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
25 May - 30 May	Etihad Airways
01 May - 20 May	Etihad Airways
01 May - 09 May	Finnair
01 May - 01 Jun	Etihad Airways
25 May - 06 Jun	Ryanair
08 May - 22 May	Lufthansa
25 May - 30 May	Korean Air	direct
20 May - 30 May	Korean Air	direct
01 May - 09 May	Korean Air	direct
01 May - 20 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 617€

Return flights