How long is the flight from Ohio to Ontario?

A quick flight from Ohio to Ontario can take about 7h 33m. Frontier provides one of the quickest options available for as low as $289. There are 1873 mi between Ohio and Ontario. 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 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 $84. Delta flights start at $158 while deals on United Airlines start at $158 one-way.

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.

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).

What are the most popular routes from Ohio to Ontario?

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

What are the most popular airlines that fly from Ohio to Ontario?

When booking a flight from Ohio to Ontario, you may want to consider flying on American Airlines, Delta or Frontier as they are the most popular for this route.

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.

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.

$80+ Cheap Flights from Ohio to Ontario

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Cheap flight deals from Ohio to Ontario

Round-trip from	$148 (Mytrip)
One-way from	$80 (Kiwi.com)
Popular in	December
Cheapest in	January
Average price	$349

From Ohio to Ontario

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One-way flight from Ohio to Ontario

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High demand for flights, 0% potential price rise

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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).

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Average for round-trip flights in September 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 September 16, 2025.

Thu 10/166:00 amDTW - ONT

1 stop20h 50mFrontier

Mon 10/206:53 amONT - DTW

1 stop15h 06mFrontier

Deal found 9/14

$148

Thu 10/236:00 amDTW - ONT

1 stop20h 50mFrontier

Sat 10/257:04 amONT - DTW

1 stop14h 55mFrontier

Deal found 9/14

$149

Mon 10/206:05 amCVG - ONT

1 stop6h 30mFrontier

Sat 10/257:04 amONT - CVG

1 stop13h 55mFrontier

Deal found 9/14

$150

Thu 11/136:05 amCVG - ONT

1 stop20h 45mFrontier

Sat 11/1512:05 pmONT - CVG

1 stop8h 54mFrontier

Deal found 9/16

$151

Thu 10/28:11 pmCLE - ONT

1 stop26h 43mFrontier

Sun 10/58:59 pmONT - CLE

1 stop19h 07mFrontier

Deal found 9/15

$151

Wed 10/296:05 amCVG - ONT

1 stop20h 45mFrontier

Mon 11/34:05 pmONT - CVG

1 stop6h 34mFrontier

Deal found 9/16

$152

Fri 10/38:11 pmCLE - ONT

1 stop26h 43mFrontier

Sun 10/57:15 pmONT - CLE

1 stop12h 47mFrontier

Deal found 9/16

$152

Thu 10/23:21 pmCVG - ONT

1 stop19h 32mFrontier

Mon 10/612:13 pmONT - CVG

1 stop6h 46mFrontier

Deal found 9/15

$153

Wed 10/86:00 amDTW - ONT

1 stop20h 50mFrontier

Sat 10/188:34 amONT - DTW

1 stop7h 59mFrontier

Deal found 9/16

$153

Fri 10/249:10 pmCVG - ONT

1 stop26h 32mFrontier

Tue 10/286:53 amONT - CVG

1 stop15h 46mFrontier

Deal found 9/15

$156

Sat 10/118:00 amCVG - ONT

1 stop18h 50mFrontier

Thu 10/166:05 amONT - CVG

1 stop21h 49mFrontier

Deal found 9/15

$157

Mon 9/298:00 amCVG - ONT

1 stop9h 00mFrontier

Mon 10/612:13 pmONT - CVG

1 stop6h 46mFrontier

Deal found 9/16

$158

Best flights from Ohio to Ontario
Discover carefully curated flight deals from Ohio to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2025.

Tue 10/148:00 amCVG - ONT

1 stop18h 50mFrontier

Tue 10/217:04 amONT - CVG

1 stop13h 55mFrontier

Deal found 9/16

$151

Sat 11/225:58 pmDAY - ONT

1 stop7h 33mUnited Airlines

Sat 12/61:34 pmONT - DAY

1 stop5h 55mUnited Airlines

Deal found 9/16

$289

Wed 11/53:17 pmDAY - ONT

1 stop10h 05mDelta

Tue 11/1110:25 pmONT - DAY

1 stop9h 09mDelta

Deal found 9/16

$289

Tue 1/138:00 amCLE - ONT

1 stop10h 12mAlaska Airlines

Wed 1/216:00 amONT - CLE

1 stop9h 55mAlaska Airlines

Deal found 9/16

$316

Sun 9/2112:02 pmCVG - ONT

1 stop9h 33mFrontier

Thu 10/26:00 amONT - CVG

1 stop6h 43mFrontier

Deal found 9/14

$162

Tue 10/286:24 pmCMH - ONT

1 stop19h 41mMultiple Airlines

Fri 10/316:53 amONT - CMH

1 stop9h 15mMultiple Airlines

Deal found 9/14

$327

Sun 11/165:10 amPIT - ONT

1 stop7h 00mSouthwest

Mon 11/242:15 pmONT - PIT

1 stop6h 15mSouthwest

Deal found 9/14

$333

Sat 9/278:00 amCLE - ONT

1 stop7h 43mFrontier

Sat 10/48:00 amONT - CLE

1 stop6h 30mFrontier

Deal found 9/13

$170

Thu 10/306:09 amPIT - ONT

2 stops8h 52mAmerican Airlines

Tue 11/119:59 amONT - PIT

2 stops9h 07mAmerican Airlines

Deal found 9/14

$386

Tue 10/712:16 pmDTW - ONT

1 stop12h 13mJetBlue

Sat 10/1110:56 pmONT - DTW

1 stop9h 34mJetBlue

Deal found 9/13

$407

Fri 9/268:11 pmCLE - ONT

1 stop26h 43mFrontier

Mon 9/292:45 pmONT - CLE

1 stop23h 45mFrontier

Deal found 9/14

$172

Mon 9/228:00 amCVG - ONT

1 stop9h 00mFrontier

Fri 9/2612:13 pmONT - CVG

1 stop6h 49mFrontier

Deal found 9/15

$177

Fri 10/311:27 pmCVG - ONT

1 stop13h 23mFrontier

Fri 11/74:05 pmONT - CVG

1 stop6h 34mFrontier

Deal found 9/16

$177

Thu 10/306:05 amCVG - ONT

1 stop8h 05mFrontier

Thu 10/307:44 pmONT - CVG

1 stop8h 10mFrontier

Deal found 9/16

$179

Tue 10/73:17 pmDAY - ONT

1 stop10h 05mDelta

Mon 10/2710:00 pmONT - DAY

1 stop9h 24mDelta

Deal found 9/14

$289

Wed 10/291:58 pmCAK - ONT

2 stops11h 53mUnited Airlines

Sat 11/87:00 amONT - CAK

1 stop7h 06mUnited Airlines

Deal found 9/15

$314

Fri 10/245:25 pmCLE - ONT

1 stop7h 40mFrontier

Mon 10/2711:53 amONT - CLE

1 stop11h 06mFrontier

Deal found 9/14

$186

Thu 11/206:34 pmDAY - ONT

1 stop7h 30mDelta

Fri 12/510:25 pmONT - DAY

1 stop9h 09mDelta

Deal found 9/15

$314

Sat 10/49:25 amDAY - ONT

1 stop6h 26mUnited Airlines

Sat 10/255:05 amONT - DAY

2 stops12h 04mUnited Airlines

Deal found 9/14

$319

Tue 10/76:43 pmCMH - ONT

1 stop20h 54mMultiple Airlines

Sun 10/126:53 amONT - CMH

1 stop8h 20mMultiple Airlines

Deal found 9/14

$371

Fri 10/106:33 pmCLE - ONT

1 stop8h 17mFrontier

Mon 10/136:53 amONT - CLE

1 stop15h 59mFrontier

Deal found 9/14

$191

Sat 10/46:00 amDAY - ONT

1 stop7h 42mDelta

Fri 10/2410:00 pmONT - DAY

1 stop9h 24mDelta

Deal found 9/14

$314

Wed 10/19:25 amDAY - ONT

1 stop6h 26mUnited Airlines

Wed 10/156:27 pmONT - DAY

2 stops12h 23mUnited Airlines

Deal found 9/16

$319

Tue 10/283:45 pmCMH - ONT

2 stops8h 40mSouthwest

Fri 10/316:35 amONT - CMH

2 stops8h 15mSouthwest

Deal found 9/14

$387

Thu 11/204:51 pmDTW - ONT

1 stop9h 41mAlaska Airlines

Tue 11/254:48 pmONT - DTW

1 stop9h 33mAlaska Airlines

Deal found 9/15

$406

Wed 10/812:16 pmDTW - ONT

1 stop12h 13mJetBlue

Sat 10/1810:56 pmONT - DTW

1 stop9h 34mJetBlue

Deal found 9/15

$407

Sat 2/284:00 pmDAY - ONT

1 stop8h 14mDelta

Tue 3/310:30 pmONT - DAY

1 stop9h 08mDelta

Deal found 9/13

$314

Sun 10/1212:01 pmCVG - ONT

1 stop8h 48mFrontier

Mon 10/136:53 amONT - CVG

1 stop15h 46mFrontier

Deal found 9/15

$196

Tue 9/304:48 pmERI - ONT

1 stop7h 36mAmerican Airlines

Sat 10/46:10 amONT - ERI

2 stops12h 26mAmerican Airlines

Deal found 9/15

$422

Sat 11/2210:32 pmPIT - ONT

1 stop18h 54mMultiple Airlines

Sun 12/74:51 pmONT - PIT

1 stop25h 44mMultiple Airlines

Deal found 9/16

$391

Last-minute flights from Ohio to Ontario
Discover last-minute flight deals from Ohio to Ontario. Data last updated September 16, 2025 and is based on user searches.

Mon 9/298:00 amCVG - ONT

1 stop9h 00mFrontier

Mon 10/612:13 pmONT - CVG

1 stop6h 46mFrontier

Deal found 9/16

$158

Thu 10/26:10 amDTW - ONT

1 stop28h 43mFrontier

Sun 10/58:59 pmONT - DTW

1 stop24h 47mFrontier

Deal found 9/14

$149

Thu 10/28:11 pmCLE - ONT

1 stop26h 43mFrontier

Sun 10/58:59 pmONT - CLE

1 stop19h 07mFrontier

Deal found 9/15

$151

Thu 10/23:21 pmCVG - ONT

1 stop19h 32mFrontier

Mon 10/612:13 pmONT - CVG

1 stop6h 46mFrontier

Deal found 9/15

$153

Fri 10/38:11 pmCLE - ONT

1 stop26h 43mFrontier

Sun 10/58:59 pmONT - CLE

1 stop19h 07mFrontier

Deal found 9/16

$150

Tue 10/78:00 amCVG - ONT

1 stop18h 50mFrontier

Wed 10/86:53 amONT - CVG

1 stop14h 06mFrontier

Deal found 9/15

$151

Wed 10/86:00 amDTW - ONT

1 stop20h 50mFrontier

Sat 10/188:34 amONT - DTW

1 stop7h 59mFrontier

Deal found 9/16

$153

Sat 10/118:00 amCVG - ONT

1 stop18h 50mFrontier

Thu 10/166:05 amONT - CVG

1 stop21h 49mFrontier

Deal found 9/15

$157

Thu 10/166:00 amDTW - ONT

1 stop20h 50mFrontier

Mon 10/206:53 amONT - DTW

1 stop15h 06mFrontier

Deal found 9/14

$148

Mon 10/206:05 amCVG - ONT

1 stop6h 30mFrontier

Sat 10/257:04 amONT - CVG

1 stop13h 55mFrontier

Deal found 9/14

$150

Fri 10/249:10 pmCVG - ONT

1 stop26h 32mFrontier

Tue 10/286:53 amONT - CVG

1 stop15h 46mFrontier

Deal found 9/15

$156

Wed 10/296:05 amCVG - ONT

1 stop20h 45mFrontier

Mon 11/34:05 pmONT - CVG

1 stop6h 34mFrontier

Deal found 9/16

$152

One-way flights from Ohio to Ontario
Search for one-way flight options from Ohio to Ontario. Find affordable one-way fares based on user searches. Data last updated September 16, 2025.

Mon 10/68:00 amCVG - ONT

1 stop9h 00mFrontier

Deal found 9/14

$80

Thu 10/166:05 amCVG - ONT

1 stop6h 30mFrontier

Deal found 9/15

$81

Thu 10/24:48 pmCVG - ONT

1 stop7h 08mFrontier

Deal found 9/15

$82

Tue 9/306:25 pmCLE - ONT

1 stop6h 31mFrontier

Deal found 9/15

$84

Sat 11/154:15 pmCLE - ONT

1 stop7h 27mFrontier

Deal found 9/13

$85

Tue 11/186:05 amCVG - ONT

1 stop20h 45mFrontier

Deal found 9/14

$86

Thu 10/309:30 pmCVG - ONT

1 stop12h 47mFrontier

Deal found 9/15

$87

Wed 10/18:00 amCVG - ONT

1 stop14h 54mFrontier

Deal found 9/13

$88

Thu 11/134:15 pmCLE - ONT

1 stop10h 35mFrontier

Deal found 9/14

$91

Fri 10/38:11 pmCLE - ONT

1 stop26h 43mFrontier

Deal found 9/16

$92

Thu 9/254:48 pmCVG - ONT

1 stop7h 08mFrontier

Deal found 9/14

$95

Mon 9/298:00 amCVG - ONT

1 stop9h 00mFrontier

Deal found 9/14

$96

Fly from

Fly to

Route

Depart

Return

Price

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Tue 10/14

8:00 am-11:50 pm

1 stop18h 50m

Ontario

Tue 10/21

7:04 am-11:59 pm

1 stop13h 55m

$151

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Sun 9/21

12:02 pm-6:35 pm

1 stop9h 33m

Ontario

Thu 10/2

6:00 am-3:43 pm

1 stop6h 43m

$162

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Sat 9/27

8:00 am-12:43 pm

1 stop7h 43m

Ontario

Sat 10/4

8:00 am-5:30 pm

1 stop6h 30m

$170

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Fri 9/26

8:11 pm-7:54 pm

1 stop26h 43m

Ontario

Mon 9/29

2:45 pm-5:30 pm

1 stop23h 45m

$172

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Mon 9/22

8:00 am-2:00 pm

1 stop9h 00m

Ontario

Fri 9/26

12:13 pm-10:02 pm

1 stop6h 49m

$177

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Fri 10/31

1:27 pm-11:50 pm

1 stop13h 23m

Ontario

Fri 11/7

4:05 pm-1:39 am

1 stop6h 34m

$177

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Thu 10/30

6:05 am-11:10 am

1 stop8h 05m

Ontario

Thu 10/30

7:44 pm-6:54 am

1 stop8h 10m

$179

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Fri 10/24

5:25 pm-10:05 pm

1 stop7h 40m

Ontario

Mon 10/27

11:53 am-1:59 am

1 stop11h 06m

$186

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

Fri 10/10

6:33 pm-11:50 pm

1 stop8h 17m

Ontario

Mon 10/13

6:53 am-1:52 am

1 stop15h 59m

$191

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Sun 10/12

12:01 pm-5:49 pm

1 stop8h 48m

Ontario

Mon 10/13

6:53 am-1:39 am

1 stop15h 46m

$196

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results

...

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 $327). 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?

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.

Related info for your journey

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.
How long is the flight from Ohio to Ontario?
A quick flight from Ohio to Ontario can take about 7h 33m. Frontier provides one of the quickest options available for as low as $289. There are 1873 mi between Ohio and Ontario. 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 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 $84. Delta flights start at $158 while deals on United Airlines start at $158 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 Pittsburgh - 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 $327). 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

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Ohio to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$147	Average$263	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$228	Average$429	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$250	Average$402	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$254	Average$391	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$341	Average$444	FlexibilityNo cancel fee	On-time63%

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$80+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ohio to Ontario with Cheapflights

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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 September 16, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ohio to Ontario

Cheapest flights from Ohio to OntarioExplore 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 September 16, 2025.

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 September 16, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ohio to Ontario that are best for you.

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.

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?

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 September 16, 2025.

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?

How long is the flight from Ohio to Ontario?

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

What are the most popular routes from Ohio to Ontario?

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

How can I find direct flights from Ohio to Ontario?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ohio to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Ohio to Ontario

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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 September 16, 2025.