Cheap flights from Gillette to Ontario from $352

Travelers frequently search for route combinations, such as Gillette and Saint Thomas, Kyiv, Bogotá, Santo Domingo, Key West, Oakland, Johannesburg, Malé, Rio de Janeiro, Guatemala City, Warsaw, Kahului, Boston, Dallas, Stockholm, Syracuse, Zürich, São Paulo, Atlanta, Phoenix.

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 Gillette is Gillette–Campbell County. It is also served by Rapid City Regional, Casper–Natrona County International, Gillette–Campbell County.

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, Hawthorne Municipal, Long Beach, Imperial County.

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

If you don’t have specific dates for your trip between Gillette 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 Gillette 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 Gillette. The main one is Gillette–Campbell County and other nearby airports include Rapid City Regional, Casper–Natrona County International, Gillette–Campbell 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, Ontario International, John Wayne, Palm Springs International, Hollywood Burbank, Santa Barbara Municipal, Hawthorne Municipal, Long Beach, Imperial County.