San Francisco (SFO) to Ko Samui (USM) flight deal in economy from $851

Cathay PacificCXCathay Pacific
Round Trip•Economy
United StatesSFO

San Francisco International Airport

San Francisco, United States
ThailandUSM

Samui Airport

Ko Samui, Thailand
$1,491 USD
-43%$851 USD
Verified about 5 hours ago
Fair Availability
21% of dates checked are available within 10% of the lowest price

Wednesday, October 14th, 2026

6 round-trip options

Returning
Mon, Oct 19, 2026•5 Day Trip
$1,301 USD
Google Flights
Returning
Tue, Oct 20, 2026•6 Day Trip
$1,227 USD
Google Flights
Returning
Wed, Oct 21, 2026•7 Day Trip
$1,227 USD
Google Flights
Returning
Thu, Oct 22, 2026•8 Day Trip
$1,089 USD
Google Flights
Returning
Fri, Oct 23, 2026•9 Day Trip
$1,089 USD
Google Flights
Returning
Sat, Oct 24, 2026•10 Day Trip
$1,039 USD
Google Flights