$80+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
CLE — ONT
Apr 30 — May 71
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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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 March 31, 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 March 31, 2026.
This Expedia deal was found by Cheapflights users on 3/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:21 pm
CLE
- ONT
1 stop9h 34m
Frontier
Wed 4/2911:44 am
ONT
- CLE
1 stop16h 22m
Frontier
Deal found 3/27![Frontier logo]()
$160
This Booking.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/279:21 am
CLE
- ONT
1 stop6h 49m
Frontier
Mon 5/48:59 pm
ONT
- CLE
1 stop7h 07m
Frontier
Deal found 3/30![Frontier logo]()
$161
This Booking.com deal was found by Cheapflights users on 3/28. 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.
Thu 4/239:57 pm
CLE
- ONT
1 stop13h 27m
Frontier
Mon 4/275:33 pm
ONT
- CLE
1 stop22h 50m
Frontier
Deal found 3/28![Frontier logo]()
$162
This Booking.com deal was found by Cheapflights users on 3/28. 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.
Sat 4/185:21 pm
CLE
- ONT
1 stop9h 34m
Frontier
Fri 4/2412:59 am
ONT
- CLE
1 stop20h 58m
Frontier
Deal found 3/28![Frontier logo]()
$166
This Booking.com deal was found by Cheapflights users on 3/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:57 pm
CLE
- ONT
1 stop15h 47m
Frontier
Tue 4/217:44 pm
ONT
- CLE
1 stop8h 22m
Frontier
Deal found 3/26![Frontier logo]()
$167
This CheapOair deal was found by Cheapflights users on 3/27. 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.
Fri 4/249:59 pm
CLE
- ONT
1 stop23h 50m
Frontier
Fri 5/86:00 am
ONT
- CLE
1 stop25h 57m
Frontier
Deal found 3/27![Frontier logo]()
$171
This Booking.com deal was found by Cheapflights users on 3/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/39:57 pm
CLE
- ONT
1 stop13h 07m
Frontier
Thu 5/76:00 am
ONT
- CLE
1 stop25h 57m
Frontier
Deal found 3/27![Frontier logo]()
$172
This Trip.com deal was found by Cheapflights users on 3/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:11 pm
CLE
- ONT
1 stop8h 57m
Frontier
Tue 4/1412:59 am
ONT
- CLE
1 stop15h 24m
Frontier
Deal found 3/26![Frontier logo]()
$177
This Frontier deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/159:57 pm
CLE
- ONT
1 stop13h 27m
Frontier
Tue 4/217:44 pm
ONT
- CLE
1 stop8h 22m
Frontier
Deal found 3/29![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 3/27. 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.
Wed 4/229:57 pm
CLE
- ONT
1 stop13h 27m
Frontier
Wed 4/297:44 pm
ONT
- CLE
1 stop8h 22m
Frontier
Deal found 3/27![Frontier logo]()
$185
This Booking.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:00 pm
CLE
- ONT
1 stop14h 55m
Frontier
Tue 4/217:44 pm
ONT
- CLE
1 stop8h 22m
Frontier
Deal found 3/30![Frontier logo]()
$187
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 March 31, 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 March 31, 2026.
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:00 am
CLE
- ONT
2 stops9h 19m
Delta
Mon 6/15:50 pm
ONT
- CLE
2 stops12h 30m
Delta
Deal found 3/30![Delta logo]()
$387
This United Airlines deal was found by Cheapflights users on 3/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:06 pm
CLE
- ONT
2 stops10h 29m
United Airlines
Wed 5/61:30 pm
ONT
- CLE
1 stop8h 04m
United Airlines
Deal found 3/26![United Airlines logo]()
$420
This Alaska Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:55 pm
CLE
- ONT
1 stop8h 29m
Alaska Airlines
Thu 9/173:09 pm
ONT
- CLE
1 stop11h 02m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$477
This Delta deal was found by Cheapflights users on 3/28. 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.
Thu 4/234:00 pm
CLE
- ONT
2 stops10h 44m
Delta
Mon 4/275:05 pm
ONT
- CLE
2 stops13h 03m
Delta
Deal found 3/28![Delta logo]()
$387
This Delta deal was found by Cheapflights users on 3/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/24:00 pm
CLE
- ONT
2 stops10h 34m
Delta
Sat 6/612:07 pm
ONT
- CLE
1 stop9h 32m
Delta
Deal found 3/26![Delta logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:00 am
CLE
- ONT
1 stop10h 47m
Alaska Airlines
Sun 9/274:00 pm
ONT
- CLE
1 stop10h 11m
Alaska Airlines
Deal found 3/26![Alaska Airlines logo]()
$477
This Delta deal was found by Cheapflights users on 3/27. 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.
Sun 4/2611:57 am
CLE
- ONT
1 stop9h 36m
Delta
Sat 5/210:15 pm
ONT
- CLE
1 stop7h 53m
Delta
Deal found 3/27![Delta logo]()
$432
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:00 am
CLE
- ONT
2 stops9h 19m
Delta
Fri 5/2910:00 pm
ONT
- CLE
2 stops12h 23m
Delta
Deal found 3/30![Delta logo]()
$437
This Delta deal was found by Cheapflights users on 3/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:30 am
CLE
- ONT
2 stops8h 40m
Delta
Thu 6/115:59 pm
ONT
- CLE
2 stops12h 38m
Delta
Deal found 3/29![Delta logo]()
$437
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:28 am
CLE
- ONT
1 stop7h 40m
Delta
Tue 7/1410:00 pm
ONT
- CLE
1 stop8h 10m
Delta
Deal found 3/30![Delta logo]()
$477
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:00 am
CLE
- ONT
1 stop7h 04m
Delta
Fri 8/281:00 pm
ONT
- CLE
1 stop6h 56m
Delta
Deal found 3/30![Delta logo]()
$477
This Delta deal was found by Cheapflights users on 3/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/44:25 pm
CLE
- ONT
1 stop8h 31m
Delta
Mon 9/710:59 pm
ONT
- CLE
2 stops11h 35m
Delta
Deal found 3/29![Delta logo]()
$482
Last-minute flights from Cleveland to OntarioDiscover last-minute flight deals from Cleveland to Ontario. Data last updated March 31, 2026 and is based on user searches.
Discover last-minute flight deals from Cleveland to Ontario. Data last updated March 31, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 3/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:11 pm
CLE
- ONT
1 stop8h 57m
Frontier
Tue 4/1412:59 am
ONT
- CLE
1 stop15h 24m
Frontier
Deal found 3/26![Frontier logo]()
$177
This Booking.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:00 pm
CLE
- ONT
1 stop14h 55m
Frontier
Tue 4/217:44 pm
ONT
- CLE
1 stop8h 22m
Frontier
Deal found 3/30![Frontier logo]()
$187
This Frontier deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/159:57 pm
CLE
- ONT
1 stop13h 27m
Frontier
Tue 4/217:44 pm
ONT
- CLE
1 stop8h 22m
Frontier
Deal found 3/29![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 3/28. 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.
Thu 4/162:24 pm
CLE
- ONT
1 stop12h 31m
Frontier
Mon 4/208:59 pm
ONT
- CLE
1 stop7h 07m
Frontier
Deal found 3/28![Frontier logo]()
$190
This Booking.com deal was found by Cheapflights users on 3/28. 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.
Sat 4/185:21 pm
CLE
- ONT
1 stop9h 34m
Frontier
Fri 4/2412:59 am
ONT
- CLE
1 stop20h 58m
Frontier
Deal found 3/28![Frontier logo]()
$166
This Booking.com deal was found by Cheapflights users on 3/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:57 pm
CLE
- ONT
1 stop15h 47m
Frontier
Tue 4/217:44 pm
ONT
- CLE
1 stop8h 22m
Frontier
Deal found 3/26![Frontier logo]()
$167
This Frontier deal was found by Cheapflights users on 3/27. 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.
Wed 4/229:57 pm
CLE
- ONT
1 stop13h 27m
Frontier
Sun 4/266:15 am
ONT
- CLE
1 stop12h 32m
Frontier
Deal found 3/27![Frontier logo]()
$185
This Booking.com deal was found by Cheapflights users on 3/28. 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.
Thu 4/239:57 pm
CLE
- ONT
1 stop13h 27m
Frontier
Mon 4/275:33 pm
ONT
- CLE
1 stop22h 50m
Frontier
Deal found 3/28![Frontier logo]()
$162
This CheapOair deal was found by Cheapflights users on 3/27. 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.
Fri 4/249:59 pm
CLE
- ONT
1 stop23h 50m
Frontier
Fri 5/86:00 am
ONT
- CLE
1 stop25h 57m
Frontier
Deal found 3/27![Frontier logo]()
$171
This Expedia deal was found by Cheapflights users on 3/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:21 pm
CLE
- ONT
1 stop9h 34m
Frontier
Wed 4/2911:44 am
ONT
- CLE
1 stop16h 22m
Frontier
Deal found 3/27![Frontier logo]()
$160
This Booking.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/279:21 am
CLE
- ONT
1 stop6h 49m
Frontier
Mon 5/48:59 pm
ONT
- CLE
1 stop7h 07m
Frontier
Deal found 3/30![Frontier logo]()
$161
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 March 31, 2026.
Search for one-way flight options from Cleveland to Ontario. Find affordable one-way fares based on user searches. Data last updated March 31, 2026.
This Booking.com deal was found by Cheapflights users on 3/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:21 pm
CLE
- ONT
1 stop9h 34m
Frontier
Deal found 3/27![Frontier logo]()
$80
This Frontier deal was found by Cheapflights users on 3/26. 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.
Sat 4/255:21 pm
CLE
- ONT
1 stop9h 34m
Frontier
Deal found 3/26![Frontier logo]()
$81
This Booking.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:57 pm
CLE
- ONT
1 stop26h 07m
Frontier
Deal found 3/30![Frontier logo]()
$86
This CheapOair deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:22 pm
CLE
- ONT
1 stop26h 10m
Frontier
Deal found 3/30![Frontier logo]()
$92
This Super.com deal was found by Cheapflights users on 3/28. 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 4/149:57 pm
CLE
- ONT
1 stop15h 47m
Frontier
Deal found 3/28![Frontier logo]()
$104
This Super.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/159:57 pm
CLE
- ONT
1 stop13h 27m
Frontier
Deal found 3/27![Frontier logo]()
$105
This Booking.com deal was found by Cheapflights users on 3/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/128:50 pm
CLE
- ONT
1 stop26h 17m
Frontier
Deal found 3/27![Frontier logo]()
$106
This Trip.com deal was found by Cheapflights users on 3/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/179:59 pm
CLE
- ONT
1 stop23h 50m
Frontier
Deal found 3/29![Frontier logo]()
$111
This CheapOair deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:21 pm
CLE
- ONT
1 stop17h 10m
Frontier
Deal found 3/29![Frontier logo]()
$122
This Super.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/78:10 pm
CLE
- ONT
1 stop6h 46m
Frontier
Deal found 3/27![Frontier logo]()
$124
This Frontier deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:21 pm
CLE
- ONT
1 stop9h 34m
Frontier
Deal found 3/30![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 3/28. 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.
Wed 7/229:00 am
CLE
- ONT
1 stop9h 09m
Frontier
Deal found 3/28![Frontier logo]()
$126
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 March 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $160 (Expedia) |
One-way from | $80 (Frontier) |
Popular in | October |
Cheapest in | August |
Average price | $401 |
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 March 31, 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
Thu 5/28
6:00 am-12:19 pm
2 stops9h 19m
Ontario
Mon 6/1
5:50 pm-9:20 am
2 stops12h 30m
$387
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Thu 4/23
4:00 pm-11:44 pm
2 stops10h 44m
Ontario
Mon 4/27
5:05 pm-9:08 am
2 stops13h 03m
$387
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Tue 6/2
4:00 pm-11:34 pm
2 stops10h 34m
Ontario
Sat 6/6
12:07 pm-12:39 am
1 stop9h 32m
$417
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Tue 5/5
3:06 pm-10:35 pm
2 stops10h 29m
Ontario
Wed 5/6
1:30 pm-12:34 am
1 stop8h 04m
$420
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Sun 4/26
11:57 am-6:33 pm
1 stop9h 36m
Ontario
Sat 5/2
10:15 pm-9:08 am
1 stop7h 53m
$432
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Tue 5/26
6:00 am-12:19 pm
2 stops9h 19m
Ontario
Fri 5/29
10:00 pm-1:23 pm
2 stops12h 23m
$437
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Tue 6/9
6:30 am-12:10 pm
2 stops8h 40m
Ontario
Thu 6/11
5:59 pm-9:37 am
2 stops12h 38m
$437
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Sat 9/12
5:55 pm-11:24 pm
1 stop8h 29m
Ontario
Thu 9/17
3:09 pm-5:11 am
1 stop11h 02m
$477
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Sat 9/19
7:00 am-2:47 pm
1 stop10h 47m
Ontario
Sun 9/27
4:00 pm-5:11 am
1 stop10h 11m
$477
ClevelandOntario
CLE - ONT
CLEONT
Cleveland Hopkins Intl
Tue 7/7
7:28 am-12:08 pm
1 stop7h 40m
Ontario
Tue 7/14
10:00 pm-9:10 am
1 stop8h 10m
$477
Showing 1-10 of 23 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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Cleveland-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cleveland-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Cleveland-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Cleveland-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Cleveland-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Cleveland to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Cleveland with our price prediction graph.
CLE-ONT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Cleveland to Ontario
What is the cheapest month to book a flight from Cleveland to Ontario?
Currently, August is the cheapest month in which you can book a flight from Cleveland to Ontario (average of $104). Flying from Cleveland to Ontario in January is currently the most expensive (average of $162). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
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 March 31, 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.
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
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 March 31, 2026.
Cleveland and Ontario flights
Browse other Cleveland and Ontario flight options. Last updated on March 31, 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 March 31, 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 March 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$167 | Average$287 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$279 | Average$496 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$285 | Average$443 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$296 | Average$436 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$324 | Average$440 | FlexibilityNo cancel fee | On-time69% |