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

Return flights

07 Dec - 22 Jan	China Eastern
02 Dec - 22 Jan	China Eastern
06 Dec - 28 Jan	China Eastern
02 Dec - 28 Jan	China Eastern
01 Dec - 31 Jan	China Eastern
04 Dec - 16 Jan	easyJet
10 Dec - 18 Jan	China Eastern
09 Dec - 13 Jan	China Southern
12 Dec - 30 Jan	China Eastern
04 Dec - 07 Dec	Air China
02 Dec - 09 Dec	Air China
25 Dec - 15 Jan	China Southern
02 Dec - 06 Dec	Air China
06 Dec - 08 Dec	Xiamen Airlines
01 Dec - 11 Dec	Vueling Airlines
01 Dec - 05 Dec	Air China
03 Dec - 07 Dec	easyJet
05 Dec - 26 Dec	China Southern
09 Dec - 26 Dec	China Southern
07 Dec - 23 Dec	Air China

Also check the deals for one-way flights from Paris 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 Paris to Sydney in December from 702€

Return flights