Cheap flights from Bangkok, Thailand to Ontario, CA

Travelers frequently search for route combinations, such as Bangkok and Chiang Mai, Krabi, Hat Yai, Nakhon Si Thammarat Province, Surat Thani Province, Chiang Rai Province, Khon Kaen, Seoul, Udon Thani, Tokyo, Ubon Ratchathani Province, Singapore, Phitsanulok, London, Ko Samui, Sydney, Nan Province, Denpasar, Ho Chi Minh City, Kuala Lumpur.

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

Bangkok is mainly served by Suvarnabhumi. But there are other airports nearby, including Don Mueang International.

The main airport in Bangkok is Suvarnabhumi. It is also served by U-Tapao International, Hua Hin.

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

Yes, it's possible to combine different modes of transport between Bangkok and Ontario thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Bangkok 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 Bangkok and Ontario with Frontier Airlines, ZIPAIR, Thai AirAsia X, Spirit Airlines, Philippine Airlines.

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