Cheap flights from Billings to Ontario from $132

Travelers frequently search for route combinations, such as Billings and Guadalajara, Puerto Escondido, Oaxaca, Phoenix, Las Vegas, Fresno, Nice, Burbank, Memphis, Puerto Limón, Jackson, São Paulo, Richmond, George, Tamarindo, Warsaw, Bangor, La Paz, Moline, Rio de Janeiro, Bariloche.

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 Billings is Billings Logan International. It is also served by Bozeman Yellowstone International, Billings Logan International, Yellowstone Regional.

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, Long Beach, Santa Barbara Municipal, Imperial County, Meadows Field.

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

If you don’t have specific dates for your trip between Billings 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 Billings 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 Billings. The main one is Billings Logan International and other nearby airports include Bozeman Yellowstone International, Billings Logan International, Yellowstone Regional

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, Hollywood Burbank, Palm Springs International, Long Beach, Santa Barbara Municipal, Imperial County, Meadows Field.