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

Return flights

19 Apr - 27 Apr	Etihad Airways
29 Apr - 11 May	Etihad Airways
22 Apr - 29 Apr	Etihad Airways
13 Apr - 19 Apr	Finnair
15 Apr - 23 Apr	Finnair
15 Apr - 20 Apr	Finnair
01 Apr - 15 Apr	Etihad Airways
01 Apr - 18 Apr	Etihad Airways
05 Apr - 18 Apr	Finnair
20 Apr - 26 Apr	Etihad Airways
12 Apr - 30 Apr	Etihad Airways
24 Apr - 09 May	Finnair
19 Apr - 05 May	Lufthansa
22 Apr - 14 May	LOT
29 Apr - 11 May	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 592€

Return flights