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

Return flights

11 Aug - 25 Aug	Etihad Airways
19 Aug - 27 Aug	Etihad Airways
18 Aug - 28 Aug	Etihad Airways
11 Aug - 20 Aug	Etihad Airways
22 Aug - 29 Aug	Turkish Airlines
17 Aug - 25 Aug	Etihad Airways
04 Aug - 19 Aug	IndiGo
13 Aug - 31 Aug	IndiGo
12 Aug - 19 Aug	Qatar Airways
13 Aug - 21 Aug	Qatar Airways
20 Aug - 03 Sep	IndiGo
25 Aug - 01 Sep	IndiGo
24 Aug - 14 Sep	IndiGo
22 Aug - 01 Sep	Etihad Airways
29 Aug - 08 Sep	Etihad Airways
27 Aug - 25 Sep	IndiGo
28 Aug - 05 Sep	IndiGo
29 Aug - 12 Sep	IndiGo
22 Aug - 12 Sep	IndiGo
05 Aug - 28 Sep	IndiGo

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 479€

Return flights