Cheap flights from Ontario to Buffalo from $145

Travelers frequently search for route combinations, such as Ontario and Guadalajara, Dallas, Seattle, Las Vegas, San Francisco, Mexico City, Houston, Denver, Honolulu, Sacramento, Chicago, Portland, Washington, D.C., New York, Toronto, Orlando, Veracruz, Cancún, Atlanta, London.

Travelers frequently search for route combinations, such as Buffalo and Orlando, New York, London, San Francisco, Burlington, Nashville, Page, Cedar Rapids, Tupelo, Anchorage, Greenville, Bogotá, Owensboro, Show Low, Miami, Portland, Flint, Tulsa, Cleveland, Milan.

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, Santa Barbara Municipal, Long Beach, Meadows Field, Hawthorne Municipal.

The main airport in Buffalo is Buffalo Niagara International. It is also served by Toronto Pearson International, Billy Bishop Toronto City, Syracuse Hancock International, Greater Rochester International, Buffalo Niagara International, John C. Munro Hamilton International, Erie International, Elmira/Corning Regional, London International, DuBois Regional.

Currently, you can fly between Ontario and Buffalo with Frontier Airlines, JetBlue Airways, United Airlines, BREEZE.

If you don’t have specific dates for your trip between Ontario and Buffalo, 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 Buffalo, 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, John Wayne, Ontario International, Hollywood Burbank, Palm Springs International, Santa Barbara Municipal, Long Beach, Meadows Field, Hawthorne Municipal

There are a number of airports in and around Buffalo. The main one is Buffalo Niagara International and other nearby airports include Toronto Pearson International, Billy Bishop Toronto City, Syracuse Hancock International, Greater Rochester International, Buffalo Niagara International, John C. Munro Hamilton International, Erie International, Elmira/Corning Regional, London International, DuBois Regional.