$94+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
CLE — ONT
Jul 8 — Jul 151
Round-trip
1 adult, Economy
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Find cheap flights from Cleveland to Ontario with Cheapflights
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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 June 8, 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 June 8, 2026.
This Trip.com deal was found by Cheapflights users on 6/4. 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.
Thu 8/139:43 pm
CLE
- ONT
1 stop13h 20m
Frontier
Sun 8/1611:47 am
ONT
- CLE
1 stop16h 43m
Frontier
Deal found 6/4![Frontier logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/309:10 am
CLE
- ONT
1 stop8h 58m
Frontier
Mon 7/133:40 pm
ONT
- CLE
1 stop12h 50m
Frontier
Deal found 6/3![Frontier logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/218:22 pm
CLE
- ONT
1 stop14h 41m
Frontier
Tue 7/283:40 pm
ONT
- CLE
2 stops16h 18m
Frontier
Deal found 6/4![Frontier logo]()
$245
This Trip.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:55 pm
CLE
- ONT
1 stop24h 53m
Frontier
Tue 8/251:27 pm
ONT
- CLE
1 stop26h 36m
Frontier
Deal found 6/4![Frontier logo]()
$249
This Frontier deal was found by Cheapflights users on 6/4. 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 6/309:10 am
CLE
- ONT
1 stop8h 58m
Frontier
Tue 7/148:17 am
ONT
- CLE
1 stop12h 03m
Frontier
Deal found 6/4![Frontier logo]()
$256
This Booking.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/248:23 pm
CLE
- ONT
1 stop26h 28m
Frontier
Tue 6/301:33 pm
ONT
- CLE
1 stop14h 58m
Frontier
Deal found 6/3![Frontier logo]()
$258
This Booking.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 stop21h 52m
Frontier
Tue 7/143:40 pm
ONT
- CLE
1 stop24h 24m
Frontier
Deal found 6/3![Frontier logo]()
$259
This Booking.com deal was found by Cheapflights users on 6/5. 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 7/148:22 pm
CLE
- ONT
1 stop21h 52m
Frontier
Sat 7/186:00 am
ONT
- CLE
1 stop25h 58m
Frontier
Deal found 6/5![Frontier logo]()
$262
This Frontier deal was found by Cheapflights users on 6/7. 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 8/229:00 am
CLE
- ONT
1 stop9h 09m
Frontier
Wed 8/263:34 pm
ONT
- CLE
1 stop12h 48m
Frontier
Deal found 6/7![Frontier logo]()
$264
This Booking.com deal was found by Cheapflights users on 6/7. 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 7/218:22 pm
CLE
- ONT
1 stop14h 41m
Frontier
Wed 7/221:38 pm
ONT
- CLE
1 stop29h 16m
Frontier
Deal found 6/7![Frontier logo]()
$266
This Booking.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/158:22 pm
CLE
- ONT
1 stop14h 41m
Frontier
Wed 7/223:40 pm
ONT
- CLE
1 stop12h 50m
Frontier
Deal found 6/6![Frontier logo]()
$267
This Frontier deal was found by Cheapflights users on 6/4. 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 8/49:00 am
CLE
- ONT
1 stop9h 14m
Frontier
Mon 8/104:34 pm
ONT
- CLE
1 stop11h 56m
Frontier
Deal found 6/4![Frontier logo]()
$271
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 June 8, 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 June 8, 2026.
This Frontier deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/179:00 am
CLE
- ONT
1 stop9h 08m
Frontier
Sat 6/2011:58 am
ONT
- CLE
1 stop6h 41m
Frontier
Deal found 6/3![Frontier logo]()
$394
This Delta deal was found by Cheapflights users on 6/7. 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.
Sat 7/46:00 am
CLE
- ONT
1 stop7h 40m
Delta
Tue 7/1410:00 pm
ONT
- CLE
2 stops14h 17m
Delta
Deal found 6/7![Delta logo]()
$419
This Southwest deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:40 am
CLE
- ONT
2 stops9h 00m
Southwest
Tue 7/285:45 am
ONT
- CLE
2 stops9h 10m
Southwest
Deal found 6/4![Southwest logo]()
$437
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/37:28 am
CLE
- ONT
1 stop7h 42m
Delta
Sun 7/1210:00 pm
ONT
- CLE
2 stops15h 34m
Delta
Deal found 6/7![Delta logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 7/47:24 pm
CLE
- ONT
2 stops39h 39m
Frontier
Wed 7/153:40 pm
ONT
- CLE
1 stop12h 50m
Frontier
Deal found 6/6![Frontier logo]()
$436
This Southwest deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/45:30 am
CLE
- ONT
2 stops10h 15m
Southwest
Wed 7/155:45 am
ONT
- CLE
2 stops9h 10m
Southwest
Deal found 6/6![Southwest logo]()
$451
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/84:28 pm
CLE
- ONT
1 stop8h 22m
Delta
Sun 7/1211:48 am
ONT
- CLE
1 stop8h 42m
Delta
Deal found 6/7![Delta logo]()
$468
This Southwest deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/74:55 pm
CLE
- ONT
2 stops8h 10m
Southwest
Sun 8/910:10 am
ONT
- CLE
2 stops9h 50m
Southwest
Deal found 6/6![Southwest logo]()
$487
This Delta deal was found by Cheapflights users on 6/8. 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 7/305:35 am
CLE
- ONT
1 stop8h 03m
Delta
Sat 8/11:00 pm
ONT
- CLE
1 stop6h 58m
Delta
Deal found 6/8![Delta logo]()
$494
This Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/295:30 am
CLE
- ONT
2 stops8h 50m
Southwest
Fri 7/1012:50 pm
ONT
- CLE
2 stops7h 40m
Southwest
Deal found 6/3![Southwest logo]()
$517
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/84:28 pm
CLE
- ONT
1 stop8h 22m
Delta
Mon 7/1310:00 pm
ONT
- CLE
2 stops21h 41m
Delta
Deal found 6/7![Delta logo]()
$502
This Delta deal was found by Cheapflights users on 6/8. 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 7/305:35 am
CLE
- ONT
1 stop8h 03m
Delta
Thu 7/3010:00 pm
ONT
- CLE
1 stop8h 10m
Delta
Deal found 6/8![Delta logo]()
$507
Last-minute flights from Cleveland to OntarioDiscover last-minute flight deals from Cleveland to Ontario. Data last updated June 8, 2026 and is based on user searches.
Discover last-minute flight deals from Cleveland to Ontario. Data last updated June 8, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 6/4. 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 6/309:10 am
CLE
- ONT
1 stop8h 58m
Frontier
Tue 7/148:17 am
ONT
- CLE
1 stop12h 03m
Frontier
Deal found 6/4![Frontier logo]()
$256
This Frontier deal was found by Cheapflights users on 6/4. 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 7/48:25 am
CLE
- ONT
1 stop11h 23m
Frontier
Sat 7/1111:52 am
ONT
- CLE
1 stop7h 02m
Frontier
Deal found 6/4![Frontier logo]()
$264
This Frontier deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/59:43 pm
CLE
- ONT
1 stop13h 20m
Frontier
Wed 7/83:40 pm
ONT
- CLE
1 stop12h 50m
Frontier
Deal found 6/5![Frontier logo]()
$287
This Frontier deal was found by Cheapflights users on 6/8. 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 7/99:43 pm
CLE
- ONT
1 stop21h 11m
Frontier
Sat 7/186:00 am
ONT
- CLE
1 stop25h 58m
Frontier
Deal found 6/8![Frontier logo]()
$289
This Booking.com deal was found by Cheapflights users on 6/5. 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 7/148:22 pm
CLE
- ONT
1 stop21h 52m
Frontier
Sat 7/186:00 am
ONT
- CLE
1 stop25h 58m
Frontier
Deal found 6/5![Frontier logo]()
$262
This Booking.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/158:22 pm
CLE
- ONT
1 stop14h 41m
Frontier
Wed 7/223:40 pm
ONT
- CLE
1 stop12h 50m
Frontier
Deal found 6/6![Frontier logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/218:22 pm
CLE
- ONT
1 stop14h 41m
Frontier
Tue 7/283:40 pm
ONT
- CLE
2 stops16h 18m
Frontier
Deal found 6/4![Frontier logo]()
$245
This Booking.com deal was found by Cheapflights users on 6/8. 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 7/218:22 pm
CLE
- ONT
1 stop14h 41m
Frontier
Tue 8/46:00 am
ONT
- CLE
1 stop25h 58m
Frontier
Deal found 6/8![Frontier logo]()
$255
This Booking.com deal was found by Cheapflights users on 6/7. 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 7/218:22 pm
CLE
- ONT
1 stop14h 41m
Frontier
Wed 7/291:38 pm
ONT
- CLE
1 stop14h 52m
Frontier
Deal found 6/7![Frontier logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 7/319:43 pm
CLE
- ONT
1 stop20h 31m
Frontier
Mon 8/33:40 pm
ONT
- CLE
1 stop12h 50m
Frontier
Deal found 6/4![Frontier logo]()
$277
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 June 8, 2026.
Search for one-way flight options from Cleveland to Ontario. Find affordable one-way fares based on user searches. Data last updated June 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:23 pm
CLE
- ONT
1 stop21h 46m
Frontier
Deal found 6/3![Frontier logo]()
$94
This Trip.com deal was found by Cheapflights users on 6/4. 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 8/89:43 pm
CLE
- ONT
1 stop13h 20m
Frontier
Deal found 6/4![Frontier logo]()
$109
This Super.com deal was found by Cheapflights users on 6/5. 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 6/309:10 am
CLE
- ONT
1 stop8h 58m
Frontier
Deal found 6/5![Frontier logo]()
$125
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:50 am
CLE
- ONT
1 stop6h 25m
Southwest
Deal found 6/7![Southwest logo]()
$131
This Priceline deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/49:00 am
CLE
- ONT
1 stop9h 08m
Frontier
Deal found 6/4![Frontier logo]()
$132
This Booking.com deal was found by Cheapflights users on 6/8. 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 7/148:22 pm
CLE
- ONT
1 stop14h 41m
Frontier
Deal found 6/8![Frontier logo]()
$134
This Booking.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/158:22 pm
CLE
- ONT
1 stop22h 32m
Frontier
Deal found 6/8![Frontier logo]()
$138
This Trip.com deal was found by Cheapflights users on 6/4. 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.
Wed 8/59:00 am
CLE
- ONT
1 stop9h 14m
Frontier
Deal found 6/4![Frontier logo]()
$139
This Super.com deal was found by Cheapflights users on 6/4. 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 8/69:43 pm
CLE
- ONT
1 stop13h 20m
Frontier
Deal found 6/4![Frontier logo]()
$141
This CheapOair deal was found by Cheapflights users on 6/8. 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 10/279:59 pm
CLE
- ONT
1 stop18h 41m
Frontier
Deal found 6/8![Frontier logo]()
$143
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 June 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $218 (Trip.com) |
One-way from | $94 (Kiwi.com) |
Popular in | June |
Cheapest in | August |
Average price | $491 |
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 June 8, 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 6/17
9:00 am-3:08 pm
1 stop9h 08m
Ontario
Sat 6/20
11:58 am-9:39 pm
1 stop6h 41m
$394
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Sat 7/4
6:00 am-10:40 am
1 stop7h 40m
Ontario
Tue 7/14
10:00 pm-3:17 pm
2 stops14h 17m
$419
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Fri 7/3
7:28 am-12:10 pm
1 stop7h 42m
Ontario
Sun 7/12
10:00 pm-4:34 pm
2 stops15h 34m
$419
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Sat 7/4
7:24 pm-8:03 am
2 stops39h 39m
Ontario
Wed 7/15
3:40 pm-7:30 am
1 stop12h 50m
$436
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Tue 7/21
6:40 am-12:40 pm
2 stops9h 00m
Ontario
Tue 7/28
5:45 am-5:55 pm
2 stops9h 10m
$437
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Sat 7/4
5:30 am-12:45 pm
2 stops10h 15m
Ontario
Wed 7/15
5:45 am-5:55 pm
2 stops9h 10m
$451
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Wed 7/8
4:28 pm-9:50 pm
1 stop8h 22m
Ontario
Sun 7/12
11:48 am-11:30 pm
1 stop8h 42m
$468
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Fri 8/7
4:55 pm-10:05 pm
2 stops8h 10m
Ontario
Sun 8/9
10:10 am-11:00 pm
2 stops9h 50m
$487
Quickest round-trip
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Thu 7/30
5:35 am-10:38 am
1 stop8h 03m
Ontario
Sat 8/1
1:00 pm-10:58 pm
1 stop6h 58m
$494
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Wed 7/8
4:28 pm-9:50 pm
1 stop8h 22m
Ontario
Mon 7/13
10:00 pm-10:41 pm
2 stops21h 41m
$502
Showing 1-10 of 24 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 June.
| 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
How far ahead should I book a flight from Cleveland to Ontario?
The best time to book flights from Cleveland to Ontario is 31 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 $270). Flying from Cleveland to Ontario in June is currently the most expensive (average of $491). 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 June 8, 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
7.9
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
7.9
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
7.9
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
7.9
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
7.9
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
7.9
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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 June 8, 2026.
Cleveland and Ontario flights
Browse other Cleveland and Ontario flight options. Last updated on June 8, 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 June 8, 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 June 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$167 | Average$284 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$279 | Average$476 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$286 | Average$467 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$296 | Average$446 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$361 | Average$448 | FlexibilityNo cancel fee | On-time69% |