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$80+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
CLE — ONT
Jul 7 — Jul 141
Tue 7/7
Tue 7/14
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 June 7, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/4. 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 8/118:30 am
DTW
-
ONT
1 stop9h 44m
Frontier
Tue 8/1810:50 am
ONT
-
DTW
1 stop22h 47m
Frontier
Deal found 6/4$186
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 8/48:30 am
DTW
-
ONT
1 stop9h 44m
Frontier
Tue 8/1110:49 am
ONT
-
DTW
1 stop22h 45m
Frontier
Deal found 6/4$187
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 8/48:30 am
DTW
-
ONT
1 stop9h 44m
Frontier
Wed 8/126:00 am
ONT
-
DTW
1 stop14h 59m
Frontier
Deal found 6/3$202
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 7/298:30 am
DTW
-
ONT
1 stop9h 44m
Frontier
Tue 8/46:00 am
ONT
-
DTW
1 stop27h 34m
Frontier
Deal found 6/3$216
This Trip.com deal was found by Cheapflights users on 6/4. 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.
Thu 8/139:43 pm
CLE
-
ONT
1 stop13h 20m
Frontier
Sun 8/1611:47 am
ONT
-
CLE
1 stop16h 43m
Frontier
Deal found 6/4$218
This Trip.com deal was found by Cheapflights users on 6/3. 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 7/78:52 am
DTW
-
ONT
1 stop25h 40m
Frontier
Tue 7/143:40 pm
ONT
-
DTW
1 stop12h 20m
Frontier
Deal found 6/3$227
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 6/309:10 am
CLE
-
ONT
1 stop8h 58m
Frontier
Mon 7/133:40 pm
ONT
-
CLE
1 stop12h 50m
Frontier
Deal found 6/3$229
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 7/88:30 am
DTW
-
ONT
1 stop9h 44m
Frontier
Tue 7/143:40 pm
ONT
-
DTW
1 stop12h 20m
Frontier
Deal found 6/2$241
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 7/218:22 pm
CLE
-
ONT
1 stop14h 41m
Frontier
Tue 7/283:40 pm
ONT
-
CLE
2 stops16h 18m
Frontier
Deal found 6/4$245
This Trip.com deal was found by Cheapflights users on 6/4. 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 8/219:55 pm
CLE
-
ONT
1 stop24h 53m
Frontier
Tue 8/251:27 pm
ONT
-
CLE
1 stop26h 36m
Frontier
Deal found 6/4$249
This Frontier deal was found by Cheapflights users on 6/4. 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 6/309:10 am
CLE
-
ONT
1 stop8h 58m
Frontier
Tue 7/148:17 am
ONT
-
CLE
1 stop12h 03m
Frontier
Deal found 6/4$256
This Booking.com deal was found by Cheapflights users on 6/2. 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 7/78:22 pm
CLE
-
ONT
1 stop21h 52m
Frontier
Tue 7/143:40 pm
ONT
-
CLE
1 stop24h 24m
Frontier
Deal found 6/2$258

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 June 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$186
(Kiwi.com)

One-way from

$80
(Kiwi.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.
Search Deals
From Ohio to Ontario
Search Deals
One-way flight from Ohio to Ontario
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 7, 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 - ONT

CLEONT

Cleveland Hopkins Intl

Thu 7/2

8:25 am-4:48 pm

1 stop11h 23m

Ontario

Mon 7/6

3:40 pm-7:30 am

1 stop12h 50m

$338

DaytonOntario

DAY - ONT

DAYONT

Dayton

Fri 7/3

4:29 pm-11:49 pm

2 stops10h 20m

Ontario

Tue 7/7

5:10 pm-10:30 am

2 stops14h 20m

$359

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Tue 7/7

3:43 pm-10:34 pm

1 stop9h 51m

Ontario

Wed 7/22

10:25 am-9:48 pm

1 stop8h 23m

$400

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Wed 8/26

5:26 am-10:42 am

1 stop8h 16m

Ontario

Thu 8/27

12:55 pm-11:00 pm

1 stop7h 05m

$410

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Fri 8/28

9:55 pm-3:09 pm

1 stop20h 14m

Ontario

Fri 9/4

3:07 pm-5:11 am

1 stop11h 04m

$411

DaytonOntario

DAY - ONT

DAYONT

Dayton

Fri 7/3

6:32 pm-10:32 pm

1 stop7h 00m

Ontario

Tue 7/7

12:35 pm-11:44 pm

1 stop8h 09m

$426

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Wed 8/5

3:45 pm-8:55 pm

2 stops8h 10m

Ontario

Wed 8/12

9:40 am-8:30 pm

2 stops7h 50m

$427

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Tue 8/25

7:35 am-12:05 pm

1 stop7h 30m

Ontario

Fri 8/28

12:55 pm-11:00 pm

1 stop7h 05m

$436

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Sun 8/23

5:26 am-10:42 am

1 stop8h 16m

Ontario

Tue 8/25

12:55 pm-11:00 pm

1 stop7h 05m

$436

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Tue 7/21

6:40 am-12:40 pm

2 stops9h 00m

Ontario

Tue 7/28

5:45 am-5:55 pm

2 stops9h 10m

$437

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/1

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, October is the cheapest month in which you can book a flight from Ohio to Ontario (average of $85). Flying from Ohio to Ontario in January is currently the most expensive (average of $290). 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?

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 27m. Frontier provides one of the quickest options available for as low as $349. There are 1873 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 American Airlines, which is currently one of the cheapest options available, starting at $78. Frontier flights start at $85 while deals on Southwest start at $109 one-way.

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

    Most travelers choose Detroit Metropolitan Wayne County - Ontario, Cleveland Hopkins Intl - Ontario or Cincinnati Cinci./N. Kentucky - 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 $85). Flying from Ohio to Ontario in January is currently the most expensive (average of $290). 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 June 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$157Average$285FlexibilityNo cancel feeOn-time62%
DeltaCheapest$179Average$395FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$215Average$481FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$279Average$489FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$286Average$440FlexibilityNo cancel feeOn-time69%

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