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

Return flights

28 May - 31 May	Lufthansa
19 May - 31 May	Lufthansa
19 May - 22 May	Etihad Airways
14 May - 20 May	Lufthansa
13 May - 27 May	Lufthansa
21 May - 31 May	Lufthansa
21 May - 25 May	Etihad Airways
09 May - 15 May	Etihad Airways
16 May - 24 May	Etihad Airways
23 May - 31 May	Etihad Airways
29 May - 05 Jun	Qatar Airways
25 May - 01 Jun	LOT
30 May - 06 Jun	Qatar Airways
23 May - 02 Jun	KLM
25 May - 01 Jun	Korean Air	direct
29 May - 05 Jun	Korean Air	direct
31 May - 06 Jun	Emirates
30 May - 06 Jun	Korean Air	direct

Also check the deals for one-way flights from Seoul to Prague 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 Seoul to Prague in May from $599

Return flights