$104+ Cheap flights from Cleveland to Ontario (CLE - ONT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
CLE — ONT
Nov 10 — Nov 171
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 October 11, 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 October 11, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:12 pm -
1 stop17h 33m
Mon 12/76:00 am -
1 stop26h 07m
Deal found 10/10![Frontier logo]()
$183
This Cheapflightsfares deal was found by Cheapflights users on 10/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/167:02 am -
1 stop26h 13m
Wed 1/66:27 pm -
1 stop7h 34m
Deal found 10/8![Frontier logo]()
$206
This Frontier deal was found by Cheapflights users on 10/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/34:50 pm -
1 stop10h 01m
Mon 11/98:35 pm -
1 stop6h 13m
Deal found 10/6![Frontier logo]()
$208
This Frontier deal was found by Cheapflights users on 10/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:50 pm -
1 stop10h 01m
Fri 11/138:35 pm -
1 stop6h 13m
Deal found 10/6![Frontier logo]()
$224
This CheapOair deal was found by Cheapflights users on 10/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:11 pm -
1 stop16h 54m
Sat 10/315:07 pm -
1 stop9h 48m
Deal found 10/6![Frontier logo]()
$234
This Frontier deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:50 pm -
1 stop10h 01m
Thu 11/126:30 am -
1 stop6h 10m
Deal found 10/10![Frontier logo]()
$235
This CheapOair deal was found by Cheapflights users on 10/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:11 pm -
1 stop16h 54m
Mon 11/92:23 pm -
1 stop12h 25m
Deal found 10/6![Frontier logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 10/6. 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.
Mon 11/29:59 pm -
2 stops15h 36m
Tue 11/105:07 pm -
1 stop9h 41m
Deal found 10/6![Frontier logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 10/6. 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.
Tue 11/39:59 pm -
2 stops15h 36m
Tue 11/105:07 pm -
1 stop9h 41m
Deal found 10/6![Frontier logo]()
$258
This CheapOair deal was found by Cheapflights users on 10/8. 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.
Mon 11/237:32 am -
1 stop27h 58m
Wed 12/211:30 am -
1 stop20h 34m
Deal found 10/8![Frontier logo]()
$259
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 October 11, 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 October 11, 2026.
This Southwest deal was found by Cheapflights users on 10/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:45 am -
2 stops8h 55m
Tue 12/810:05 am -
2 stops7h 15m
Deal found 10/5![Southwest logo]()
$284
This American Airlines deal was found by Cheapflights users on 10/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/307:31 pm -
1 stop7h 28m
Sat 1/99:28 am -
2 stops10h 06m
Deal found 10/5![American Airlines logo]()
$336
This Mytrip deal was found by Cheapflights users on 10/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:59 pm -
2 stops15h 36m
Sat 10/316:25 am -
2 stops15h 02m
Deal found 10/5![Frontier logo]()
$341
This Delta deal was found by Cheapflights users on 10/8. 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.
Mon 11/237:10 am -
1 stop8h 10m
Thu 12/31:11 pm -
1 stop7h 11m
Deal found 10/8![Delta logo]()
$353
This United Airlines deal was found by Cheapflights users on 10/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:15 pm -
1 stop7h 32m
Tue 11/36:00 am -
1 stop8h 56m
Deal found 10/8![United Airlines logo]()
$397
This Mytrip deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/54:50 pm -
1 stop10h 01m
Mon 11/96:30 am -
2 stops10h 50m
Deal found 10/10![Frontier logo]()
$344
This Delta deal was found by Cheapflights users on 10/7. 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 11/76:00 am -
1 stop8h 06m
Sat 11/2112:18 pm -
1 stop9h 39m
Deal found 10/7![Delta logo]()
$419
This United Airlines deal was found by Cheapflights users on 10/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/245:56 pm -
1 stop7h 38m
Thu 12/315:00 am -
1 stop6h 43m
Deal found 10/7![United Airlines logo]()
$461
This Southwest deal was found by Cheapflights users on 10/7. 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.
Sat 11/216:35 pm -
2 stops8h 10m
Sat 11/282:35 pm -
1 stop6h 00m
Deal found 10/7![Southwest logo]()
$483
This Delta deal was found by Cheapflights users on 10/7. 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.
Mon 11/95:20 pm -
1 stop7h 37m
Sat 11/2112:18 pm -
1 stop9h 39m
Deal found 10/7![Delta logo]()
$450
This United Airlines deal was found by Cheapflights users on 10/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:51 pm -
1 stop7h 00m
Thu 12/35:45 am -
1 stop9h 46m
Deal found 10/8![United Airlines logo]()
$470
Last-minute flights from Cleveland to OntarioDiscover last-minute flight deals from Cleveland to Ontario. Data last updated October 11, 2026 and is based on user searches.
Discover last-minute flight deals from Cleveland to Ontario. Data last updated October 11, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 10/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:11 pm -
1 stop16h 54m
Sat 10/315:07 pm -
1 stop9h 48m
Deal found 10/6![Frontier logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 10/6. 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.
Mon 11/29:59 pm -
2 stops15h 36m
Tue 11/105:07 pm -
1 stop9h 41m
Deal found 10/6![Frontier logo]()
$256
This Frontier deal was found by Cheapflights users on 10/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/34:50 pm -
1 stop10h 01m
Mon 11/98:35 pm -
1 stop6h 13m
Deal found 10/6![Frontier logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 10/6. 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.
Tue 11/39:59 pm -
2 stops15h 36m
Tue 11/105:07 pm -
1 stop9h 41m
Deal found 10/6![Frontier logo]()
$258
This Frontier deal was found by Cheapflights users on 10/8. 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 11/54:50 pm -
1 stop10h 01m
Mon 11/92:23 pm -
1 stop12h 25m
Deal found 10/8![Frontier logo]()
$268
This CheapOair deal was found by Cheapflights users on 10/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:11 pm -
1 stop16h 54m
Mon 11/92:23 pm -
1 stop12h 25m
Deal found 10/6![Frontier logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:11 pm -
2 stops31h 40m
Mon 11/166:30 am -
1 stop30h 10m
Deal found 10/9![Frontier logo]()
$261
This Cheapflightsfares deal was found by Cheapflights users on 10/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:50 pm -
1 stop20h 45m
Mon 11/162:23 pm -
1 stop12h 25m
Deal found 10/7![Frontier logo]()
$206
This Frontier deal was found by Cheapflights users on 10/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:50 pm -
1 stop10h 01m
Fri 11/138:35 pm -
1 stop6h 13m
Deal found 10/6![Frontier logo]()
$224
This Frontier deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:50 pm -
1 stop10h 01m
Thu 11/126:30 am -
1 stop6h 10m
Deal found 10/10![Frontier logo]()
$235
This CheapOair deal was found by Cheapflights users on 10/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:00 pm -
1 stop25h 21m
Wed 11/185:07 pm -
1 stop9h 41m
Deal found 10/7![Frontier logo]()
$218
This CheapOair deal was found by Cheapflights users on 10/8. 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.
Mon 11/237:32 am -
1 stop27h 58m
Wed 12/211:30 am -
1 stop20h 34m
Deal found 10/8![Frontier logo]()
$259
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 October 11, 2026.
Search for one-way flight options from Cleveland to Ontario. Find affordable one-way fares based on user searches. Data last updated October 11, 2026.
This Frontier deal was found by Cheapflights users on 10/8. 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 12/38:12 pm -
1 stop7h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Frontier logo]()
$104
This Booking.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/263:34 pm -
1 stop22h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Frontier logo]()
$107
This Super.com deal was found by Cheapflights users on 10/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:00 pm -
1 stop25h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$108
This Frontier deal was found by Cheapflights users on 10/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:50 pm -
1 stop10h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$110
This Trip.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:50 pm -
1 stop10h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Frontier logo]()
$113
This CheapOair deal was found by Cheapflights users on 10/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/158:12 pm -
1 stop17h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$115
This Frontier deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/127:49 pm -
1 stop7h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Frontier logo]()
$118
This Booking.com deal was found by Cheapflights users on 10/7. 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.
Fri 10/307:11 pm -
1 stop24h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$126
This Southwest deal was found by Cheapflights users on 10/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:30 pm -
1 stop7h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Southwest logo]()
$134
This Booking.com deal was found by Cheapflights users on 10/7. 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 10/204:50 pm -
1 stop20h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$142
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 October 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $183 (Cheapflightsfares) |
One-way from | $104 (Frontier) |
Popular in | August |
Cheapest in | December |
Average price | $427 |
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 7,457,451 searches. Data last updated October 11, 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 Cleveland Hopkins Intl - ONT Ontario
CLEONT
Cleveland Hopkins Intl
Thu 10/22
9:46 pm-11:16 am
1 stop16h 30m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$144
ClevelandOntario
CLE Cleveland Hopkins Intl - ONT Ontario
CLEONT
Cleveland Hopkins Intl
Thu 11/19
11:13 am-6:34 pm
1 stop10h 21m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$149
ClevelandOntario
CLE Cleveland Hopkins Intl - ONT Ontario
CLEONT
Cleveland Hopkins Intl
Fri 11/13
6:00 am-11:03 am
1 stop8h 03m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$149
ClevelandOntario
CLE Cleveland Hopkins Intl - ONT Ontario
CLEONT
Cleveland Hopkins Intl
Thu 1/7
6:00 am-11:27 am
1 stop8h 27m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$149
ClevelandOntario
CLE Cleveland Hopkins Intl - ONT Ontario
CLEONT
Cleveland Hopkins Intl
Sun 12/13
7:02 am-6:31 pm
1 stop14h 29m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$176
ClevelandOntario
CLE Cleveland Hopkins Intl - ONT Ontario
CLEONT
Cleveland Hopkins Intl
Fri 10/30
9:59 pm-4:21 pm
2 stops21h 22m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$179
ClevelandOntario
CLE Cleveland Hopkins Intl - ONT Ontario
CLEONT
Cleveland Hopkins Intl
Sat 11/7
6:00 am-11:06 am
1 stop8h 06m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$189
Quickest round-trip
ClevelandOntario
CLE Cleveland Hopkins Intl - ONT Ontario
CLEONT
Cleveland Hopkins Intl
Wed 1/13
7:00 am-11:27 am
1 stop7h 27m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$189
ClevelandOntario
CLE Cleveland Hopkins Intl - ONT Ontario
CLEONT
Cleveland Hopkins Intl
Tue 11/10
9:59 pm-10:35 am
2 stops15h 36m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$193
ClevelandOntario
CLE Cleveland Hopkins Intl - ONT Ontario
CLEONT
Cleveland Hopkins Intl
Mon 11/9
8:23 am-3:13 pm
1 stop9h 50m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$200
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Cleveland to Ontario
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Cleveland to Ontario in October.
| 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 |
- 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 27 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, December is the cheapest month in which you can book a flight from Cleveland to Ontario (average of $359). Flying from Cleveland to Ontario in August is currently the most expensive (average of $579). 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?
Airfare is below average for this route at the moment.
Cleveland to Ontario flights typically cost between $376 and $486 in December.The cheapest round-trip price found within the last 5 days was $183 on Frontier (Dec 3-Dec 7).
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 October 11, 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.
Food
7.0
Boarding
8.1
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.4
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Boarding
8.1
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.4
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Boarding
8.1
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.4
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Boarding
8.1
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.4
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Boarding
8.1
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.4
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Boarding
8.1
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.4
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 October 11, 2026.
Cleveland and Ontario flights
Browse other Cleveland and Ontario flight options. Last updated on October 11, 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 October 11, 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 7,457,451 searches. Data last updated October 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$176 | Average$307 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$299 | Average$507 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$336 | Average$486 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$356 | Average$497 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$361 | Average$431 | FlexibilityNo cancel fee | On-time69% |