CA $262 Cheap Flights from Milwaukee (MKE) to Ontario (ONT)

View CA $262 flight on Thu, Oct 16, 2025Opens in a new window

Popular airlines from General Mitchell Intl. Airport (MKE) to Los Angeles - Ontario Intl. Airport (ONT)

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Cheap flights from Milwaukee (MKE) to Ontario (ONT)

Prices were available within the past 7 days and start at CA $262 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Milwaukee (MKE) to Ontario (ONT)

November is typically the cheapest month to fly

From CA $276 - CA $1,038 per traveller.
Flight from Milwaukee to Ontario (MKE - ONT) route information
Origin airport
General Mitchell Intl.
Destination airport
Los Angeles - Ontario Intl.
Distance
2732 km

Milwaukee to Los Angeles Flights

The easy way to book your flights from Milwaukee to Ontario 

With Expedia, it’s simple to find and book flights to Ontario from Milwaukee whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Los Angeles - Ontario Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Milwaukee to Ontario today, tomorrow, or this week.  

 

Save dollars with cheap flights from General Mitchell Intl., MKE to Los Angeles - Ontario Intl., ONT 

Sort your search results by price to find great deals on your flight from Milwaukee to Ontario—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Ontario from Milwaukee currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Ontario  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Ontario from Milwaukee 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Ontario with Expedia today.

Frequently asked questions

How much is a flight from MKE to ONT?
Pack your bags, because round-trip journeys between Mitchell Intl. Airport and ONT start from . That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book today to get the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from MKE to Los Angeles - Ontario Intl. Airport (ONT)?
This varies between airlines, as each one has its own terms and conditions. Visit the Customer Service Portal, where you'll find easy instructions on how to cancel your flight online.
How do I find cheap flights from General Mitchell Intl. Airport (MKE) to Ontario Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the cost difference between flights. When looking for General Mitchell Intl. Airport (MKE) to Los Angeles - Ontario Intl. Airport (ONT) flights, you'll see a "No change fees" box for you to tick.
How many hours is the flight from Mitchell Intl. Airport to Ontario Airport?
The flight time from General Mitchell Intl. Airport (MKE) to Ontario Airport is approximately 6 hours. Put your earphones in, listen to a gripping podcast and the hours will fly by.
How far is the flight from MKE to Los Angeles - Ontario Intl. Airport (ONT)?
You'll be soaring through the sky for a while, as the flight distance between General Mitchell Intl. Airport (MKE) and ONT is 2,800 kilometres. Set up a playlist of your favourite podcasts before leaving home to stay entertained during your flight.
Which airlines fly direct from MKE to Los Angeles - Ontario Intl. Airport (ONT)?
You won't find any airlines operating directly between Mitchell Intl. Airport and ONT, so be prepared to make at least one stop on your journey. A layover, whether short or long, can be a good way to break up a trip!
Are Mitchell Intl. Airport to ONT flight tickets cheaper when they're purchased at the last minute?
Booking last minute from MKE to Los Angeles - Ontario Intl. Airport (ONT) can be hit-or-miss. You may be able to score a great bargain, but then again, you could miss out entirely! If you'd prefer to start your travel planning early on, Expedia compares flight deals up to 12 months in advance. Just remember that not all airlines advertise their prices that far in advance. Our suggestion? Check back often as prices are updated frequently.

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Ontario nearby Airports

Los Angeles

Milwaukee to Los Angeles Intl.
CA $382.90
*Available to Expedia members.