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

Return flights

07 Sep - 26 Sep	Etihad Airways
10 Sep - 22 Sep	Etihad Airways
15 Sep - 30 Sep	Etihad Airways
13 Sep - 27 Sep	Etihad Airways
15 Sep - 03 Oct	Air India
01 Sep - 08 Sep	Etihad Airways
07 Sep - 16 Sep	Etihad Airways
07 Sep - 15 Sep	Etihad Airways
22 Sep - 28 Sep	Etihad Airways
09 Sep - 20 Sep	Etihad Airways
06 Sep - 15 Sep	Etihad Airways
09 Sep - 24 Oct	Etihad Airways
29 Sep - 09 Oct	Finnair
12 Sep - 03 Oct	Air India
15 Sep - 08 Oct	Air India
20 Sep - 04 Oct	IndiGo
26 Sep - 09 Oct	Finnair
28 Sep - 06 Oct	Finnair
19 Sep - 09 Oct	Finnair
22 Sep - 05 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 466€

Return flights