Cheapest one-way flights from London to Sydney in December from $436

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

One-Way flights

09 Dec Wizz Air UK
11 Dec easyJet
05 Dec Air China
13 Dec easyJet
03 Dec easyJet
28 Dec Air China
07 Dec Air China
04 Dec easyJet
10 Dec Vueling Airlines
16 Dec easyJet

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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