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$62+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ONT
Nov 25 — Dez 21
Di 11/25
Di 12/2
1 adult, Economy
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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 Oktober 26, 2025.

This CheapOair deal was found by Cheapflights users on 10/26. 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.
Do 11/131:36 pmORD - ONT
1 stop7h 13mFrontier
Sa 11/156:53 amONT - ORD
1 stop14h 36mFrontier
Deal found 10/26$130
This Frontier deal was found by Cheapflights users on 10/25. 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.
Do 12/46:45 amMSP - ONT
1 stop6h 24mFrontier
Do 12/1112:04 pmONT - MSP
1 stop9h 58mFrontier
Deal found 10/25$130
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 12/87:00 amORD - ONT
1 stop9h 25mFrontier
Mo 12/153:20 pmONT - ORD
1 stop6h 52mFrontier
Deal found 10/24$136
This Trip.com deal was found by Cheapflights users on 10/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 12/256:45 amMSP - ONT
1 stop19h 14mFrontier
Mi 12/316:45 amONT - MSP
1 stop15h 17mFrontier
Deal found 10/25$140
This CheapOair deal was found by Cheapflights users on 10/25. 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.
Sa 11/87:15 amORD - ONT
1 stop18h 35mFrontier
Mo 11/101:46 pmONT - ORD
1 stop28h 28mFrontier
Deal found 10/25$150
This CheapOair deal was found by Cheapflights users on 10/25. 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.
Mo 11/176:00 amMSP - ONT
1 stop7h 10mFrontier
Di 11/188:45 amONT - MSP
1 stop12h 02mFrontier
Deal found 10/25$150
This Mytrip deal was found by Cheapflights users on 10/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 12/47:00 amORD - ONT
1 stop6h 09mFrontier
Do 12/1112:04 pmONT - ORD
1 stop10h 08mFrontier
Deal found 10/26$151
This CheapOair deal was found by Cheapflights users on 10/25. 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.
So 11/96:00 amMSP - ONT
1 stop19h 50mFrontier
Do 11/1312:05 pmONT - MSP
1 stop19h 15mFrontier
Deal found 10/25$162
This Booking.com deal was found by Cheapflights users on 10/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 11/610:15 amMSP - ONT
1 stop26h 55mFrontier
Di 11/118:45 amONT - MSP
1 stop12h 02mFrontier
Deal found 10/26$164
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 11/131:36 pmORD - ONT
1 stop31h 13mMultiple Airlines
Mo 11/171:46 pmONT - ORD
1 stop23h 05mMultiple Airlines
Deal found 10/24$165
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 12/87:00 amORD - ONT
1 stop9h 25mMultiple Airlines
Mo 12/155:18 pmONT - ORD
2 stops18h 40mMultiple Airlines
Deal found 10/24$169
This CheapOair deal was found by Cheapflights users on 10/25. 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.
Mo 12/87:00 amMSP - ONT
1 stop9h 25mFrontier
Sa 12/133:20 pmONT - MSP
1 stop5h 54mFrontier
Deal found 10/25$170

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 Oktober 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$130
(Priceline)

One-way from

$62
(Kiwi.com)

Popular in

March

Cheapest in

July

Average price

$408
Provider with most accurate pricing for Milwaukee-Mitchell-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Milwaukee-Mitchell-Los Angeles flights.
Search Deals
From Wisconsin to Ontario
Search Deals
One-way flight from Wisconsin to Ontario
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Wisconsin to Ontario 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 Oktober 26, 2025.
Use the filters below to find and compare flights from Wisconsin to Ontario that are best for you.

Fly from

Wisconsin

Fly to

Ontario

Route

Depart

Return

Price

MinneapolisOntario

MSP - ONT

MSPONT

Minneapolis St Paul

Sa 11/8

10:15 am-11:50 pm

1 stop15h 35m

Ontario

Mo 11/10

4:05 pm-12:14 am

1 stop6h 09m

$176

MinneapolisOntario

MSP - ONT

MSPONT

Minneapolis St Paul

Fr 11/7

6:00 am-11:10 am

1 stop7h 10m

Ontario

So 11/9

6:45 am-9:20 am

1 stop24h 35m

$194

MinneapolisOntario

MSP - ONT

MSPONT

Minneapolis St Paul

Mo 11/10

6:00 am-11:10 am

1 stop7h 10m

Ontario

Mo 11/17

6:53 am-12:14 am

1 stop15h 21m

$197

MinneapolisOntario

MSP - ONT

MSPONT

Minneapolis St Paul

Do 12/4

6:45 am-11:09 am

1 stop6h 24m

Ontario

So 12/14

4:01 pm-12:02 am

1 stop6h 01m

$249

MinneapolisOntario

MSP - ONT

MSPONT

Minneapolis St Paul

Di 11/25

6:45 am-11:57 pm

1 stop19h 12m

Ontario

Fr 12/5

3:20 pm-12:02 am

1 stop6h 42m

$259

MinneapolisOntario

MSP - ONT

MSPONT

Minneapolis St Paul

Fr 12/5

7:00 am-2:25 pm

1 stop9h 25m

Ontario

Mo 12/8

3:20 pm-12:02 am

1 stop6h 42m

$261

MinneapolisOntario

MSP - ONT

MSPONT

Minneapolis St Paul

So 2/1

10:05 pm-11:59 pm

1 stop27h 54m

Ontario

Sa 2/7

6:00 am-12:02 am

1 stop16h 02m

$292

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

Sa 1/10

4:05 pm-10:52 pm

2 stops8h 47m

Ontario

Di 1/13

1:00 pm-10:02 pm

1 stop7h 02m

$294

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Sa 12/13

5:17 pm-10:49 pm

1 stop7h 32m

Ontario

Mi 12/24

11:59 pm-5:50 am

Nonstop3h 51m

$295

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Fr 11/14

8:00 pm-11:50 pm

1 stop5h 50m

Ontario

Sa 11/22

12:58 am-11:40 am

1 stop8h 42m

$298

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/24

Showing 1-10 of 60 results
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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, July is the cheapest month in which you can book a flight from Wisconsin to Ontario (average of $60). Flying from Wisconsin to Ontario in March is currently the most expensive (average of $284). 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?

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 Oktober 26, 2025.

It’s typically best to fly out from Wisconsin to Ontario in the evening. Doing so could potentially save you 38% on the flight price compared to flying in the morning, which is usually more expensive.

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?

    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 $295, Frontier can have you in Ontario from Wisconsin in 7h 32m. The distance between Wisconsin and Ontario is about 1695 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 Frontier. According to our data, you can fly for as low as $71. Users have also found prices from $150 and $159 on Delta and Alaska Airlines, 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, July is the cheapest month in which you can book a flight from Wisconsin to Ontario (average of $60). Flying from Wisconsin to Ontario in March is currently the most expensive (average of $284). 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 Wisconsin to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Wisconsin to Ontario

Discover the top 4 airlines that operate flights from Wisconsin to Ontario. 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 Oktober 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$278Average$448FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$492FlexibilityNo cancel feeOn-time69%
DeltaCheapest$293Average$377FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$342Average$418FlexibilityNo cancel feeOn-time63%

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