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

Return flights

21 Dec - 14 Jan	VietJet Air
22 Dec - 18 Jan	VietJet Air
19 Dec - 24 Jan	VietJet Air
17 Dec - 11 Jan	AirAsia
22 Dec - 12 Jan	AirAsia
28 Dec - 18 Jan	AirAsia
28 Dec - 17 Jan	AirAsia
28 Dec - 13 Jan	AirAsia
29 Dec - 19 Jan	AirAsia
29 Dec - 18 Jan	AirAsia
01 Dec - 07 Dec	VietJet Air
01 Dec - 09 Dec	VietJet Air
01 Dec - 05 Dec	AirAsia
01 Dec - 10 Dec	VietJet Air
05 Dec - 11 Dec	VietJet Air
03 Dec - 07 Dec	AirAsia
08 Dec - 14 Dec	VietJet Air
03 Dec - 31 Dec	VietJet Air
08 Dec - 29 Dec	AirAsia
05 Dec - 31 Dec	VietJet Air

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 500€

Return flights