Cheapest return flights from London to Sydney in December from 775€

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

Return flights

28 Dec - 28 Jan Air China
31 Dec - 22 Jan China Eastern
28 Dec - 14 Jan Air China
31 Dec - 18 Jan Turkish Airlines
31 Dec - 15 Jan Turkish Airlines
27 Dec - 21 Jan Turkmenistan Airlines
27 Dec - 26 Jan Turkmenistan Airlines
27 Dec - 24 Jan Turkmenistan Airlines
27 Dec - 19 Jan Turkmenistan Airlines
27 Dec - 31 Jan Turkmenistan Airlines
27 Dec - 31 Dec Turkmenistan Airlines
27 Dec - 30 Dec Turkmenistan Airlines
28 Dec - 30 Dec easyJet
30 Dec - 31 Dec Emirates
29 Dec - 30 Dec China Southern

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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