$123+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
CVG — ONT
Jul 21 — Jul 281
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
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from 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 June 21, 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 June 21, 2026.
This Frontier deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:34 pm
CVG
- ONT
1 stop6h 16m
Frontier
Wed 8/126:00 am
ONT
- CVG
1 stop10h 29m
Frontier
Deal found 6/18![Frontier logo]()
$258
This Frontier deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:34 pm
CVG
- ONT
1 stop6h 16m
Frontier
Sat 8/226:00 am
ONT
- CVG
1 stop10h 31m
Frontier
Deal found 6/16![Frontier logo]()
$261
This Frontier deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:34 pm
CVG
- ONT
1 stop6h 16m
Frontier
Mon 8/178:17 am
ONT
- CVG
1 stop7h 05m
Frontier
Deal found 6/18![Frontier logo]()
$264
This Gotogate deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/69:30 pm
CVG
- ONT
1 stop13h 33m
Frontier
Sat 8/156:00 am
ONT
- CVG
1 stop10h 29m
Frontier
Deal found 6/16![Frontier logo]()
$265
This Booking.com deal was found by Cheapflights users on 6/20. 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 8/138:34 pm
CVG
- ONT
1 stop6h 16m
Frontier
Mon 8/178:17 am
ONT
- CVG
1 stop7h 05m
Frontier
Deal found 6/20![Frontier logo]()
$266
This Mytrip deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:40 pm
CVG
- ONT
1 stop26h 08m
Frontier
Tue 8/256:00 am
ONT
- CVG
1 stop10h 31m
Frontier
Deal found 6/17![Frontier logo]()
$268
This CheapOair deal was found by Cheapflights users on 6/20. 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 9/912:25 pm
CVG
- ONT
1 stop14h 30m
Frontier
Mon 9/142:55 pm
ONT
- CVG
1 stop17h 25m
Frontier
Deal found 6/20![Frontier logo]()
$271
This Frontier deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:34 pm
CVG
- ONT
1 stop6h 16m
Frontier
Wed 8/266:00 am
ONT
- CVG
1 stop10h 31m
Frontier
Deal found 6/16![Frontier logo]()
$274
This Frontier deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:34 pm
CVG
- ONT
1 stop6h 16m
Frontier
Thu 8/206:00 am
ONT
- CVG
1 stop10h 31m
Frontier
Deal found 6/16![Frontier logo]()
$277
This CheapOair deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:30 pm
CVG
- ONT
1 stop20h 27m
Frontier
Tue 9/156:00 am
ONT
- CVG
1 stop26h 20m
Frontier
Deal found 6/18![Frontier logo]()
$284
This Expedia deal was found by Cheapflights users on 6/20. 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 7/188:26 pm
CVG
- ONT
1 stop16h 38m
Frontier
Sat 7/256:00 am
ONT
- CVG
1 stop10h 31m
Frontier
Deal found 6/20![Frontier logo]()
$288
This Frontier deal was found by Cheapflights users on 6/20. 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 10/136:05 am
CVG
- ONT
1 stop7h 38m
Frontier
Tue 11/36:15 am
ONT
- CVG
1 stop11h 14m
Frontier
Deal found 6/20![Frontier logo]()
$290
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 June 21, 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 June 21, 2026.
This CheapOair deal was found by Cheapflights users on 6/20. 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 9/912:25 pm
CVG
- ONT
1 stop14h 30m
Frontier
Mon 9/142:55 pm
ONT
- CVG
1 stop17h 25m
Frontier
Deal found 6/20![Frontier logo]()
$271
This Southwest deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:00 am
CVG
- ONT
2 stops8h 30m
Southwest
Sun 9/2711:55 pm
ONT
- CVG
2 stops10h 40m
Southwest
Deal found 6/16![Southwest logo]()
$452
This United Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:29 pm
CVG
- ONT
2 stops10h 32m
United Airlines
Wed 8/121:18 pm
ONT
- CVG
1 stop6h 12m
United Airlines
Deal found 6/18![United Airlines logo]()
$482
This KAYAK deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:00 am
CVG
- ONT
1 stop6h 29m
American Airlines
Thu 7/2310:10 pm
ONT
- CVG
1 stop7h 22m
American Airlines
Deal found 6/18![American Airlines logo]()
$493
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:59 pm
CVG
- ONT
1 stop6h 49m
Delta
Mon 7/2010:00 pm
ONT
- CVG
1 stop7h 56m
Delta
Deal found 6/18![Delta logo]()
$523
This United Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1111:17 am
CVG
- ONT
2 stops11h 44m
United Airlines
Tue 8/255:00 am
ONT
- CVG
1 stop6h 23m
United Airlines
Deal found 6/16![United Airlines logo]()
$482
This Southwest deal was found by Cheapflights users on 6/20. 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.
Fri 9/48:10 am
CVG
- ONT
2 stops8h 50m
Southwest
Mon 9/75:15 am
ONT
- CVG
2 stops10h 05m
Southwest
Deal found 6/20![Southwest logo]()
$497
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:00 am
CVG
- ONT
1 stop7h 38m
Delta
Thu 8/610:00 pm
ONT
- CVG
1 stop7h 56m
Delta
Deal found 6/19![Delta logo]()
$527
This United Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:29 pm
CVG
- ONT
2 stops11h 24m
United Airlines
Wed 8/261:18 pm
ONT
- CVG
1 stop6h 12m
United Airlines
Deal found 6/20![United Airlines logo]()
$482
This United Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:29 pm
CVG
- ONT
2 stops10h 32m
United Airlines
Tue 9/19:01 am
ONT
- CVG
2 stops11h 52m
United Airlines
Deal found 6/17![United Airlines logo]()
$500
This United Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:00 am
CVG
- ONT
1 stop7h 50m
United Airlines
Mon 8/317:13 pm
ONT
- CVG
2 stops13h 13m
United Airlines
Deal found 6/17![United Airlines logo]()
$508
Last-minute flights from Cincinnati to OntarioDiscover last-minute flight deals from Cincinnati to Ontario. Data last updated June 21, 2026 and is based on user searches.
Discover last-minute flight deals from Cincinnati to Ontario. Data last updated June 21, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/129:30 pm
CVG
- ONT
1 stop21h 24m
Frontier
Wed 7/153:40 pm
ONT
- CVG
1 stop25h 45m
Frontier
Deal found 6/16![Frontier logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1512:53 pm
CVG
- ONT
2 stops21h 39m
Multiple Airlines
Wed 7/223:40 pm
ONT
- CVG
1 stop21h 12m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$309
This Expedia deal was found by Cheapflights users on 6/20. 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 7/188:26 pm
CVG
- ONT
1 stop16h 38m
Frontier
Sat 7/256:00 am
ONT
- CVG
1 stop10h 31m
Frontier
Deal found 6/20![Frontier logo]()
$288
This Expedia deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/218:36 pm
CVG
- ONT
1 stop16h 28m
Frontier
Wed 7/291:38 pm
ONT
- CVG
1 stop27h 47m
Frontier
Deal found 6/16![Frontier logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2112:18 pm
CVG
- ONT
2 stops22h 14m
Multiple Airlines
Wed 7/291:38 pm
ONT
- CVG
1 stop23h 14m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$301
This Frontier deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:36 pm
CVG
- ONT
1 stop6h 14m
Frontier
Fri 7/246:00 am
ONT
- CVG
1 stop10h 31m
Frontier
Deal found 6/19![Frontier logo]()
$293
This Frontier deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:36 pm
CVG
- ONT
1 stop6h 14m
Frontier
Tue 7/286:00 am
ONT
- CVG
1 stop10h 31m
Frontier
Deal found 6/17![Frontier logo]()
$312
This Frontier deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:36 pm
CVG
- ONT
1 stop6h 14m
Frontier
Thu 7/306:00 am
ONT
- CVG
1 stop10h 31m
Frontier
Deal found 6/19![Frontier logo]()
$313
This Expedia deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/238:36 pm
CVG
- ONT
1 stop6h 14m
Frontier
Wed 7/293:40 pm
ONT
- CVG
1 stop25h 45m
Frontier
Deal found 6/15![Frontier logo]()
$319
This Booking.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:36 pm
CVG
- ONT
1 stop16h 28m
Frontier
Sun 8/23:40 pm
ONT
- CVG
1 stop25h 45m
Frontier
Deal found 6/16![Frontier logo]()
$295
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 June 21, 2026.
Search for one-way flight options from Cincinnati to Ontario. Find affordable one-way fares based on user searches. Data last updated June 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/209:30 pm
CVG
- ONT
1 stop13h 33m
Frontier
Deal found 6/16![Frontier logo]()
$123
This Super.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:34 pm
CVG
- ONT
1 stop6h 16m
Frontier
Deal found 6/16![Frontier logo]()
$129
This Mytrip deal was found by Cheapflights users on 6/20. 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.
Thu 8/69:30 pm
CVG
- ONT
1 stop21h 24m
Frontier
Deal found 6/20![Frontier logo]()
$138
This CheapOair deal was found by Cheapflights users on 6/19. 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 9/3012:25 pm
CVG
- ONT
1 stop25h 18m
Frontier
Deal found 6/19![Frontier logo]()
$140
This Trip.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/169:30 pm
CVG
- ONT
1 stop13h 33m
Frontier
Deal found 6/18![Frontier logo]()
$141
This CheapOair deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:25 pm
CVG
- ONT
1 stop14h 30m
Frontier
Deal found 6/17![Frontier logo]()
$143
This Frontier deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/148:36 pm
CVG
- ONT
1 stop6h 14m
Frontier
Deal found 6/17![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 7/288:36 pm
CVG
- ONT
1 stop16h 28m
Frontier
Deal found 6/19![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1312:53 pm
CVG
- ONT
2 stops48h 11m
Frontier
Deal found 6/18![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2712:53 pm
CVG
- ONT
2 stops48h 11m
Frontier
Deal found 6/16![Frontier logo]()
$165
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 June 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $258 (Frontier) |
One-way from | $123 (Kiwi.com) |
Popular in | June |
Cheapest in | August |
Average price | $516 |
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 June 21, 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 9/9
12:25 pm-11:55 pm
1 stop14h 30m
Ontario
Mon 9/14
2:55 pm-11:20 am
1 stop17h 25m
$271
CincinnatiOntario
CVG - ONT
CVGONT
Cincinnati Cinci./N. Kentucky
Tue 9/1
7:00 am-12:30 pm
2 stops8h 30m
Ontario
Sun 9/27
11:55 pm-1:35 pm
2 stops10h 40m
$452
CincinnatiOntario
CVG - ONT
CVGONT
Cincinnati Cinci./N. Kentucky
Tue 8/11
12:29 pm-8:01 pm
2 stops10h 32m
Ontario
Wed 8/12
1:18 pm-10:30 pm
1 stop6h 12m
$482
CincinnatiOntario
CVG - ONT
CVGONT
Cincinnati Cinci./N. Kentucky
Tue 8/11
11:17 am-8:01 pm
2 stops11h 44m
Ontario
Tue 8/25
5:00 am-2:23 pm
1 stop6h 23m
$482
CincinnatiOntario
CVG - ONT
CVGONT
Cincinnati Cinci./N. Kentucky
Tue 8/25
12:29 pm-8:53 pm
2 stops11h 24m
Ontario
Wed 8/26
1:18 pm-10:30 pm
1 stop6h 12m
$482
Quickest round-trip
CincinnatiOntario
CVG - ONT
CVGONT
Cincinnati Cinci./N. Kentucky
Tue 7/21
6:00 am-9:29 am
1 stop6h 29m
Ontario
Thu 7/23
10:10 pm-8:32 am
1 stop7h 22m
$493
CincinnatiOntario
CVG - ONT
CVGONT
Cincinnati Cinci./N. Kentucky
Fri 9/4
8:10 am-2:00 pm
2 stops8h 50m
Ontario
Mon 9/7
5:15 am-6:20 pm
2 stops10h 05m
$497
CincinnatiOntario
CVG - ONT
CVGONT
Cincinnati Cinci./N. Kentucky
Thu 8/27
12:29 pm-8:01 pm
2 stops10h 32m
Ontario
Tue 9/1
9:01 am-11:53 pm
2 stops11h 52m
$500
CincinnatiOntario
CVG - ONT
CVGONT
Cincinnati Cinci./N. Kentucky
Thu 8/27
8:00 am-12:50 pm
1 stop7h 50m
Ontario
Mon 8/31
7:13 pm-11:26 am
2 stops13h 13m
$508
CincinnatiOntario
CVG - ONT
CVGONT
Cincinnati Cinci./N. Kentucky
Fri 7/10
7:59 pm-11:48 pm
1 stop6h 49m
Ontario
Mon 7/20
10:00 pm-8:56 am
1 stop7h 56m
$523
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 June.
| 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 $318). Flying from Cincinnati to Ontario in June is currently the most expensive (average of $516). 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 67% 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 $294.
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: 10h 12m.
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 7h 53m.
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 June 21, 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.
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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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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 June 21, 2026.
Cincinnati and Ontario flights
Browse other Cincinnati and Ontario flight options. Last updated on June 21, 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 June 21, 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 June 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$157 | Average$290 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$246 | Average$477 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$316 | Average$412 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$318 | Average$500 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$337 | Average$418 | FlexibilityNo cancel fee | On-timeN/A |