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$53+ Cheap flights from Ontario (ONT) to Wisconsin

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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MKE
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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Cheap flight deals from Ontario to Wisconsin

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Wisconsin (USWI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 22, 2024.

Round-trip from

$116
(Gotogate)

One-way from

$60
(Mytrip)
From Ontario to Wisconsin
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One-way flight from Ontario to Wisconsin
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Find flight deals from Ontario to Wisconsin

Cheapest flights from Ontario to Wisconsin
Explore the most affordable flight options available from Ontario to Wisconsin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

This CheapOair deal was found by Cheapflights users on 12/20. 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.
Tue 12/3112:59 amONT - MSP
1 stop20h 57mFrontier
Wed 1/86:00 amMSP - ONT
1 stop19h 44mFrontier
Deal found 12/20$198
This Frontier deal was found by Cheapflights users on 12/21. 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 12/3012:59 amONT - ORD
1 stop10h 21mFrontier
Thu 1/21:07 pmORD - ONT
1 stop12h 52mFrontier
Deal found 12/21$204
This Delta deal was found by Cheapflights users on 12/21. 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.
Tue 12/311:05 pmONT - MSP
1 stop5h 51mDelta
Tue 1/77:05 amMSP - ONT
1 stop7h 21mDelta
Deal found 12/21$341
This American Airlines deal was found by Cheapflights users on 12/20. 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 12/286:10 amONT - MSN
1 stop6h 50mAmerican Airlines
Sun 1/55:45 pmMSN - ONT
1 stop6h 17mAmerican Airlines
Deal found 12/20$408
This Delta deal was found by Cheapflights users on 12/21. 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.
Sun 12/221:15 pmONT - ORD
1 stop6h 24mDelta
Tue 1/77:15 amORD - ONT
1 stop7h 11mDelta
Deal found 12/21$417
This American Airlines deal was found by Cheapflights users on 12/21. 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 12/2112:59 amONT - ORD
1 stop6h 26mAmerican Airlines
Mon 1/61:35 pmORD - ONT
1 stop6h 50mAmerican Airlines
Deal found 12/21$442
This Alaska Airlines deal was found by Cheapflights users on 12/20. 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.
Tue 12/241:28 pmONT - ORD
1 stop8h 31mAlaska Airlines
Mon 1/203:35 pmORD - ONT
1 stop8h 38mAlaska Airlines
Deal found 12/20$488
This United deal was found by Cheapflights users on 12/20. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/311:42 pmONT - ORD
2 stops17h 48mUnited Airlines
Tue 1/77:10 amORD - ONT
1 stop7h 31mUnited Airlines
Deal found 12/20$521
This Delta deal was found by Cheapflights users on 12/20. 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 12/286:52 amONT - MSN
2 stops13h 53mDelta
Sun 1/55:06 pmMSN - ONT
2 stops9h 22mDelta
Deal found 12/20$543
This Southwest deal was found by Cheapflights users on 12/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/275:20 amONT - ORD
1 stop9h 25mSouthwest
Sun 12/293:10 pmORD - ONT
2 stops7h 55mSouthwest
Deal found 12/21$603
This Mytrip deal was found by Cheapflights users on 12/20. 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.
Sat 12/2112:59 amONT - MSN
1 stop7h 55mFrontier
Thu 12/2611:44 amMSN - ONT
1 stop14h 15mFrontier
Deal found 12/20$665
This United Airlines deal was found by Cheapflights users on 12/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/285:05 amONT - MSP
1 stop5h 38mUnited Airlines
Wed 1/15:00 pmMSP - ONT
1 stop5h 49mUnited Airlines
Deal found 12/20$667

Find flights from Ontario to Wisconsin within your budget

Customize your flight search to find flights from Ontario to Wisconsin 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 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioMinneapolis

ONT - MSP

ONTMSP

Ontario

Sat 1/18

6:45 am-10:51 am

1 stop26h 06m

Minneapolis St Paul

Tue 1/21

6:00 am-11:47 pm

1 stop19h 47m

$116

OntarioChicago

ONT - ORD

ONTORD

Ontario

Mon 1/13

11:58 am-12:31 am

1 stop10h 33m

Chicago O'Hare Intl

Mon 1/20

6:20 am-8:46 pm

1 stop16h 26m

$147

OntarioChicago

ONT - ORD

ONTORD

Ontario

Wed 1/22

10:00 am-5:53 pm

1 stop5h 53m

Chicago O'Hare Intl

Tue 1/28

5:00 am-9:56 am

1 stop6h 56m

$246

OntarioChicago

ONT - ORD

ONTORD

Ontario

Wed 2/5

1:00 pm-11:49 pm

1 stop8h 49m

Chicago O'Hare Intl

Mon 2/10

7:15 am-12:24 pm

1 stop7h 09m

$256

OntarioChicago

ONT - ORD

ONTORD

Ontario

Tue 1/28

4:06 pm-1:07 pm

2 stops19h 01m

Chicago O'Hare Intl

Fri 1/31

2:07 pm-10:39 pm

1 stop10h 32m

$275

OntarioMinneapolis

ONT - MSP

ONTMSP

Ontario

Thu 4/3

4:15 pm-11:28 pm

1 stop5h 13m

Minneapolis St Paul

Sun 4/6

6:11 pm-11:59 pm

1 stop7h 48m

$296

OntarioMilwaukee

ONT - MKE

ONTMKE

Ontario

Tue 1/21

6:10 am-2:15 pm

1 stop6h 05m

Milwaukee-Mitchell

Tue 1/28

7:25 am-11:58 am

1 stop6h 33m

$318

OntarioMilwaukee

ONT - MKE

ONTMKE

Ontario

Wed 2/19

6:00 am-9:30 pm

2 stops13h 30m

Milwaukee-Mitchell

Wed 2/26

5:44 am-11:55 am

1 stop8h 11m

$322

OntarioMinneapolis

ONT - MSP

ONTMSP

Ontario

Wed 1/1

5:30 am-2:38 pm

1 stop7h 08m

Minneapolis St Paul

Tue 1/7

6:10 pm-11:53 pm

1 stop7h 43m

$341

OntarioMinneapolis

ONT - MSP

ONTMSP

Ontario

Tue 2/4

6:10 am-7:24 pm

2 stops11h 14m

Minneapolis St Paul

Tue 2/11

6:00 am-3:29 pm

2 stops11h 29m

$346

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 60 results
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2
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6

Best time to book a flight from Ontario to Wisconsin

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

Travel insights for flights from Ontario to Wisconsin

Get recent, data-driven insights about flights from Ontario to Wisconsin including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from Ontario to Wisconsin (average of $280). Flying from Ontario to Wisconsin in June is currently the most expensive (average of $376). 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 WI?

Find hourly flight availability from Ontario to Wisconsin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 22, 2024.

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

Rainfall in Wisconsin by month

Plan your trip to Wisconsin by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Wisconsin ranges from 1.4 - 4.0 inches per month. June is typically the wettest month, when rainfall can reach 4.0 in. January is typically the driest time to visit Wisconsin when rainfall is around 1.4 in.

Temperature in Wisconsin by month

Plan your trip to Wisconsin by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Wisconsin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Wisconsin

Get insights into the airlines that provide service to Wisconsin. 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 Wisconsin. Reviews last updated December 22, 2024.
Read reviews from past customers who have flown American Airlines, Delta and Alaska Airlines from Ontario to Wisconsin. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,804 reviews

Boarding

8.2

Crew

8.7

Food

7.2

Entertainment

7.7

Overall

8.1

Comfort

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.1
Very good
4,804 reviews
Southwest
8.1
Very good
4,804 reviews

Boarding

8.2

Crew

8.7

Food

7.2

Entertainment

7.7

Overall

8.1

Comfort

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,537 reviews
Southwest
8.1
Very good
4,804 reviews

Boarding

8.2

Crew

8.7

Food

7.2

Entertainment

7.7

Overall

8.1

Comfort

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
8,597 reviews
Southwest
8.1
Very good
4,804 reviews

Boarding

8.2

Crew

8.7

Food

7.2

Entertainment

7.7

Overall

8.1

Comfort

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
9,035 reviews
Southwest
8.1
Very good
4,804 reviews

Boarding

8.2

Crew

8.7

Food

7.2

Entertainment

7.7

Overall

8.1

Comfort

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,804 reviews

Boarding

8.2

Crew

8.7

Food

7.2

Entertainment

7.7

Overall

8.1

Comfort

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Related info for your journey

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

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Wisconsin.

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

    $60 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from $123 and $133, respectively.

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

    The most popular flight routes from Ontario to Wisconsin are Ontario - Chicago O'Hare Intl, Ontario - Minneapolis St Paul and Ontario - Milwaukee-Mitchell.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Ontario to Wisconsin (average of $280). Flying from Ontario to Wisconsin in June is currently the most expensive (average of $376). 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.

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Alternative routes for Ontario to Wisconsin

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 Wisconsin

Discover the top 5 airlines that operate flights from Ontario to Wisconsin. 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 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$72Average$222FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$218Average$506FlexibilityNo cancel feeOn-time69%
DeltaCheapest$254Average$470FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$552FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$326Average$394FlexibilityNo cancel feeOn-time63%
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