Menu

Cheap flights from Ontario (ONT) to Wisconsin (WI)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

How to find the cheapest flight from
Ontario (ONT) to Wisconsin

How far in advance should I book a flight from Ontario to Wisconsin?

Travelers have found it’s best to book a flight 37 days in advance to save up to 10% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 37 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Ontario to Wisconsin 1-2 weeks in advance for as low as $177, or $177 for flights within the next 24 hours.

Cheap flights from Ontario to Wisconsin in October, November 2020

The best prices found for ONT to Wisconsin flights for October, November
10 Nov - 14 Nov
$242pp
ONT
Ontario
United Airlines
   
2 STOPS
MKE
Milwaukee Milwaukee-Mitchell
MKE
Milwaukee Milwaukee-Mitchell
United Airlines
 
1 STOP
ONT
Ontario
10 Nov - 14 Nov
$244pp
ONT
Ontario
United Airlines
 
1 STOP
MKE
Milwaukee Milwaukee-Mitchell
MKE
Milwaukee Milwaukee-Mitchell
United Airlines
 
1 STOP
ONT
Ontario
10 Nov - 14 Nov
$272pp
ONT
Ontario
United Airlines
   
2 STOPS
MKE
Milwaukee Milwaukee-Mitchell
MKE
Milwaukee Milwaukee-Mitchell
United Airlines
   
2 STOPS
ONT
Ontario

Ontario to Wisconsin 2020 flight deals

Cheap flights to Wisconsin from Ontario found for this year
10 Nov - 14 Nov
$242pp
ONT
Ontario
United Airlines
   
2 STOPS
MKE
Milwaukee Milwaukee-Mitchell
MKE
Milwaukee Milwaukee-Mitchell
United Airlines
 
1 STOP
ONT
Ontario
10 Nov - 14 Nov
$244pp
ONT
Ontario
United Airlines
 
1 STOP
MKE
Milwaukee Milwaukee-Mitchell
MKE
Milwaukee Milwaukee-Mitchell
United Airlines
 
1 STOP
ONT
Ontario
10 Nov - 14 Nov
$272pp
ONT
Ontario
United Airlines
   
2 STOPS
MKE
Milwaukee Milwaukee-Mitchell
MKE
Milwaukee Milwaukee-Mitchell
United Airlines
   
2 STOPS
ONT
Ontario

Last minute flights from Ontario to Wisconsin

Late deals on round-trip flights to Wisconsin from Ontario, departing today and this week
29 Oct - 3 Nov
$450pp
ONT
Ontario
American Airlines
 
1 STOP
MKE
Milwaukee Milwaukee-Mitchell
MKE
Milwaukee Milwaukee-Mitchell
American Airlines
 
1 STOP
ONT
Ontario
29 Oct - 1 Nov
$456pp
ONT
Ontario
United Airlines
   
2 STOPS
GRB
Green Bay Austin-Straubel
GRB
Green Bay Austin-Straubel
United Airlines
   
2 STOPS
ONT
Ontario
29 Oct - 1 Nov
$468pp
ONT
Ontario
Delta
   
2 STOPS
ATW
Appleton Outagamie County
ATW
Appleton Outagamie County
Delta
   
2 STOPS
ONT
Ontario

One-way flights to Wisconsin from Ontario

The cheapest one-way flights from Ontario to Wisconsin
1:00 am - 11:00 am
Alaska Airlines
1 Stop
9h 00m
ONT - MKE
Alaska Airlines
$163
KAYAK
6:59 am - 12:52 pm
Frontier
1 Stop
27h 53m
ONT - MSN
Frontier
$211
Kiwi.com
11:30 am - 5:24 pm
United Airlines
2 Stops
27h 54m
ONT - MKE
United Airlines
$272
United

Related info for your journey

Useful info, stats and facts about Ontario to Wisconsin flights.

Flight FAQs

From Ontario to Wisconsin

Are flight prices decreasing from Ontario to Wisconsin due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Ontario and Wisconsin for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Ontario to Wisconsin to control the spread of COVID-19?

Delta is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. Some of the new policies that have been implemented to accommodate travelers flying from Ontario to Wisconsin are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

Which airlines flying from Ontario to Wisconsin have flexible cancellations due to COVID-19?

Some of our airline partners flying from Ontario to Wisconsin have new flexible policies in place due to COVID-19. American Airlines, United Airlines, and Delta are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

Can I find flights from Ontario to Wisconsin for under $300 on Cheapflights?

Yes, there are multiple flights from Ontario to Wisconsin for under $300. The cheapest flight booked recently is on Frontier for just $238, but on average you can expect to pay $279.

Are there nonstop flights from Ontario to Wisconsin for under $200 on Cheapflights?

There are no nonstop flights from Ontario to Wisconsin, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Ontario to Wisconsin for under $500?

There are currently 3+ open flights from Ontario to Wisconsin within the next 7 days for less than $500.

What days are nonstop flights available from Ontario to Wisconsin?

Nonstop flights can be found on the following days: Wednesday, Thursday, Friday, Saturday.

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

Consider Major Airline, American Airlines or Delta when booking your flight. These represent the most popular airlines when flying from Ontario to Wisconsin.

What are the most popular routes from Ontario to Wisconsin?

Most travelers choose Ontario - Milwaukee Milwaukee-Mitchell, Ontario - Wausau Central Wisconsin or Ontario - Green Bay Austin-Straubel when deciding on the best route from Ontario to Wisconsin.

What are the cheapest Flights from Ontario to Wisconsin?

The cheapest flight price from Ontario to Wisconsin is $159. On average you can expect to pay $289. The most popular route, (Ontario - Milwaukee Milwaukee-Mitchell), can usually be booked for $272.

How long is the flight from Ontario to Wisconsin?

A quick flight from Ontario to Wisconsin can take about 5h 02m. Delta provides one of the quickest options available for as low as $278. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Ontario to Wisconsin round-trip?

Our cheapest airline available from Ontario to Wisconsin is Frontier. Our recent data shows that you can find tickets from as low as $238 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $242 and $278 round-trip.

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

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $95. Users have also found prices from $133 and $144 on Frontier and Alaska Airlines, respectively.

Arrival points for flights from Ontario to Wisconsin

Destination information for Wisconsin

Things to know before you go. Useful info for your trip from Ontario to Wisconsin

Airports servicing Ontario

Airports servicing

Sparta/Fort McCoy (CMY)
Wausau (CWA)
Eau Claire (EAU)
Green Bay (GRB)
La Crosse (LSE)
Milwaukee (MKE)
Home North America USA Wisconsin Cheap flights from Ontario to Wisconsin