Cheap Cathay Pacific Flights from San Francisco to Samui Intl. Airport (SFO→USM)

View AU$1,055 flight on Mon, 2 Nov 2026Opens in a new window

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Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Tue, 3 Mar - Sat, 7 Mar
SFO
San Francisco
USM
Koh Samui
AU$1,874 Return, found 2 days ago
AU$1,874
Return
found 2 days ago
Select Cathay Pacific flight, departing Tue, 3 Mar from San Francisco to Koh Samui, returning Sat, 7 Mar, priced at AU$1,874 found 2 days ago
Cathay Pacific
Tue, 3 Mar - Sat, 7 Mar
SFO
San Francisco
USM
Koh Samui
AU$1,944 Return, found 2 days ago
AU$1,944
Return
found 2 days ago
Select Cathay Pacific flight, departing Tue, 3 Mar from San Francisco to Koh Samui, returning Sat, 7 Mar, priced at AU$1,944 found 2 days ago
Cathay Pacific
Tue, 3 Mar - Sat, 7 Mar
SFO
San Francisco
USM
Koh Samui
AU$2,329 Return, found 2 days ago
AU$2,329
Return
found 2 days ago
Select Cathay Pacific flight, departing Tue, 3 Mar from San Francisco to Koh Samui, returning Sat, 7 Mar, priced at AU$2,329 found 2 days ago
Cathay Pacific
Tue, 3 Mar - Sat, 7 Mar
SFO
San Francisco
USM
Koh Samui
AU$2,400 Return, found 2 days ago
AU$2,400
Return
found 2 days ago
Select Cathay Pacific flight, departing Tue, 3 Mar from San Francisco to Koh Samui, returning Sat, 7 Mar, priced at AU$2,400 found 2 days ago
Cathay Pacific
Tue, 3 Mar - Sat, 7 Mar
SFO
San Francisco
USM
Koh Samui
AU$2,785 Return, found 2 days ago
AU$2,785
Return
found 2 days ago
Select Cathay Pacific flight, departing Tue, 3 Mar from San Francisco to Koh Samui, returning Sat, 7 Mar, priced at AU$2,785 found 2 days ago
Cathay Pacific
Tue, 3 Mar - Sat, 7 Mar
SFO
San Francisco
USM
Koh Samui
AU$2,855 Return, found 2 days ago
AU$2,855
Return
found 2 days ago
Select Cathay Pacific flight, departing Tue, 3 Mar from San Francisco to Koh Samui, returning Sat, 7 Mar, priced at AU$2,855 found 2 days ago

Alternative airports near Koh Samui

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Samui Intl. Airport USM. Cheapest and Closest option available. Average driving time to city centre is 31 minutes. Flights from AU$1,554
USM
Samui Intl. Airport
CheapestClosest
Average driving time to city centre31 min
Flights from AU$1,554

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

September is typically the cheapest month to fly

From AU$1,075 - AU$1,703 per traveller.

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Travel information

Origin airport
San Francisco Intl.
Destination airport
Samui Intl. Airport
Distance
13084 km

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