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

Return flights

14 Aug - 25 Aug	Etihad Airways
21 Aug - 28 Aug	Etihad Airways
18 Aug - 25 Aug	Etihad Airways
18 Aug - 27 Aug	Etihad Airways
24 Aug - 14 Sep	Finnair
24 Aug - 08 Sep	Finnair
22 Aug - 09 Sep	Etihad Airways
14 Aug - 24 Aug	Etihad Airways
22 Aug - 14 Sep	Finnair
23 Aug - 08 Sep	Finnair
23 Aug - 11 Sep	IndiGo
18 Aug - 24 Aug	Etihad Airways
29 Aug - 07 Sep	Etihad Airways
31 Aug - 07 Sep	Etihad Airways
29 Aug - 14 Sep	IndiGo
29 Aug - 13 Sep	IndiGo
12 Aug - 18 Aug	Qatar Airways
06 Aug - 26 Aug	IndiGo
07 Aug - 25 Aug	IndiGo
06 Aug - 25 Aug	IndiGo

Also check the deals for one-way flights from Zurich to Singapore in August.

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 August from 528€

Return flights