AirHint found the following cheapest return flights from Prague (PRG) to Seoul (ICN) in May 2026 (see full year).

Return flights

20 May - 30 May	Etihad Airways
01 May - 08 May	Scandinavian Airlines
26 May - 05 Jun	Finnair
04 May - 18 May	Finnair
01 May - 15 May	Scandinavian Airlines
22 May - 30 May	Scandinavian Airlines
20 May - 30 May	Korean Air	direct
04 May - 18 May	Korean Air	direct
22 May - 30 May	Korean Air	direct
01 May - 08 May	Korean Air	direct
01 May - 15 May	Korean Air	direct

Also check the deals for one-way flights from Prague to Seoul in May.

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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Cheapest return flights from Prague to Seoul in May from 603€

Return flights