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$65+ 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
CVG — ONT
May 9 — May 161
Sat 5/9
Sat 5/16
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 April 9, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Wed 5/612:47 pm
CLE
-
ONT
1 stop14h 02m
Frontier
Mon 5/116:00 am
ONT
-
CLE
1 stop26h 42m
Frontier
Deal found 4/6$126
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/512:35 pm
CLE
-
ONT
1 stop14h 14m
Frontier
Fri 5/86:00 am
ONT
-
CLE
1 stop26h 52m
Frontier
Deal found 4/7$129
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1912:47 pm
CLE
-
ONT
1 stop14h 02m
Frontier
Tue 5/2610:50 am
ONT
-
CLE
1 stop21h 07m
Frontier
Deal found 4/8$147
This Trip.com deal was found by Cheapflights users on 4/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:21 pm
CLE
-
ONT
1 stop9h 34m
Frontier
Sat 5/98:27 pm
ONT
-
CLE
1 stop8h 05m
Frontier
Deal found 4/5$148
This Trip.com deal was found by Cheapflights users on 4/9. 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.
Wed 5/612:47 pm
CLE
-
ONT
1 stop14h 02m
Frontier
Sun 5/104:04 pm
ONT
-
CLE
1 stop25h 29m
Frontier
Deal found 4/9$149
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2012:47 pm
CLE
-
ONT
1 stop14h 02m
Frontier
Tue 5/266:00 am
ONT
-
CLE
1 stop25h 57m
Frontier
Deal found 4/7$151
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Wed 4/2912:00 pm
CLE
-
ONT
1 stop14h 55m
Frontier
Mon 5/48:59 pm
ONT
-
CLE
2 stops35h 43m
Frontier
Deal found 4/6$153
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:55 am
DTW
-
ONT
1 stop18h 54m
Frontier
Wed 5/610:50 am
ONT
-
DTW
1 stop10h 09m
Frontier
Deal found 4/5$158
This Frontier deal was found by Cheapflights users on 4/8. 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 4/308:17 pm
CVG
-
ONT
1 stop6h 38m
Frontier
Fri 5/18:20 pm
ONT
-
CVG
1 stop6h 33m
Frontier
Deal found 4/8$160
This Frontier deal was found by Cheapflights users on 4/6. 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.
Wed 4/299:57 pm
CLE
-
ONT
1 stop13h 27m
Frontier
Wed 5/64:39 pm
ONT
-
CLE
1 stop11h 53m
Frontier
Deal found 4/6$160
This Frontier deal was found by Cheapflights users on 4/4. 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.
Thu 4/3010:27 pm
DTW
-
ONT
1 stop12h 04m
Frontier
Sat 5/212:59 am
ONT
-
DTW
1 stop6h 59m
Frontier
Deal found 4/4$160
This Mytrip deal was found by Cheapflights users on 4/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/187:55 am
DTW
-
ONT
1 stop29h 10m
Frontier
Fri 5/228:06 pm
ONT
-
DTW
1 stop19h 37m
Frontier
Deal found 4/6$161

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 April 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$126
(Kiwi.com)

One-way from

$65
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$349
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. 4% potential increase in price ($16 potential increase over avg. RT price).
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 April 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 April 9, 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

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Tue 5/12

4:49 pm-9:48 pm

1 stop7h 59m

Ontario

Fri 5/15

10:00 pm-10:30 am

1 stop9h 30m

$347

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Fri 5/8

12:30 pm-8:40 pm

2 stops11h 10m

Ontario

Mon 5/11

9:25 am-9:50 pm

2 stops9h 25m

$357

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Wed 5/20

6:40 am-1:30 pm

2 stops9h 50m

Ontario

Tue 5/26

9:45 pm-9:55 am

2 stops9h 10m

$366

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Mon 4/27

11:55 am-6:33 pm

1 stop9h 38m

Ontario

Wed 4/29

12:49 pm-12:35 am

1 stop8h 46m

$366

DaytonOntario

DAY - ONT

DAYONT

Dayton

Thu 9/17

11:05 am-6:01 pm

1 stop9h 56m

Ontario

Tue 9/22

10:59 pm-10:26 am

1 stop8h 27m

$369

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Wed 5/20

7:55 pm-11:34 pm

1 stop6h 39m

Ontario

Thu 5/28

10:00 pm-9:04 am

1 stop8h 04m

$372

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Thu 5/28

10:51 am-9:48 pm

2 stops13h 57m

Ontario

Mon 6/1

5:50 pm-9:20 am

2 stops12h 30m

$387

DaytonOntario

DAY - ONT

DAYONT

Dayton

Thu 4/30

6:00 am-11:36 am

1 stop8h 36m

Ontario

Mon 5/4

10:15 pm-10:43 am

1 stop9h 28m

$389

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Sat 4/25

8:30 am-5:15 pm

1 stop11h 45m

Ontario

Wed 5/6

7:05 am-6:39 pm

1 stop8h 34m

$396

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Fri 5/22

7:30 am-12:19 pm

1 stop7h 49m

Ontario

Sat 5/23

1:29 pm-10:56 pm

1 stop6h 27m

$412

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/5

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 $109). Flying from Ohio to Ontario in April is currently the most expensive (average of $214). 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 7h 59m. Delta provides one of the quickest options available for as low as $347. There are 1944 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, 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 $109). Flying from Ohio to Ontario in April is currently the most expensive (average of $214). 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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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 April 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$157Average$288FlexibilityNo cancel feeOn-time62%
DeltaCheapest$179Average$387FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$215Average$473FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$228Average$437FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$279Average$479FlexibilityNo cancel feeOn-time63%

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