How many flights depart from Ontario to Wisconsin on average per week?

6 flights are operational weekly from Ontario to Wisconsin as of July 2025. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.

What airlines fly to Wisconsin?

American Airlines, United Airlines and Southwest 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 42% 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.

What is the cheapest airline that flies from Ontario to Wisconsin?

Frontier and American Airlines are the most popular carriers operating 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 July 2025, there are 7 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.

$96 Cheap Flights from Ontario to Wisconsin in 2025

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Find the cheapest flights from Ontario to Wisconsin

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

10:25 am - 8:50 pmONT-ORD

8h 25m1 stop

6:00 am - 9:57 amORD-ONT

5h 57m1 stop

$193Frontier

Find Deal

Sun, Aug 31 - Thu, Sep 4

12:59 am - 10:37 amONT-ORD

7h 38m1 stop

6:00 am - 9:57 amORD-ONT

5h 57m1 stop

$199Frontier

Find Deal

Sat, Aug 30 - Thu, Sep 4

12:55 pm - 11:57 pmONT-MSP

9h 02m1 stop

7:41 am - 5:52 pmMSP-ONT

12h 11m1 stop

$243American Airlines

Find Deal

Tue, Aug 5 - Tue, Aug 12

2:54 pm - 11:27 pmONT-MSN

6h 33m1 stop

6:40 am - 1:19 pmMSN-ONT

8h 39m1 stop

$289American Airlines

Find Deal

Fri, Sep 5 - Sun, Sep 7

1:34 pm - 9:00 pmONT-ATW

5h 26m1 stop

2:32 pm - 10:49 pmATW-ONT

10h 17m2 stops

$294United Airlines

Find Deal

Fri, Dec 5 - Wed, Dec 10

1:34 pm - 9:00 pmONT-ATW

5h 26m1 stop

8:30 am - 12:32 pmATW-ONT

6h 02m1 stop

$314United Airlines

Find Deal

Fri, Dec 5 - Wed, Dec 10

11:45 am - 11:49 pmONT-MKE

10h 04m1 stop

12:15 pm - 7:11 pmMKE-ONT

8h 56m1 stop

$325Delta

Find Deal

Mon, Aug 11 - Wed, Aug 13

12:00 pm - 11:25 pmONT-MKE

9h 25m1 stop

3:15 pm - 10:46 pmMKE-ONT

9h 31m2 stops

$330Delta

Find Deal

Tue, Oct 14 - Sat, Oct 18

3:30 pm - 11:00 pmONT-MKE

5h 30m1 stop

5:30 am - 12:40 pmMKE-ONT

9h 10m2 stops

$370Southwest

Find Deal

Thu, Aug 28 - Mon, Sep 1

12:55 pm - 11:25 pmONT-MKE

8h 30m2 stops

2:10 pm - 8:30 pmMKE-ONT

8h 20m2 stops

$375Southwest

Find Deal

Wed, Oct 15 - Mon, Oct 20

Frontier flights from Ontario to Wisconsin

Our best Frontier deals on Ontario to Wisconsin flight tickets

Frontier

Aug 31

ONT10:25 amOntario

8h 25m

1 stop

ORD8:50 pmChicago O'Hare Intl

Sep 4

ORD6:00 amChicago O'Hare Intl

5h 57m

1 stop

ONT9:57 amOntario

$193

Find similar

Frontier

Aug 30

ONT12:59 amOntario

7h 38m

1 stop

ORD10:37 amChicago O'Hare Intl

Sep 4

ORD6:00 amChicago O'Hare Intl

5h 57m

1 stop

ONT9:57 amOntario

$199

Find similar

Frontier

Sep 11

ONT8:59 pmOntario

10h 38m

1 stop

ORD9:37 amChicago O'Hare Intl

Sep 14

ORD8:50 amChicago O'Hare Intl

8h 34m

1 stop

ONT3:24 pmOntario

$205

Find similar

American Airlines flights from Ontario to Wisconsin

Our best American Airlines deals on Ontario to Wisconsin flight tickets

American Airlines

Aug 5

ONT12:55 pmOntario

9h 02m

1 stop

MSP11:57 pmMinneapolis St Paul

Aug 12

MSP7:41 amMinneapolis St Paul

12h 11m

1 stop

ONT5:52 pmOntario

$243

Find similar

American Airlines

Sep 5

ONT2:54 pmOntario

6h 33m

1 stop

MSN11:27 pmMadison Truax Field

Sep 7

MSN6:40 amMadison Truax Field

8h 39m

1 stop

ONT1:19 pmOntario

$289

Find similar

American Airlines

Sep 5

ONT1:10 pmOntario

8h 17m

2 stops

MSN11:27 pmMadison Truax Field

Sep 7

MSN6:40 amMadison Truax Field

7h 15m

1 stop

ONT11:55 amOntario

$294

Find similar

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

Prices

Airlines

Other information

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 weeks ahead of your departure date. In general, you can expect to find flights to Wisconsin for around $407 when searching 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 $303 on momondo.

Can stopping save me money on Ontario to Wisconsin flights?

You could potentially save up to 61% on your flight if you consider stops on a Ontario to Wisconsin flight.

Cheap Ontario to Wisconsin flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Wisconsin

Best Price Found	$96
Fastest flight time	4h 03m
Direct flights	Every day
Airports in Wisconsin	5 airports

The best one-way flight to Wisconsin from Ontario in the past 72 hours is $96. The best round-trip flight deal from Ontario to Wisconsin found on momondo in the last 72 hours is $193.

The fastest flight from Ontario to Wisconsin takes 4h 03m

Direct flights go from Ontario to Wisconsin every day.

There are 5 airports near Wisconsin: Chicago O'Hare Intl (ORD), Appleton Intl (ATW), Milwaukee-Mitchell (MKE), Madison Truax Field (MSN), Minneapolis St Paul (MSP)

Search flight deals

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 July 2025, there are 7 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
Frontier	PriceFrom $72	Free Cancellation	Rating 5.9 3,256 reviews	Search Frontier flights
Delta	PriceFrom $253	Free Cancellation	Rating 8.0 7,956 reviews	Search Delta flights
United Airlines	PriceFrom $288	Free Cancellation	Rating 7.4 8,861 reviews	Search United Airlines flights
American Airlines	PriceFrom $288	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $326	Free Cancellation	Rating 8.0 4,241 reviews	Search Southwest flights

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.

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Find better results for your trip to Wisconsin

Popular cities in Wisconsin

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Flights to San Franciscofrom $59

Flights to Washington, D.C.from $50

Flights to Bostonfrom $55

Flights to Dallasfrom $63

Flights to Atlantafrom $49

Flights to Seattlefrom $81

Cheap flights from Ontario to Wisconsin from $96

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 8/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Ontario to Wisconsin

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Frontier flights from Ontario to Wisconsin

Our best Frontier deals on Ontario to Wisconsin flight tickets

American Airlines flights from Ontario to Wisconsin

Our best American Airlines deals on Ontario to Wisconsin flight tickets

See travel insights to Wisconsin from

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?

Can stopping save me money on Ontario to Wisconsin flights?

You could potentially save up to 61% on your flight if you consider stops on a Ontario to Wisconsin flight.

What is the cheapest airline that flies from Ontario to Wisconsin?

Frontier and American Airlines are the most popular carriers operating from Ontario to Wisconsin

What airlines fly to Wisconsin?

How many flights depart from Ontario to Wisconsin on average per week?

6 flights are operational weekly from Ontario to Wisconsin as of July 2025. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.

Cheap Ontario to Wisconsin flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Wisconsin

Best Price Found

Fastest flight time

Direct flights

Airports in Wisconsin

When did momondo last update prices for flights from Ontario Airport to Wisconsin?

How many operators does momondo search for flights from Ontario Airport to Wisconsin?

How old do you have to be to fly from Ontario Airport to Wisconsin?

What documentation or ID do you need to fly to Wisconsin?

Best airlines flying from Ontario to Wisconsin

Compare and see reviews for airlines that fly from Ontario to Wisconsin with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Wisconsin?

Can I find flights from Ontario to Wisconsin with flexible booking policies on momondo?

How can momondo help me find flights from Ontario to Wisconsin?

I’m not ready to book a flight from Ontario to Wisconsin right now. Can momondo alert me if prices change?

An easier way to manage your Wisconsin trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Wisconsin

Popular cities in Wisconsin

Popular flights according to clicks in the last 7 days on momondo