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 ฿22,905 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Tue, 5 Aug - Sat, 9 Aug
ICN
Seoul
USM
Koh Samui
฿22,905 Return, found 1 day ago
฿22,905
Return
found 1 day ago
Select Scoot flight, departing Tue, 5 Aug from Seoul to Koh Samui, returning Sat, 9 Aug, priced at ฿22,905 found 1 day ago
EVA Airways
Tue, 5 Aug - Sat, 9 Aug
ICN
Seoul
USM
Koh Samui
฿23,480 Return, found 1 day ago
฿23,480
Return
found 1 day ago
Select EVA Airways flight, departing Tue, 5 Aug from Seoul to Koh Samui, returning Sat, 9 Aug, priced at ฿23,480 found 1 day ago
Scoot
Tue, 5 Aug - Sat, 9 Aug
ICN
Seoul
USM
Koh Samui
฿23,662 Return, found 1 day ago
฿23,662
Return
found 1 day ago
Select Scoot flight, departing Tue, 5 Aug from Seoul to Koh Samui, returning Sat, 9 Aug, priced at ฿23,662 found 1 day ago
Korean Air
Tue, 5 Aug - Sat, 9 Aug
ICN
Seoul
USM
Koh Samui
฿27,700 Return, found 1 day ago
฿27,700
Return
found 1 day ago
Select Korean Air flight, departing Tue, 5 Aug from Seoul to Koh Samui, returning Sat, 9 Aug, priced at ฿27,700 found 1 day ago
Asiana Airlines
Tue, 5 Aug - Sat, 9 Aug
ICN
Seoul
USM
Koh Samui
฿31,055 Return, found 1 day ago
฿31,055
Return
found 1 day ago
Select Asiana Airlines flight, departing Tue, 5 Aug from Seoul to Koh Samui, returning Sat, 9 Aug, priced at ฿31,055 found 1 day ago
Thai Airways International
Tue, 5 Aug - Sat, 9 Aug
ICN
Seoul
USM
Koh Samui
฿36,010 Return, found 1 day ago
฿36,010
Return
found 1 day ago
Select Thai Airways International flight, departing Tue, 5 Aug from Seoul to Koh Samui, returning Sat, 9 Aug, priced at ฿36,010 found 1 day ago
*Available to Expedia members.