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

Return flights

22 Sep - 28 Sep	IndiGo
04 Sep - 27 Sep	IndiGo
11 Sep - 21 Sep	IndiGo
16 Sep - 29 Sep	Etihad Airways
08 Sep - 24 Sep	Etihad Airways
03 Sep - 15 Sep	Etihad Airways
03 Sep - 19 Sep	IndiGo
21 Sep - 26 Sep	IndiGo
19 Sep - 26 Sep	IndiGo
01 Sep - 18 Sep	IndiGo
29 Sep - 05 Oct	Finnair
28 Sep - 05 Oct	KLM
17 Sep - 08 Oct	KLM
20 Sep - 04 Oct	IndiGo
19 Sep - 03 Oct	Finnair
26 Sep - 05 Oct	IndiGo
26 Sep - 04 Oct	Finnair
26 Sep - 03 Oct	IndiGo
27 Sep - 04 Oct	IndiGo
20 Sep - 18 Oct	IndiGo

Also check the deals for one-way flights from Zurich to Singapore 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 Singapore in September from 513€

Return flights