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$83+ Cheap flights from Ohio to Ontario (ONT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
CLE — ONT
Sep 17 — Sep 241
Thu 9/17
Thu 9/24
1 adult, Economy
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Cheap flight deals from Ohio to Ontario

Cheapest flights from Ohio to Ontario
Explore the most affordable flight options available from Ohio to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2026.

This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/227:08 am -
1 stop19h 39m
Tue 11/32:35 pm -
1 stop6h 49m
Deal found 8/17$165
This Frontier deal was found by Cheapflights users on 8/12. 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 9/28:27 pm -
1 stop6h 23m
Wed 9/96:15 am -
1 stop6h 20m
Deal found 8/12$168
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 10/217:08 am -
1 stop19h 42m
Tue 10/276:15 am -
1 stop15h 09m
Deal found 8/17$169
This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:30 pm -
1 stop21h 00m
Tue 9/2211:45 am -
1 stop24h 50m
Deal found 8/17$174
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/297:08 am -
1 stop19h 39m
Tue 11/106:15 am -
2 stops25h 39m
Deal found 8/17$181
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 10/54:30 pm -
1 stop10h 17m
Wed 10/711:45 am -
2 stops28h 03m
Deal found 8/14$182
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/157:08 am -
1 stop19h 39m
Tue 9/2211:45 am -
1 stop24h 43m
Deal found 8/18$185
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 9/512:20 pm -
1 stop14h 30m
Tue 9/1511:45 am -
1 stop24h 43m
Deal found 8/15$189
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/1910:37 am -
2 stops16h 10m
Mon 9/216:15 am -
1 stop30h 13m
Deal found 8/17$191
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:30 pm -
1 stop10h 17m
Wed 9/306:15 am -
2 stops33h 40m
Deal found 8/15$192
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/153:25 pm -
2 stops22h 05m
Tue 10/272:35 pm -
1 stop6h 49m
Deal found 8/17$192
This Frontier deal was found by Cheapflights users on 8/13. 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 9/1212:23 pm -
1 stop7h 23m
Wed 9/162:30 pm -
1 stop12h 49m
Deal found 8/13$198

Find flight deals from Ohio to Ontario

Keep the following information in mind while searching for Ohio to Ontario flight deals. Data was last updated August 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$165
(Kiwi.com)

One-way from

$83
(Trip.com)

Popular in

March

Cheapest in

January

Average price

$389
Provider with most accurate pricing for Cleveland Hopkins Intl-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Cleveland Hopkins Intl-Los Angeles flights.
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From Ohio to Ontario
Search Deals
One-way flight from Ohio to Ontario
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($3 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ohio 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 August 18, 2026.
Use the filters below to find and compare flights from Ohio to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ClevelandOntario

CLE Cleveland Hopkins Intl - ONT Ontario

CLEONT

Cleveland Hopkins Intl

Wed 12/16

7:00 am-12:10 pm

1 stop8h 10m

Ontario

Tue 1/5

7:00 am-6:43 pm

1 stop8h 43m

$337
Quickest round-trip

CincinnatiOntario

CVG Cincinnati Cinci./N. Kentucky - ONT Ontario

CVGONT

Cincinnati Cinci./N. Kentucky

Wed 1/13

7:55 pm-11:48 pm

1 stop6h 53m

Ontario

Wed 1/27

6:00 am-3:09 pm

1 stop6h 09m

$357

CincinnatiOntario

CVG Cincinnati Cinci./N. Kentucky - ONT Ontario

CVGONT

Cincinnati Cinci./N. Kentucky

Thu 1/14

6:40 am-12:30 pm

1 stop8h 50m

Ontario

Thu 1/21

6:00 am-3:09 pm

1 stop6h 09m

$357

CincinnatiOntario

CVG Cincinnati Cinci./N. Kentucky - ONT Ontario

CVGONT

Cincinnati Cinci./N. Kentucky

Thu 12/17

7:00 am-12:10 pm

1 stop8h 10m

Ontario

Thu 12/24

6:00 am-3:09 pm

1 stop6h 09m

$357

CincinnatiOntario

CVG Cincinnati Cinci./N. Kentucky - ONT Ontario

CVGONT

Cincinnati Cinci./N. Kentucky

Sat 1/16

7:55 pm-11:48 pm

1 stop6h 53m

Ontario

Sat 1/23

12:00 pm-12:24 am

1 stop9h 24m

$357

DaytonOntario

DAY Dayton - ONT Ontario

DAYONT

Dayton

Thu 12/10

6:00 am-11:10 am

1 stop8h 10m

Ontario

Mon 12/14

5:11 pm-10:42 am

2 stops14h 31m

$364

ColumbusOntario

CMH Columbus - ONT Ontario

CMHONT

Columbus

Thu 9/3

3:41 pm-10:59 pm

1 stop10h 18m

Ontario

Sat 9/5

1:18 pm-10:57 pm

1 stop6h 39m

$367

CincinnatiOntario

CVG Cincinnati Cinci./N. Kentucky - ONT Ontario

CVGONT

Cincinnati Cinci./N. Kentucky

Sat 1/16

5:50 pm-10:14 pm

1 stop7h 24m

Ontario

Fri 1/22

7:00 am-6:46 pm

1 stop8h 46m

$374

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Mon 11/2

7:45 pm-11:35 pm

1 stop6h 50m

Ontario

Sat 12/5

5:45 am-3:50 pm

1 stop7h 05m

$377

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Wed 9/16

5:50 am-11:05 am

1 stop8h 15m

Ontario

Sat 9/19

7:05 am-4:35 pm

1 stop6h 30m

$377

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Ohio to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Ohio with our price prediction graph.
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 Ohio to Ontario

What is the cheapest month to book a flight from Ohio to Ontario?

Currently, January is the cheapest month in which you can book a flight from Ohio to Ontario (average of $378). Flying from Ohio to Ontario in June is currently the most expensive (average of $508). 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 Ohio to Ontario?

Airfare is below average for this route at the moment.
Ohio to Ontario flights typically cost between $524 and $840 in September.
The cheapest round-trip price found within the last 5 days was $198 on Frontier (Sep 12-Sep 16).

How far ahead should I book a flight from Ohio to Ontario?

The best time to book flights from Ohio to Ontario is 16 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.

Related info for your journey

Find useful and relevant information for your journey from Ohio to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ontario from Ohio?

    Ontario (ONT) is the airport you will fly into if you book a flight from Ohio to Ontario. It is only a 3.1 mi journey from Ontario (ONT) to Ontario’s city center.

  • How long is the flight from Ohio to Ontario?

    A quick flight from Ohio to Ontario can take about 6h 50m. Frontier provides one of the quickest options available for as low as $377. There are 2084 mi between Ohio and Ontario. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Ohio to Ontario one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $85. United Airlines flights start at $114 while deals on American Airlines start at $128 one-way.

  • What are the most popular routes from Ohio to Ontario?

    Most travelers choose Detroit Metropolitan Wayne County - Ontario, Cincinnati Cinci./N. Kentucky - Ontario or Columbus - Ontario when deciding on the best route from Ohio to Ontario.

  • Can I find deals for flights from Ohio to Ontario that include hotel bookings?

    Yes. In addition to deals on Ohio to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ohio to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ohio to Ontario.

  • Can I find deals for business class flights from Ohio to Ontario?

    Yes. Cheapflights offers flight deals from Ohio to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ohio to Ontario?

    Currently, January is the cheapest month in which you can book a flight from Ohio to Ontario (average of $378). Flying from Ohio to Ontario in June is currently the most expensive (average of $508). 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.

See more FAQs

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Alternative routes for Ohio to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Ohio to Ontario

Discover the top 5 airlines that operate flights from Ohio 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 August 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$129Average$281FlexibilityNo cancel feeOn-time62%
DeltaCheapest$179Average$408FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$268Average$441FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$299Average$502FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$315Average$495FlexibilityNo cancel feeOn-time63%

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