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

Return flights

01 Apr - 22 Apr	SWISS
01 Apr - 09 Apr	Lufthansa
02 Apr - 23 Apr	Lufthansa
02 Apr - 09 Apr	Lufthansa
01 Apr - 08 Apr	Lufthansa
03 Apr - 10 Apr	Qatar Airways
03 Apr - 09 Apr	Qatar Airways
02 Apr - 06 Apr	Lufthansa
23 Apr - 26 Apr	Etihad Airways
09 Apr - 16 Apr	Etihad Airways
27 Apr - 03 May	Etihad Airways
28 Apr - 03 May	Lufthansa
22 Apr - 03 May	SWISS
29 Apr - 05 May	Etihad Airways
23 Apr - 03 May	Etihad Airways
27 Apr - 04 May	Etihad Airways
27 Apr - 06 May	Etihad Airways
20 Apr - 01 May	Etihad Airways
28 Apr - 06 May	Lufthansa
30 Apr - 10 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 513€

Return flights