Cheap Flights from Singapore to Koh Samui

View €126 flight on Wed, 8 Oct 2025Opens in a new window

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Cheap flights from Singapore to Koh Samui (SIN-USM)

Prices were available within the past 7 days and start at €126 for one-way flights and €226 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Tue, 11 Nov - Fri, 14 Nov
SIN
Singapore
USM
Koh Samui
€226 Return, found 4 days ago
€226
Return
found 4 days ago
Select Scoot flight, departing Tue, 11 Nov from Singapore to Koh Samui, returning Fri, 14 Nov, priced at €226 found 4 days ago
Scoot
Thu, 11 Sep - Sun, 14 Sep
SIN
Singapore
USM
Koh Samui
€227 Return, found 10 hours ago
€227
Return
found 10 hours ago
Select Scoot flight, departing Thu, 11 Sep from Singapore to Koh Samui, returning Sun, 14 Sep, priced at €227 found 10 hours ago
Scoot
Sat, 11 Oct - Fri, 17 Oct
SIN
Singapore
USM
Koh Samui
€243 Return, found 1 day ago
€243
Return
found 1 day ago
Select Scoot flight, departing Sat, 11 Oct from Singapore to Koh Samui, returning Fri, 17 Oct, priced at €243 found 1 day ago
Scoot
Tue, 11 Nov - Fri, 14 Nov
SIN
Singapore
USM
Koh Samui
€250 Return, found 4 days ago
€250
Return
found 4 days ago
Select Scoot flight, departing Tue, 11 Nov from Singapore to Koh Samui, returning Fri, 14 Nov, priced at €250 found 4 days ago
Thai Airways International
Sun, 12 Oct - Sat, 18 Oct
SIN
Singapore
USM
Koh Samui
€441 Return, found 20 hours ago
€441
Return
found 20 hours ago
Select Thai Airways International flight, departing Sun, 12 Oct from Singapore to Koh Samui, returning Sat, 18 Oct, priced at €441 found 20 hours ago
Bangkok Airways
Thu, 11 Sep - Sun, 14 Sep
SIN
Singapore
USM
Koh Samui
€862 Return, found 10 hours ago
€862
Return
found 10 hours ago
Select Bangkok Airways flight, departing Thu, 11 Sep from Singapore to Koh Samui, returning Sun, 14 Sep, priced at €862 found 10 hours ago

Find the cheapest month to fly from Singapore (SIN) to Koh Samui (USM)

October is typically the cheapest month to fly

From €207 - €289 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.