AirHint found the following cheapest return flights from Sydney (SYD) to Singapore (SIN) in December 2026 (see full year).

Return flights

03 Dec - 16 Dec	VietJet Air
01 Dec - 07 Dec	Scoot
01 Dec - 07 Dec	Scoot	direct
01 Dec - 08 Dec	Scoot	direct
23 Dec - 30 Dec	VietJet Air
03 Dec - 16 Dec	Scoot	direct
13 Dec - 27 Dec	VietJet Air
08 Dec - 15 Dec	Scoot
08 Dec - 15 Dec	Scoot	direct
09 Dec - 29 Dec	Scoot	direct
26 Dec - 02 Jan	VietJet Air
22 Dec - 02 Jan	VietJet Air
26 Dec - 02 Jan	Scoot	direct
24 Dec - 02 Jan	VietJet Air
24 Dec - 02 Jan	Scoot	direct
22 Dec - 02 Jan	Scoot	direct
19 Dec - 02 Jan	Scoot	direct
26 Dec - 03 Jan	Philippine Airlines
19 Dec - 03 Jan	Malaysia Airlines
20 Dec - 04 Jan	Malaysia Airlines

Also check the deals for one-way flights from Sydney 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 Sydney to Singapore in December from 385€

Return flights