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

Return flights

29 Dec - 04 Jan	AirAsia X
21 Dec - 28 Dec	Virgin Australia
29 Dec - 06 Jan	AirAsia X
30 Dec - 13 Jan	AirAsia X
25 Dec - 31 Dec	AirAsia X
29 Dec - 30 Jan	Scoot
31 Dec - 30 Jan	Scoot
26 Dec - 31 Dec	AirAsia X
29 Dec - 19 Jan	AirAsia X
24 Dec - 29 Dec	Hainan Airlines
27 Dec - 31 Jan	China Eastern
23 Dec - 30 Dec	AirAsia X
30 Dec - 06 Jan	AirAsia X
30 Dec - 07 Jan	AirAsia X
23 Dec - 31 Dec	AirAsia X
26 Dec - 04 Jan	Scoot
24 Dec - 31 Dec	Hainan Airlines
22 Dec - 29 Dec	VietJet Air
22 Dec - 30 Dec	VietJet Air
20 Dec - 30 Dec	Jetstar

Also check the deals for one-way flights from Sydney to Abu Dhabi 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 Sydney to Abu Dhabi in December from 1028€

Return flights