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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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
CLE — ONT
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$127
(Trip.com)

One-way from

$65
(Frontier)

Popular in

March

Cheapest in

June

Average price

$389
Provider with most accurate pricing for Cleveland Hopkins Intl-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Cleveland Hopkins Intl-Los Angeles flights.
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From Ohio to Ontario
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One-way flight from Ohio to Ontario
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Highest demand for flights based on searches. 9% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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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 February 20, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 2/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/610:50 amCLE - ONT
1 stop8h 34mFrontier
Mon 3/1012:59 amONT - CLE
1 stop7h 07mFrontier
Deal found 2/18$127
This Trip.com deal was found by Cheapflights users on 2/20. 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 3/43:35 pmDTW - ONT
1 stop11h 24mFrontier
Wed 3/512:59 amONT - DTW
1 stop9h 54mFrontier
Deal found 2/20$127
This Frontier deal was found by Cheapflights users on 2/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/48:20 amCVG - ONT
1 stop13h 38mFrontier
Tue 3/112:43 pmONT - CVG
1 stop11h 23mFrontier
Deal found 2/18$130
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/144:49 pmDTW - ONT
1 stop31h 11mAlaska Airlines
Mon 3/176:00 amONT - DTW
1 stop30h 53mAlaska Airlines
Deal found 2/20$262
This Delta deal was found by Cheapflights users on 2/20. 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 4/168:30 amDTW - ONT
1 stop17h 12mDelta
Thu 4/245:45 amONT - DTW
1 stop12h 05mDelta
Deal found 2/20$263
This Orbitz deal was found by Cheapflights users on 2/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/307:00 amDTW - ONT
1 stop11h 32mMultiple Airlines
Sun 5/1112:59 amONT - DTW
1 stop8h 46mMultiple Airlines
Deal found 2/18$267
This Delta deal was found by Cheapflights users on 2/20. 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 8/272:53 pmDAY - ONT
1 stop7h 36mDelta
Wed 9/310:59 pmONT - DAY
1 stop8h 36mDelta
Deal found 2/20$289
This Delta deal was found by Cheapflights users on 2/20. 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.
Thu 4/177:40 pmCVG - ONT
1 stop7h 01mDelta
Fri 4/255:30 pmONT - CVG
2 stops13h 09mDelta
Deal found 2/20$298
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/196:36 pmCVG - ONT
1 stop26h 47mAlaska Airlines
Tue 3/256:00 amONT - CVG
1 stop8h 36mAlaska Airlines
Deal found 2/20$312
This American Airlines deal was found by Cheapflights users on 2/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/185:17 pmCVG - ONT
1 stop7h 53mAmerican Airlines
Sat 4/2610:00 amONT - CVG
2 stops8h 43mAmerican Airlines
Deal found 2/20$318
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/227:36 pmPIT - ONT
1 stop31h 23mAlaska Airlines
Tue 3/256:00 amONT - PIT
1 stop9h 36mAlaska Airlines
Deal found 2/20$322
This Delta deal was found by Cheapflights users on 2/20. 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.
Tue 4/226:00 amCLE - ONT
1 stop7h 57mDelta
Tue 4/295:30 pmONT - CLE
2 stops12h 50mDelta
Deal found 2/20$333

Find flights from Ohio to Ontario within your budget

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 February 20, 2025.

Fly from

Ohio

Fly to

Ontario

Route

Depart

Return

Price

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Thu 3/6

10:50 am-4:24 pm

1 stop8h 34m

Ontario

Mon 3/10

12:59 am-11:06 am

1 stop7h 07m

$127

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Tue 3/4

3:35 pm-11:59 pm

1 stop11h 24m

Ontario

Wed 3/5

12:59 am-1:53 pm

1 stop9h 54m

$127

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Tue 3/4

8:20 am-6:58 pm

1 stop13h 38m

Ontario

Tue 3/11

2:43 pm-5:06 am

1 stop11h 23m

$130

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Fri 3/14

4:49 pm-9:00 pm

1 stop31h 11m

Ontario

Mon 3/17

6:00 am-3:53 pm

1 stop30h 53m

$262

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Wed 4/16

8:30 am-10:42 pm

1 stop17h 12m

Ontario

Thu 4/24

5:45 am-8:50 pm

1 stop12h 05m

$263

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Wed 4/30

7:00 am-3:32 pm

1 stop11h 32m

Ontario

Sun 5/11

12:59 am-12:45 pm

1 stop8h 46m

$267

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Thu 4/17

7:40 pm-11:41 pm

1 stop7h 01m

Ontario

Fri 4/25

5:30 pm-9:39 am

2 stops13h 09m

$298

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Wed 3/19

6:36 pm-6:23 pm

1 stop26h 47m

Ontario

Tue 3/25

6:00 am-5:36 pm

1 stop8h 36m

$312

DaytonOntario

DAY - ONT

DAYONT

Dayton

Tue 3/11

3:59 pm-10:43 pm

1 stop9h 44m

Ontario

Tue 3/18

12:46 pm-11:27 pm

1 stop7h 41m

$314

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Fri 4/18

5:17 pm-10:10 pm

1 stop7h 53m

Ontario

Sat 4/26

10:00 am-9:43 pm

2 stops8h 43m

$318

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

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.

Travel insights for flights from Ohio to Ontario

Get recent, data-driven insights about flights from Ohio to Ontario including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Ohio to Ontario (average of $246). Flying from Ohio to Ontario in March is currently the most expensive (average of $315). 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 February 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ohio to Ontario as you normally would.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated February 20, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta from Ohio to Ontario to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

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.

  • 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 $65. Hawaiian Airlines flights start at $131 while deals on Alaska Airlines start at $137 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, August is the cheapest month in which you can book a flight from Ohio to Ontario (average of $246). Flying from Ohio to Ontario in March is currently the most expensive (average of $315). 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$155Average$265FlexibilityNo cancel feeOn-time62%
DeltaCheapest$276Average$454FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$306Average$504FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$308Average$485FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$344Average$446FlexibilityNo cancel feeOn-time63%
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