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

Return flights

19 Apr - 14 May	Etihad Airways
12 Apr - 21 Apr	Finnair
23 Apr - 10 May	Finnair
01 Apr - 17 Apr	Finnair
03 Apr - 20 Apr	Finnair
03 Apr - 19 Apr	Finnair
03 Apr - 10 Apr	Finnair
03 Apr - 18 Apr	Qatar Airways
03 Apr - 10 Apr	Korean Air	direct
03 Apr - 18 Apr	Korean Air	direct
01 Apr - 17 Apr	Korean Air	direct
12 Apr - 21 Apr	Asiana Airlines	direct
19 Apr - 14 May	Asiana Airlines	direct
25 Apr - 09 May	Korean Air	direct
23 Apr - 10 May	Asiana Airlines	direct

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

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 April from 581€

Return flights