฿20,815 Cheap EVA Airways flights from San Francisco to Samui Intl. Airport (SFO→USM)

View ฿20,815 flight on Fri, 30 Jan 2026Opens in a new window

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EVA Airways flights from San Francisco to Samui Intl. Airport (SFO→USM)

Prices were available within the past 7 days and start at ฿20,815 for one-way flights and ฿33,615 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

EVA Airways
Mon, 2 Feb - Mon, 9 Feb
SFO
San Francisco
USM
Koh Samui
฿33,615 Return, found 4 days ago
฿33,615
Return
found 4 days ago
Select EVA Airways flight, departing Mon, 2 Feb from San Francisco to Koh Samui, returning Mon, 9 Feb, priced at ฿33,615 found 4 days ago
EVA Airways
Mon, 2 Feb - Mon, 9 Feb
SFO
San Francisco
USM
Koh Samui
฿36,455 Return, found 4 days ago
฿36,455
Return
found 4 days ago
Select EVA Airways flight, departing Mon, 2 Feb from San Francisco to Koh Samui, returning Mon, 9 Feb, priced at ฿36,455 found 4 days ago
EVA Airways
Tue, 3 Feb - Sat, 7 Feb
SFO
San Francisco
USM
Koh Samui
฿36,835 Return, found 6 days ago
฿36,835
Return
found 6 days ago
Select EVA Airways flight, departing Tue, 3 Feb from San Francisco to Koh Samui, returning Sat, 7 Feb, priced at ฿36,835 found 6 days ago
EVA Airways
Tue, 3 Feb - Sat, 7 Feb
SFO
San Francisco
USM
Koh Samui
฿37,780 Return, found 6 days ago
฿37,780
Return
found 6 days ago
Select EVA Airways flight, departing Tue, 3 Feb from San Francisco to Koh Samui, returning Sat, 7 Feb, priced at ฿37,780 found 6 days ago
EVA Airways
Mon, 2 Feb - Mon, 9 Feb
SFO
San Francisco
USM
Koh Samui
฿37,860 Return, found 4 days ago
฿37,860
Return
found 4 days ago
Select EVA Airways flight, departing Mon, 2 Feb from San Francisco to Koh Samui, returning Mon, 9 Feb, priced at ฿37,860 found 4 days ago
EVA Airways
Tue, 3 Feb - Sat, 7 Feb
SFO
San Francisco
USM
Koh Samui
฿39,280 Return, found 6 days ago
฿39,280
Return
found 6 days ago
Select EVA Airways flight, departing Tue, 3 Feb from San Francisco to Koh Samui, returning Sat, 7 Feb, priced at ฿39,280 found 6 days ago

Find the cheapest month to fly from San Francisco (SFO) to Koh Samui (USM)

September is typically the cheapest month to fly

From ฿22,451 - ฿35,568 per traveller.
Flight from San Francisco to Samui Intl. Airport route information
Origin airport
San Francisco Intl.
Destination airport
Samui Intl. Airport
Distance
13084 km
*Available to Expedia members.