Cheapest one-way flights from Sydney to London in December from $648

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

04 Dec Scoot Tigerair
07 Dec Scoot Tigerair
08 Dec Batik Air Malaysia
03 Dec Virgin Australia
11 Dec Scoot Tigerair
14 Dec Scoot Tigerair
09 Dec Thai Airways
06 Dec AirAsia X
25 Dec Scoot Tigerair
28 Dec Scoot Tigerair

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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