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$126+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
CVG — ONT
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$225
(Booking.com)

One-way from

$126
(CheapOair)

Popular in

December

Cheapest in

August

Average price

$389
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. 2% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This Booking.com deal was found by Cheapflights users on 6/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/3010:07 pmDTW - ONT
1 stop26h 44mFrontier
mié. 7/97:22 pmONT - DTW
1 stop17h 06mFrontier
Deal found 6/9$225
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
vie. 7/117:50 pmCLE - ONT
1 stop7h 00mFrontier
sáb. 7/1212:59 amONT - CLE
1 stop7h 01mFrontier
Deal found 6/11$264
This Gotogate deal was found by Cheapflights users on 6/12. 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.
lun. 8/259:29 pmCVG - ONT
1 stop21h 49mFrontier
lun. 9/16:00 amONT - CVG
1 stop21h 35mFrontier
Deal found 6/12$272
This Delta deal was found by Cheapflights users on 6/11. 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.
lun. 6/306:31 amCVG - ONT
1 stop8h 46mDelta
vie. 7/411:49 amONT - CVG
1 stop7h 51mDelta
Deal found 6/11$279
This American Airlines deal was found by Cheapflights users on 6/11. 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.
mié. 8/135:35 amCVG - ONT
2 stops8h 57mAmerican Airlines
mié. 8/1311:59 pmONT - CVG
1 stop7h 18mAmerican Airlines
Deal found 6/11$284
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/304:30 pmPIT - ONT
1 stop7h 13mUnited Airlines
dom. 8/316:00 amONT - PIT
1 stop7h 17mUnited Airlines
Deal found 6/11$284
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/136:00 amCVG - ONT
2 stops9h 14mUnited Airlines
mié. 8/136:31 pmONT - CVG
2 stops12h 59mUnited Airlines
Deal found 6/11$289
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
mar. 9/307:00 amCLE - ONT
1 stop10h 09mAlaska Airlines
mié. 10/86:00 amONT - CLE
1 stop10h 00mAlaska Airlines
Deal found 6/10$289
This American Airlines deal was found by Cheapflights users on 6/12. 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.
mié. 8/278:45 amDAY - ONT
1 stop7h 54mAmerican Airlines
mié. 9/310:54 amONT - DAY
1 stop6h 26mAmerican Airlines
Deal found 6/12$289
This Southwest deal was found by Cheapflights users on 6/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/47:50 pmCLE - ONT
1 stop6h 20mSouthwest
sáb. 8/95:25 amONT - CLE
1 stop6h 10mSouthwest
Deal found 6/12$293
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
jue. 8/76:37 pmCVG - ONT
1 stop8h 36mAlaska Airlines
jue. 8/142:21 pmONT - CVG
1 stop13h 46mAlaska Airlines
Deal found 6/12$296
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/146:28 pmCMH - ONT
1 stop8h 45mHawaiian Airlines
lun. 8/184:00 pmONT - CMH
1 stop10h 11mHawaiian Airlines
Deal found 6/10$296

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 junio 12, 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

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

lun. 6/30

10:07 pm-9:51 pm

1 stop26h 44m

Ontario

mié. 7/9

7:22 pm-3:28 pm

1 stop17h 06m

$225

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

vie. 7/11

7:50 pm-11:50 pm

1 stop7h 00m

Ontario

sáb. 7/12

12:59 am-11:00 am

1 stop7h 01m

$264

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

lun. 8/25

9:29 pm-4:18 pm

1 stop21h 49m

Ontario

lun. 9/1

6:00 am-6:35 am

1 stop21h 35m

$272

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

lun. 6/30

6:31 am-12:17 pm

1 stop8h 46m

Ontario

vie. 7/4

11:49 am-10:40 pm

1 stop7h 51m

$279

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

mié. 8/13

5:35 am-11:32 am

2 stops8h 57m

Ontario

mié. 8/13

11:59 pm-10:17 am

1 stop7h 18m

$284

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

sáb. 8/30

4:30 pm-8:43 pm

1 stop7h 13m

Ontario

dom. 8/31

6:00 am-4:17 pm

1 stop7h 17m

$284

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

mié. 8/20

5:00 pm-10:05 pm

1 stop8h 05m

Ontario

mié. 10/29

12:00 pm-10:25 pm

1 stop7h 25m

$289

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

mié. 8/13

6:00 am-12:14 pm

2 stops9h 14m

Ontario

mié. 8/13

6:31 pm-10:30 am

2 stops12h 59m

$289

DaytonOntario

DAY - ONT

DAYONT

Dayton

mié. 8/27

8:45 am-1:39 pm

1 stop7h 54m

Ontario

mié. 9/3

10:54 am-8:20 pm

1 stop6h 26m

$289

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

jue. 8/7

6:37 pm-12:13 am

1 stop8h 36m

Ontario

jue. 8/14

2:21 pm-7:07 am

1 stop13h 46m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

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 $328). 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 junio 12, 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 junio 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $126. Alaska Airlines flights start at $139 while deals on Delta start at $140 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 Columbus - 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 $328). 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$148Average$266FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$228Average$414FlexibilityNo cancel feeOn-time69%
DeltaCheapest$230Average$396FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$254Average$415FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$344Average$446FlexibilityNo cancel feeOn-time63%

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