AirHint found the following cheapest return flights from Bangalore (BLR) to Sydney (SYD) in December 2025 (see full year).

Return flights

14 Dec - 09 Jan	SpiceJet
15 Dec - 28 Jan	IndiGo
12 Dec - 27 Jan	AirAsia
10 Dec - 31 Jan	IndiGo
01 Dec - 10 Dec	Air India
21 Dec - 09 Jan	IndiGo
14 Dec - 28 Jan	VietJet Air
26 Dec - 09 Jan	SpiceJet
12 Dec - 26 Jan	AirAsia
12 Dec - 29 Jan	Akasa Air
12 Dec - 28 Jan	Akasa Air
12 Dec - 31 Dec	AirAsia
05 Dec - 31 Dec	AirAsia
17 Dec - 31 Dec	AirAsia
14 Dec - 29 Dec	AirAsia
01 Dec - 31 Dec	IndiGo
10 Dec - 16 Dec	AirAsia
15 Dec - 23 Dec	AirAsia
18 Dec - 28 Dec	Akasa Air
16 Dec - 27 Dec	Malaysia Airlines

Also check the deals for one-way flights from Bangalore to Sydney 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 Bangalore to Sydney in December from $568

Return flights