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

Return flights

15 May - 31 May	Hainan Airlines
26 May - 06 Jun	LOT
27 May - 10 Jun	LOT
12 May - 26 May	LOT
30 May - 06 Jun	LOT
07 May - 11 May	LOT
20 May - 30 May	LOT
18 May - 26 May	LOT
05 May - 21 May	LOT
18 May - 28 May	LOT
19 May - 02 Jun	LOT
07 May - 25 May	LOT
19 May - 29 May	Etihad Airways
09 May - 16 May	LOT
31 May - 07 Jun	Etihad Airways
27 May - 08 Jun	Ryanair
01 May - 01 Jun	LOT
27 May - 07 Jun	Lufthansa
27 May - 10 Jun	Korean Air	direct
30 May - 06 Jun	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 545€

Return flights