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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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MKE
Nov 5 — Nov 121
1 adult
Tue 11/5
Tue 11/12
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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 October 31, 2024.

This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/164:07 pmONT - MSP
1 stop6h 10mFrontier
Wed 11/208:05 pmMSP - ONT
1 stop5h 59mFrontier
Deal found 10/30$106
This Booking.com deal was found by Cheapflights users on 10/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/146:13 pmONT - MKE
1 stop17h 54mFrontier
Mon 11/183:31 pmMKE - ONT
1 stop20h 40mFrontier
Deal found 10/30$118
This Frontier deal was found by Cheapflights users on 10/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1412:32 pmONT - ORD
1 stop9h 40mFrontier
Sun 11/179:27 pmORD - ONT
1 stop12h 09mFrontier
Deal found 10/30$128
This Trip.com deal was found by Cheapflights users on 10/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/72:39 pmONT - MSP
1 stop12h 26mMultiple Airlines
Thu 11/143:21 pmMSP - ONT
1 stop10h 49mMultiple Airlines
Deal found 10/30$185
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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.
Thu 12/128:55 pmONT - MSP
1 stop24h 59mAlaska Airlines
Mon 1/138:00 amMSP - ONT
2 stops35h 04mAlaska Airlines
Deal found 10/30$237
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 12/56:00 amONT - ORD
1 stop15h 47mAlaska Airlines
Sat 12/71:07 pmORD - ONT
1 stop9h 57mAlaska Airlines
Deal found 10/29$242
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/307:30 pmONT - ORD
1 stop7h 46mAmerican Airlines
Thu 1/25:00 amORD - ONT
1 stop6h 56mAmerican Airlines
Deal found 10/30$246
This Delta deal was found by Cheapflights users on 10/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1311:18 amONT - ORD
1 stop10h 41mDelta
Mon 12/1612:25 pmORD - ONT
2 stops12h 37mDelta
Deal found 10/30$255
This CheapOair deal was found by Cheapflights users on 10/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/94:07 pmONT - MSN
1 stop21h 22mFrontier
Mon 11/112:30 pmMSN - ONT
1 stop21h 41mFrontier
Deal found 10/30$274
This Delta deal was found by Cheapflights users on 10/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/41:18 pmONT - MSN
2 stops7h 12mDelta
Sun 12/82:50 pmMSN - ONT
2 stops11h 24mDelta
Deal found 10/30$298
This Expedia deal was found by Cheapflights users on 10/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/142:39 pmONT - ORD
1 stop7h 33mMultiple Airlines
Sun 11/177:00 amORD - ONT
2 stops13h 32mMultiple Airlines
Deal found 10/30$311
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/46:10 amONT - MSP
1 stop15h 54mAmerican Airlines
Wed 12/115:06 amMSP - ONT
2 stops12h 19mAmerican Airlines
Deal found 10/30$315

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 2,570,725 searches. Data last updated October 31, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioMinneapolis

ONT - MSP

ONTMSP

Ontario

Thu 12/5

8:56 am-5:36 pm

1 stop6h 40m

$53

OntarioMinneapolis

ONT - MSP

ONTMSP

Ontario

Sat 12/14

6:45 am-3:46 pm

1 stop7h 01m

$82

OntarioMinneapolis

ONT - MSP

ONTMSP

Ontario

Fri 1/24

7:01 pm-11:55 pm

1 stop26h 54m

$117

OntarioChicago

ONT - ORD

ONTORD

Ontario

Sat 2/1

3:52 pm-5:25 pm

1 stop23h 33m

$61

OntarioChicago

ONT - ORD

ONTORD

Ontario

Tue 12/10

5:50 am-5:46 pm

1 stop9h 56m

$122

OntarioChicago

ONT - ORD

ONTORD

Ontario

Tue 11/19

6:30 am-10:35 pm

3 stops14h 05m

$155

OntarioChicago

ONT - ORD

ONTORD

Ontario

Sun 3/2

7:15 pm-6:13 am

1 stop8h 58m

$159

OntarioMilwaukee

ONT - MKE

ONTMKE

Ontario

Mon 11/18

5:45 am-2:31 pm

1 stop6h 46m

$73

OntarioMinneapolis

ONT - MSP

ONTMSP

Ontario

Wed 12/11

6:05 am-7:56 pm

2 stops11h 51m

$164

OntarioChicago

ONT - ORD

ONTORD

Ontario

Sun 11/17

9:11 am-12:04 pm

3 stops24h 53m

$120

Flights are sorted by cheapest first

Deals found on 10/31

Showing 1-10 of 60 results
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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, January is the cheapest month in which you can book a flight from Ontario to Wisconsin (average of $271). Flying from Ontario to Wisconsin in June is currently the most expensive (average of $361). 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 October 31, 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 October 31, 2024.
Read reviews from past customers who have flown Southwest, Frontier and United 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
5,116 reviews

Overall

8.1

Food

7.2

Comfort

8.1

Boarding

8.3

Entertainment

7.7

Crew

8.7

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
5,116 reviews
Southwest
8.1
Very good
5,116 reviews

Overall

8.1

Food

7.2

Comfort

8.1

Boarding

8.3

Entertainment

7.7

Crew

8.7

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
9,420 reviews
Southwest
8.1
Very good
5,116 reviews

Overall

8.1

Food

7.2

Comfort

8.1

Boarding

8.3

Entertainment

7.7

Crew

8.7

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
8,835 reviews
Southwest
8.1
Very good
5,116 reviews

Overall

8.1

Food

7.2

Comfort

8.1

Boarding

8.3

Entertainment

7.7

Crew

8.7

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
9,240 reviews
Southwest
8.1
Very good
5,116 reviews

Overall

8.1

Food

7.2

Comfort

8.1

Boarding

8.3

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

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

WestJet
7.3
Good
2,804 reviews
Southwest
8.1
Very good
5,116 reviews

Overall

8.1

Food

7.2

Comfort

8.1

Boarding

8.3

Entertainment

7.7

Crew

8.7

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.

  • Can I find flights from Ontario to Wisconsin for under $200 on Cheapflights?

    Yes, there are multiple flights from Ontario to Wisconsin for under $200. The cheapest flight booked recently is on Frontier for just $106, but on average you can expect to pay $279.

  • Are there last-minute flights available from Ontario to Wisconsin for under $200?

    There are currently 20+ open flights from Ontario to Wisconsin within the next 7 days for less than $200.

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

    $53 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 $117 and $122, 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.

  • What does ONT to MKE mean?

    ONT and MKE are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. ONT to MKE refers to a flight route from Ontario Airport to Milwaukee-Mitchell Airport. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Madison Truax Field Airport (MSN), Appleton Intl Airport (ATW), Green Bay Austin-Straubel Airport (GRB), Wausau Central Wisconsin Airport (CWA), La Crosse Airport (LSE).

  • Can I find deals for flights from Ontario to Wisconsin that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to Wisconsin flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to Wisconsin with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Wisconsin flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Ontario to Wisconsin that allow pets onboard?

    Many airlines flying from Ontario to Wisconsin offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ontario to Wisconsin?

    Yes, you can often find last-minute deals on Ontario to Wisconsin flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Ontario to Wisconsin flight deals updated?

    The Ontario to Wisconsin flight deals you see on this page were last updated on 10/30.

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

    Currently, January is the cheapest month in which you can book a flight from Ontario to Wisconsin (average of $271). Flying from Ontario to Wisconsin in June is currently the most expensive (average of $361). 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 2,570,725 searches. Data last updated October 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$72Average$223FlexibilityNo cancel feeOn-time62%
DeltaCheapest$254Average$478FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$263Average$512FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$293Average$552FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$346Average$536FlexibilityNo cancel feeOn-time63%
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