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

Return flights

01 Apr - 28 Apr	SWISS
01 Apr - 15 Apr	SWISS
01 Apr - 08 Apr	SWISS
06 Apr - 13 Apr	SWISS
21 Apr - 28 Apr	Lufthansa
21 Apr - 12 May	Lufthansa
15 Apr - 21 Apr	Scandinavian Airlines
22 Apr - 29 Apr	SWISS
25 Apr - 05 May	Scandinavian Airlines
15 Apr - 20 Apr	Lufthansa
03 Apr - 13 Apr	Lufthansa
30 Apr - 04 May	Lufthansa
23 Apr - 26 Apr	Etihad Airways
29 Apr - 05 May	Scandinavian Airlines
30 Apr - 07 May	Lufthansa
30 Apr - 08 May	Lufthansa
26 Apr - 04 May	Etihad Airways
17 Apr - 04 May	Qatar Airways
26 Apr - 03 May	Lufthansa
22 Apr - 09 May	SWISS

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 $588

Return flights