Cheapest one-way flights from Ko Samui to Seoul in May from $239

Best time to book flights for Ko Samui (USM) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest one-way flights from Ko Samui (USM) to Seoul (ICN) in May 2025 (see full year).

One-Way flights

06 May Scoot Tigerair
04 May Scoot Tigerair

Also check the deals for return flights from Ko Samui to Seoul in May.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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