$110+ 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
CVG — ONT
Sep 1 — Sep 81
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 August 2, 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 August 2, 2026.
This Frontier deal was found by Cheapflights users on 7/28. 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 9/125:16 pm
CVG
- ONT
1 stop9h 31m
Frontier
Sat 9/196:15 am
ONT
- CVG
1 stop6h 56m
Frontier
Deal found 7/28![Frontier logo]()
$245
This Frontier deal was found by Cheapflights users on 7/28. 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 8/298:30 pm
CVG
- ONT
1 stop6h 20m
Frontier
Wed 9/26:00 am
ONT
- CVG
1 stop10h 25m
Frontier
Deal found 7/28![Frontier logo]()
$246
This Booking.com deal was found by Cheapflights users on 7/30. 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.
Mon 9/218:45 am
CVG
- ONT
1 stop27h 24m
Frontier
Thu 9/248:24 pm
ONT
- CVG
1 stop7h 23m
Frontier
Deal found 7/30![Frontier logo]()
$252
This CheapOair deal was found by Cheapflights users on 7/29. 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 10/299:26 pm
CVG
- ONT
1 stop21h 44m
Frontier
Tue 11/36:15 am
ONT
- CVG
1 stop11h 14m
Frontier
Deal found 7/29![Frontier logo]()
$256
This Frontier deal was found by Cheapflights users on 7/29. 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.
Thu 8/208:30 pm
CVG
- ONT
1 stop6h 20m
Frontier
Mon 8/246:00 am
ONT
- CVG
1 stop10h 25m
Frontier
Deal found 7/29![Frontier logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1112:43 pm
CVG
- ONT
2 stops38h 04m
Frontier
Thu 9/247:46 pm
ONT
- CVG
1 stop11h 02m
Frontier
Deal found 7/28![Frontier logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:43 pm
CVG
- ONT
2 stops32h 05m
Frontier
Wed 9/166:15 am
ONT
- CVG
1 stop6h 56m
Frontier
Deal found 7/29![Frontier logo]()
$267
This CheapOair deal was found by Cheapflights users on 7/29. 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 10/229:34 pm
CVG
- ONT
1 stop29h 21m
Frontier
Mon 10/262:55 pm
ONT
- CVG
1 stop26h 34m
Frontier
Deal found 7/29![Frontier logo]()
$270
This Frontier deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:30 pm
CVG
- ONT
1 stop6h 20m
Frontier
Mon 8/318:17 am
ONT
- CVG
1 stop7h 05m
Frontier
Deal found 7/30![Frontier logo]()
$271
This Frontier deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:30 pm
CVG
- ONT
1 stop6h 20m
Frontier
Thu 8/2710:49 am
ONT
- CVG
1 stop5h 46m
Frontier
Deal found 7/31![Frontier logo]()
$274
This Frontier deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:16 pm
CVG
- ONT
1 stop9h 31m
Frontier
Mon 9/218:24 pm
ONT
- CVG
1 stop7h 23m
Frontier
Deal found 7/31![Frontier logo]()
$275
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 August 2, 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 August 2, 2026.
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/122:05 pm
CVG
- ONT
2 stops9h 48m
United Airlines
Wed 9/169:01 am
ONT
- CVG
2 stops10h 31m
United Airlines
Deal found 7/30![United Airlines logo]()
$395
This Frontier deal was found by Cheapflights users on 7/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:36 pm
CVG
- ONT
1 stop6h 14m
Frontier
Sat 8/86:00 am
ONT
- CVG
1 stop10h 29m
Frontier
Deal found 7/27![Frontier logo]()
$418
This Alaska Airlines deal was found by Cheapflights users on 8/1. 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 9/215:17 pm
CVG
- ONT
2 stops20h 59m
Alaska Airlines
Fri 9/2512:12 pm
ONT
- CVG
2 stops19h 19m
Alaska Airlines
Deal found 8/1![Alaska Airlines logo]()
$544
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:00 am
CVG
- ONT
1 stop7h 50m
United Airlines
Tue 9/15:00 am
ONT
- CVG
2 stops12h 35m
United Airlines
Deal found 7/30![United Airlines logo]()
$490
This Super.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:16 pm
CVG
- ONT
1 stop20h 14m
Frontier
Sun 10/48:24 pm
ONT
- CVG
1 stop7h 23m
Frontier
Deal found 7/27![Frontier logo]()
$522
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/213:25 pm
CVG
- ONT
1 stop8h 28m
United Airlines
Mon 8/315:00 am
ONT
- CVG
2 stops12h 43m
United Airlines
Deal found 7/30![United Airlines logo]()
$525
This Alaska Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:58 am
CVG
- ONT
2 stops14h 44m
Alaska Airlines
Fri 10/306:02 am
ONT
- CVG
2 stops14h 11m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$643
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/243:27 pm
CVG
- ONT
2 stops10h 24m
United Airlines
Sun 10/255:00 am
ONT
- CVG
1 stop6h 19m
United Airlines
Deal found 7/27![United Airlines logo]()
$546
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/223:27 pm
CVG
- ONT
1 stop8h 31m
United Airlines
Sat 10/316:00 am
ONT
- CVG
2 stops11h 47m
United Airlines
Deal found 7/31![United Airlines logo]()
$560
This Alaska Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:24 am
CVG
- ONT
2 stops14h 36m
Alaska Airlines
Sat 10/316:02 am
ONT
- CVG
2 stops14h 11m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$679
This Alaska Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:54 am
CVG
- ONT
2 stops12h 09m
Alaska Airlines
Sat 8/296:02 am
ONT
- CVG
1 stop8h 37m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$684
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/164:15 pm
CVG
- ONT
1 stop9h 20m
United Airlines
Thu 8/206:08 am
ONT
- CVG
2 stops13h 22m
United Airlines
Deal found 7/29![United Airlines logo]()
$730
Last-minute flights from Cincinnati to OntarioDiscover last-minute flight deals from Cincinnati to Ontario. Data last updated August 2, 2026 and is based on user searches.
Discover last-minute flight deals from Cincinnati to Ontario. Data last updated August 2, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/29. 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.
Thu 8/208:30 pm
CVG
- ONT
1 stop6h 20m
Frontier
Mon 8/246:00 am
ONT
- CVG
1 stop10h 25m
Frontier
Deal found 7/29![Frontier logo]()
$260
This Frontier deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:30 pm
CVG
- ONT
1 stop6h 20m
Frontier
Mon 8/318:17 am
ONT
- CVG
1 stop7h 05m
Frontier
Deal found 7/30![Frontier logo]()
$271
This Frontier deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:30 pm
CVG
- ONT
1 stop6h 20m
Frontier
Wed 8/266:00 am
ONT
- CVG
1 stop10h 25m
Frontier
Deal found 7/31![Frontier logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:30 pm
CVG
- ONT
1 stop6h 20m
Frontier
Sat 8/296:00 am
ONT
- CVG
2 stops26h 21m
Frontier
Deal found 7/28![Frontier logo]()
$276
This Frontier deal was found by Cheapflights users on 7/28. 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 8/298:30 pm
CVG
- ONT
1 stop6h 20m
Frontier
Wed 9/26:00 am
ONT
- CVG
1 stop10h 25m
Frontier
Deal found 7/28![Frontier logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:30 pm
CVG
- ONT
1 stop16h 34m
Frontier
Tue 9/17:56 pm
ONT
- CVG
1 stop20h 29m
Frontier
Deal found 7/29![Frontier logo]()
$286
This Frontier deal was found by Cheapflights users on 7/29. 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 8/308:30 pm
CVG
- ONT
1 stop6h 20m
Frontier
Wed 9/26:00 am
ONT
- CVG
1 stop10h 25m
Frontier
Deal found 7/29![Frontier logo]()
$292
This CheapOair deal was found by Cheapflights users on 8/1. 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.
Mon 8/318:30 pm
CVG
- ONT
1 stop6h 20m
Frontier
Mon 9/73:40 pm
ONT
- CVG
1 stop25h 35m
Frontier
Deal found 8/1![Frontier logo]()
$284
This Frontier deal was found by Cheapflights users on 8/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:30 pm
CVG
- ONT
1 stop6h 20m
Frontier
Sun 9/66:00 am
ONT
- CVG
1 stop10h 35m
Frontier
Deal found 8/1![Frontier logo]()
$307
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 August 2, 2026.
Search for one-way flight options from Cincinnati to Ontario. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1612:48 pm
CVG
- ONT
2 stops38h 07m
Frontier
Deal found 8/1![Frontier logo]()
$110
This Frontier deal was found by Cheapflights users on 7/28. 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.
Tue 8/188:30 pm
CVG
- ONT
1 stop6h 20m
Frontier
Deal found 7/28![Frontier logo]()
$123
This Frontier deal was found by Cheapflights users on 7/30. 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.
Mon 10/55:16 pm
CVG
- ONT
1 stop9h 31m
Frontier
Deal found 7/30![Frontier logo]()
$129
This CheapOair deal was found by Cheapflights users on 7/30. 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 10/299:26 pm
CVG
- ONT
1 stop15h 58m
Frontier
Deal found 7/30![Frontier logo]()
$134
This Frontier deal was found by Cheapflights users on 8/2. 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.
Tue 8/258:30 pm
CVG
- ONT
1 stop6h 20m
Frontier
Deal found 8/2![Frontier logo]()
$137
This CheapOair deal was found by Cheapflights users on 8/1. 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 10/311:09 am
CVG
- ONT
1 stop8h 37m
Frontier
Deal found 8/1![Frontier logo]()
$142
This Mytrip deal was found by Cheapflights users on 7/30. 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 8/218:30 pm
CVG
- ONT
1 stop6h 20m
Frontier
Deal found 7/30![Frontier logo]()
$148
This CheapOair deal was found by Cheapflights users on 7/30. 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.
Fri 11/139:28 pm
CVG
- ONT
1 stop19h 12m
Frontier
Deal found 7/30![Frontier logo]()
$159
This Frontier deal was found by Cheapflights users on 7/28. 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.
Mon 10/126:05 am
CVG
- ONT
1 stop7h 38m
Frontier
Deal found 7/28![Frontier logo]()
$163
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 August 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $245 (Frontier) |
One-way from | $110 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $381 |
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 August 2, 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
Sat 9/12
2:05 pm-8:53 pm
2 stops9h 48m
Ontario
Wed 9/16
9:01 am-10:32 pm
2 stops10h 31m
$395
Quickest round-trip
CincinnatiOntario
CVG - ONT
CVGONT
Cincinnati Cinci./N. Kentucky
Tue 8/4
8:36 pm-11:50 pm
1 stop6h 14m
Ontario
Sat 8/8
6:00 am-7:29 pm
1 stop10h 29m
$418
CincinnatiOntario
CVG - ONT
CVGONT
Cincinnati Cinci./N. Kentucky
Tue 8/25
8:00 am-12:50 pm
1 stop7h 50m
Ontario
Tue 9/1
5:00 am-8:35 pm
2 stops12h 35m
$490
CincinnatiOntario
CVG - ONT
CVGONT
Cincinnati Cinci./N. Kentucky
Thu 10/1
5:16 pm-10:30 am
1 stop20h 14m
Ontario
Sun 10/4
8:24 pm-6:47 am
1 stop7h 23m
$522
CincinnatiOntario
CVG - ONT
CVGONT
Cincinnati Cinci./N. Kentucky
Fri 8/21
3:25 pm-8:53 pm
1 stop8h 28m
Ontario
Mon 8/31
5:00 am-8:43 pm
2 stops12h 43m
$525
CincinnatiOntario
CVG - ONT
CVGONT
Cincinnati Cinci./N. Kentucky
Mon 9/21
5:17 pm-11:16 am
2 stops20h 59m
Ontario
Fri 9/25
12:12 pm-10:31 am
2 stops19h 19m
$544
CincinnatiOntario
CVG - ONT
CVGONT
Cincinnati Cinci./N. Kentucky
Sat 10/24
3:27 pm-10:51 pm
2 stops10h 24m
Ontario
Sun 10/25
5:00 am-2:19 pm
1 stop6h 19m
$546
CincinnatiOntario
CVG - ONT
CVGONT
Cincinnati Cinci./N. Kentucky
Thu 10/22
3:27 pm-8:58 pm
1 stop8h 31m
Ontario
Sat 10/31
6:00 am-8:47 pm
2 stops11h 47m
$560
CincinnatiOntario
CVG - ONT
CVGONT
Cincinnati Cinci./N. Kentucky
Thu 10/22
11:58 am-11:42 pm
2 stops14h 44m
Ontario
Fri 10/30
6:02 am-11:13 pm
2 stops14h 11m
$643
CincinnatiOntario
CVG - ONT
CVGONT
Cincinnati Cinci./N. Kentucky
Fri 10/23
6:24 am-6:00 pm
2 stops14h 36m
Ontario
Sat 10/31
6:02 am-11:13 pm
2 stops14h 11m
$679
Showing 1-10 of 23 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 August.
| 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
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What is the cheapest month to book a flight from Cincinnati to Ontario?
Currently, January is the cheapest month in which you can book a flight from Cincinnati to Ontario (average of $336). 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?
Airfare is below average for this route at the moment.
Cincinnati to Ontario flights typically cost between $293 and $476 in September.The cheapest round-trip price found within the last 5 days was $245 on Frontier (Sep 12-Sep 19).
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 $270.
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: 13h 59m.
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 14h 33m.
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 August 2, 2026.
Read through reviews of airlines operating flights from Cincinnati to Ontario, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
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
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
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 August 2, 2026.
Cincinnati and Ontario flights
Browse other Cincinnati and Ontario flight options. Last updated on August 2, 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 August 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Cincinnati to Ontario
Discover the top 4 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 August 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$157 | Average$316 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$316 | Average$412 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$318 | Average$490 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$337 | Average$418 | FlexibilityNo cancel fee | On-timeN/A |