Flights to Koh Samui from Seoul

View ฿7,739 flight on Tue, 21 Apr 2026Opens in a new window

Popular airlines from Seoul to Koh Samui

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Cheap Flights from Seoul (SEL) to Koh Samui (USM)

Prices were available within the past 7 days and start at ฿7,739 for one-way flights and ฿21,203 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Thu, 4 Sep - Thu, 11 Sep
ICN
Seoul
USM
Koh Samui
฿21,203 Return, found 4 hours ago
฿21,203
Return
found 4 hours ago
Select Scoot flight, departing Thu, 4 Sep from Seoul to Koh Samui, returning Thu, 11 Sep, priced at ฿21,203 found 4 hours ago
Asiana Airlines
Thu, 4 Sep - Thu, 11 Sep
ICN
Seoul
USM
Koh Samui
฿21,630 Return, found 4 hours ago
฿21,630
Return
found 4 hours ago
Select Asiana Airlines flight, departing Thu, 4 Sep from Seoul to Koh Samui, returning Thu, 11 Sep, priced at ฿21,630 found 4 hours ago
Korean Air
Thu, 4 Sep - Thu, 11 Sep
ICN
Seoul
USM
Koh Samui
฿21,640 Return, found 4 hours ago
฿21,640
Return
found 4 hours ago
Select Korean Air flight, departing Thu, 4 Sep from Seoul to Koh Samui, returning Thu, 11 Sep, priced at ฿21,640 found 4 hours ago
Scoot
Mon, 4 Aug - Thu, 7 Aug
ICN
Seoul
USM
Koh Samui
฿21,877 Return, found 4 hours ago
฿21,877
Return
found 4 hours ago
Select Scoot flight, departing Mon, 4 Aug from Seoul to Koh Samui, returning Thu, 7 Aug, priced at ฿21,877 found 4 hours ago
EVA Airways
Thu, 4 Sep - Thu, 11 Sep
ICN
Seoul
USM
Koh Samui
฿22,160 Return, found 4 hours ago
฿22,160
Return
found 4 hours ago
Select EVA Airways flight, departing Thu, 4 Sep from Seoul to Koh Samui, returning Thu, 11 Sep, priced at ฿22,160 found 4 hours ago
Cathay Pacific
Thu, 4 Sep - Thu, 11 Sep
ICN
Seoul
USM
Koh Samui
฿24,930 Return, found 4 hours ago
฿24,930
Return
found 4 hours ago
Select Cathay Pacific flight, departing Thu, 4 Sep from Seoul to Koh Samui, returning Thu, 11 Sep, priced at ฿24,930 found 4 hours ago
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