$125+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
CLE — ONT
Jul 29 — Aug 51
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 June 29, 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 29, 2026.
This Frontier deal was found by Cheapflights users on 6/24. 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 8/119:00 am
CLE
- ONT
1 stop9h 14m
Frontier
Wed 8/125:08 pm
ONT
- CLE
1 stop11h 22m
Frontier
Deal found 6/24![Frontier logo]()
$250
This Flightnetwork deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork 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 14m
Frontier
Sat 8/2211:50 am
ONT
- CLE
1 stop7h 24m
Frontier
Deal found 6/27![Frontier logo]()
$251
This Frontier deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/219:00 am
CLE
- ONT
1 stop9h 14m
Frontier
Thu 8/138:17 am
ONT
- CLE
1 stop12h 03m
Frontier
Deal found 6/28![Frontier logo]()
$257
This Booking.com deal was found by Cheapflights users on 6/24. 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 8/49:00 am
CLE
- ONT
1 stop9h 14m
Frontier
Sat 8/810:49 am
ONT
- CLE
1 stop21h 09m
Frontier
Deal found 6/24![Frontier logo]()
$258
This CheapOair deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/59:27 pm
CLE
- ONT
1 stop13h 36m
Frontier
Tue 9/83:40 pm
ONT
- CLE
1 stop25h 59m
Frontier
Deal found 6/24![Frontier logo]()
$260
This Booking.com deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:03 pm
CLE
- ONT
1 stop14h 47m
Frontier
Wed 8/125:08 pm
ONT
- CLE
1 stop11h 22m
Frontier
Deal found 6/28![Frontier logo]()
$263
This Frontier deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:27 pm
CLE
- ONT
1 stop13h 36m
Frontier
Mon 8/316:00 am
ONT
- CLE
1 stop6h 47m
Frontier
Deal found 6/25![Frontier logo]()
$264
This CheapOair deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:59 pm
CLE
- ONT
1 stop15h 22m
Frontier
Thu 9/179:12 pm
ONT
- CLE
1 stop20h 27m
Frontier
Deal found 6/28![Frontier logo]()
$267
This CheapOair deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:59 pm
CLE
- ONT
1 stop15h 22m
Frontier
Thu 9/179:12 pm
ONT
- CLE
1 stop20h 27m
Frontier
Deal found 6/27![Frontier logo]()
$274
This Frontier deal was found by Cheapflights users on 6/25. 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 7/259:00 am
CLE
- ONT
1 stop9h 14m
Frontier
Thu 7/308:17 am
ONT
- CLE
1 stop12h 03m
Frontier
Deal found 6/25![Frontier logo]()
$284
This Frontier deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:43 pm
CLE
- ONT
1 stop13h 20m
Frontier
Sun 8/164:09 pm
ONT
- CLE
1 stop12h 21m
Frontier
Deal found 6/24![Frontier logo]()
$291
This CheapOair deal was found by Cheapflights users on 6/25. 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 9/189:59 pm
CLE
- ONT
1 stop25h 55m
Frontier
Sat 9/262:58 pm
ONT
- CLE
1 stop13h 08m
Frontier
Deal found 6/25![Frontier logo]()
$294
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 29, 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 29, 2026.
This Booking.com deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/58:22 pm
CLE
- ONT
1 stop14h 41m
Frontier
Tue 8/111:38 pm
ONT
- CLE
1 stop14h 52m
Frontier
Deal found 6/28![Frontier logo]()
$263
This Delta deal was found by Cheapflights users on 6/24. 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 8/265:26 am
CLE
- ONT
1 stop8h 16m
Delta
Sun 8/3010:00 pm
ONT
- CLE
2 stops15h 34m
Delta
Deal found 6/24![Delta logo]()
$401
This United Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:17 pm
CLE
- ONT
1 stop7h 18m
United Airlines
Wed 8/129:01 am
ONT
- CLE
2 stops11h 57m
United Airlines
Deal found 6/28![United Airlines logo]()
$529
This Booking.com deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/159:00 am
CLE
- ONT
1 stop9h 14m
Frontier
Sat 7/1811:52 am
ONT
- CLE
1 stop7h 02m
Frontier
Deal found 6/28![Frontier logo]()
$361
This Frontier deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/119:00 am
CLE
- ONT
1 stop9h 14m
Frontier
Mon 7/133:40 pm
ONT
- CLE
1 stop12h 50m
Frontier
Deal found 6/28![Frontier logo]()
$373
This Delta deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1512:35 pm
CLE
- ONT
1 stop8h 55m
Delta
Sat 8/221:06 pm
ONT
- CLE
1 stop6h 39m
Delta
Deal found 6/28![Delta logo]()
$415
This Delta deal was found by Cheapflights users on 6/24. 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 8/275:26 am
CLE
- ONT
1 stop8h 16m
Delta
Sun 8/3010:00 pm
ONT
- CLE
2 stops15h 34m
Delta
Deal found 6/24![Delta logo]()
$418
This United Airlines deal was found by Cheapflights users on 6/24. 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 8/2612:19 pm
CLE
- ONT
2 stops10h 42m
United Airlines
Sun 8/307:13 pm
ONT
- CLE
2 stops11h 37m
United Airlines
Deal found 6/24![United Airlines logo]()
$543
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Wed 7/2210:00 pm
ONT
- CLE
1 stop8h 10m
Delta
Deal found 6/27![Delta logo]()
$463
Last-minute flights from Cleveland to OntarioDiscover last-minute flight deals from Cleveland to Ontario. Data last updated June 29, 2026 and is based on user searches.
Discover last-minute flight deals from Cleveland to Ontario. Data last updated June 29, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/289:43 pm
CLE
- ONT
1 stop25h 08m
Frontier
Sat 7/186:00 am
ONT
- CLE
1 stop25h 58m
Frontier
Deal found 6/25![Frontier logo]()
$325
This Frontier deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/99:43 pm
CLE
- ONT
1 stop13h 20m
Frontier
Wed 7/223:40 pm
ONT
- CLE
1 stop12h 50m
Frontier
Deal found 6/27![Frontier logo]()
$322
This Frontier deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/159:00 am
CLE
- ONT
1 stop9h 14m
Frontier
Sat 7/183:40 pm
ONT
- CLE
1 stop12h 50m
Frontier
Deal found 6/25![Frontier logo]()
$308
This Frontier deal was found by Cheapflights users on 6/25. 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 7/169:00 am
CLE
- ONT
1 stop9h 54m
Frontier
Sat 7/183:40 pm
ONT
- CLE
1 stop12h 50m
Frontier
Deal found 6/25![Frontier logo]()
$314
This Frontier deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/189:00 am
CLE
- ONT
1 stop9h 14m
Frontier
Wed 7/293:40 pm
ONT
- CLE
1 stop12h 50m
Frontier
Deal found 6/28![Frontier logo]()
$304
This Frontier deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/219:00 am
CLE
- ONT
1 stop9h 14m
Frontier
Thu 8/138:17 am
ONT
- CLE
1 stop12h 03m
Frontier
Deal found 6/28![Frontier logo]()
$257
This Frontier deal was found by Cheapflights users on 6/26. 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 7/249:43 pm
CLE
- ONT
1 stop13h 20m
Frontier
Tue 7/283:40 pm
ONT
- CLE
1 stop12h 50m
Frontier
Deal found 6/26![Frontier logo]()
$311
This Frontier deal was found by Cheapflights users on 6/25. 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 7/259:00 am
CLE
- ONT
1 stop9h 14m
Frontier
Thu 7/308:17 am
ONT
- CLE
1 stop12h 03m
Frontier
Deal found 6/25![Frontier logo]()
$284
This Frontier deal was found by Cheapflights users on 6/26. 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 7/269:43 pm
CLE
- ONT
1 stop13h 20m
Frontier
Sat 8/13:40 pm
ONT
- CLE
1 stop12h 50m
Frontier
Deal found 6/26![Frontier logo]()
$291
This Frontier deal was found by Cheapflights users on 6/24. 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 7/279:00 am
CLE
- ONT
1 stop9h 54m
Frontier
Fri 7/313:40 pm
ONT
- CLE
1 stop12h 50m
Frontier
Deal found 6/24![Frontier logo]()
$318
This Frontier deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/289:00 am
CLE
- ONT
1 stop9h 14m
Frontier
Wed 7/293:40 pm
ONT
- CLE
1 stop12h 50m
Frontier
Deal found 6/25![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:00 am
CLE
- ONT
1 stop9h 14m
Frontier
Sat 8/13:40 pm
ONT
- CLE
1 stop12h 50m
Frontier
Deal found 6/25![Frontier logo]()
$300
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 29, 2026.
Search for one-way flight options from Cleveland to Ontario. Find affordable one-way fares based on user searches. Data last updated June 29, 2026.
This Frontier deal was found by Cheapflights users on 6/25. 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 14m
Frontier
Deal found 6/25![Frontier logo]()
$125
This Flightnetwork deal was found by Cheapflights users on 6/26. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/229:00 am
CLE
- ONT
1 stop9h 14m
Frontier
Deal found 6/26![Frontier logo]()
$126
This Super.com deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:27 pm
CLE
- ONT
1 stop21h 43m
Frontier
Deal found 6/28![Frontier logo]()
$129
This Flightnetwork deal was found by Cheapflights users on 6/26. 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 Flightnetwork 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
Deal found 6/26![Frontier logo]()
$131
This CheapOair deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:22 pm
CLE
- ONT
1 stop21h 52m
Frontier
Deal found 6/29![Frontier logo]()
$136
This Mytrip deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:03 pm
CLE
- ONT
1 stop25h 01m
Frontier
Deal found 6/28![Frontier logo]()
$138
This Super.com deal was found by Cheapflights users on 6/26. 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.
Sun 8/169:43 pm
CLE
- ONT
1 stop21h 11m
Frontier
Deal found 6/26![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 8/315:15 pm
CLE
- ONT
2 stops28h 46m
Frontier
Deal found 6/25![Frontier logo]()
$164
This Frontier deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/79:00 am
CLE
- ONT
1 stop9h 54m
Frontier
Deal found 6/25![Frontier logo]()
$165
This CheapOair deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:27 pm
CLE
- ONT
1 stop21h 27m
Frontier
Deal found 6/28![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/239:43 pm
CLE
- ONT
2 stops40h 24m
Frontier
Deal found 6/28![Frontier logo]()
$174
This Frontier deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:00 am
CLE
- ONT
1 stop9h 14m
Frontier
Deal found 6/26![Frontier logo]()
$176
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 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $250 (Frontier) |
One-way from | $125 (Priceline) |
Popular in | June |
Cheapest in | August |
Average price | $517 |
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 29, 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 8/5
8:22 pm-8:03 am
1 stop14h 41m
Ontario
Tue 8/11
1:38 pm-7:30 am
1 stop14h 52m
$263
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Wed 7/15
9:00 am-3:14 pm
1 stop9h 14m
Ontario
Sat 7/18
11:52 am-9:54 pm
1 stop7h 02m
$361
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Sat 7/11
9:00 am-3:14 pm
1 stop9h 14m
Ontario
Mon 7/13
3:40 pm-7:30 am
1 stop12h 50m
$373
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Wed 8/26
5:26 am-10:42 am
1 stop8h 16m
Ontario
Sun 8/30
10:00 pm-4:34 pm
2 stops15h 34m
$401
Quickest round-trip
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Sat 8/15
12:35 pm-6:30 pm
1 stop8h 55m
Ontario
Sat 8/22
1:06 pm-10:45 pm
1 stop6h 39m
$415
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Thu 8/27
5:26 am-10:42 am
1 stop8h 16m
Ontario
Sun 8/30
10:00 pm-4:34 pm
2 stops15h 34m
$418
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Wed 7/8
4:28 pm-9:50 pm
1 stop8h 22m
Ontario
Wed 7/22
10:00 pm-9:10 am
1 stop8h 10m
$463
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Tue 8/11
6:17 pm-10:35 pm
1 stop7h 18m
Ontario
Wed 8/12
9:01 am-11:58 pm
2 stops11h 57m
$529
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Wed 8/26
12:19 pm-8:01 pm
2 stops10h 42m
Ontario
Sun 8/30
7:13 pm-9:50 am
2 stops11h 37m
$543
Cheapest one-way
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Sun 8/2
9:43 pm-8:03 am
1 stop13h 20m
$165
Showing 1-10 of 19 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 $286). Flying from Cleveland to Ontario in June is currently the most expensive (average of $517). 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 29, 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.
Boarding
8.1
Overall
7.9
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Overall
7.9
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Overall
7.9
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Overall
7.9
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Overall
7.9
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Overall
7.9
Crew
8.6
Entertainment
7.5
Comfort
8.0
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 29, 2026.
Cleveland and Ontario flights
Browse other Cleveland and Ontario flight options. Last updated on June 29, 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 29, 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 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$160 | Average$282 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$279 | Average$476 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$286 | Average$481 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$296 | Average$446 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$361 | Average$448 | FlexibilityNo cancel fee | On-time69% |