Cheap flights from Seoul, South Korea to Ontario, CA

Travelers frequently search for route combinations, such as Seoul and Bangkok, Hong Kong, Singapore, Melbourne, Taipei, Kuala Lumpur, Sydney, Tokyo, Manila, Kota Kinabalu, Hanoi, Busan, Ho Chi Minh City, Angeles, Jeju City, Osaka, Cairns, Kaohsiung, New Delhi, Perth.

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., Manchester, Detroit.

Seoul is mainly served by Incheon International. But there are other airports nearby, including Gimpo International, Seoul Air Base.

The main airport in Seoul is Incheon International. It is also served by Daegu International, Cheongju International, Gunsan, Wonju.

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, Santa Barbara Municipal, Imperial County.

Yes, it's possible to combine different modes of transport between Seoul and Ontario thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Seoul 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 Seoul and Ontario with ZIPAIR, Frontier Airlines, Hawaiian Airlines, Alaska Airlines, Air Busan.

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