Cheapest return flights from Ko Samui to Seoul in April from $515

AirHint found the following cheapest return flights from Ko Samui (USM) to Seoul (ICN) in April 2026 (see full year).

Return flights

19 Apr - 22 Apr Bangkok Airways
03 Apr - 08 Apr Bangkok Airways

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

Powered by

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Feel free to contact us with any feedback or request another flight research.