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

Return flights

17 Dec - 27 Dec	Air India
17 Dec - 28 Dec	Air India
02 Dec - 02 Jan	China Eastern
15 Dec - 01 Jan	China Eastern
21 Dec - 06 Jan	Turkish Airlines
20 Dec - 06 Jan	Turkish Airlines
19 Dec - 06 Jan	Turkish Airlines
18 Dec - 03 Jan	IndiGo
12 Dec - 03 Jan	Etihad Airways	direct
17 Dec - 28 Dec	Etihad Airways	direct
17 Dec - 27 Dec	Etihad Airways	direct
21 Dec - 06 Jan	Etihad Airways	direct
19 Dec - 06 Jan	Etihad Airways	direct
20 Dec - 06 Jan	Etihad Airways	direct

Also check the deals for one-way flights from Abu Dhabi 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 Abu Dhabi to Sydney in December from $1326

Return flights