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

Return flights

31 Dec - 21 Jan	AirAsia X
28 Dec - 29 Jan	Hainan Airlines
26 Dec - 11 Jan	AirAsia X
31 Dec - 20 Jan	AirAsia X
26 Dec - 10 Jan	AirAsia X
26 Dec - 06 Jan	AirAsia X
31 Dec - 08 Jan	Air China
31 Dec - 30 Jan	AirAsia X
26 Dec - 02 Jan	Air China
25 Dec - 10 Jan	Hainan Airlines
24 Dec - 31 Dec	Batik Air Malaysia
27 Dec - 31 Dec	AirAsia X
24 Dec - 26 Dec	Emirates

Also check the deals for one-way flights from Sydney to Frankfurt 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 Frankfurt in December from $1520

Return flights