Cheapest return flights from London to Sydney in December from 875€

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

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

Return flights

01 Dec - 22 Jan China Eastern
04 Dec - 13 Jan China Eastern
03 Dec - 14 Jan China Eastern
06 Dec - 15 Jan China Eastern
05 Dec - 21 Jan China Eastern
04 Dec - 08 Jan China Eastern
03 Dec - 10 Jan China Eastern
01 Dec - 09 Jan China Eastern
06 Dec - 07 Jan China Eastern
04 Dec - 05 Jan China Eastern
03 Dec - 30 Dec China Airlines
01 Dec - 30 Dec China Airlines
01 Dec - 14 Dec China Airlines
03 Dec - 14 Dec China Airlines
27 Dec - 30 Dec China Airlines
01 Dec - 09 Dec China Airlines
01 Dec - 05 Dec China Airlines
02 Dec - 12 Dec Etihad Airways
02 Dec - 16 Dec Turkish Airlines
02 Dec - 18 Dec Turkish Airlines

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

Skyscanner

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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