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

Return flights

17 Apr - 22 Apr	Scandinavian Airlines
01 Apr - 29 Apr	Finnair
01 Apr - 22 Apr	Finnair
06 Apr - 27 Apr	Finnair
01 Apr - 26 Apr	Finnair
03 Apr - 24 Apr	Finnair
01 Apr - 29 Apr	Korean Air	direct
01 Apr - 22 Apr	Korean Air	direct
17 Apr - 22 Apr	Korean Air	direct
06 Apr - 27 Apr	Korean Air	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 634€

Return flights