How long is the flight from Wisconsin to Ontario?

For as low as $290, Frontier can have you in Ontario from Wisconsin in 7h 37m. The distance between Wisconsin and Ontario is about 1491 mi. This flight may include one or multiple stops.

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

For one-way options, check prices for Hawaiian Airlines. According to our data, you can fly for as low as $145. Users have also found prices from $145 and $157 on Alaska Airlines and Frontier, respectively.

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 Wisconsin to Ontario?

When deciding which route to take from Wisconsin to Ontario consider Chicago O'Hare Intl - Ontario, Minneapolis St Paul - Ontario or Milwaukee-Mitchell - Ontario as they are the most popular.

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

American Airlines, Delta and United Airlines are the most popular airlines when flying from Wisconsin to Ontario.

What airport do you fly into for flights to Ontario from Wisconsin?

If you book a flight to Ontario from Wisconsin, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

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

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

How can I find direct flights from Wisconsin to Ontario?

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

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

Yes. Cheapflights offers flight deals from Wisconsin 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.

$68+ Cheap Flights from Wisconsin to Ontario

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Cheap flight deals from Wisconsin to Ontario

Round-trip from	$143 (eDestinos)
One-way from	$68 (Trip.com)
Popular in	March
Cheapest in	July
Average price	$378

From Wisconsin to Ontario

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One-way flight from Wisconsin to Ontario

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($44 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($12 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 Wisconsin to Ontario

Cheapest flights from Wisconsin to Ontario
Explore the most affordable flight options available from Wisconsin to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

Sat 10/48:25 amORD - ONT

1 stop24h 58mFrontier

Tue 10/77:04 amONT - ORD

1 stop14h 49mFrontier

Deal found 9/13

$143

Wed 10/2210:00 amMSP - ONT

1 stop25h 35mFrontier

Mon 10/276:53 amONT - MSP

1 stop15h 00mFrontier

Deal found 9/14

$143

Thu 10/236:50 amORD - ONT

1 stop19h 00mFrontier

Sun 10/266:53 amONT - ORD

1 stop15h 00mFrontier

Deal found 9/14

$148

Fri 10/109:49 pmMSP - ONT

1 stop12h 00mFrontier

Mon 10/136:53 amONT - MSP

1 stop15h 00mFrontier

Deal found 9/14

$148

Wed 10/17:20 amORD - ONT

1 stop14h 34mFrontier

Wed 10/86:53 amONT - ORD

1 stop15h 00mFrontier

Deal found 9/15

$149

Sat 10/117:05 amORD - ONT

1 stop18h 45mFrontier

Sat 10/188:34 amONT - ORD

1 stop13h 25mFrontier

Deal found 9/13

$153

Thu 10/236:00 amMSP - ONT

1 stop5h 35mFrontier

Sat 11/112:05 pmONT - MSP

1 stop10h 09mFrontier

Deal found 9/15

$153

Thu 9/254:03 pmORD - ONT

1 stop28h 32mFrontier

Tue 9/308:59 pmONT - ORD

1 stop22h 29mFrontier

Deal found 9/16

$155

Sat 11/17:15 amORD - ONT

1 stop5h 55mFrontier

Fri 11/74:05 pmONT - ORD

1 stop6h 10mFrontier

Deal found 9/15

$156

Fri 10/249:49 pmMSP - ONT

1 stop12h 00mFrontier

Tue 10/286:53 amONT - MSP

1 stop15h 02mFrontier

Deal found 9/16

$156

Fri 10/311:36 pmORD - ONT

1 stop7h 13mFrontier

Mon 11/34:05 pmONT - ORD

1 stop6h 10mFrontier

Deal found 9/16

$157

Mon 11/106:00 amORD - ONT

1 stop7h 10mFrontier

Sat 11/1512:05 pmONT - ORD

1 stop10h 07mFrontier

Deal found 9/16

$158

Best flights from Wisconsin to Ontario
Discover carefully curated flight deals from Wisconsin 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.

Fri 10/179:49 pmMSP - ONT

1 stop12h 00mFrontier

Mon 10/206:53 amONT - MSP

1 stop24h 12mFrontier

Deal found 9/14

$148

Sat 11/152:32 pmATW - ONT

1 stop9h 59mUnited Airlines

Sat 1/177:00 amONT - ATW

1 stop7h 48mUnited Airlines

Deal found 9/14

$289

Wed 10/227:00 amMSP - ONT

1 stop7h 37mAlaska Airlines

Wed 10/2911:59 amONT - MSP

1 stop10h 05mAlaska Airlines

Deal found 9/16

$290

Sat 10/253:09 pmMSP - ONT

1 stop9h 32mDelta

Thu 10/305:50 pmONT - MSP

1 stop9h 22mDelta

Deal found 9/15

$291

Wed 10/297:00 amMKE - ONT

1 stop10h 24mAmerican Airlines

Wed 11/56:20 amONT - MKE

1 stop6h 04mAmerican Airlines

Deal found 9/14

$312

Thu 9/252:45 pmATW - ONT

2 stops18h 32mMultiple Airlines

Sun 9/288:07 amONT - ATW

1 stop13h 10mMultiple Airlines

Deal found 9/15

$441

Tue 10/287:00 amMSP - ONT

1 stop10h 17mAlaska Airlines

Thu 10/3011:59 amONT - MSP

1 stop10h 05mAlaska Airlines

Deal found 9/15

$290

Wed 11/512:05 pmATW - ONT

2 stops11h 15mDelta

Sun 11/96:00 amONT - ATW

2 stops9h 22mDelta

Deal found 9/15

$299

Wed 10/229:58 amMSP - ONT

2 stops9h 25mUnited Airlines

Tue 10/286:38 pmONT - MSP

2 stops12h 16mUnited Airlines

Deal found 9/15

$301

Sat 10/186:13 amMKE - ONT

1 stop9h 30mAmerican Airlines

Tue 10/216:15 amONT - MKE

1 stop16h 05mAmerican Airlines

Deal found 9/14

$322

Wed 11/122:48 pmMSP - ONT

1 stop8h 05mAlaska Airlines

Wed 12/1012:13 pmONT - MSP

1 stop9h 46mAlaska Airlines

Deal found 9/16

$303

Tue 1/611:00 amMSP - ONT

1 stop7h 19mDelta

Wed 1/146:00 amONT - MSP

1 stop6h 42mDelta

Deal found 9/16

$317

Fri 9/267:59 pmMSN - ONT

1 stop25h 55mFrontier

Sun 9/288:59 pmONT - MSN

1 stop20h 15mFrontier

Deal found 9/15

$365

Sat 10/186:13 amMKE - ONT

2 stops11h 11mAmerican Airlines

Mon 10/2011:59 pmONT - MKE

1 stop8h 44mAmerican Airlines

Deal found 9/14

$342

Tue 1/611:00 amMSP - ONT

1 stop7h 19mDelta

Tue 1/136:00 amONT - MSP

1 stop6h 42mDelta

Deal found 9/16

$317

Sat 2/144:23 pmMSN - ONT

1 stop6h 56mUnited Airlines

Sat 2/211:00 pmONT - MSN

1 stop5h 53mUnited Airlines

Deal found 9/14

$374

Sat 10/116:45 amMSN - ONT

1 stop7h 12mAmerican Airlines

Tue 10/146:15 amONT - MSN

1 stop5h 45mAmerican Airlines

Deal found 9/16

$354

Sat 10/2511:00 amMSP - ONT

1 stop8h 10mDelta

Fri 10/317:05 amONT - MSP

1 stop10h 19mDelta

Deal found 9/15

$324

Sat 11/13:42 pmATW - ONT

1 stop8h 49mUnited Airlines

Tue 11/47:00 amONT - ATW

1 stop7h 42mUnited Airlines

Deal found 9/14

$379

Wed 11/58:00 amORD - ONT

1 stop9h 17mAlaska Airlines

Sun 11/96:00 amONT - ORD

1 stop8h 57mAlaska Airlines

Deal found 9/14

$387

Wed 10/298:00 amMSP - ONT

1 stop6h 14mDelta

Fri 10/311:15 pmONT - MSP

1 stop5h 41mDelta

Deal found 9/15

$324

Wed 10/2212:37 pmATW - ONT

2 stops9h 47mUnited Airlines

Sat 10/257:02 amONT - ATW

1 stop6h 09mUnited Airlines

Deal found 9/16

$384

Tue 12/28:00 amORD - ONT

1 stop9h 21mAlaska Airlines

Wed 12/1012:13 pmONT - ORD

1 stop8h 17mAlaska Airlines

Deal found 9/13

$387

Mon 10/64:46 pmMKE - ONT

1 stop7h 36mDelta

Wed 10/810:00 pmONT - MKE

1 stop9h 26mDelta

Deal found 9/15

$327

Wed 2/181:04 pmMSN - ONT

2 stops11h 53mUnited Airlines

Wed 2/251:00 pmONT - MSN

1 stop5h 53mUnited Airlines

Deal found 9/14

$384

Thu 12/43:35 pmORD - ONT

1 stop9h 54mAlaska Airlines

Wed 12/106:00 amONT - ORD

1 stop8h 55mAlaska Airlines

Deal found 9/13

$387

Mon 10/64:46 pmMKE - ONT

1 stop7h 36mDelta

Tue 10/710:00 pmONT - MKE

1 stop9h 26mDelta

Deal found 9/14

$327

Wed 10/810:51 amMSN - ONT

2 stops11h 33mUnited Airlines

Sat 10/111:15 pmONT - MSN

1 stop5h 47mUnited Airlines

Deal found 9/15

$384

Tue 2/242:20 pmMSP - ONT

1 stop10h 18mDelta

Thu 2/266:45 amONT - MSP

1 stop8h 45mDelta

Deal found 9/13

$330

Tue 11/253:31 pmORD - ONT

1 stop10h 28mAlaska Airlines

Thu 11/276:00 amONT - ORD

1 stop9h 06mAlaska Airlines

Deal found 9/14

$416

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

Thu 9/254:03 pmORD - ONT

1 stop28h 32mFrontier

Tue 9/308:59 pmONT - ORD

1 stop22h 29mFrontier

Deal found 9/16

$155

Wed 10/17:20 amORD - ONT

1 stop14h 34mFrontier

Wed 10/156:53 amONT - ORD

1 stop15h 00mFrontier

Deal found 9/15

$149

Sat 10/48:25 amORD - ONT

1 stop24h 58mFrontier

Tue 10/77:04 amONT - ORD

1 stop14h 49mFrontier

Deal found 9/13

$143

Thu 10/95:25 amORD - ONT

1 stop12h 07mFrontier

Thu 10/1612:32 pmONT - ORD

1 stop9h 54mFrontier

Deal found 9/15

$158

Fri 10/109:49 pmMSP - ONT

1 stop12h 00mFrontier

Sun 10/126:53 amONT - MSP

1 stop24h 12mFrontier

Deal found 9/14

$148

Sat 10/117:05 amORD - ONT

1 stop18h 45mFrontier

Sat 10/188:34 amONT - ORD

1 stop13h 25mFrontier

Deal found 9/13

$153

Wed 10/2210:00 amMSP - ONT

1 stop25h 35mFrontier

Sun 10/266:53 amONT - MSP

1 stop24h 12mFrontier

Deal found 9/14

$143

Thu 10/236:50 amORD - ONT

1 stop19h 00mFrontier

Sun 10/266:53 amONT - ORD

1 stop15h 00mFrontier

Deal found 9/14

$148

Thu 10/236:00 amMSP - ONT

1 stop5h 35mFrontier

Sat 11/112:05 pmONT - MSP

1 stop10h 09mFrontier

Deal found 9/15

$153

Thu 10/236:00 amMSP - ONT

1 stop5h 35mFrontier

Fri 10/248:34 amONT - MSP

1 stop10h 20mFrontier

Deal found 9/15

$158

Fri 10/249:49 pmMSP - ONT

1 stop12h 00mFrontier

Tue 10/286:53 amONT - MSP

1 stop15h 02mFrontier

Deal found 9/16

$156

Fri 10/311:36 pmORD - ONT

1 stop7h 13mFrontier

Mon 11/34:05 pmONT - ORD

1 stop6h 10mFrontier

Deal found 9/16

$157

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

Tue 10/287:50 amMSP - ONT

1 stop18h 00mFrontier

Deal found 9/16

$68

Sun 11/166:00 amORD - ONT

1 stop7h 10mFrontier

Deal found 9/14

$78

Sun 11/91:36 pmORD - ONT

1 stop7h 13mFrontier

Deal found 9/14

$79

Fri 10/311:36 pmORD - ONT

1 stop7h 13mFrontier

Deal found 9/16

$80

Thu 10/236:50 amORD - ONT

1 stop19h 00mFrontier

Deal found 9/15

$83

Thu 10/236:00 amMSP - ONT

1 stop19h 50mFrontier

Deal found 9/15

$84

Sun 10/199:54 pmORD - ONT

1 stop11h 53mFrontier

Deal found 9/14

$85

Thu 9/254:03 pmORD - ONT

1 stop28h 32mFrontier

Deal found 9/14

$86

Thu 10/25:35 amORD - ONT

1 stop16h 19mFrontier

Deal found 9/16

$90

Wed 11/57:20 amORD - ONT

1 stop18h 30mFrontier

Deal found 9/16

$91

Wed 12/38:00 amMSP - ONT

1 stop28h 57mFrontier

Deal found 9/14

$91

Tue 9/237:20 amORD - ONT

1 stop14h 34mFrontier

Deal found 9/14

$98

Fly from

Fly to

Route

Depart

Return

Price

MinneapolisOntario

MSP - ONT

MSPONT

Minneapolis St Paul

Fri 10/17

9:49 pm-7:49 am

1 stop12h 00m

Ontario

Mon 10/20

6:53 am-9:05 am

1 stop24h 12m

$148

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

Sat 11/15

2:32 pm-10:31 pm

1 stop9h 59m

Ontario

Sat 1/17

7:00 am-4:48 pm

1 stop7h 48m

$289

MinneapolisOntario

MSP - ONT

MSPONT

Minneapolis St Paul

Wed 10/22

7:00 am-12:37 pm

1 stop7h 37m

Ontario

Wed 10/29

11:59 am-12:04 am

1 stop10h 05m

$290

MinneapolisOntario

MSP - ONT

MSPONT

Minneapolis St Paul

Tue 10/28

7:00 am-3:17 pm

1 stop10h 17m

Ontario

Thu 10/30

11:59 am-12:04 am

1 stop10h 05m

$290

MinneapolisOntario

MSP - ONT

MSPONT

Minneapolis St Paul

Sat 10/25

3:09 pm-10:41 pm

1 stop9h 32m

Ontario

Thu 10/30

5:50 pm-5:12 am

1 stop9h 22m

$291

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

Wed 11/5

12:05 pm-9:20 pm

2 stops11h 15m

Ontario

Sun 11/9

6:00 am-5:22 pm

2 stops9h 22m

$299

MinneapolisOntario

MSP - ONT

MSPONT

Minneapolis St Paul

Wed 10/22

9:58 am-5:23 pm

2 stops9h 25m

Ontario

Tue 10/28

6:38 pm-8:54 am

2 stops12h 16m

$301

MinneapolisOntario

MSP - ONT

MSPONT

Minneapolis St Paul

Wed 11/12

2:48 pm-8:53 pm

1 stop8h 05m

Ontario

Wed 12/10

12:13 pm-11:59 pm

1 stop9h 46m

$303

MilwaukeeOntario

MKE - ONT

MKEONT

Milwaukee-Mitchell

Wed 10/29

7:00 am-3:24 pm

1 stop10h 24m

Ontario

Wed 11/5

6:20 am-2:24 pm

1 stop6h 04m

$312

MinneapolisOntario

MSP - ONT

MSPONT

Minneapolis St Paul

Tue 1/6

11:00 am-4:19 pm

1 stop7h 19m

Ontario

Wed 1/14

6:00 am-2:42 pm

1 stop6h 42m

$317

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 Wisconsin to Ontario

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

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

Currently, August is the cheapest month in which you can book a flight from Wisconsin to Ontario (average of $246). Flying from Wisconsin 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 WI to ONT?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Wisconsin to Ontario as you normally would.

Related info for your journey

What airport do you fly into for flights to Ontario from Wisconsin?
If you book a flight to Ontario from Wisconsin, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.
How long is the flight from Wisconsin to Ontario?
For as low as $290, Frontier can have you in Ontario from Wisconsin in 7h 37m. The distance between Wisconsin and Ontario is about 1491 mi. This flight may include one or multiple stops.
What are the cheapest airlines to fly from Wisconsin to Ontario one-way?
For one-way options, check prices for Hawaiian Airlines. According to our data, you can fly for as low as $145. Users have also found prices from $145 and $157 on Alaska Airlines and Frontier, respectively.
What are the most popular routes from Wisconsin to Ontario?
When deciding which route to take from Wisconsin to Ontario consider Chicago O'Hare Intl - Ontario, Minneapolis St Paul - Ontario or Milwaukee-Mitchell - Ontario as they are the most popular.
Can I find deals for flights from Wisconsin to Ontario that include hotel bookings?
Yes. In addition to deals on Wisconsin to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Wisconsin to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Wisconsin to Ontario.
Can I find deals for business class flights from Wisconsin to Ontario?
Yes. Cheapflights offers flight deals from Wisconsin 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 Wisconsin to Ontario?
Currently, August is the cheapest month in which you can book a flight from Wisconsin to Ontario (average of $246). Flying from Wisconsin 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

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Top 5 airlines flying from Wisconsin to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$127	Average$162	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$288	Average$373	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$288	Average$448	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$304	Average$468	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$336	Average$420	FlexibilityNo cancel fee	On-time63%

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$68+ Cheap flights from Wisconsin 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Wisconsin to Ontario with Cheapflights

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Cheap flight deals from Wisconsin to Ontario

Keep the following information in mind while searching for Wisconsin 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 Wisconsin to Ontario

Cheapest flights from Wisconsin to OntarioExplore the most affordable flight options available from Wisconsin 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 Wisconsin 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 Wisconsin to Ontario that are best for you.

Best time to book a flight from Wisconsin to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Wisconsin with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Wisconsin to Ontario

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

What is the cheapest time of day to fly from WI to ONT?

Find hourly flight availability from Wisconsin 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 Wisconsin 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 Wisconsin?

How long is the flight from Wisconsin to Ontario?

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

What are the most popular routes from Wisconsin to Ontario?

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

How can I find direct flights from Wisconsin to Ontario?

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Wisconsin to Ontario

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

Top 5 airlines flying from Wisconsin to Ontario

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Cheapest flights from Wisconsin to Ontario
Explore the most affordable flight options available from Wisconsin to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.