Cheap flights from Ontario, CA to Chicago, IL

Travelers frequently search for route combinations, such as Ontario and Orlando, New York, Denver, London, Austin, Las Vegas, Boston, San Francisco, Stockton, Richmond, Jacksonville, Guatemala City, Nassau, Bengaluru, Oklahoma City, Boise, Cincinnati, Manchester, Indianapolis, Minneapolis.

Travelers frequently search for route combinations, such as Chicago and London, Dublin, Manchester, Toronto, Athens, Orlando, San Francisco, Hyderabad, New York, Las Vegas, Edinburgh, Denver, Bangkok, Minneapolis, Riga, Glasgow, Austin, San Juan, Edmonton, Tallinn.

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

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

If you don’t have specific dates for your trip between Ontario and Chicago, 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 Ontario and Chicago, 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 Ontario. The main one is Ontario International and other nearby airports include Tijuana International, San Diego International, Ontario International, John Wayne, Palm Springs International, Hollywood Burbank, Santa Barbara Municipal, Meadows Field, Long Beach, Hawthorne Municipal

This depends on the airline's flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Ontario, such as morning, afternoon, evening, or night, or select the exact hours for departure.

This depends on the airline's flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Chicago, such as morning, afternoon, evening, or night, or select the exact hours for arrival.