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

Return flights

31 Dec - 19 Jan	AirAsia
31 Dec - 18 Jan	AirAsia
17 Dec - 29 Jan	VietJet Air
26 Dec - 14 Jan	AirAsia
31 Dec - 14 Jan	AirAsia
26 Dec - 13 Jan	AirAsia
26 Dec - 15 Jan	AirAsia
31 Dec - 13 Jan	AirAsia
31 Dec - 15 Jan	AirAsia
31 Dec - 20 Jan	AirAsia
05 Dec - 12 Dec	VietJet Air
07 Dec - 15 Dec	VietJet Air
01 Dec - 15 Dec	VietJet Air
10 Dec - 14 Dec	VietJet Air
03 Dec - 07 Dec	AirAsia
05 Dec - 31 Dec	VietJet Air
06 Dec - 13 Dec	IndiGo
12 Dec - 31 Dec	VietJet Air
15 Dec - 29 Dec	AirAsia
17 Dec - 29 Dec	AirAsia

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 $614

Return flights