Cheap flights from San Francisco to Ko Samui from $641

Travelers frequently search for route combinations, such as San Francisco and Calgary, New York, Las Vegas, Los Angeles, Phoenix, Dallas, Toronto, Barcelona, Chicago, Mexico City, San Diego, Vancouver, Denver, Seoul, Ontario, Tokyo, Minneapolis, Paris, Salt Lake City, Atlanta.

Travelers frequently search for route combinations, such as Ko Samui and Bangkok, Los Angeles, Chiang Mai, Singapore, Denpasar, Honolulu, Seattle, Phuket City, Chiang Rai Province, Ho Chi Minh City, Siem Reap, Kuala Lumpur, Krabi, Seoul, Hanoi, Hong Kong, New Delhi, Udon Thani, Dubai, Okinawa Island.

The main airport in San Francisco is San Francisco International. It is also served by San Francisco International, Oakland International, Sacramento International, San Jose International, Monterey Regional, Stockton Metropolitan, Charles M. Schulz–Sonoma County, Merced Regional.

The main airport in Ko Samui is Samui. It is also served by Samui, Surat Thani International, Nakhon Si Thammarat.

Currently, you can fly between San Francisco and Ko Samui with Bangkok Airways, EVA Air, Asiana Airlines, Hawaiian Airlines, Flair Airlines.

If you don’t have specific dates for your trip between San Francisco and Ko Samui, 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 San Francisco and Ko Samui, 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 San Francisco. The main one is San Francisco International and other nearby airports include San Francisco International, Oakland International, Sacramento International, San Jose International, Monterey Regional, Stockton Metropolitan, Charles M. Schulz–Sonoma County, Merced Regional

There are a number of airports in and around Ko Samui. The main one is Samui and other nearby airports include Samui, Surat Thani International, Nakhon Si Thammarat.