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

Return flights

30 Aug - 13 Sep	Air India
31 Aug - 14 Sep	Air India
28 Aug - 20 Sep	IndiGo
29 Aug - 12 Sep	Finnair
19 Aug - 10 Sep	IndiGo
19 Aug - 09 Sep	IndiGo
26 Aug - 09 Sep	IndiGo
25 Aug - 08 Sep	IndiGo
27 Aug - 08 Sep	IndiGo
17 Aug - 26 Aug	IndiGo
18 Aug - 25 Aug	IndiGo
28 Aug - 12 Sep	IndiGo
19 Aug - 26 Aug	IndiGo
20 Aug - 27 Aug	IndiGo
17 Aug - 22 Aug	IndiGo
13 Aug - 24 Aug	IndiGo
11 Aug - 19 Aug	IndiGo
11 Aug - 20 Aug	IndiGo
10 Aug - 25 Aug	IndiGo
10 Aug - 21 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 $609

Return flights