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

Return flights

03 Dec - 13 Dec	Asiana Airlines
27 Dec - 03 Jan	Air China
06 Dec - 26 Dec	T'way Air
08 Dec - 11 Jan	Singapore Airlines
15 Dec - 20 Jan	China Southern
31 Dec - 15 Jan	Asiana Airlines
08 Dec - 12 Jan	Singapore Airlines
22 Dec - 29 Dec	Asiana Airlines
29 Dec - 16 Jan	Air China
31 Dec - 17 Jan	Air China
27 Dec - 24 Jan	Air China
31 Dec - 31 Jan	Air China
07 Dec - 04 Jan	Thai Airways

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 $1314

Return flights