Cheapest return flights from London to Sydney in December from 905€

Best time to book flights for London (LHR) to Sydney (SYD) flights at AirHint

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

Return flights

04 Dec - 12 Jan China Eastern
05 Dec - 12 Jan China Eastern
05 Dec - 25 Jan China Eastern
03 Dec - 12 Jan China Eastern
03 Dec - 14 Jan China Eastern
05 Dec - 15 Jan China Eastern
03 Dec - 24 Dec China Southern
02 Dec - 15 Dec China Southern
01 Dec - 22 Dec China Southern
01 Dec - 12 Dec China Southern
02 Dec - 09 Dec China Southern
01 Dec - 21 Dec China Southern
03 Dec - 17 Dec China Southern
03 Dec - 15 Dec China Southern
01 Dec - 10 Dec China Southern
02 Dec - 29 Dec China Southern
27 Dec - 16 Jan China Airlines
27 Dec - 27 Jan China Airlines
27 Dec - 18 Jan China Airlines
05 Dec - 16 Jan 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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