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

Return flights

02 Apr - 19 Apr	Lufthansa
06 Apr - 13 Apr	SWISS
22 Apr - 27 Apr	SWISS
29 Apr - 05 May	Scandinavian Airlines
20 Apr - 24 Apr	Scandinavian Airlines
07 Apr - 12 Apr	Lufthansa
23 Apr - 26 Apr	Etihad Airways
30 Apr - 05 May	Lufthansa
29 Apr - 03 May	SWISS
08 Apr - 17 Apr	SWISS
16 Apr - 24 Apr	Qatar Airways
16 Apr - 21 Apr	Qatar Airways
29 Apr - 04 May	SWISS
22 Apr - 29 Apr	SWISS
30 Apr - 06 May	Lufthansa
30 Apr - 10 May	Etihad Airways
30 Apr - 08 May	Lufthansa
27 Apr - 02 May	Singapore Airlines
26 Apr - 04 May	Lufthansa
25 Apr - 02 May	LOT

Also check the deals for one-way flights from Seoul to Prague 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 Seoul to Prague in April from 522€

Return flights