Cheapest return flights from London to Sydney in December from 587€

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

Return flights

01 Dec - 12 Jan China Eastern
01 Dec - 15 Jan China Eastern
01 Dec - 14 Jan China Eastern
01 Dec - 17 Jan China Eastern
07 Dec - 30 Jan China Eastern
07 Dec - 15 Jan China Eastern
03 Dec - 13 Jan China Eastern
03 Dec - 31 Jan China Eastern
07 Dec - 16 Jan China Eastern
05 Dec - 17 Jan China Eastern
02 Dec - 09 Dec China Southern
06 Dec - 31 Dec China Eastern
01 Dec - 31 Dec China Eastern
03 Dec - 31 Dec China Eastern
06 Dec - 30 Dec China Eastern
02 Dec - 07 Dec China Southern
05 Dec - 30 Dec China Eastern
05 Dec - 28 Dec China Eastern
05 Dec - 16 Dec China Southern
01 Dec - 29 Dec China Eastern

Also check the deals for one-way flights from London to Sydney in December.

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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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