Cheap flights from Tucson, AZ to Ontario, CA

Travelers frequently search for route combinations, such as Tucson and London, Paris, Las Vegas, Medicine Hat, Los Angeles, Athens, Orlando, Florence, Denver, Berlin, Dublin, Minneapolis, Houston, Guatemala City, Mexico City, Panama, Hong Kong, Kansas City, Minot, Atlanta.

Travelers frequently search for route combinations, such as Ontario and London, New York, Bangkok, San Francisco, Denver, Sacramento, Taipei, Manila, Toronto, Calgary, Seattle, Las Vegas, San Jose, Orlando, Houston, Macau, Los Angeles, Washington, D.C., Manchester, Detroit.

Tucson is mainly served by Tucson International. But there are other airports nearby, including Marana Regional Airport.

The main airport in Tucson is Tucson International. It is also served by Phoenix Sky Harbor International, Phoenix–Mesa Gateway.

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

Yes, it's possible to combine different modes of transport between Tucson and Ontario thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Tucson and Ontario can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.

Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.

Currently, you can fly between Tucson and Ontario with United Airlines, Alaska Airlines.

If you don’t have specific dates for your trip between Tucson 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.