AirHint found the following cheapest return flights from Hong Kong (HKG) to Zurich (ZRH) in September 2025 (see full year).

Return flights

16 Sep - 23 Sep	Air France
16 Sep - 24 Sep	KLM
14 Sep - 28 Sep	SWISS	direct
11 Sep - 22 Sep	SWISS	direct
16 Sep - 25 Sep	KLM
15 Sep - 28 Sep	Finnair
15 Sep - 23 Sep	Finnair
17 Sep - 26 Sep	Air France
15 Sep - 28 Sep	SWISS	direct
17 Sep - 25 Sep	Air France
09 Sep - 01 Oct	Finnair
23 Sep - 02 Oct	Air France
17 Sep - 01 Oct	Finnair
21 Sep - 01 Oct	Finnair
09 Sep - 02 Oct	Finnair
22 Sep - 02 Oct	Finnair
25 Sep - 02 Oct	Finnair
29 Sep - 13 Oct	Finnair
20 Sep - 04 Oct	Finnair
17 Sep - 01 Oct	SWISS	direct

Also check the deals for one-way flights from Hong Kong to Zurich 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 Hong Kong to Zurich in September from 533€

Return flights