Flights to Koh Samui from San Francisco

Popular airlines from San Francisco to Koh Samui

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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.

United
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
Select United flight, departing Tue, 26 Aug from San Francisco to Koh Samui, returning Wed, 11 Feb, priced at ฿25,015 found 5 days ago
United
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
Select United flight, departing Tue, 26 Aug from San Francisco to Koh Samui, returning Wed, 11 Feb, priced at ฿25,270 found 5 days ago
United
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
Select United flight, departing Thu, 28 Aug from San Francisco to Koh Samui, returning Sat, 30 Aug, priced at ฿25,340 found 3 days ago
United
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
Select United flight, departing Tue, 26 Aug from San Francisco to Koh Samui, returning Wed, 11 Feb, priced at ฿25,640 found 5 days ago
United
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
Select United flight, departing Tue, 26 Aug from San Francisco to Koh Samui, returning Wed, 11 Feb, priced at ฿25,895 found 5 days ago
United
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
Select United flight, departing Thu, 28 Aug from San Francisco to Koh Samui, returning Sat, 30 Aug, priced at ฿27,310 found 3 days ago
United
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
Select United flight, departing Thu, 28 Aug from San Francisco to Koh Samui, returning Sat, 30 Aug, priced at ฿27,810 found 3 days ago
United
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
Select United flight, departing Tue, 26 Aug from San Francisco to Koh Samui, returning Wed, 11 Feb, priced at ฿30,235 found 5 days ago
EVA Airways
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
Select EVA Airways flight, departing Tue, 26 Aug from San Francisco to Koh Samui, returning Wed, 11 Feb, priced at ฿34,710 found 5 days ago
Japan Airlines
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
Select Japan Airlines flight, departing Tue, 26 Aug from San Francisco to Koh Samui, returning Wed, 11 Feb, priced at ฿35,875 found 5 days ago
China Airlines
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
Select China Airlines flight, departing Tue, 26 Aug from San Francisco to Koh Samui, returning Wed, 11 Feb, priced at ฿36,665 found 5 days ago
Qatar Airways
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
Select Qatar Airways flight, departing Tue, 26 Aug from San Francisco to Koh Samui, returning Wed, 11 Feb, priced at ฿49,480 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

*Available to Expedia members.