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

Return flights

03 Sep - 17 Sep	Lufthansa
03 Sep - 16 Sep	Lufthansa
18 Sep - 26 Sep	Turkish Airlines
22 Sep - 30 Sep	Etihad Airways
23 Sep - 01 Oct	Etihad Airways
01 Sep - 15 Sep	Etihad Airways
19 Sep - 02 Oct	Etihad Airways
19 Sep - 31 Oct	Etihad Airways
01 Sep - 17 Sep	Air France
01 Sep - 14 Sep	Lufthansa
06 Sep - 26 Sep	Turkish Airlines
20 Sep - 03 Oct	Turkish Airlines
12 Sep - 21 Sep	LOT
29 Sep - 22 Oct	Air France
27 Sep - 12 Oct	LOT
04 Sep - 26 Sep	Turkish Airlines
27 Sep - 17 Oct	Lufthansa
25 Sep - 17 Oct	LOT
27 Sep - 18 Oct	Lufthansa
26 Sep - 17 Oct	LOT

Also check the deals for one-way flights from Zurich to Seoul in September.

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 September from 539€

Return flights