$109+ 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
CLE — ONT
Jun 14 — Jun 211
Round-trip
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 May 15, 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 May 15, 2026.
This Frontier deal was found by Cheapflights users on 5/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:59 am
CLE
- ONT
1 stop9h 45m
Frontier
Wed 6/38:30 am
ONT
- CLE
1 stop8h 11m
Frontier
Deal found 5/11![Frontier logo]()
$210
This Booking.com deal was found by Cheapflights users on 5/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:22 pm
CLE
- ONT
1 stop26h 31m
Frontier
Tue 7/143:40 pm
ONT
- CLE
1 stop12h 50m
Frontier
Deal found 5/11![Frontier logo]()
$222
This Frontier deal was found by Cheapflights users on 5/12. 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.
Sat 7/118:25 am
CLE
- ONT
1 stop11h 05m
Frontier
Tue 7/143:40 pm
ONT
- CLE
1 stop12h 50m
Frontier
Deal found 5/12![Frontier logo]()
$224
This Expedia deal was found by Cheapflights users on 5/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/38:07 pm
CLE
- ONT
1 stop26h 25m
Frontier
Sun 6/146:00 am
ONT
- CLE
1 stop26h 03m
Frontier
Deal found 5/11![Frontier logo]()
$230
This Booking.com deal was found by Cheapflights users on 5/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/19:28 pm
CLE
- ONT
1 stop21h 16m
Frontier
Wed 6/31:39 pm
ONT
- CLE
1 stop14h 53m
Frontier
Deal found 5/11![Frontier logo]()
$236
This CheapOair deal was found by Cheapflights users on 5/12. 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 6/49:28 pm
CLE
- ONT
1 stop25h 04m
Frontier
Mon 6/86:00 am
ONT
- CLE
1 stop26h 03m
Frontier
Deal found 5/12![Frontier logo]()
$238
This Mytrip deal was found by Cheapflights users on 5/11. 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 5/268:07 pm
CLE
- ONT
1 stop14h 57m
Frontier
Wed 5/274:39 pm
ONT
- CLE
1 stop24h 54m
Frontier
Deal found 5/11![Frontier logo]()
$239
This Frontier deal was found by Cheapflights users on 5/12. 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 5/289:38 pm
CLE
- ONT
1 stop13h 26m
Frontier
Tue 6/28:30 am
ONT
- CLE
1 stop8h 11m
Frontier
Deal found 5/12![Frontier logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 9/229:59 pm
CLE
- ONT
1 stop18h 58m
Frontier
Sat 10/36:00 am
ONT
- CLE
1 stop11h 54m
Frontier
Deal found 5/14![Frontier logo]()
$241
This Booking.com deal was found by Cheapflights users on 5/12. 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.
Thu 8/1312:08 pm
CLE
- ONT
1 stop14h 42m
Frontier
Tue 8/181:27 pm
ONT
- CLE
1 stop14h 55m
Frontier
Deal found 5/12![Frontier logo]()
$242
This CheapOair deal was found by Cheapflights users on 5/12. 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.
Fri 6/59:28 pm
CLE
- ONT
1 stop25h 04m
Frontier
Mon 6/86:00 am
ONT
- CLE
1 stop26h 03m
Frontier
Deal found 5/12![Frontier logo]()
$244
This CheapOair deal was found by Cheapflights users on 5/12. 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.
Sat 7/118:25 am
CLE
- ONT
1 stop11h 05m
Frontier
Sat 7/1810:49 am
ONT
- CLE
1 stop21h 09m
Frontier
Deal found 5/12![Frontier logo]()
$248
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 May 15, 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 May 15, 2026.
This CheapOair deal was found by Cheapflights users on 5/10. 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.
Wed 6/38:59 am
CLE
- ONT
1 stop13h 33m
Frontier
Sun 6/146:00 am
ONT
- CLE
1 stop26h 03m
Frontier
Deal found 5/10![Frontier logo]()
$240
This Delta deal was found by Cheapflights users on 5/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/25:35 am
CLE
- ONT
1 stop8h 05m
Delta
Tue 7/145:10 pm
ONT
- CLE
2 stops13h 00m
Delta
Deal found 5/11![Delta logo]()
$413
This Alaska Airlines deal was found by Cheapflights users on 5/14. 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 9/245:55 pm
CLE
- ONT
1 stop8h 29m
Alaska Airlines
Mon 9/283:12 pm
ONT
- CLE
1 stop10h 59m
Alaska Airlines
Deal found 5/14![Alaska Airlines logo]()
$421
This Frontier deal was found by Cheapflights users on 5/10. 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.
Wed 6/38:59 am
CLE
- ONT
1 stop9h 45m
Frontier
Sun 6/73:30 pm
ONT
- CLE
1 stop13h 02m
Frontier
Deal found 5/10![Frontier logo]()
$250
This United Airlines deal was found by Cheapflights users on 5/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:40 pm
CLE
- ONT
1 stop7h 57m
United Airlines
Wed 6/36:30 pm
ONT
- CLE
2 stops12h 11m
United Airlines
Deal found 5/12![United Airlines logo]()
$510
This Frontier deal was found by Cheapflights users on 5/10. 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.
Mon 8/179:00 am
CLE
- ONT
1 stop9h 07m
Frontier
Fri 8/213:34 pm
ONT
- CLE
1 stop12h 48m
Frontier
Deal found 5/10![Frontier logo]()
$250
This Delta deal was found by Cheapflights users on 5/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/142:42 pm
CLE
- ONT
1 stop10h 10m
Delta
Tue 8/186:00 am
ONT
- CLE
2 stops9h 31m
Delta
Deal found 5/12![Delta logo]()
$441
This Delta deal was found by Cheapflights users on 5/14. 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.
Mon 6/154:28 pm
CLE
- ONT
1 stop8h 20m
Delta
Fri 6/1910:00 pm
ONT
- CLE
1 stop9h 49m
Delta
Deal found 5/14![Delta logo]()
$449
This United Airlines deal was found by Cheapflights users on 5/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:05 pm
CLE
- ONT
1 stop7h 46m
United Airlines
Mon 8/319:01 am
ONT
- CLE
2 stops11h 58m
United Airlines
Deal found 5/12![United Airlines logo]()
$523
This Delta deal was found by Cheapflights users on 5/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:15 am
CLE
- ONT
2 stops13h 46m
Delta
Tue 9/2910:59 pm
ONT
- CLE
2 stops15h 14m
Delta
Deal found 5/15![Delta logo]()
$453
This Delta deal was found by Cheapflights users on 5/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:25 pm
CLE
- ONT
1 stop8h 31m
Delta
Tue 9/2910:59 pm
ONT
- CLE
2 stops15h 14m
Delta
Deal found 5/15![Delta logo]()
$465
This Delta deal was found by Cheapflights users on 5/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/295:35 am
CLE
- ONT
1 stop8h 05m
Delta
Mon 6/2910:00 pm
ONT
- CLE
1 stop9h 49m
Delta
Deal found 5/13![Delta logo]()
$477
Last-minute flights from Cleveland to OntarioDiscover last-minute flight deals from Cleveland to Ontario. Data last updated May 15, 2026 and is based on user searches.
Discover last-minute flight deals from Cleveland to Ontario. Data last updated May 15, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 5/11. 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 5/268:07 pm
CLE
- ONT
1 stop14h 57m
Frontier
Wed 5/274:39 pm
ONT
- CLE
1 stop24h 54m
Frontier
Deal found 5/11![Frontier logo]()
$239
This Frontier deal was found by Cheapflights users on 5/12. 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 5/278:59 am
CLE
- ONT
1 stop9h 45m
Frontier
Fri 5/293:30 pm
ONT
- CLE
1 stop13h 02m
Frontier
Deal found 5/12![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 5/12. 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 5/289:38 pm
CLE
- ONT
1 stop13h 26m
Frontier
Tue 6/28:30 am
ONT
- CLE
1 stop8h 11m
Frontier
Deal found 5/12![Frontier logo]()
$240
This Booking.com deal was found by Cheapflights users on 5/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/19:28 pm
CLE
- ONT
1 stop21h 16m
Frontier
Wed 6/31:39 pm
ONT
- CLE
1 stop14h 53m
Frontier
Deal found 5/11![Frontier logo]()
$236
This Booking.com deal was found by Cheapflights users on 5/12. 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.
Mon 6/19:28 pm
CLE
- ONT
1 stop21h 16m
Frontier
Wed 6/103:34 pm
ONT
- CLE
1 stop12h 57m
Frontier
Deal found 5/12![Frontier logo]()
$252
This Frontier deal was found by Cheapflights users on 5/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:59 am
CLE
- ONT
1 stop9h 45m
Frontier
Wed 6/38:30 am
ONT
- CLE
1 stop8h 11m
Frontier
Deal found 5/11![Frontier logo]()
$210
This Expedia deal was found by Cheapflights users on 5/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/38:07 pm
CLE
- ONT
1 stop26h 25m
Frontier
Sun 6/146:00 am
ONT
- CLE
1 stop26h 03m
Frontier
Deal found 5/11![Frontier logo]()
$230
This CheapOair deal was found by Cheapflights users on 5/12. 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 6/49:28 pm
CLE
- ONT
1 stop25h 04m
Frontier
Mon 6/86:00 am
ONT
- CLE
1 stop26h 03m
Frontier
Deal found 5/12![Frontier logo]()
$238
This CheapOair deal was found by Cheapflights users on 5/12. 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.
Fri 6/59:28 pm
CLE
- ONT
1 stop25h 04m
Frontier
Mon 6/86:00 am
ONT
- CLE
1 stop26h 03m
Frontier
Deal found 5/12![Frontier logo]()
$244
This Frontier deal was found by Cheapflights users on 5/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/68:59 am
CLE
- ONT
1 stop9h 10m
Frontier
Wed 6/103:34 pm
ONT
- CLE
1 stop12h 57m
Frontier
Deal found 5/11![Frontier logo]()
$224
This Mytrip deal was found by Cheapflights users on 5/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/89:28 pm
CLE
- ONT
1 stop25h 23m
Frontier
Sun 6/146:00 am
ONT
- CLE
1 stop26h 03m
Frontier
Deal found 5/12![Frontier logo]()
$253
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 May 15, 2026.
Search for one-way flight options from Cleveland to Ontario. Find affordable one-way fares based on user searches. Data last updated May 15, 2026.
This Super.com deal was found by Cheapflights users on 5/11. 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.
Tue 6/97:45 am
CLE
- ONT
1 stop13h 03m
Frontier
Deal found 5/11![Frontier logo]()
$109
This Super.com deal was found by Cheapflights users on 5/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:07 pm
CLE
- ONT
1 stop22h 37m
Frontier
Deal found 5/12![Frontier logo]()
$116
This Frontier deal was found by Cheapflights users on 5/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/159:00 am
CLE
- ONT
1 stop9h 07m
Frontier
Deal found 5/11![Frontier logo]()
$119
This Frontier deal was found by Cheapflights users on 5/12. 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 5/278:59 am
CLE
- ONT
1 stop9h 45m
Frontier
Deal found 5/12![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 5/12. 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.
Mon 6/87:24 pm
CLE
- ONT
2 stops41h 41m
Frontier
Deal found 5/12![Frontier logo]()
$122
This Super.com deal was found by Cheapflights users on 5/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:28 pm
CLE
- ONT
1 stop20h 41m
Frontier
Deal found 5/12![Frontier logo]()
$124
This Super.com deal was found by Cheapflights users on 5/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:59 am
CLE
- ONT
1 stop9h 10m
Frontier
Deal found 5/12![Frontier logo]()
$129
This Gotogate deal was found by Cheapflights users on 5/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/112:08 pm
CLE
- ONT
1 stop24h 57m
Frontier
Deal found 5/11![Frontier logo]()
$130
This Frontier deal was found by Cheapflights users on 5/12. 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.
Fri 6/128:25 am
CLE
- ONT
1 stop11h 23m
Frontier
Deal found 5/12![Frontier logo]()
$131
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 May 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $210 (Frontier) |
One-way from | $109 (Super.com) |
Popular in | June |
Cheapest in | August |
Average price | $382 |
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 May 15, 2026.
Use the filters below to find and compare flights from Cleveland to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Wed 6/3
8:59 am-7:32 pm
1 stop13h 33m
Ontario
Sun 6/14
6:00 am-11:03 am
1 stop26h 03m
$240
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Wed 6/3
8:59 am-3:44 pm
1 stop9h 45m
Ontario
Sun 6/7
3:30 pm-7:32 am
1 stop13h 02m
$250
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Mon 8/17
9:00 am-3:07 pm
1 stop9h 07m
Ontario
Fri 8/21
3:34 pm-7:22 am
1 stop12h 48m
$250
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Thu 7/2
5:35 am-10:40 am
1 stop8h 05m
Ontario
Tue 7/14
5:10 pm-9:10 am
2 stops13h 00m
$413
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Thu 9/24
5:55 pm-11:24 pm
1 stop8h 29m
Ontario
Mon 9/28
3:12 pm-5:11 am
1 stop10h 59m
$421
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Fri 8/14
2:42 pm-9:52 pm
1 stop10h 10m
Ontario
Tue 8/18
6:00 am-6:31 pm
2 stops9h 31m
$441
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Mon 6/15
4:28 pm-9:48 pm
1 stop8h 20m
Ontario
Fri 6/19
10:00 pm-10:49 am
1 stop9h 49m
$449
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Thu 9/24
7:15 am-6:01 pm
2 stops13h 46m
Ontario
Tue 9/29
10:59 pm-5:13 pm
2 stops15h 14m
$453
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Fri 9/25
4:25 pm-9:56 pm
1 stop8h 31m
Ontario
Tue 9/29
10:59 pm-5:13 pm
2 stops15h 14m
$465
Quickest round-trip
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Mon 6/29
5:35 am-10:40 am
1 stop8h 05m
Ontario
Mon 6/29
10:00 pm-10:49 am
1 stop9h 49m
$477
Showing 1-10 of 22 resultsSorted by cheapest first
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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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
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 $260). Flying from Cleveland to Ontario in June is currently the most expensive (average of $486). 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 Cleveland to Ontario?
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated May 15, 2026.
See what other customers who have flown with Southwest,Delta, andUnited 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.
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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 May 15, 2026.
Cleveland and Ontario flights
Browse other Cleveland and Ontario flight options. Last updated on May 15, 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 May 15, 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 May 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$167 | Average$283 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$279 | Average$476 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$286 | Average$466 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$296 | Average$446 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$361 | Average$455 | FlexibilityNo cancel fee | On-time69% |