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$74+ Cheap flights from Ontario (ONT) to Ohio

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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CVG
Jan 26 — Feb 21
Mon 1/26
Mon 2/2
1 adult, Economy
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Cheap flight deals from Ontario to Ohio

Cheapest flights from Ontario to Ohio
Explore the most affordable flight options available from Ontario to Ohio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 27, 2025.

This Frontier deal was found by Cheapflights users on 12/24. 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.
Wed 12/316:00 pmONT - DTW
1 stop9h 54mFrontier
Mon 1/512:29 pmDTW - ONT
1 stop8h 01mFrontier
Deal found 12/24$308
This CheapOair deal was found by Cheapflights users on 12/24. 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.
Wed 12/316:00 pmONT - DTW
1 stop9h 54mFrontier
Sun 1/410:01 pmDTW - ONT
1 stop28h 58mFrontier
Deal found 12/24$313
This Frontier deal was found by Cheapflights users on 12/24. 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 12/256:45 amONT - DTW
1 stop11h 21mFrontier
Thu 1/17:50 amDTW - ONT
1 stop12h 32mFrontier
Deal found 12/24$324
This Frontier deal was found by Cheapflights users on 12/24. 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 12/256:00 amONT - CLE
1 stop8h 24mFrontier
Thu 1/17:00 amCLE - ONT
1 stop13h 22mFrontier
Deal found 12/24$324
This CheapOair deal was found by Cheapflights users on 12/24. 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.
Mon 12/296:00 amONT - CLE
1 stop8h 59mFrontier
Sat 1/104:49 pmCLE - ONT
1 stop26h 31mFrontier
Deal found 12/24$333
This CheapOair deal was found by Cheapflights users on 12/24. 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.
Thu 12/256:45 amONT - DTW
1 stop11h 21mFrontier
Sat 1/37:50 amDTW - ONT
1 stop18h 31mFrontier
Deal found 12/24$339
This Frontier deal was found by Cheapflights users on 12/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amONT - CLE
1 stop8h 24mFrontier
Wed 1/79:18 pmCLE - ONT
1 stop13h 18mFrontier
Deal found 12/25$353
This CheapOair deal was found by Cheapflights users on 12/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:14 amONT - DTW
1 stop6h 52mFrontier
Mon 1/57:50 amDTW - ONT
1 stop16h 27mFrontier
Deal found 12/25$354
This CheapOair deal was found by Cheapflights users on 12/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:45 amONT - CVG
1 stop27h 28mFrontier
Mon 1/58:20 pmCVG - ONT
1 stop21h 49mFrontier
Deal found 12/26$354
This Frontier deal was found by Cheapflights users on 12/24. 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.
Wed 12/316:00 pmONT - DTW
1 stop9h 54mFrontier
Sat 1/37:50 amDTW - ONT
1 stop11h 41mFrontier
Deal found 12/24$357
This CheapOair deal was found by Cheapflights users on 12/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:37 pmONT - DTW
1 stop9h 17mFrontier
Mon 1/57:50 amDTW - ONT
1 stop16h 27mFrontier
Deal found 12/26$374
This CheapOair deal was found by Cheapflights users on 12/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:16 pmONT - CLE
1 stop22h 08mFrontier
Sat 1/104:49 pmCLE - ONT
1 stop28h 35mFrontier
Deal found 12/26$374

Find flight deals from Ontario to Ohio

Keep the following information in mind while searching for Ontario to Ohio flight deals. Data was last updated December 27, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$149
(CheapOair)

One-way from

$74
(Frontier)

Popular in

December

Cheapest in

May

Average price

$488
Provider with most accurate pricing for Los Angeles-Cleveland Hopkins Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Cleveland Hopkins Intl flights.
Search Deals
From Ontario to Ohio
Search Deals
One-way flight from Ontario to Ohio
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Ohio 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 December 27, 2025.
Use the filters below to find and compare flights from Ontario to Ohio that are best for you.

Fly from

Ontario

Fly to

Ohio

Route

Depart

Return

Price

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Thu 2/26

2:08 pm-11:55 pm

1 stop6h 47m

Detroit Metropolitan Wayne County

Mon 3/2

6:52 pm-11:59 pm

1 stop8h 07m

$182

OntarioColumbus

ONT - CMH

ONTCMH

Ontario

Thu 2/19

6:05 am-7:23 pm

1 stop10h 18m

Columbus

Mon 2/23

8:13 pm-11:59 pm

1 stop6h 46m

$182

OntarioColumbus

ONT - CMH

ONTCMH

Ontario

Thu 2/26

6:05 am-7:23 pm

1 stop10h 18m

Columbus

Mon 3/2

8:13 pm-11:59 pm

1 stop6h 46m

$182

OntarioCleveland

ONT - CLE

ONTCLE

Ontario

Thu 2/19

6:05 am-8:55 pm

1 stop11h 50m

Cleveland Hopkins Intl

Mon 2/23

7:15 am-1:11 pm

1 stop8h 56m

$182

OntarioCleveland

ONT - CLE

ONTCLE

Ontario

Thu 1/22

6:20 am-6:49 pm

1 stop9h 29m

Cleveland Hopkins Intl

Mon 1/26

9:15 am-7:10 pm

1 stop12h 55m

$182

OntarioCleveland

ONT - CLE

ONTCLE

Ontario

Tue 1/13

6:49 pm-3:38 pm

1 stop17h 49m

Cleveland Hopkins Intl

Sat 1/17

4:48 pm-7:37 am

1 stop17h 49m

$183

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Fri 1/30

6:20 am-4:19 pm

1 stop6h 59m

Detroit Metropolitan Wayne County

Sun 2/1

5:14 pm-12:20 am

1 stop10h 06m

$197

OntarioCleveland

ONT - CLE

ONTCLE

Ontario

Thu 1/15

6:10 am-11:09 am

1 stop25h 59m

Cleveland Hopkins Intl

Mon 1/19

12:19 pm-3:07 pm

1 stop29h 48m

$202

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Wed 2/25

8:40 am-11:40 pm

1 stop12h 00m

Detroit Metropolitan Wayne County

Mon 3/2

6:52 pm-11:59 pm

1 stop8h 07m

$203

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Mon 1/26

1:05 pm-11:58 pm

1 stop7h 53m

Cincinnati Cinci./N. Kentucky

Thu 1/29

1:45 pm-12:20 am

1 stop13h 35m

$203

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to Ohio

Have a flexible travel schedule? Discover the best time to fly to Ohio from Ontario 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 Ontario to Ohio

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

Currently, May is the cheapest month in which you can book a flight from Ontario to Ohio (average of $97). Flying from Ontario to Ohio in November is currently the most expensive (average of $165). 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 ONT to OH?

Find hourly flight availability from Ontario to Ohio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 27, 2025.

It’s typically best to fly out from Ontario to Ohio in the afternoon. Doing so could potentially save you 30% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing Ohio

Get insights into the airlines that provide service to Ohio. 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 Ohio. Reviews last updated December 27, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Ontario to Ohio have to say. 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
8.0
Very good
4,258 reviews

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
8.0
Very good
4,258 reviews
Southwest
8.0
Very good
4,258 reviews

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Delta
7.9
Good
8,018 reviews
Southwest
8.0
Very good
4,258 reviews

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
United Airlines
7.4
Good
9,116 reviews
Southwest
8.0
Very good
4,258 reviews

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.2
Good
11,068 reviews
Southwest
8.0
Very good
4,258 reviews

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Frontier
5.8
Fair
3,071 reviews
Southwest
8.0
Very good
4,258 reviews

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Ohio. 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 from for flights from Ontario to Ohio?

    Most people fly from Ontario (ONT) if they book a flight from Ontario to Ohio. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • How long is the flight from Ontario to Ohio?

    For as low as $182, Frontier can have you in Ohio from Ontario in 6h 47m. Ontario and Ohio are separated by a distance of 1929 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Ontario to Ohio one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $64. American Airlines flights start at $111 while deals on Delta start at $148 one-way.

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

    Most travelers choose Ontario - Detroit Metropolitan Wayne County, Ontario - Cleveland Hopkins Intl or Ontario - Pittsburgh when deciding on the best route from Ontario to Ohio.

  • Can I find deals for flights from Ontario to Ohio that include hotel bookings?

    Yes. In addition to deals on Ontario to Ohio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Ohio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Ohio.

  • Can I find deals for business class flights from Ontario to Ohio?

    Yes. Cheapflights offers flight deals from Ontario to Ohio 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 Ontario to Ohio?

    Currently, May is the cheapest month in which you can book a flight from Ontario to Ohio (average of $97). Flying from Ontario to Ohio in November is currently the most expensive (average of $165). 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 Ontario to Ohio

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Ontario to Ohio

Discover the top 5 airlines that operate flights from Ontario to Ohio. 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 December 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$138Average$406FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$139Average$271FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$228Average$426FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$279Average$461FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$306Average$431FlexibilityNo cancel feeOn-time63%

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