Cheapest one-way flights from London to Sydney in December from $500

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

One-Way flights

01 Dec Air China
05 Dec Shenzhen Airlines
07 Dec Shenzhen Airlines
08 Dec Shenzhen Airlines
29 Dec Air China
11 Dec Vueling Airlines
31 Dec British Airways
10 Dec Etihad Airways
15 Dec Vueling Airlines
14 Dec Vueling Airlines

Also check the deals for return 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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