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

As of May 2026, 15 flights take off from Wisconsin and land in Ontario each week. The most common flight departure day for this route is Mon, with 20% of weekly flights taking off on this day.

How long does it take to fly to Ontario?

Average flight duration from Wisconsin to Ontario depends on which airport you fly into and out of. Flying from Madison to Los Angeles is 4h 17m on average, while flying from Wausau to Los Angeles is 5h 57m on average. Los Angeles is the most popular airport in Ontario.

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

Delta, Frontier, and Alaska Airlines are the most popular carriers operating from Wisconsin to Ontario

What airlines fly to Ontario?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Ontario from Wisconsin according to our data. American Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 9 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Wisconsin to Ontario Airport are refreshed on a daily basis.

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

The number of operators available for flights from Wisconsin to Ontario Airport is 6 as of May 2026.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Wisconsin to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The travel and health documents required for your trip to Ontario Airport 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 Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$76 Cheap Flights from Wisconsin to Ontario in 2026

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Find the cheapest flights from Wisconsin to Los Angeles

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:06 am - 11:55 pm

ORD

ONT

14h 49m

1 stop

2:55 pm - 10:01 am

ONT

ORD

17h 06m

1 stop

$160Frontier

Sat, Sep 26 - Mon, Sep 28

7:20 am - 7:51 pm

ORD

ONT

14h 31m

1 stop

6:00 am - 8:52 pm

ONT

ORD

12h 52m

1 stop

$180Frontier

Tue, Jun 16 - Wed, Aug 12

9:48 pm - 10:05 am

ORD

ONT

14h 17m

1 stop

6:00 am - 8:52 pm

ONT

ORD

12h 52m

1 stop

$196Frontier

Tue, Jun 9 - Wed, Aug 12

7:00 am - 3:44 pm

ATW

ONT

10h 44m

1 stop

3:34 pm - 3:11 pm

ONT

ATW

21h 37m

1 stop

$299Multiple Airlines

Wed, Jun 3 - Tue, Jun 16

5:45 am - 11:04 am

MSN

ONT

7h 19m

1 stop

10:59 pm - 10:11 am

ONT

MSN

9h 12m

1 stop

$301Delta

Tue, Sep 22 - Tue, Sep 29

9:00 am - 4:14 pm

MSN

ONT

9h 14m

2 stops

7:00 am - 4:35 pm

ONT

MSN

7h 35m

1 stop

$306Delta

Wed, Sep 30 - Sat, Oct 3

2:21 pm - 7:32 pm

ATW

ONT

7h 11m

1 stop

1:33 pm - 3:11 pm

ONT

ATW

23h 38m

1 stop

$343Multiple Airlines

Sat, Jun 6 - Tue, Jun 16

5:30 am - 11:35 am

MKE

ONT

8h 05m

1 stop

3:00 pm - 12:20 am

ONT

MKE

7h 20m

1 stop

$396Southwest

Tue, Jun 2 - Sat, Jun 6

5:06 am - 11:27 am

MKE

ONT

8h 21m

2 stops

7:20 am - 5:00 pm

ONT

MKE

7h 40m

1 stop

$400American Airlines

Wed, Oct 7 - Wed, Oct 21

12:06 pm - 9:57 pm

MKE

ONT

11h 51m

2 stops

1:11 pm - 9:37 pm

ONT

MKE

6h 26m

1 stop

$401American Airlines

Tue, Jun 2 - Sat, Jun 6

Frontier flights from Wisconsin to Ontario

Our best Frontier deals on Wisconsin to Ontario flight tickets

Frontier

Sep 26

ORD11:06 amChicago O'Hare Intl

14h 49m

1 stop

ONT11:55 pmOntario

Sep 28

ONT2:55 pmOntario

17h 06m

1 stop

ORD10:01 amChicago O'Hare Intl

$160

Frontier

Jun 16

ORD7:20 amChicago O'Hare Intl

14h 31m

1 stop

ONT7:51 pmOntario

Aug 12

ONT6:00 amOntario

12h 52m

1 stop

ORD8:52 pmChicago O'Hare Intl

$180

Frontier

Jun 9

ORD9:48 pmChicago O'Hare Intl

14h 17m

1 stop

ONT10:05 amOntario

Aug 12

ONT6:00 amOntario

12h 52m

1 stop

ORD8:52 pmChicago O'Hare Intl

$196

Southwest flights from Wisconsin to Ontario

Our best Southwest deals on Wisconsin to Ontario flight tickets

Southwest

Jun 2

MKE5:30 amMilwaukee-Mitchell

8h 05m

1 stop

ONT11:35 amOntario

Jun 6

ONT3:00 pmOntario

7h 20m

1 stop

MKE12:20 amMilwaukee-Mitchell

$396

Southwest

Jun 9

MKE7:20 amMilwaukee-Mitchell

7h 35m

2 stops

ONT12:55 pmOntario

Jun 12

ONT2:30 pmOntario

5h 55m

1 stop

MKE10:25 pmMilwaukee-Mitchell

$437

Southwest

Jun 8

MKE7:30 pmMilwaukee-Mitchell

6h 00m

1 stop

ONT11:30 pmOntario

Jun 15

ONT12:50 pmOntario

7h 55m

2 stops

MKE10:45 pmMilwaukee-Mitchell

$454

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Sat 9/26

11:06 am-11:55 pm

1 stop14h 49m

Ontario

Mon 9/28

2:55 pm-10:01 am

1 stop17h 06m

$160

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Tue 6/16

7:20 am-7:51 pm

1 stop14h 31m

Ontario

Wed 8/12

6:00 am-8:52 pm

1 stop12h 52m

$180

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Tue 6/9

9:48 pm-10:05 am

1 stop14h 17m

Ontario

Wed 8/12

6:00 am-8:52 pm

1 stop12h 52m

$196

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

Wed 6/3

7:00 am-3:44 pm

1 stop10h 44m

Ontario

Tue 6/16

3:34 pm-3:11 pm

1 stop21h 37m

$299

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Tue 9/22

5:45 am-11:04 am

1 stop7h 19m

Ontario

Tue 9/29

10:59 pm-10:11 am

1 stop9h 12m

$301

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Wed 9/30

9:00 am-4:14 pm

2 stops9h 14m

Ontario

Sat 10/3

7:00 am-4:35 pm

1 stop7h 35m

$306

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

Sat 6/6

2:21 pm-7:32 pm

1 stop7h 11m

Ontario

Tue 6/16

1:33 pm-3:11 pm

1 stop23h 38m

$343

Quickest round-trip

MilwaukeeOntario

MKE - ONT

MKEONT

Milwaukee-Mitchell

Tue 6/2

5:30 am-11:35 am

1 stop8h 05m

Ontario

Sat 6/6

3:00 pm-12:20 am

1 stop7h 20m

$396

MilwaukeeOntario

MKE - ONT

MKEONT

Milwaukee-Mitchell

Wed 10/7

5:06 am-11:27 am

2 stops8h 21m

Ontario

Wed 10/21

7:20 am-5:00 pm

1 stop7h 40m

$400

MilwaukeeOntario

MKE - ONT

MKEONT

Milwaukee-Mitchell

Tue 6/2

12:06 pm-9:57 pm

2 stops11h 51m

Ontario

Sat 6/6

1:11 pm-9:37 pm

1 stop6h 26m

$401

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Wisconsin to Ontario

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

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What is the cheapest month to fly to Ontario?

In general, June is the cheapest month to fly from Wisconsin to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $118. If you aren’t able to travel during the month of June, then book flights to Ontario from Wisconsin during July instead. Flights to Ontario in July, while not as cheap as those in June, still average around $199.

Can stopping save me money on Wisconsin to Ontario flights?

You could potentially save up to 52% on your flight if you consider stops on a Wisconsin to Ontario flight.

Cheap Wisconsin to Ontario flight deals and tips

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

Fastest flight time	4h 26m
Direct flights	Every day
Airports in Ontario	1 airport

The fastest flight from Wisconsin to Ontario takes 4h 26m

Direct flights go from Wisconsin to Ontario every day.

There is 1 airport in Ontario. From Wisconsin there are direct flights to Ontario (ONT).

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Frequently asked questions about flying from Wisconsin to Ontario

When did momondo last update prices for flights from Wisconsin to Ontario Airport?
Prices for flights from Wisconsin to Ontario Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Wisconsin to Ontario Airport?
The number of operators available for flights from Wisconsin to Ontario Airport is 6 as of May 2026.
How old do you have to be to fly from Wisconsin to Ontario Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Wisconsin to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents required for your trip to Ontario Airport 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 Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Wisconsin to Ontario

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $288	Free Cancellation	Rating 7.4 9,711 reviews	Search United Airlines flights
American Airlines	PriceFrom $288	Free Cancellation	Rating 7.1 11,664 reviews	Search American Airlines flights
Delta	PriceFrom $300	Free Cancellation	Rating 7.9 8,454 reviews	Search Delta flights
Southwest	PriceFrom $316	Free Cancellation	Rating 8.0 4,299 reviews	Search Southwest flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Wisconsin to Ontario. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Ontario from Wisconsin on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Wisconsin to Ontario.

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

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Wisconsin and alert you when they change.

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Cheap flights from Wisconsin to Los Angeles from $76

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Wisconsin to Los Angeles departing on 8/18. 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 Wisconsin to Ontario

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

What airlines fly to Ontario?

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

How long does it take to fly to Ontario?

Cheap Wisconsin to Ontario flight deals and tips

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Fastest flight time

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Airports in Ontario

Frequently asked questions about flying from Wisconsin to Ontario

Best airlines flying from Wisconsin to Ontario

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

Why use momondo?

An easier way to manage your Ontario 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 the United States

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