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$94+ 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
CVG — ONT
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$196
(Cheapflightsfares)

One-way from

$94
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$308
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 ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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.
Wed 6/47:30 amCLE - ONT
1 stop7h 14mFrontier
Mon 6/912:59 amONT - CLE
1 stop7h 06mFrontier
Deal found 4/30$196
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Tue 6/310:06 pmDTW - ONT
1 stop16h 38mFrontier
Wed 6/1112:39 pmONT - DTW
1 stop23h 47mFrontier
Deal found 4/30$204
This CheapOair deal was found by Cheapflights users on 4/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/256:05 amCVG - ONT
1 stop20h 46mFrontier
Fri 5/3012:59 amONT - CVG
1 stop20h 56mFrontier
Deal found 4/30$218
This Frontier deal was found by Cheapflights users on 4/29. 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
Thu 6/512:59 amONT - PIT
1 stop12h 28mFrontier
Deal found 4/29$218
This Delta deal was found by Cheapflights users on 4/29. 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 5/292:32 pmDAY - ONT
1 stop8h 01mDelta
Tue 6/312:18 pmONT - DAY
1 stop8h 15mDelta
Deal found 4/29$283
This Trip.com deal was found by Cheapflights users on 4/30. 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.
Mon 5/266:45 amCVG - ONT
1 stop9h 39mMultiple Airlines
Thu 5/2912:59 amONT - CVG
1 stop20h 56mMultiple Airlines
Deal found 4/30$288
This Delta deal was found by Cheapflights users on 4/30. 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 6/188:12 amDTW - ONT
1 stop7h 05mDelta
Tue 6/2410:05 pmONT - DTW
1 stop6h 50mDelta
Deal found 4/30$293
This American Airlines deal was found by Cheapflights users on 4/30. 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 6/35:00 amDTW - ONT
2 stops9h 50mAmerican Airlines
Wed 6/1110:28 pmONT - DTW
1 stop7h 47mAmerican Airlines
Deal found 4/30$298
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/225:21 pmCMH - ONT
1 stop9h 30mMultiple Airlines
Thu 5/294:45 pmONT - CMH
1 stop9h 28mMultiple Airlines
Deal found 4/29$305
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Sun 5/257:28 amPIT - ONT
1 stop7h 22mAmerican Airlines
Tue 6/31:14 pmONT - PIT
1 stop6h 44mAmerican Airlines
Deal found 4/29$307
This Delta deal was found by Cheapflights users on 4/28. 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 6/1810:29 amPIT - ONT
2 stops14h 56mDelta
Wed 6/257:05 amONT - PIT
1 stop9h 22mDelta
Deal found 4/28$312
This Delta deal was found by Cheapflights users on 4/30. 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.
Sat 5/245:30 pmCVG - ONT
1 stop7h 46mDelta
Tue 6/312:18 pmONT - CVG
1 stop8h 41mDelta
Deal found 4/30$313

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 May 1, 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

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Wed 6/4

7:30 am-11:44 am

1 stop7h 14m

Ontario

Mon 6/9

12:59 am-11:05 am

1 stop7h 06m

$196

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Tue 6/3

10:06 pm-11:44 am

1 stop16h 38m

Ontario

Wed 6/11

12:39 pm-3:26 pm

1 stop23h 47m

$204

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Sun 5/25

6:05 am-11:51 pm

1 stop20h 46m

Ontario

Fri 5/30

12:59 am-12:55 am

1 stop20h 56m

$218

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Mon 6/2

5:22 pm-11:50 pm

1 stop9h 28m

Ontario

Thu 6/5

12:59 am-4:27 pm

1 stop12h 28m

$218

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Thu 5/22

5:21 pm-9:15 am

1 stop18h 54m

Ontario

Sat 5/24

5:21 pm-4:24 pm

1 stop20h 03m

$231

DaytonOntario

DAY - ONT

DAYONT

Dayton

Thu 5/29

2:32 pm-7:33 pm

1 stop8h 01m

Ontario

Tue 6/3

12:18 pm-11:33 pm

1 stop8h 15m

$283

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Mon 5/26

6:45 am-1:24 pm

1 stop9h 39m

Ontario

Thu 5/29

12:59 am-12:55 am

1 stop20h 56m

$288

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Wed 6/18

8:12 am-12:17 pm

1 stop7h 05m

Ontario

Tue 6/24

10:05 pm-7:55 am

1 stop6h 50m

$293

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Tue 6/3

5:00 am-11:50 am

2 stops9h 50m

Ontario

Wed 6/11

10:28 pm-9:15 am

1 stop7h 47m

$298

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Thu 5/22

5:21 pm-11:51 pm

1 stop9h 30m

Ontario

Thu 5/29

4:45 pm-5:13 am

1 stop9h 28m

$305

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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 May 1, 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 May 1, 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
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

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
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

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
4,294 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

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
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

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
2,408 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

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 $94. Hawaiian Airlines flights start at $146 while deals on United Airlines start at $152 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, 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$150Average$261FlexibilityNo cancel feeOn-time62%
DeltaCheapest$230Average$406FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$287Average$432FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$468FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$344Average$441FlexibilityNo cancel feeOn-time63%

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