Cheap flights from Ontario to Buffalo from $191

Travelers frequently search for route combinations, such as Ontario and Guadalajara, Dallas, Las Vegas, San Francisco, Denver, Portland, Phoenix, Seattle, Salt Lake City, Sacramento, Atlanta, Minneapolis, Houston, Detroit, Chicago, Indianapolis, Austin, Mexico City, Cleveland, New York.

Travelers frequently search for route combinations, such as Buffalo and Tampa, Orlando, San Juan, Los Angeles, New York, Atlanta, New Orleans, Raleigh, Salt Lake City, Santo Domingo, Miami, Houston, Minneapolis, Chicago, Pensacola, San Antonio, Denver, Fort Myers, Las Vegas, Fort Lauderdale.

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

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, London International, Erie International, Region of Waterloo International, Elmira/Corning Regional.

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

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 Los Angeles International, Tijuana International, San Diego International, John Wayne, Ontario International, Palm Springs International, Hollywood Burbank, Santa Barbara Municipal, Long Beach, Imperial County

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, London International, Erie International, Region of Waterloo International, Elmira/Corning Regional.