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$119+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
CVG — ONT
Aug 7 — Aug 141
Thu 8/7
Thu 8/14
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 August 2, 2025.

Round-trip from

$235
(Cheapflightsfares)

One-way from

$119
(Frontier)

Popular in

December

Cheapest in

January

Average price

$308
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 ($9 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 August 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 August 2, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/31. 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.
Sat 8/95:44 pmCLE - ONT
1 stop7h 08mFrontier
Sat 8/167:00 amONT - CLE
1 stop6h 34mFrontier
Deal found 7/31$216
This FlightHub deal was found by Cheapflights users on 7/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/57:15 amCVG - ONT
1 stop19h 35mFrontier
Tue 8/125:21 pmONT - CVG
1 stop28h 33mFrontier
Deal found 7/31$245
This FlightHub deal was found by Cheapflights users on 8/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/48:00 amDTW - ONT
1 stop26h 23mFrontier
Tue 10/712:59 amONT - DTW
1 stop20h 46mFrontier
Deal found 8/1$245
This Frontier deal was found by Cheapflights users on 8/1. 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 10/245:28 pmPIT - ONT
1 stop9h 22mFrontier
Sat 10/2512:59 amONT - PIT
1 stop12h 34mFrontier
Deal found 8/1$278
This Trip.com deal was found by Cheapflights users on 7/31. 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 9/1312:53 pmCMH - ONT
1 stop12h 03mMultiple Airlines
Sat 9/208:00 amONT - CMH
1 stop11h 45mMultiple Airlines
Deal found 7/31$283
This FlightHub deal was found by Cheapflights users on 7/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/218:30 pmCMH - ONT
1 stop6h 20mFrontier
Sat 8/2312:59 amONT - CMH
1 stop15h 46mFrontier
Deal found 7/31$285
This Delta deal was found by Cheapflights users on 7/31. 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 8/276:00 amDAY - ONT
1 stop7h 35mDelta
Sat 8/3011:45 amONT - DAY
1 stop9h 11mDelta
Deal found 7/31$289
This American Airlines deal was found by Cheapflights users on 8/1. 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 8/222:49 pmCLE - ONT
1 stop6h 35mAmerican Airlines
Sun 8/2412:22 pmONT - CLE
2 stops8h 52mAmerican Airlines
Deal found 8/1$292
This American Airlines deal was found by Cheapflights users on 7/31. 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 9/207:50 amPIT - ONT
1 stop7h 06mAmerican Airlines
Sat 9/271:10 pmONT - PIT
1 stop6h 45mAmerican Airlines
Deal found 7/31$293
This American Airlines deal was found by Cheapflights users on 8/1. 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.
Wed 8/2712:32 pmDAY - ONT
1 stop8h 52mAmerican Airlines
Wed 9/36:10 amONT - DAY
2 stops11h 51mAmerican Airlines
Deal found 8/1$294
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:08 amPIT - ONT
1 stop9h 04mAlaska Airlines
Tue 10/76:00 amONT - PIT
1 stop9h 56mAlaska Airlines
Deal found 7/30$294
This Delta deal was found by Cheapflights users on 8/1. 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 9/246:15 pmCLE - ONT
1 stop7h 08mDelta
Thu 10/231:15 pmONT - CLE
1 stop6h 48mDelta
Deal found 8/1$297

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 August 2, 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 9/10

6:25 pm-9:56 pm

1 stop6h 31m

Ontario

Tue 9/16

8:00 am-5:30 pm

1 stop6h 30m

$235

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Tue 8/5

7:15 am-11:50 pm

1 stop19h 35m

Ontario

Mon 8/11

12:59 am-12:54 am

1 stop20h 55m

$245

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Sat 10/4

8:00 am-7:23 am

1 stop26h 23m

Ontario

Tue 10/7

12:59 am-12:45 am

1 stop20h 46m

$245

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Fri 10/24

5:28 pm-11:50 pm

1 stop9h 22m

Ontario

Sat 10/25

12:59 am-4:33 pm

1 stop12h 34m

$278

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Sat 9/13

12:53 pm-9:56 pm

1 stop12h 03m

Ontario

Sat 9/20

8:00 am-10:45 pm

1 stop11h 45m

$283

ColumbusOntario

CMH - ONT

CMHONT

Columbus

Thu 8/21

8:30 pm-8:45 am

1 stop15h 15m

Ontario

Sun 8/24

5:09 pm-7:42 pm

1 stop23h 33m

$285

DaytonOntario

DAY - ONT

DAYONT

Dayton

Wed 8/27

6:00 am-10:35 am

1 stop7h 35m

Ontario

Sat 8/30

11:45 am-11:56 pm

1 stop9h 11m

$289

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Fri 8/22

2:49 pm-6:24 pm

1 stop6h 35m

Ontario

Sun 8/24

12:22 pm-12:14 am

2 stops8h 52m

$292

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Sat 9/20

7:50 am-11:56 am

1 stop7h 06m

Ontario

Sat 9/27

1:10 pm-10:55 pm

1 stop6h 45m

$293

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Wed 10/1

8:08 am-2:12 pm

1 stop9h 04m

Ontario

Tue 10/7

6:00 am-6:56 pm

1 stop9h 56m

$294

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

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 August 2, 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.

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 August 2, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Ohio to Ontario by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

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
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

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
7,983 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

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
8,904 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

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 $119. Hawaiian Airlines flights start at $147 while deals on Delta start at $149 one-way.

  • What are the most popular routes from Ohio to Ontario?

    Most travelers choose Columbus - Ontario, Detroit Metropolitan Wayne County - 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 August 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$146Average$269FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$228Average$418FlexibilityNo cancel feeOn-time69%
DeltaCheapest$230Average$405FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$250Average$407FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$341Average$443FlexibilityNo cancel feeOn-time63%

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