Cheapest return flights from Ko Samui to Seoul in September from 424€

AirHint found the following cheapest return flights from Ko Samui (USM) to Seoul (ICN) in September 2025 (see full year).

Return flights

17 Sep - 24 Sep Scoot

Also check the deals for one-way flights from Ko Samui to Seoul in September.

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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