Cheap flights from Milwaukee to Ontario from $291

Travelers frequently search for route combinations, such as Milwaukee and Orlando, Las Vegas, Medford, Fort Lauderdale, Fort Myers, Los Angeles, Nassau, Phoenix, Denver, Philadelphia, Vancouver, San Diego, Dallas, Tirana, Kailua, Tampa, Managua, Guatemala City, Panama, Aruba.

Travelers frequently search for route combinations, such as Ontario and San Francisco, Las Vegas, Dallas, Guadalajara, Seattle, Sacramento, Houston, Portland, Denver, Atlanta, Chicago, New York, Los Angeles, Mexico City, Washington, D.C., Rome, Orlando, St. Louis, Columbus, Fargo.

The main airport in Milwaukee is General Mitchell International. It is also served by O Hare International, Chicago Midway International, Gerald R. Ford International, Chicago Rockford International, Appleton International, South Bend International, Dane County Regional, General Mitchell International, Green Bay–Austin Straubel International, Muskegon County.

The main airport in Ontario is Ontario International. It is also served by Tijuana International, San Diego International, John Wayne, Ontario International, Hollywood Burbank, Palm Springs International, Long Beach, Santa Barbara Municipal, McClellan–Palomar, Meadows Field.

Currently, you can fly between Milwaukee and Ontario with United Airlines, Frontier Airlines, JetBlue Airways, Alaska Airlines, WestJet.

If you don’t have specific dates for your trip between Milwaukee and Ontario, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Traveling between Milwaukee and Ontario, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

There are a number of airports in and around Milwaukee. The main one is General Mitchell International and other nearby airports include O Hare International, Chicago Midway International, Gerald R. Ford International, Chicago Rockford International, Appleton International, South Bend International, Dane County Regional, General Mitchell International, Green Bay–Austin Straubel International, Muskegon County

There are a number of airports in and around Ontario. The main one is Ontario International and other nearby airports include Tijuana International, San Diego International, John Wayne, Ontario International, Hollywood Burbank, Palm Springs International, Long Beach, Santa Barbara Municipal, McClellan–Palomar, Meadows Field.