()
$237
This Gotogate deal was found by Cheapflights users on 4/28. 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 5/148:40 pm
CVG
- ONT
1 stop14h 09m
Frontier
Mon 5/186:00 am
ONT
- CVG
1 stop26h 55m
Frontier
Deal found 4/28![Frontier logo]()
$226
This CheapOair deal was found by Cheapflights users on 4/28. 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 5/188:40 pm
CVG
- ONT
1 stop22h 04m
Frontier
Sun 5/246:00 am
ONT
- CVG
1 stop10h 31m
Frontier
Deal found 4/28![Frontier logo]()
$236
This Booking.com deal was found by Cheapflights users on 4/30. 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.
Sat 5/238:36 pm
CVG
- ONT
1 stop16h 29m
Frontier
Sat 5/308:43 am
ONT
- CVG
1 stop6h 34m
Frontier
Deal found 4/30![Frontier logo]()
$232
This Gotogate deal was found by Cheapflights users on 4/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/278:36 pm
CVG
- ONT
1 stop16h 29m
Frontier
Sun 5/313:30 pm
ONT
- CVG
1 stop25h 05m
Frontier
Deal found 4/30![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 4/28. 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.
Thu 5/288:36 pm
CVG
- ONT
1 stop16h 29m
Frontier
Wed 6/36:00 am
ONT
- CVG
1 stop10h 41m
Frontier
Deal found 4/28![Frontier logo]()
$231
This Expedia deal was found by Cheapflights users on 5/3. 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.
Fri 5/298:40 pm
CVG
- ONT
1 stop14h 24m
Frontier
Tue 6/166:00 am
ONT
- CVG
1 stop10h 10m
Frontier
Deal found 5/3![Frontier logo]()
$230
One-way flights from Cincinnati to OntarioSearch for one-way flight options from Cincinnati to Ontario. Find affordable one-way fares based on user searches. Data last updated May 3, 2026.
Search for one-way flight options from Cincinnati to Ontario. Find affordable one-way fares based on user searches. Data last updated May 3, 2026.
This Booking.com deal was found by Cheapflights users on 4/29. 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.
Sat 5/238:36 pm
CVG
- ONT
1 stop16h 29m
Frontier
Deal found 4/29![Frontier logo]()
$86
This Trip.com deal was found by Cheapflights users on 4/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:40 pm
CVG
- ONT
1 stop14h 24m
Frontier
Deal found 4/29![Frontier logo]()
$91
This Super.com deal was found by Cheapflights users on 4/28. 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.
Thu 5/148:40 pm
CVG
- ONT
1 stop14h 09m
Frontier
Deal found 4/28![Frontier logo]()
$104
This Super.com deal was found by Cheapflights users on 4/28. 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.
Fri 5/158:40 pm
CVG
- ONT
1 stop25h 52m
Frontier
Deal found 4/28![Frontier logo]()
$105
This CheapOair deal was found by Cheapflights users on 4/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/89:00 pm
CVG
- ONT
1 stop25h 53m
Frontier
Deal found 4/29![Frontier logo]()
$117
This Priceline deal was found by Cheapflights users on 4/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:36 pm
CVG
- ONT
1 stop6h 13m
Frontier
Deal found 4/30![Frontier logo]()
$119
This Super.com deal was found by Cheapflights users on 4/30. 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.
Thu 5/211:51 pm
CVG
- ONT
1 stop8h 20m
Frontier
Deal found 4/30![Frontier logo]()
$124
This CheapOair deal was found by Cheapflights users on 4/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/228:36 pm
CVG
- ONT
1 stop6h 13m
Frontier
Deal found 4/29![Frontier logo]()
$125
This Trip.com deal was found by Cheapflights users on 4/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/258:40 pm
CVG
- ONT
1 stop14h 24m
Frontier
Deal found 4/28![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/248:40 pm
CVG
- ONT
1 stop14h 24m
Frontier
Deal found 4/30![Frontier logo]()
$130
Find flight deals from Cincinnati to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Cincinnati (CVG) to Ontario (ONT). 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 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $210 (Frontier) |
One-way from | $86 (Booking.com) |
Popular in | March |
Cheapest in | August |
Average price | $407 |
Cheapflights Fare Finder
Customize your flight search to find flights from Cincinnati to Ontario 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 3, 2026.
Use the filters below to find and compare flights from Cincinnati to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
CincinnatiOntario
CVG - ONT
CVGONT
Cincinnati Cinci./N. Kentucky
Wed 7/1
5:34 am-10:40 am
1 stop8h 06m
Ontario
Sat 7/11
12:00 pm-9:59 pm
1 stop6h 59m
$442
CincinnatiOntario
CVG - ONT
CVGONT
Cincinnati Cinci./N. Kentucky
Wed 5/27
7:55 pm-11:34 pm
1 stop6h 39m
Ontario
Sun 5/31
10:00 pm-9:04 am
1 stop8h 04m
$442
Quickest round-trip
CincinnatiOntario
CVG - ONT
CVGONT
Cincinnati Cinci./N. Kentucky
Fri 9/18
7:55 pm-11:44 pm
1 stop6h 49m
Ontario
Mon 9/21
10:59 pm-8:52 am
1 stop6h 53m
$487
CincinnatiOntario
CVG - ONT
CVGONT
Cincinnati Cinci./N. Kentucky
Mon 7/13
7:00 am-3:05 pm
2 stops11h 05m
Ontario
Wed 7/29
9:45 am-9:50 pm
2 stops9h 05m
$513
CincinnatiOntario
CVG - ONT
CVGONT
Cincinnati Cinci./N. Kentucky
Fri 5/29
4:11 pm-9:48 pm
1 stop8h 37m
Ontario
Sun 5/31
10:00 pm-4:50 pm
2 stops15h 50m
$547
CincinnatiOntario
CVG - ONT
CVGONT
Cincinnati Cinci./N. Kentucky
Thu 5/28
6:00 am-3:09 pm
2 stops12h 09m
Ontario
Wed 6/3
6:00 am-6:08 pm
1 stop9h 08m
$580
CincinnatiOntario
CVG - ONT
CVGONT
Cincinnati Cinci./N. Kentucky
Mon 10/19
8:30 am-2:47 pm
1 stop9h 17m
Ontario
Fri 10/23
6:58 pm-10:27 am
2 stops12h 29m
$592
CincinnatiOntario
CVG - ONT
CVGONT
Cincinnati Cinci./N. Kentucky
Thu 10/8
8:30 am-2:47 pm
1 stop9h 17m
Ontario
Mon 10/12
6:58 pm-12:06 pm
2 stops14h 08m
$592
CincinnatiOntario
CVG - ONT
CVGONT
Cincinnati Cinci./N. Kentucky
Mon 10/5
8:30 am-2:47 pm
1 stop9h 17m
Ontario
Thu 10/8
6:58 pm-8:24 pm
1 stop22h 26m
$640
CincinnatiOntario
CVG - ONT
CVGONT
Cincinnati Cinci./N. Kentucky
Fri 5/22
4:12 pm-10:51 pm
1 stop9h 39m
Ontario
Sat 6/6
5:00 am-4:49 pm
2 stops8h 49m
$664
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Cincinnati to Ontario
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 Cincinnati to Ontario 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 Cincinnati-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cincinnati-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Cincinnati-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Cincinnati-Ontario 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 Cincinnati-Ontario 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 Cincinnati to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Cincinnati with our price prediction graph.
CVG-ONT
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 Cincinnati to Ontario
Prices
More
What is the cheapest month to book a flight from Cincinnati to Ontario?
Currently, August is the cheapest month in which you can book a flight from Cincinnati to Ontario (average of $320). Flying from Cincinnati to Ontario in June is currently the most expensive (average of $509). 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 Cincinnati to Ontario?
What’s the top layover airport for flights from Cincinnati to Ontario?
Share of 1-stop round-trip flights from Cincinnati to Ontario 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 Cincinnati to Ontario on Cheapflights.
What’s the cheapest layover airport for flights from Cincinnati to Ontario?
Average round-trip fare for 1-stop flights from Cincinnati to Ontario, 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 $318.
What’s the fastest layover option from Cincinnati to Ontario?
Shortest average travel time for 1-stop one-way flights from Cincinnati to Ontario, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 6h 25m.
Which airport typically offers the quickest layover for flights from Cincinnati to Ontario?
Average layover duration for 1-stop one-way flights from Cincinnati to Ontario, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 1h 13m.
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated May 3, 2026.
Read through reviews of airlines operating flights from Cincinnati to Ontario, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Cincinnati to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Cincinnati to Ontario
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Complete your trip
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Search flights from Cincinnati to Ontario by cabin class
Find flights from Cincinnati to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 3, 2026.
Cincinnati and Ontario flights
Browse other Cincinnati and Ontario flight options. Last updated on May 3, 2026.
Other flights from Cincinnati
Browse through other flights departing from Cincinnati. Flights are based on user searches made on Cheapflights and were last updated on May 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Cincinnati to Ontario
Discover the top 5 airlines that operate flights from Cincinnati to Ontario. 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 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$157 | Average$290 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$215 | Average$426 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$312 | Average$397 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$316 | Average$441 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$318 | Average$500 | FlexibilityNo cancel fee | On-time63% |