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

Return flights

01 Dec - 08 Dec	Etihad Airways
04 Dec - 11 Dec	Gulf Air
27 Dec - 11 Jan	Air Arabia Abu Dhabi
03 Dec - 05 Dec	IndiGo
23 Dec - 05 Jan	Etihad Airways
12 Dec - 02 Jan	China Eastern
08 Dec - 02 Jan	Gulf Air
11 Dec - 02 Jan	IndiGo
15 Dec - 02 Jan	IndiGo
21 Dec - 21 Jan	IndiGo
19 Dec - 23 Jan	IndiGo
15 Dec - 04 Jan	China Eastern
25 Dec - 02 Jan	Etihad Airways
11 Dec - 30 Dec	IndiGo
08 Dec - 15 Dec	Gulf Air
10 Dec - 20 Dec	IndiGo
15 Dec - 30 Dec	Etihad Airways
11 Dec - 31 Dec	IndiGo
15 Dec - 31 Dec	IndiGo
09 Dec - 29 Dec	IndiGo

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 707€

Return flights