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

Return flights

01 Dec - 06 Dec	Turkish Airlines
08 Dec - 23 Dec	Air France
03 Dec - 08 Dec	KLM
01 Dec - 31 Dec	Qatar Airways
01 Dec - 05 Dec	Turkish Airlines
08 Dec - 14 Dec	Air France
05 Dec - 14 Dec	KLM
09 Dec - 14 Dec	KLM
05 Dec - 12 Dec	Turkish Airlines
10 Dec - 17 Dec	KLM
25 Dec - 02 Jan	Etihad Airways
25 Dec - 01 Jan	Lufthansa
26 Dec - 17 Jan	Turkish Airlines
22 Dec - 01 Jan	KLM
12 Dec - 10 Jan	IndiGo
25 Dec - 10 Jan	Air France
24 Dec - 10 Jan	IndiGo
27 Dec - 07 Jan	IndiGo
27 Dec - 05 Jan	KLM
12 Dec - 02 Jan	Air France

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

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 December from $633

Return flights