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$98+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
CLE — ONT
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$236
(Cheapflightsfares)

One-way from

$98
(Trip.com)

Popular in

December

Cheapest in

June

Average price

$432
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. 7% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This Frontier deal was found by Cheapflights users on 3/27. 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.
Fri 4/183:47 pmCVG - ONT
1 stop11h 12mFrontier
Sun 4/202:48 pmONT - CVG
1 stop11h 21mFrontier
Deal found 3/27$238
This Frontier deal was found by Cheapflights users on 3/27. 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.
Fri 4/1810:44 amDTW - ONT
1 stop9h 07mFrontier
Sun 4/205:58 pmONT - DTW
1 stop12h 46mFrontier
Deal found 3/27$238
This Frontier deal was found by Cheapflights users on 3/27. 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.
Fri 4/1810:00 pmCLE - ONT
1 stop20h 19mFrontier
Thu 4/244:25 pmONT - CLE
1 stop11h 28mFrontier
Deal found 3/27$239
This Frontier deal was found by Cheapflights users on 3/26. 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 5/295:21 pmCMH - ONT
1 stop9h 30mFrontier
Sat 5/3112:59 amONT - CMH
1 stop12h 27mFrontier
Deal found 3/26$278
This Frontier deal was found by Cheapflights users on 3/27. 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.
Mon 6/25:22 pmPIT - ONT
1 stop9h 28mFrontier
Sun 6/812:59 amONT - PIT
1 stop12h 28mFrontier
Deal found 3/27$278
This Delta deal was found by Cheapflights users on 3/27. 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 9/42:53 pmDAY - ONT
1 stop7h 36mDelta
Mon 9/810:59 pmONT - DAY
1 stop8h 36mDelta
Deal found 3/27$289
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Sat 5/312:12 pmDAY - ONT
2 stops9h 08mAmerican Airlines
Fri 5/911:59 pmONT - DAY
1 stop8h 43mAmerican Airlines
Deal found 3/27$319
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Tue 5/207:30 amCVG - ONT
1 stop7h 20mAmerican Airlines
Tue 5/272:44 pmONT - CVG
1 stop6h 28mAmerican Airlines
Deal found 3/27$323
This Delta deal was found by Cheapflights users on 3/27. 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 5/204:36 pmCVG - ONT
2 stops10h 06mDelta
Tue 5/277:05 pmONT - CVG
2 stops12h 14mDelta
Deal found 3/27$333
This American Airlines deal was found by Cheapflights users on 3/25. 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.
Sat 5/105:59 pmCMH - ONT
1 stop6h 58mAmerican Airlines
Mon 5/121:14 pmONT - CMH
1 stop6h 02mAmerican Airlines
Deal found 3/25$343
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Tue 6/36:49 amPIT - ONT
1 stop10h 03mAmerican Airlines
Wed 6/118:15 amONT - PIT
1 stop9h 36mAmerican Airlines
Deal found 3/27$343
This Delta deal was found by Cheapflights users on 3/25. 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 4/156:25 pmPIT - ONT
1 stop7h 11mDelta
Sun 4/206:00 amONT - PIT
1 stop7h 56mDelta
Deal found 3/25$345

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 March 28, 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

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Thu 5/1

5:39 pm-11:59 pm

1 stop9h 20m

Ontario

Mon 5/5

2:28 pm-5:00 am

1 stop11h 32m

$238

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Fri 4/18

10:44 am-4:51 pm

1 stop9h 07m

Ontario

Sun 4/20

5:58 pm-9:44 am

1 stop12h 46m

$238

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Fri 4/18

10:00 pm-3:19 pm

1 stop20h 19m

Ontario

Thu 4/24

4:25 pm-6:53 am

1 stop11h 28m

$239

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Thu 5/29

5:21 pm-11:51 pm

1 stop9h 30m

Ontario

Sat 5/31

12:59 am-4:26 pm

1 stop12h 27m

$278

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Mon 6/2

5:22 pm-11:50 pm

1 stop9h 28m

Ontario

Sun 6/8

12:59 am-4:27 pm

1 stop12h 28m

$278

DaytonOntario

DAY - ONT

DAYONT

Dayton

Thu 9/4

2:53 pm-7:29 pm

1 stop7h 36m

Ontario

Mon 9/8

10:59 pm-10:35 am

1 stop8h 36m

$289

DaytonOntario

DAY - ONT

DAYONT

Dayton

Sat 5/3

12:12 pm-6:20 pm

2 stops9h 08m

Ontario

Fri 5/9

11:59 pm-11:42 am

1 stop8h 43m

$319

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Tue 4/8

5:49 pm-10:36 pm

1 stop7h 47m

Ontario

Tue 4/22

10:15 pm-9:34 am

1 stop8h 19m

$323

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Wed 4/16

5:17 am-9:54 am

1 stop7h 37m

Ontario

Wed 4/23

12:50 pm-12:33 am

2 stops8h 43m

$328

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Tue 6/3

6:49 am-1:52 pm

1 stop10h 03m

Ontario

Wed 6/11

8:15 am-8:51 pm

1 stop9h 36m

$343

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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, 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 $326). 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 March 28, 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 March 28, 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
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.1
Very good
4,274 reviews
Southwest
8.1
Very good
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,897 reviews
Southwest
8.1
Very good
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Hawaiian Airlines
7.9
Good
2,336 reviews
Southwest
8.1
Very good
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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 $109. Delta flights start at $162 while deals on American Airlines start at $172 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 $326). 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$148Average$256FlexibilityNo cancel feeOn-time62%
DeltaCheapest$276Average$421FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$287Average$447FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$451FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$344Average$438FlexibilityNo cancel feeOn-time63%
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