$124+ Cheap flights from Ontario to Cleveland (ONT - CLE)
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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CLE
Aug 28 — Sep 41
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Cleveland 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Ontario to Cleveland
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ontario to ClevelandExplore the most affordable flight options available from Ontario to Cleveland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2026.
Explore the most affordable flight options available from Ontario to Cleveland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:56 pm
ONT
- CLE
1 stop16h 51m
Frontier
Wed 9/27:25 am
CLE
- ONT
1 stop19h 25m
Frontier
Deal found 7/29![Frontier logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am
ONT
- CLE
1 stop11h 05m
Frontier
Wed 10/2112:40 pm
CLE
- ONT
1 stop14h 15m
Frontier
Deal found 7/27![Frontier logo]()
$246
This Frontier deal was found by Cheapflights users on 7/25. 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.
Mon 8/174:09 pm
ONT
- CLE
1 stop12h 21m
Frontier
Wed 8/199:27 pm
CLE
- ONT
1 stop13h 36m
Frontier
Deal found 7/25![Frontier logo]()
$248
This Frontier deal was found by Cheapflights users on 7/26. 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.
Thu 8/206:00 am
ONT
- CLE
1 stop6h 47m
Frontier
Sat 8/227:00 am
CLE
- ONT
1 stop11h 54m
Frontier
Deal found 7/26![Frontier logo]()
$253
This Frontier deal was found by Cheapflights users on 7/27. 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 8/2011:15 am
ONT
- CLE
1 stop7h 59m
Frontier
Thu 8/277:00 am
CLE
- ONT
1 stop12h 22m
Frontier
Deal found 7/27![Frontier logo]()
$258
This CheapOair deal was found by Cheapflights users on 7/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/33:40 pm
ONT
- CLE
1 stop27h 34m
Frontier
Mon 9/77:25 am
CLE
- ONT
1 stop29h 39m
Frontier
Deal found 7/26![Frontier logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:00 am
ONT
- CLE
2 stops26h 55m
Frontier
Tue 9/17:25 am
CLE
- ONT
1 stop19h 25m
Frontier
Deal found 7/26![Frontier logo]()
$266
Best flights from Ontario to ClevelandDiscover carefully curated flight deals from Ontario to Cleveland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2026.
Discover carefully curated flight deals from Ontario to Cleveland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2026.
This Orbitz deal was found by Cheapflights users on 7/25. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:45 am
ONT
- CLE
1 stop29h 20m
Frontier
Sat 10/108:35 am
CLE
- ONT
1 stop10h 35m
Frontier
Deal found 7/25![Frontier logo]()
$253
This Delta deal was found by Cheapflights users on 7/28. 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.
Fri 9/111:04 pm
ONT
- CLE
1 stop7h 08m
Delta
Sat 9/127:25 am
CLE
- ONT
1 stop7h 49m
Delta
Deal found 7/28![Delta logo]()
$378
This Southwest deal was found by Cheapflights users on 7/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:15 am
ONT
- CLE
2 stops8h 00m
Southwest
Mon 8/316:15 am
CLE
- ONT
2 stops8h 10m
Southwest
Deal found 7/25![Southwest logo]()
$405
This CheapOair deal was found by Cheapflights users on 7/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:43 pm
ONT
- CLE
1 stop6h 23m
Frontier
Sun 11/19:51 pm
CLE
- ONT
1 stop15h 33m
Frontier
Deal found 7/26![Frontier logo]()
$299
This Frontier deal was found by Cheapflights users on 7/24. 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.
Fri 9/258:07 am
ONT
- CLE
1 stop13h 33m
Frontier
Sat 9/268:35 am
CLE
- ONT
1 stop10h 35m
Frontier
Deal found 7/24![Frontier logo]()
$328
This Delta deal was found by Cheapflights users on 7/28. 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.
Wed 11/111:25 pm
ONT
- CLE
1 stop6h 26m
Delta
Mon 11/161:00 pm
CLE
- ONT
1 stop8h 31m
Delta
Deal found 7/28![Delta logo]()
$414
This Southwest deal was found by Cheapflights users on 7/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:15 am
ONT
- CLE
2 stops8h 00m
Southwest
Tue 8/256:25 am
CLE
- ONT
2 stops9h 05m
Southwest
Deal found 7/27![Southwest logo]()
$424
This Frontier deal was found by Cheapflights users on 7/28. 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.
Mon 8/1011:47 am
ONT
- CLE
1 stop7h 07m
Frontier
Fri 8/149:00 am
CLE
- ONT
1 stop9h 54m
Frontier
Deal found 7/28![Frontier logo]()
$386
This Southwest deal was found by Cheapflights users on 7/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:05 pm
ONT
- CLE
2 stops7h 50m
Southwest
Fri 10/21:40 pm
CLE
- ONT
2 stops10h 30m
Southwest
Deal found 7/29![Southwest logo]()
$442
This Frontier deal was found by Cheapflights users on 7/26. 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 9/262:30 pm
ONT
- CLE
1 stop12h 49m
Frontier
Fri 10/212:23 pm
CLE
- ONT
1 stop9h 16m
Frontier
Deal found 7/26![Frontier logo]()
$406
This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:15 am
ONT
- CLE
2 stops8h 30m
Southwest
Sun 8/305:00 pm
CLE
- ONT
2 stops8h 50m
Southwest
Deal found 7/28![Southwest logo]()
$460
This Southwest deal was found by Cheapflights users on 7/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:35 am
ONT
- CLE
2 stops12h 50m
Southwest
Wed 8/196:55 am
CLE
- ONT
2 stops8h 45m
Southwest
Deal found 7/25![Southwest logo]()
$478
Last-minute flights from Ontario to ClevelandDiscover last-minute flight deals from Ontario to Cleveland. Data last updated July 29, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Cleveland. Data last updated July 29, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/25. 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.
Mon 8/174:09 pm
ONT
- CLE
1 stop12h 21m
Frontier
Wed 8/199:27 pm
CLE
- ONT
1 stop13h 36m
Frontier
Deal found 7/25![Frontier logo]()
$248
This Frontier deal was found by Cheapflights users on 7/27. 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 8/196:00 am
ONT
- CLE
1 stop6h 47m
Frontier
Fri 8/217:00 am
CLE
- ONT
1 stop12h 22m
Frontier
Deal found 7/27![Frontier logo]()
$275
This Frontier deal was found by Cheapflights users on 7/26. 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.
Thu 8/206:00 am
ONT
- CLE
1 stop6h 47m
Frontier
Sat 8/227:00 am
CLE
- ONT
1 stop11h 54m
Frontier
Deal found 7/26![Frontier logo]()
$253
This Frontier deal was found by Cheapflights users on 7/27. 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 8/2011:15 am
ONT
- CLE
1 stop7h 59m
Frontier
Thu 8/277:00 am
CLE
- ONT
1 stop12h 22m
Frontier
Deal found 7/27![Frontier logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:56 pm
ONT
- CLE
1 stop16h 51m
Frontier
Wed 9/27:25 am
CLE
- ONT
1 stop19h 25m
Frontier
Deal found 7/29![Frontier logo]()
$235
This Frontier deal was found by Cheapflights users on 7/27. 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.
Fri 8/2810:17 pm
ONT
- CLE
1 stop6h 13m
Frontier
Mon 8/317:00 am
CLE
- ONT
1 stop12h 22m
Frontier
Deal found 7/27![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:00 am
ONT
- CLE
2 stops26h 55m
Frontier
Tue 9/17:25 am
CLE
- ONT
1 stop19h 25m
Frontier
Deal found 7/26![Frontier logo]()
$266
One-way flights from Ontario to ClevelandSearch for one-way flight options from Ontario to Cleveland. Find affordable one-way fares based on user searches. Data last updated July 29, 2026.
Search for one-way flight options from Ontario to Cleveland. Find affordable one-way fares based on user searches. Data last updated July 29, 2026.
This Frontier deal was found by Cheapflights users on 7/26. 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.
Thu 9/108:24 pm
ONT
- CLE
1 stop6h 55m
Frontier
Deal found 7/26![Frontier logo]()
$124
This Super.com deal was found by Cheapflights users on 7/28. 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.
Sat 9/511:50 am
ONT
- CLE
1 stop7h 24m
Frontier
Deal found 7/28![Frontier logo]()
$128
This deal was found by Cheapflights users on 7/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:00 am
ONT
- CLE
1 stop6h 47m
Frontier
Deal found 7/27![Frontier logo]()
$129
This Gotogate deal was found by Cheapflights users on 7/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:04 am
ONT
- CLE
1 stop17h 15m
Frontier
Deal found 7/25![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:55 pm
ONT
- CLE
2 stops26h 42m
Frontier
Deal found 7/29![Frontier logo]()
$133
This Super.com deal was found by Cheapflights users on 7/27. 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.
Mon 8/1710:49 am
ONT
- CLE
1 stop25h 58m
Frontier
Deal found 7/27![Frontier logo]()
$134
This Frontier deal was found by Cheapflights users on 7/25. 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 8/154:09 pm
ONT
- CLE
1 stop12h 21m
Frontier
Deal found 7/25![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1211:45 am
ONT
- CLE
2 stops30h 07m
Frontier
Deal found 7/27![Frontier logo]()
$141
This Super.com deal was found by Cheapflights users on 7/27. 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.
Fri 8/286:00 am
ONT
- CLE
1 stop6h 47m
Frontier
Deal found 7/27![Frontier logo]()
$145
This deal was found by Cheapflights users on 7/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/410:17 pm
ONT
- CLE
1 stop6h 13m
Frontier
Deal found 7/24![Frontier logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Sat 10/312:35 pm
ONT
- CLE
2 stops20h 54m
Frontier
Deal found 7/28![Frontier logo]()
$159
This Super.com deal was found by Cheapflights users on 7/27. 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.
Sun 10/48:24 pm
ONT
- CLE
1 stop6h 55m
Frontier
Deal found 7/27![Frontier logo]()
$163
Find flight deals from Ontario to Cleveland
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Cleveland (CLE). 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 July 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $235 (Kiwi.com) |
One-way from | $124 (Frontier) |
Popular in | May |
Cheapest in | September |
Average price | $383 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Cleveland 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 July 29, 2026.
Use the filters below to find and compare flights from Ontario to Cleveland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioCleveland
ONT - CLE
ONTCLE
Ontario
Wed 10/7
11:45 am-8:05 pm
1 stop29h 20m
Cleveland Hopkins Intl
Sat 10/10
8:35 am-4:10 pm
1 stop10h 35m
$253
OntarioCleveland
ONT - CLE
ONTCLE
Ontario
Thu 10/29
9:43 pm-7:06 am
1 stop6h 23m
Cleveland Hopkins Intl
Sun 11/1
9:51 pm-10:24 am
1 stop15h 33m
$299
OntarioCleveland
ONT - CLE
ONTCLE
Ontario
Fri 9/25
8:07 am-12:40 am
1 stop13h 33m
Cleveland Hopkins Intl
Sat 9/26
8:35 am-4:10 pm
1 stop10h 35m
$328
Quickest round-trip
OntarioCleveland
ONT - CLE
ONTCLE
Ontario
Fri 9/11
1:04 pm-11:12 pm
1 stop7h 08m
Cleveland Hopkins Intl
Sat 9/12
7:25 am-12:14 pm
1 stop7h 49m
$378
OntarioCleveland
ONT - CLE
ONTCLE
Ontario
Mon 8/10
11:47 am-9:54 pm
1 stop7h 07m
Cleveland Hopkins Intl
Fri 8/14
9:00 am-3:54 pm
1 stop9h 54m
$386
OntarioCleveland
ONT - CLE
ONTCLE
Ontario
Thu 8/27
5:15 am-4:15 pm
2 stops8h 00m
Cleveland Hopkins Intl
Mon 8/31
6:15 am-11:25 am
2 stops8h 10m
$405
OntarioCleveland
ONT - CLE
ONTCLE
Ontario
Sat 9/26
2:30 pm-6:19 am
1 stop12h 49m
Cleveland Hopkins Intl
Fri 10/2
12:23 pm-6:39 pm
1 stop9h 16m
$406
OntarioCleveland
ONT - CLE
ONTCLE
Ontario
Wed 11/11
1:25 pm-10:51 pm
1 stop6h 26m
Cleveland Hopkins Intl
Mon 11/16
1:00 pm-6:31 pm
1 stop8h 31m
$414
OntarioCleveland
ONT - CLE
ONTCLE
Ontario
Thu 8/20
5:15 am-4:15 pm
2 stops8h 00m
Cleveland Hopkins Intl
Tue 8/25
6:25 am-12:30 pm
2 stops9h 05m
$424
OntarioCleveland
ONT - CLE
ONTCLE
Ontario
Thu 10/1
1:05 pm-11:55 pm
2 stops7h 50m
Cleveland Hopkins Intl
Fri 10/2
1:40 pm-9:10 pm
2 stops10h 30m
$442
Showing 1-10 of 24 resultsSorted by cheapest first
Compare providers for flights from Ontario to Cleveland
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 Ontario to Cleveland in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Cleveland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Cleveland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Cleveland flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Cleveland 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 Ontario-Cleveland 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 Ontario to Cleveland
Have a flexible travel schedule? Discover the best time to fly to Cleveland from Ontario with our price prediction graph.
ONT-CLE
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 Ontario to Cleveland
Prices
More
How far ahead should I book a flight from Ontario to Cleveland?
The best time to book flights from Ontario to Cleveland is 13 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 Ontario to Cleveland?
Currently, September is the cheapest month in which you can book a flight from Ontario to Cleveland (average of $298). Flying from Ontario to Cleveland in May is currently the most expensive (average of $476). 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 Ontario to Cleveland?
Airfare is below average for this route at the moment.
Ontario to Cleveland flights typically cost between $305 and $476 in August.The cheapest round-trip price found within the last 5 days was $235 on Frontier (Aug 26-Sep 2).
What’s the top layover airport for flights from Ontario to Cleveland?
Share of 1-stop round-trip flights from Ontario to Cleveland chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 67% of 1-stop itineraries from Ontario to Cleveland on Cheapflights.
What’s the cheapest layover airport for flights from Ontario to Cleveland?
Average round-trip fare for 1-stop flights from Ontario to Cleveland, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Las Vegas (LAS) is the most affordable 1-stop option, with an average round-trip price of $233.
What’s the fastest layover option from Ontario to Cleveland?
Shortest average travel time for 1-stop one-way flights from Ontario to Cleveland, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 9h 37m.
Which airport typically offers the quickest layover for flights from Ontario to Cleveland?
Average layover duration for 1-stop one-way flights from Ontario to Cleveland, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 3h 56m.
Reviews of airlines servicing Cleveland
Get insights into the airlines that provide service to Cleveland. 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 Cleveland. Reviews last updated July 29, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Ontario to Cleveland 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
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Ontario to Cleveland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Cleveland?
Book flights to Cleveland if you plan to visit one of these locationsSandusky
Beachwood
Independence
Mansfield
Avon
Strongsville
Lakewood
Streetsboro
Medina
Cuyahoga Falls
North Olmsted
Macedonia
Kent
Westlake
Elyria
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Alternative routes for Ontario to Cleveland
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Other flights to Cleveland
Explore flights to Cleveland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 29, 2026.
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Ontario and Cleveland flights
Browse other Ontario and Cleveland flight options. Last updated on July 29, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on July 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Ontario to Cleveland
Discover the top 5 airlines that operate flights from Ontario to Cleveland. 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 July 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$182 | Average$297 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$198 | Average$415 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$286 | Average$418 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$306 | Average$439 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$326 | Average$465 | FlexibilityNo cancel fee | On-time71% |