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$62+ 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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
CVG — ONT
Dec 8 — Dec 151
Mon 12/8
Mon 12/15
1 adult, Economy
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Find 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 November 8, 2025.

This CheapOair deal was found by Cheapflights users on 11/6. 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.
Thu 12/1111:44 amCLE - ONT
1 stop9h 51mFrontier
Mon 12/153:20 pmONT - CLE
1 stop16h 47mFrontier
Deal found 11/6$130
This CheapOair deal was found by Cheapflights users on 11/6. 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.
Thu 12/112:23 pmCVG - ONT
1 stop25h 47mFrontier
Sun 12/146:15 amONT - CVG
1 stop14h 43mFrontier
Deal found 11/6$134
This CheapOair deal was found by Cheapflights users on 11/6. 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 12/1212:22 pmCLE - ONT
1 stop29h 03mFrontier
Mon 12/153:20 pmONT - CLE
1 stop16h 47mFrontier
Deal found 11/6$134
This CheapOair deal was found by Cheapflights users on 11/7. 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.
Mon 12/17:15 amCLE - ONT
1 stop10h 11mFrontier
Sat 12/66:15 amONT - CLE
1 stop9h 19mFrontier
Deal found 11/7$137
This CheapOair deal was found by Cheapflights users on 11/6. 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.
Thu 11/2010:29 pmDTW - ONT
1 stop25h 37mFrontier
Sun 11/3012:58 amONT - DTW
1 stop20h 52mFrontier
Deal found 11/6$137
This CheapOair deal was found by Cheapflights users on 11/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/52:23 pmCVG - ONT
1 stop9h 54mFrontier
Fri 12/126:15 amONT - CVG
1 stop14h 43mFrontier
Deal found 11/5$138
This Flightnetwork deal was found by Cheapflights users on 11/7. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/282:21 pmCLE - ONT
1 stop9h 45mFrontier
Thu 12/46:15 amONT - CLE
1 stop9h 19mFrontier
Deal found 11/7$138
This CheapOair deal was found by Cheapflights users on 11/6. 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 12/55:20 pmDTW - ONT
1 stop24h 05mFrontier
Sun 12/72:59 pmONT - DTW
1 stop17h 00mFrontier
Deal found 11/6$138
This Gotogate deal was found by Cheapflights users on 11/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:45 amCLE - ONT
1 stop16h 32mFrontier
Mon 12/83:20 pmONT - CLE
1 stop16h 47mFrontier
Deal found 11/7$139
This CheapOair deal was found by Cheapflights users on 11/6. 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 11/2810:29 pmDTW - ONT
1 stop14h 42mFrontier
Sun 12/72:59 pmONT - DTW
1 stop17h 00mFrontier
Deal found 11/6$141
This Super.com deal was found by Cheapflights users on 11/7. 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.
Sun 11/232:21 pmCLE - ONT
1 stop9h 45mFrontier
Fri 11/2812:58 amONT - CLE
1 stop7h 09mFrontier
Deal found 11/7$142
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Thu 12/1111:44 amCLE - ONT
1 stop9h 51mFrontier
Wed 12/176:15 amONT - CLE
1 stop20h 55mFrontier
Deal found 11/6$143

Cheap flight deals from Ohio to Ontario

Keep the following information in mind while searching for Ohio to Ontario flight deals. Data was last updated November 8, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$129
(Kiwi.com)

One-way from

$62
(Trip.com)

Popular in

December

Cheapest in

January

Average price

$359
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.
Search Deals
From Ohio to Ontario
Search Deals
One-way flight from Ohio to Ontario
Search Deals
High demand for flights, 3% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 November 8, 2025.
Use the filters below to find and compare flights from Ohio to Ontario that are best for you.

Fly from

Ohio

Fly to

Ontario

Route

Depart

Return

Price

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Fri 1/9

6:07 pm-11:59 pm

1 stop8h 52m

Ontario

Tue 1/13

11:31 am-6:04 pm

1 stop27h 33m

$134

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Mon 2/2

3:50 pm-9:17 pm

1 stop8h 27m

Ontario

Fri 2/6

1:28 pm-2:45 pm

1 stop22h 17m

$142

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Wed 11/26

10:29 pm-9:06 pm

1 stop25h 37m

Ontario

Fri 11/28

7:48 pm-11:43 am

1 stop12h 55m

$144

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Sat 11/22

12:28 pm-6:13 pm

1 stop8h 45m

Ontario

Wed 11/26

12:58 am-11:43 am

1 stop7h 45m

$144

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Wed 12/10

8:15 am-9:17 pm

1 stop16h 02m

Ontario

Thu 12/11

6:15 am-11:07 am

2 stops25h 52m

$171

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Fri 12/12

12:22 pm-2:25 pm

1 stop29h 03m

Ontario

Mon 12/15

3:20 pm-11:07 am

1 stop16h 47m

$180

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Fri 12/12

8:50 am-5:34 pm

1 stop11h 44m

Ontario

Tue 12/16

6:15 am-6:34 pm

1 stop9h 19m

$180

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Thu 12/11

11:44 am-6:35 pm

1 stop9h 51m

Ontario

Mon 12/15

2:59 pm-12:11 pm

2 stops42h 12m

$183

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Mon 12/15

8:15 am-2:04 pm

1 stop8h 49m

Ontario

Sun 12/21

6:37 pm-6:10 am

1 stop8h 33m

$188

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Thu 11/20

6:00 am-11:11 am

1 stop8h 11m

Ontario

Wed 11/26

7:06 pm-10:46 am

1 stop12h 40m

$201

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/8

Showing 1-10 of 60 results
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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, October is the cheapest month in which you can book a flight from Ohio to Ontario (average of $106). Flying from Ohio to Ontario in April is currently the most expensive (average of $166). 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.

What is the cheapest time of day to fly from OH to ONT?

Find hourly flight availability from Ohio to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 8, 2025.

When flying from Ohio to Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 26% versus a flight in the morning.

What is the cheapest day to fly from Ohio to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Ohio to Ontario. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Ohio to Ontario flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 8h 52m. Frontier provides one of the quickest options available for as low as $134. There are 2002 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 most popular routes from Ohio to Ontario?

    Most travelers choose Detroit Metropolitan Wayne County - Ontario, Cincinnati Cinci./N. Kentucky - Ontario or Cleveland Hopkins Intl - 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, October is the cheapest month in which you can book a flight from Ohio to Ontario (average of $106). Flying from Ohio to Ontario in April is currently the most expensive (average of $166). 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 November 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$146Average$257FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$228Average$425FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$250Average$413FlexibilityNo cancel feeOn-time71%
DeltaCheapest$254Average$389FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$279Average$445FlexibilityNo cancel feeOn-time63%

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