Flights to Koh Samui from Sydney

View ฿7,862 flight on Wed, 8 Oct 2025Opens in a new window

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Cheap Flights from Sydney (SYD) to Koh Samui (USM)

Prices were available within the past 7 days and start at ฿7,862 for one-way flights and ฿14,779 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Sat, 8 Nov - Sat, 22 Nov
SYD
Sydney
USM
Koh Samui
฿14,779 Return, found 8 hours ago
฿14,779
Return
found 8 hours ago
Select Scoot flight, departing Sat, 8 Nov from Sydney to Koh Samui, returning Sat, 22 Nov, priced at ฿14,779 found 8 hours ago
Scoot
Tue, 2 Sep - Thu, 18 Sep
SYD
Sydney
USM
Koh Samui
฿14,804 Return, found 1 day ago
฿14,804
Return
found 1 day ago
Select Scoot flight, departing Tue, 2 Sep from Sydney to Koh Samui, returning Thu, 18 Sep, priced at ฿14,804 found 1 day ago
Bangkok Airways
Wed, 17 Sep - Sun, 21 Sep
SYD
Sydney
USM
Koh Samui
฿27,435 Return, found 6 days ago
฿27,435
Return
found 6 days ago
Select Bangkok Airways flight, departing Wed, 17 Sep from Sydney to Koh Samui, returning Sun, 21 Sep, priced at ฿27,435 found 6 days ago
China Airlines
Wed, 17 Sep - Sun, 21 Sep
SYD
Sydney
USM
Koh Samui
฿29,980 Return, found 6 days ago
฿29,980
Return
found 6 days ago
Select China Airlines flight, departing Wed, 17 Sep from Sydney to Koh Samui, returning Sun, 21 Sep, priced at ฿29,980 found 6 days ago
British Airways
Sat, 8 Nov - Sat, 22 Nov
SYD
Sydney
USM
Koh Samui
฿31,755 Return, found 8 hours ago
฿31,755
Return
found 8 hours ago
Select British Airways flight, departing Sat, 8 Nov from Sydney to Koh Samui, returning Sat, 22 Nov, priced at ฿31,755 found 8 hours ago
Thai Airways International
Sat, 8 Nov - Sat, 22 Nov
SYD
Sydney
USM
Koh Samui
฿31,755 Return, found 8 hours ago
฿31,755
Return
found 8 hours ago
Select Thai Airways International flight, departing Sat, 8 Nov from Sydney to Koh Samui, returning Sat, 22 Nov, priced at ฿31,755 found 8 hours ago
*Available to Expedia members.