Cheapest one-way flights from Sydney to London in December from $446

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

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

One-Way flights

07 Dec Sichuan Airlines
14 Dec Sichuan Airlines
10 Dec Sichuan Airlines
03 Dec Sichuan Airlines
04 Dec Scoot Tigerair
25 Dec Scoot Tigerair
08 Dec Air India
18 Dec Turkish Airlines
20 Dec Turkish Airlines
05 Dec Turkish Airlines

Also check the deals for return flights from Sydney to London 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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