
Popular airlines from San Francisco to Koh Samui
- Singapore Airlines
Singapore Airlines
- EVA Airways
EVA Airways
- Qatar Airways
Qatar Airways
- British Airways
British Airways
- Turkish Airlines
Turkish Airlines
- Cathay Pacific
Cathay Pacific
- China Airlines
China Airlines
- Plan, book, fly with confidence
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Cheap Flights from San Francisco (SJC) to Koh Samui (USM)
Prices were available within the past 7 days and start at for one-way flights and ฿25,015 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, 26 Aug - Wed, 11 Feb
SFO
San Francisco
USM
Koh Samui
฿25,015 Return, found 5 days ago
฿25,015
Return
found 5 days ago

Tue, 26 Aug - Wed, 11 Feb
SFO
San Francisco
USM
Koh Samui
฿25,270 Return, found 5 days ago
฿25,270
Return
found 5 days ago

Thu, 28 Aug - Sat, 30 Aug
SFO
San Francisco
USM
Koh Samui
฿25,340 Return, found 3 days ago
฿25,340
Return
found 3 days ago

Tue, 26 Aug - Wed, 11 Feb
SFO
San Francisco
USM
Koh Samui
฿25,640 Return, found 5 days ago
฿25,640
Return
found 5 days ago

Tue, 26 Aug - Wed, 11 Feb
SFO
San Francisco
USM
Koh Samui
฿25,895 Return, found 5 days ago
฿25,895
Return
found 5 days ago

Thu, 28 Aug - Sat, 30 Aug
SFO
San Francisco
USM
Koh Samui
฿27,310 Return, found 3 days ago
฿27,310
Return
found 3 days ago

Thu, 28 Aug - Sat, 30 Aug
SFO
San Francisco
USM
Koh Samui
฿27,810 Return, found 3 days ago
฿27,810
Return
found 3 days ago

Tue, 26 Aug - Wed, 11 Feb
SFO
San Francisco
USM
Koh Samui
฿30,235 Return, found 5 days ago
฿30,235
Return
found 5 days ago

Tue, 26 Aug - Wed, 11 Feb
SFO
San Francisco
USM
Koh Samui
฿34,710 Return, found 5 days ago
฿34,710
Return
found 5 days ago

Tue, 26 Aug - Wed, 11 Feb
SFO
San Francisco
USM
Koh Samui
฿35,875 Return, found 5 days ago
฿35,875
Return
found 5 days ago

Tue, 26 Aug - Wed, 11 Feb
SFO
San Francisco
USM
Koh Samui
฿36,665 Return, found 5 days ago
฿36,665
Return
found 5 days ago

Tue, 26 Aug - Wed, 11 Feb
SFO
San Francisco
USM
Koh Samui
฿49,480 Return, found 5 days ago
฿49,480
Return
found 5 days ago
Find the cheapest month to fly from San Francisco (SFO) to Koh Samui (USM)
August is typically the cheapest month to fly
From ฿25,054 - ฿49,893 per traveller.
Graph displaying average flight prices per month
Expedia's Latest Trends
Packages
*Available to Expedia members.