Cheap Flights from San Francisco to Koh Samui : ✈️ SJC→USM from HK$10,014

    Plan, book, fly with confidence
  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 35% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards

Find Cheap Flights from San Francisco (SJC) to Koh Samui (USM)

Prices were available within the past 7 days and start at HK$10,014 for one-way flights and HK$15,471 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

EVA Airways
EVA Airways
EVA Airways
China Airlines
EVA Airways
STARLUX Airlines
*Available to Expedia members.