$60+ Cheap flights from Cleveland to Ontario (CLE - 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
CLE — ONT
Mar 16 — Mar 231
1 adult, Economy
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Find cheap flights from Cleveland 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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Cleveland to Ontario
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Cheapest flights from Cleveland to OntarioExplore the most affordable flight options available from Cleveland to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 14, 2026.
Explore the most affordable flight options available from Cleveland to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 5/95:21 pm
CLE
- ONT
1 stop9h 34m
Frontier
Thu 5/1412:59 am
ONT
- CLE
1 stop20h 58m
Frontier
Deal found 2/11![Frontier logo]()
$186
This Mytrip deal was found by Cheapflights users on 2/10. 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 2/269:59 pm
CLE
- ONT
1 stop18h 27m
Frontier
Mon 3/26:43 pm
ONT
- CLE
1 stop8h 24m
Frontier
Deal found 2/10![Frontier logo]()
$200
This Booking.com deal was found by Cheapflights users on 2/13. 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.
Fri 2/279:59 pm
CLE
- ONT
1 stop18h 12m
Frontier
Mon 3/23:28 pm
ONT
- CLE
1 stop20h 40m
Frontier
Deal found 2/13![Frontier logo]()
$202
This Mytrip deal was found by Cheapflights users on 2/11. 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 2/247:20 am
CLE
- ONT
1 stop9h 32m
Frontier
Sat 2/286:00 am
ONT
- CLE
1 stop11h 55m
Frontier
Deal found 2/11![Frontier logo]()
$206
This Super.com deal was found by Cheapflights users on 2/10. 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 2/269:59 pm
CLE
- ONT
1 stop18h 27m
Frontier
Fri 2/279:43 pm
ONT
- CLE
1 stop12h 47m
Frontier
Deal found 2/10![Frontier logo]()
$208
This Frontier deal was found by Cheapflights users on 2/10. 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 3/510:00 pm
CLE
- ONT
1 stop13h 06m
Frontier
Wed 3/1110:03 pm
ONT
- CLE
1 stop6h 03m
Frontier
Deal found 2/10![Frontier logo]()
$209
This CheapOair deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/162:24 pm
CLE
- ONT
1 stop12h 00m
Frontier
Thu 4/2312:59 am
ONT
- CLE
1 stop20h 58m
Frontier
Deal found 2/13![Frontier logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 3/178:48 pm
CLE
- ONT
1 stop30h 11m
Frontier
Tue 3/242:23 pm
ONT
- CLE
2 stops18h 43m
Frontier
Deal found 2/12![Frontier logo]()
$216
This CheapOair deal was found by Cheapflights users on 2/11. 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 3/210:00 pm
CLE
- ONT
1 stop18h 11m
Frontier
Thu 3/53:24 pm
ONT
- CLE
1 stop11h 43m
Frontier
Deal found 2/11![Frontier logo]()
$220
This Frontier deal was found by Cheapflights users on 2/13. 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 2/231:20 pm
CLE
- ONT
1 stop13h 39m
Frontier
Fri 2/274:46 pm
ONT
- CLE
1 stop10h 21m
Frontier
Deal found 2/13![Frontier logo]()
$221
This CheapOair deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/68:50 pm
CLE
- ONT
1 stop20h 36m
Frontier
Mon 4/1311:10 am
ONT
- CLE
1 stop16h 56m
Frontier
Deal found 2/12![Frontier logo]()
$225
Best flights from Cleveland to OntarioDiscover carefully curated flight deals from Cleveland to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 14, 2026.
Discover carefully curated flight deals from Cleveland to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:21 pm
CLE
- ONT
1 stop9h 34m
Frontier
Tue 4/2812:59 am
ONT
- CLE
2 stops19h 15m
Frontier
Deal found 2/10![Frontier logo]()
$197
This Frontier deal was found by Cheapflights users on 2/12. 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 5/139:21 am
CLE
- ONT
1 stop12h 13m
Frontier
Wed 5/207:29 pm
ONT
- CLE
1 stop8h 37m
Frontier
Deal found 2/12![Frontier logo]()
$200
This CheapOair deal was found by Cheapflights users on 2/13. 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 3/118:50 pm
CLE
- ONT
1 stop19h 21m
Frontier
Wed 3/256:15 am
ONT
- CLE
1 stop25h 54m
Frontier
Deal found 2/13![Frontier logo]()
$211
This CheapOair deal was found by Cheapflights users on 2/12. 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.
Sun 3/19:59 pm
CLE
- ONT
1 stop22h 49m
Frontier
Tue 3/32:06 pm
ONT
- CLE
1 stop13h 01m
Frontier
Deal found 2/12![Frontier logo]()
$211
This CheapOair deal was found by Cheapflights users on 2/12. 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 2/269:59 pm
CLE
- ONT
1 stop18h 27m
Frontier
Sat 2/282:06 pm
ONT
- CLE
1 stop13h 01m
Frontier
Deal found 2/12![Frontier logo]()
$211
This CheapOair deal was found by Cheapflights users on 2/10. 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 3/210:00 pm
CLE
- ONT
1 stop18h 11m
Frontier
Thu 3/53:24 pm
ONT
- CLE
1 stop11h 43m
Frontier
Deal found 2/10![Frontier logo]()
$220
This Frontier deal was found by Cheapflights users on 2/9. 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 2/231:20 pm
CLE
- ONT
1 stop13h 39m
Frontier
Wed 2/257:17 pm
ONT
- CLE
1 stop7h 50m
Frontier
Deal found 2/9![Frontier logo]()
$221
This Frontier deal was found by Cheapflights users on 2/13. 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 2/231:20 pm
CLE
- ONT
1 stop13h 39m
Frontier
Fri 2/274:46 pm
ONT
- CLE
1 stop10h 21m
Frontier
Deal found 2/13![Frontier logo]()
$221
This Booking.com deal was found by Cheapflights users on 2/13. 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.
Fri 2/208:52 pm
CLE
- ONT
1 stop13h 34m
Frontier
Sun 2/226:10 am
ONT
- CLE
1 stop11h 45m
Frontier
Deal found 2/13![Frontier logo]()
$244
This CheapOair deal was found by Cheapflights users on 2/13. 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 2/211:20 pm
CLE
- ONT
1 stop21h 39m
Frontier
Tue 2/243:22 pm
ONT
- CLE
1 stop20h 46m
Frontier
Deal found 2/13![Frontier logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 2/281:20 pm
CLE
- ONT
2 stops26h 53m
Frontier
Wed 3/42:06 pm
ONT
- CLE
1 stop13h 01m
Frontier
Deal found 2/13![Frontier logo]()
$253
This Frontier deal was found by Cheapflights users on 2/9. 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 4/205:21 pm
CLE
- ONT
1 stop9h 34m
Frontier
Fri 4/248:59 pm
ONT
- CLE
1 stop7h 07m
Frontier
Deal found 2/9![Frontier logo]()
$266
Last-minute flights from Cleveland to OntarioDiscover last-minute flight deals from Cleveland to Ontario. Data last updated February 14, 2026 and is based on user searches.
Discover last-minute flight deals from Cleveland to Ontario. Data last updated February 14, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 2/13. 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 2/231:20 pm
CLE
- ONT
1 stop13h 39m
Frontier
Fri 2/274:46 pm
ONT
- CLE
1 stop10h 21m
Frontier
Deal found 2/13![Frontier logo]()
$221
This Mytrip deal was found by Cheapflights users on 2/11. 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 2/247:20 am
CLE
- ONT
1 stop9h 32m
Frontier
Sat 2/286:00 am
ONT
- CLE
1 stop11h 55m
Frontier
Deal found 2/11![Frontier logo]()
$206
This Mytrip deal was found by Cheapflights users on 2/10. 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 2/269:59 pm
CLE
- ONT
1 stop18h 27m
Frontier
Mon 3/26:43 pm
ONT
- CLE
1 stop8h 24m
Frontier
Deal found 2/10![Frontier logo]()
$200
This Super.com deal was found by Cheapflights users on 2/10. 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 2/269:59 pm
CLE
- ONT
1 stop18h 27m
Frontier
Fri 2/279:43 pm
ONT
- CLE
1 stop12h 47m
Frontier
Deal found 2/10![Frontier logo]()
$208
This CheapOair deal was found by Cheapflights users on 2/11. 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 2/269:59 pm
CLE
- ONT
1 stop18h 27m
Frontier
Sat 2/282:06 pm
ONT
- CLE
1 stop13h 01m
Frontier
Deal found 2/11![Frontier logo]()
$211
This Booking.com deal was found by Cheapflights users on 2/13. 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.
Fri 2/279:59 pm
CLE
- ONT
1 stop18h 12m
Frontier
Mon 3/23:28 pm
ONT
- CLE
1 stop20h 40m
Frontier
Deal found 2/13![Frontier logo]()
$202
This Expedia deal was found by Cheapflights users on 2/10. 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.
Sun 3/19:59 pm
CLE
- ONT
1 stop18h 12m
Frontier
Tue 3/32:06 pm
ONT
- CLE
1 stop22h 02m
Frontier
Deal found 2/10![Frontier logo]()
$174
This CheapOair deal was found by Cheapflights users on 2/11. 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 3/210:00 pm
CLE
- ONT
1 stop18h 11m
Frontier
Thu 3/53:24 pm
ONT
- CLE
1 stop11h 43m
Frontier
Deal found 2/11![Frontier logo]()
$220
This Frontier deal was found by Cheapflights users on 2/10. 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 3/510:00 pm
CLE
- ONT
1 stop13h 06m
Frontier
Wed 3/1110:03 pm
ONT
- CLE
1 stop6h 03m
Frontier
Deal found 2/10![Frontier logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 3/178:48 pm
CLE
- ONT
1 stop30h 11m
Frontier
Tue 3/242:23 pm
ONT
- CLE
2 stops18h 43m
Frontier
Deal found 2/12![Frontier logo]()
$216
This Booking.com deal was found by Cheapflights users on 2/12. 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 3/288:50 pm
CLE
- ONT
1 stop13h 22m
Frontier
Tue 3/312:23 pm
ONT
- CLE
1 stop13h 43m
Frontier
Deal found 2/12![Frontier logo]()
$227
One-way flights from Cleveland to OntarioSearch for one-way flight options from Cleveland to Ontario. Find affordable one-way fares based on user searches. Data last updated February 14, 2026.
Search for one-way flight options from Cleveland to Ontario. Find affordable one-way fares based on user searches. Data last updated February 14, 2026.
This Trip.com deal was found by Cheapflights users on 2/10. 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.
Sat 5/165:21 pm
CLE
- ONT
1 stop9h 34m
Frontier
Deal found 2/10![Frontier logo]()
$60
This Trip.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1912:00 pm
CLE
- ONT
1 stop14h 55m
Frontier
Deal found 2/10![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 3/19:59 pm
CLE
- ONT
1 stop18h 12m
Frontier
Deal found 2/11![Frontier logo]()
$94
This CheapOair deal was found by Cheapflights users on 2/10. 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 4/78:10 pm
CLE
- ONT
1 stop6h 46m
Frontier
Deal found 2/10![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 4/128:50 pm
CLE
- ONT
1 stop14h 14m
Frontier
Deal found 2/11![Frontier logo]()
$101
This Super.com deal was found by Cheapflights users on 2/11. 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 2/279:59 pm
CLE
- ONT
1 stop18h 12m
Frontier
Deal found 2/11![Frontier logo]()
$104
This CheapOair deal was found by Cheapflights users on 2/11. 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 3/118:50 pm
CLE
- ONT
1 stop19h 21m
Frontier
Deal found 2/11![Frontier logo]()
$106
This WAYA deal was found by Cheapflights users on 2/11. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:20 am
CLE
- ONT
1 stop9h 32m
Frontier
Deal found 2/11![Frontier logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 3/38:46 pm
CLE
- ONT
2 stops27h 48m
Frontier
Deal found 2/10![Frontier logo]()
$112
This Frontier deal was found by Cheapflights users on 2/12. 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 3/510:00 pm
CLE
- ONT
1 stop13h 06m
Frontier
Deal found 2/12![Frontier logo]()
$115
This Super.com deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:20 am
CLE
- ONT
1 stop9h 32m
Frontier
Deal found 2/13![Frontier logo]()
$120
Find flight deals from Cleveland to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Cleveland (CLE) 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 February 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $186 (Kiwi.com) |
One-way from | $60 (Trip.com) |
Popular in | October |
Cheapest in | August |
Average price | $385 |
Cheapflights Fare Finder
Customize your flight search to find flights from Cleveland 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 February 14, 2026.
Use the filters below to find and compare flights from Cleveland to Ontario that are best for you.
Fly from
Cleveland
Fly to
Ontario
Route
Depart
Return
Price
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Sat 4/25
5:21 pm-11:55 pm
1 stop9h 34m
Ontario
Tue 4/28
12:59 am-11:14 pm
2 stops19h 15m
$197
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Wed 5/13
9:21 am-6:34 pm
1 stop12h 13m
Ontario
Wed 5/20
7:29 pm-7:06 am
1 stop8h 37m
$200
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Wed 3/11
8:50 pm-1:11 pm
1 stop19h 21m
Ontario
Wed 3/25
6:15 am-11:09 am
1 stop25h 54m
$211
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Sun 3/1
9:59 pm-5:48 pm
1 stop22h 49m
Ontario
Tue 3/3
2:06 pm-6:07 am
1 stop13h 01m
$211
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Thu 2/26
9:59 pm-1:26 pm
1 stop18h 27m
Ontario
Sat 2/28
2:06 pm-6:07 am
1 stop13h 01m
$211
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Mon 3/2
10:00 pm-1:11 pm
1 stop18h 11m
Ontario
Thu 3/5
3:24 pm-6:07 am
1 stop11h 43m
$220
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Mon 2/23
1:20 pm-11:59 pm
1 stop13h 39m
Ontario
Wed 2/25
7:17 pm-6:07 am
1 stop7h 50m
$221
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Mon 2/23
1:20 pm-11:59 pm
1 stop13h 39m
Ontario
Fri 2/27
4:46 pm-6:07 am
1 stop10h 21m
$221
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Fri 2/20
8:52 pm-7:26 am
1 stop13h 34m
Ontario
Sun 2/22
6:10 am-8:55 pm
1 stop11h 45m
$244
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Sat 2/21
1:20 pm-7:59 am
1 stop21h 39m
Ontario
Tue 2/24
3:22 pm-3:08 pm
1 stop20h 46m
$253
Showing 1-10 of 22 results
Compare providers for flights from Cleveland 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 Cleveland to Ontario in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Cleveland-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cleveland-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Cleveland-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Cleveland-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 Cleveland-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 Cleveland to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Cleveland with our price prediction graph.
CLE-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 Cleveland to Ontario
How far ahead should I book a flight from Cleveland to Ontario?
Use this chart to determine the optimal time to book a round-trip flight from Cleveland to Ontario. Price data was last updated on February 6, 2026.
The best time to book flights from Cleveland to Ontario is 32 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Cleveland to Ontario?
Currently, August is the cheapest month in which you can book a flight from Cleveland to Ontario (average of $104). Flying from Cleveland to Ontario in January is currently the most expensive (average of $162). 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.
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 February 14, 2026.
See what other customers who have flown with Southwest, Delta, and United Airlines from Cleveland to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Related info for your journey
Find useful and relevant information for your journey from Cleveland 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 Cleveland 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 Cleveland to Ontario by cabin class
Find flights from Cleveland 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 February 14, 2026.
Cleveland and Ontario flights
Browse other Cleveland and Ontario flight options. Last updated on February 14, 2026.
Other flights from Cleveland
Browse through other flights departing from Cleveland. Flights are based on user searches made on Cheapflights and were last updated on February 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Cleveland to Ontario
Discover the top 5 airlines that operate flights from Cleveland 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 February 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$167 | Average$273 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$279 | Average$459 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$285 | Average$391 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$296 | Average$409 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$324 | Average$439 | FlexibilityNo cancel fee | On-time69% |