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

Return flights

11 Aug - 20 Aug	Etihad Airways
26 Aug - 09 Sep	Etihad Airways
28 Aug - 07 Sep	Etihad Airways
11 Aug - 21 Aug	IndiGo
10 Aug - 17 Aug	IndiGo
21 Aug - 28 Aug	IndiGo
21 Aug - 26 Aug	IndiGo
09 Aug - 17 Aug	IndiGo
14 Aug - 24 Aug	IndiGo
13 Aug - 30 Aug	IndiGo
13 Aug - 31 Aug	IndiGo
05 Aug - 28 Sep	IndiGo
27 Aug - 25 Sep	IndiGo
23 Aug - 31 Aug	IndiGo
29 Aug - 12 Sep	IndiGo
28 Aug - 05 Sep	IndiGo
22 Aug - 12 Sep	IndiGo
30 Aug - 13 Sep	IndiGo
22 Aug - 08 Sep	Turkish Airlines
22 Aug - 01 Sep	Turkish Airlines

Also check the deals for one-way flights from Singapore to Zurich 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 Singapore to Zurich in August from $590

Return flights