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

Return flights

10 Dec - 19 Jan	IndiGo
25 Dec - 22 Jan	IndiGo
15 Dec - 19 Jan	Malaysia Airlines
26 Dec - 15 Jan	AirAsia
29 Dec - 15 Jan	AirAsia
29 Dec - 19 Jan	AirAsia
28 Dec - 15 Jan	AirAsia
24 Dec - 10 Jan	AirAsia
26 Dec - 10 Jan	AirAsia
29 Dec - 10 Jan	AirAsia
01 Dec - 03 Dec	Malaysia Airlines
04 Dec - 18 Dec	Air India
01 Dec - 10 Dec	Malaysia Airlines
05 Dec - 31 Dec	IndiGo
05 Dec - 19 Dec	IndiGo
01 Dec - 03 Dec	Qantas	direct
10 Dec - 31 Dec	AirAsia
05 Dec - 14 Dec	AirAsia
07 Dec - 14 Dec	AirAsia
08 Dec - 14 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 377€

Return flights