Cheap flights from Ontario to Boston from $124

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 Boston and Barcelona, Orlando, London, San Francisco, Atlanta, Dallas, New York, Mexico City, Fort Lauderdale, Tel Aviv, Washington, D.C., Paris, Tampa, San Juan, Miami, Chicago, Copenhagen, Lisbon, Rome, Philadelphia.

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, Long Beach, Imperial County, Santa Barbara Municipal, McClellan–Palomar.

The main airport in Boston is Logan International. It is also served by Logan International, Bradley International, Rhode Island T. F. Green Int'l Airport, Albany International, Manchester–Boston Regional, Portland International Jetport, Tweed New Haven, Portsmouth International Airport at Pease, Rutland–Southern Vermont Regional, Knox County Regional.

Currently, you can fly between Ontario and Boston with Frontier Airlines, JetBlue Airways, United Airlines, Spirit Airlines, Hawaiian Airlines.

If you don’t have specific dates for your trip between Ontario and Boston, 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 Boston, 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, Long Beach, Imperial County, Santa Barbara Municipal, McClellan–Palomar

There are a number of airports in and around Boston. The main one is Logan International and other nearby airports include Logan International, Bradley International, Rhode Island T. F. Green Int'l Airport, Albany International, Manchester–Boston Regional, Portland International Jetport, Tweed New Haven, Portsmouth International Airport at Pease, Rutland–Southern Vermont Regional, Knox County Regional.