Cheapest one-way flights from Sydney to London in December from 597€

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

One-Way flights

28 Dec AirAsia X
30 Dec AirAsia X
25 Dec AirAsia X
27 Dec AirAsia X
31 Dec Batik Air Malaysia
29 Dec Scoot
18 Dec AirAsia X
23 Dec AirAsia X
24 Dec Hainan Airlines
22 Dec VietJet Air

Also check the deals for return flights from Sydney to London 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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