SFO to USM from $851 in economy – flightdeals.net

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Cathay Pacific

CXCathay Pacific

Round Trip•Economy

San Francisco International Airport

San Francisco, United States

Samui Airport

Ko Samui, Thailand

$1,491 USD

-43%$851 USD

Verified about 5 hours ago

October 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

28$1,439 29$1,222 30$1,754 1$1,754 2$1,272 3$1,089 4$995 5$1,112 6$1,754 7$1,112 8$1,178 9$1,228 10$1,760 11$1,068 12$1,112 13$851 14$1,039 15$1,112 16$1,089 17$1,089 18$851 19$1,039 20 21 22 23 24 25 26 27 28 29 30 31 1

Fair Availability

21% of dates checked are available within 10% of the lowest price

Sunday, October 18th, 2026

2 round-trip options

Returning

Fri, Oct 23, 2026•5 Day Trip

$901 USD

Returning

Sat, Oct 24, 2026•6 Day Trip

$851 USD