Cheap Flights from Milwaukee (MKE) to Ontario Intl. Airport (ONT)

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

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Frequently asked questions

What is the cheapest month to fly from Milwaukee, WI (MKE-General Mitchell Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
April is typically the cheapest month to fly from Milwaukee, WI (MKE-General Mitchell Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.), with average round-trip fares around 956 CAD. This is about 17% lower than the average price throughout the year. April often sees lower prices as it's outside of peak holiday travel and before the busy summer season, when demand tends to increase. Other cheap months to fly from Milwaukee, WI (MKE-General Mitchell Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) include August and November.*Averages based on flights available on Expedia in the last year.
How do I find cheap flights from Milwaukee, WI (MKE-General Mitchell Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
To find a cheap flight from Milwaukee, WI (MKE-General Mitchell Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Milwaukee, WI (MKE-General Mitchell Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
The best time to fly from Milwaukee, WI (MKE-General Mitchell Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) is typically April or August. These months offer the cheapest fares, with an average round-trip flight costing around 956 CAD. While we don't have specific popularity data for these months, finding the lowest prices often means you can enjoy your trip without breaking the bank. This information is based on booking data from the past year.*Prices based on flights available on Expedia in the last year.
How many flights per day from Milwaukee, WI (MKE-General Mitchell Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
There are approximately 42 connecting flights per day from Milwaukee, WI (MKE-General Mitchell Intl.) (MKE) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) (ONT). Some common connection points include Seattle - Tacoma Intl. (SEA), O'Hare Intl. (ORD), and Denver Intl. (DEN).
What is the earliest flight from Milwaukee, WI (MKE-General Mitchell Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
The earliest flight from Milwaukee, WI (MKE-General Mitchell Intl.) (MKE) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) (ONT) typically departs at approximately 5:00 AM local time. This is a seasonal service active in June, operated by American Airlines. An early departure like this can help you maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Milwaukee, WI (MKE-General Mitchell Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
You'll typically find the most flights from Milwaukee, WI (MKE-General Mitchell Intl.) (MKE) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) (ONT) on a Friday, with around 40 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Southwest Airlines, United Airlines, and American Airlines. Flight options are fairly consistent throughout the week, with Fridays having only slightly more flights than other days.
What are the most popular departure times for flights from Milwaukee, WI (MKE-General Mitchell Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
The most popular departure times for flights from Milwaukee, WI (MKE-General Mitchell Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) are in the early morning, from 6am to 9am. About 28% of passengers prefer this time window. Many major carriers, including American Airlines, Southwest Airlines and United Airlines, offer flights during this window. This timing works well because it allows you to get an early start on your travel day and arrive at your destination with plenty of time.
How long does it take to fly from Milwaukee, WI (MKE-General Mitchell Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
A flight from MKE to ONT with a layover takes around 6 hours 30 minutes, with the route covering approximately 1,708 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Milwaukee, WI (MKE-General Mitchell Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
Select the "Business class" and "First class" filters when looking for MKE to ONT flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Milwaukee, WI (MKE-General Mitchell Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) flight with Expedia?
It's easy to earn miles on a Milwaukee, WI (MKE-General Mitchell Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Ontario from General Mitchell Intl. (MKE)?
If you're planning to travel to Ontario from General Mitchell Intl. (MKE), you can fly into Los Angeles - Ontario Intl. (ONT) Some flights may connect through major hubs like O'Hare Intl. (ORD), Denver Intl. (DEN), Seattle - Tacoma Intl. (SEA) before reaching Ontario. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Milwaukee, WI (MKE-General Mitchell Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) at the last minute?
Typically, booking a last minute flight from Milwaukee, WI (MKE-General Mitchell Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Milwaukee, WI (MKE-General Mitchell Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) flight and hotel package?
Securing a Milwaukee, WI (MKE-General Mitchell Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Milwaukee, WI (MKE-General Mitchell Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
If you booked your Milwaukee, WI (MKE-General Mitchell Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
General Mitchell Intl.
Destination airport
Ontario Intl. Airport
Distance
2732 km

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Your quick guide to flights from Milwaukee to Ontario Intl. Airport

Pick up great flights from Milwaukee to Ontario Intl. Airport

With Expedia, you have your pick of flights a day with airlines covering flights from Milwaukee to Ontario Intl. Airport. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Milwaukee to Ontario Intl. Airport that take around hours.

Find cheap flights from Milwaukee to Ontario Intl. Airport

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Milwaukee to Ontario Intl. Airport around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Ontario Intl. Airport is normally in .

Reasons to book your flight from Milwaukee to Ontario Intl. Airport with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Milwaukee to Ontario Intl. Airport across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Ontario Intl. Airport right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Milwaukee to Ontario Intl. Airport

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