Cheap flights from Athens, Greece to Ontario, CA

Travelers frequently search for route combinations, such as Athens and London, Larnaca, Thessaloniki, Heraklion, Vienna, Budapest, Brussels, Milan, Chania, Paris, Barcelona, Berlin, Frankfurt, Edinburgh, Rome, New York, Reykjavik, Rhodes, Mykonos, Amsterdam.

Travelers frequently search for route combinations, such as Ontario and London, New York, Bangkok, San Francisco, Denver, Sacramento, Taipei, Manila, Toronto, Calgary, Seattle, Las Vegas, San Jose, Orlando, Houston, Macau, Los Angeles, Washington, D.C., Edmonton, Cincinnati.

Athens is mainly served by Athens International. But there are other airports nearby, including Athen Helenikon Airport.

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

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

Yes, it's possible to combine different modes of transport between Athens and Ontario thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Athens and Ontario can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.

Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.

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

If you don’t have specific dates for your trip between Athens 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.