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

Return flights

05 Apr - 22 Apr	Scandinavian Airlines
20 Apr - 27 Apr	LOT
28 Apr - 15 May	Etihad Airways
13 Apr - 23 Apr	Etihad Airways
14 Apr - 28 Apr	LOT
06 Apr - 22 Apr	LOT
06 Apr - 13 Apr	LOT
07 Apr - 14 Apr	LOT
13 Apr - 22 Apr	LOT
11 Apr - 27 Apr	LOT
15 Apr - 27 Apr	LOT
25 Apr - 05 May	LOT
20 Apr - 01 May	LOT
25 Apr - 04 May	Etihad Airways
26 Apr - 04 May	Etihad Airways
20 Apr - 02 May	LOT
19 Apr - 04 May	LOT
18 Apr - 02 May	LOT
20 Apr - 04 May	LOT
16 Apr - 06 May	Scandinavian Airlines

Also check the deals for one-way flights from Zurich 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 Zurich to Seoul in April from $627

Return flights