Cheap flights from Ontario to Wisconsin from $94
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Wisconsin departing on 6/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Ontario to Wisconsin
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Wisconsin?
If you aren’t able to travel during the month of November, then book flights to Wisconsin from Ontario during January instead. Flights to Wisconsin in January, while not as cheap as those in November, still average around $351.
What is the cheapest day to depart on your flight to Wisconsin?
The cheapest day to depart from Ontario to Wisconsin is on a Wednesday. Travelers who choose to depart for Wisconsin on a Wednesday will often find tickets for as low as $357. The most expensive day to fly to Wisconsin is Sunday, with ticket prices averaging around $515.
What is the cheapest time of day to depart on your flight to Wisconsin?
Our most recent data shows that the best time of day to fly to Wisconsin is in the evening. Flights from Ontario to Wisconsin during this time can be as low as $298. Flights at noon are often more expensive with an average ticket price of $441.
How far in advance should I book a flight to Wisconsin?
You are more likely to see cheaper flights to Wisconsin from Ontario when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to Wisconsin for around $415 when searching 14 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Wisconsin from Ontario for as low as $308 on momondo.
What is the cheapest airline that flies from Ontario to Wisconsin?
Frontier, Southwest, and United Airlines are the most popular carriers operating from Ontario to Wisconsin
What airlines fly to Wisconsin?
American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Wisconsin from Ontario according to our data. American Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Wisconsin. Keep in mind that there are 8 different airlines that fly to Wisconsin on a routine basis, so you have a few additional options to choose from.
Cheap Ontario to Wisconsin flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Wisconsin
When did momondo last update prices for flights from Ontario Airport to Wisconsin?
Prices for flights from Ontario Airport to Wisconsin were last updated today.
How many operators does momondo search for flights from Ontario Airport to Wisconsin?
As of May 2025, there are 8 operators available to choose from for flights from Ontario Airport to Wisconsin.
How old do you have to be to fly from Ontario Airport to Wisconsin?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Wisconsin.
What documentation or ID do you need to fly to Wisconsin?
The travel and health documents required for your trip to Wisconsin can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Wisconsin. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Ontario to Wisconsin
Compare and see reviews for airlines that fly from Ontario to Wisconsin with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $72 | Free Cancellation | Rating 5.9 3,289 reviews | |||
| PriceFrom $279 | Free Cancellation | Rating 8.0 7,942 reviews | |||
| PriceFrom $288 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $288 | Free Cancellation | Rating 7.4 8,708 reviews | |||
| PriceFrom $326 | Free Cancellation | Rating 8.0 4,292 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ontario to Wisconsin?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Wisconsin from Ontario.
Can I find flights from Ontario to Wisconsin with flexible booking policies on momondo?
Flights from Ontario to Wisconsin with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Ontario to Wisconsin?
Once all potential Ontario to Wisconsin flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Ontario to Wisconsin right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Ontario to Wisconsin flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.