Cheap flights from Ontario to Athens from $391

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 Athens and New York, Los Angeles, Orlando, Boston, Miami, Tel Aviv, Washington, D.C., Atlanta, Chicago, San Francisco, San Diego, Phoenix, London, Dallas, Honolulu, Minneapolis, Denver, Portland, San Juan, Detroit.

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

The main airport in Athens is Athens International. It is also served by Milos Island National, Kalamata International, Araxos.

Currently, you can fly between Ontario and Athens with Frontier Airlines, easyJet, Icelandair, Alaska Airlines, Aegean.

If you don’t have specific dates for your trip between Ontario and Athens, 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 Athens, 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, Palm Springs International, Hollywood Burbank, Long Beach, Imperial County, Meadows Field, Santa Barbara Municipal

There are a number of airports in and around Athens. The main one is Athens International and other nearby airports include Milos Island National, Kalamata International, Araxos.