AirHint found the following cheapest return flights from Sydney (SYD) to London (STN) in January 2026 (see full year).

Return flights

22 Jan - 09 Feb	AirAsia X
28 Jan - 20 Feb	Scoot
25 Jan - 07 Feb	Scoot
20 Jan - 20 Feb	AirAsia X
22 Jan - 22 Feb	Scoot
25 Jan - 23 Feb	Scoot
26 Jan - 23 Feb	Scoot
26 Jan - 24 Feb	Scoot
29 Jan - 05 Feb	Scoot
26 Jan - 31 Jan	Scoot
23 Jan - 23 Feb	Scoot
20 Jan - 26 Jan	AirAsia X
22 Jan - 31 Jan	AirAsia X
23 Jan - 31 Jan	Scoot
21 Jan - 31 Jan	Scoot
16 Jan - 30 Jan	Scoot
12 Jan - 31 Jan	Scoot
19 Jan - 24 Jan	Scoot
22 Jan - 28 Jan	Scoot
14 Jan - 31 Jan	China Eastern

Also check the deals for one-way flights from Sydney to London in January.

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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Cheapest return flights from Sydney to London in January from 732€

Return flights