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

Return flights

29 Jan - 26 Feb	Scoot
19 Jan - 16 Feb	Scoot
22 Jan - 15 Feb	Qantas
20 Jan - 01 Feb	Scoot
22 Jan - 31 Jan	Scoot
28 Jan - 11 Feb	Scoot
29 Jan - 15 Feb	Hainan Airlines
19 Jan - 12 Feb	Qantas
19 Jan - 10 Feb	Qantas
14 Jan - 25 Jan	Etihad Airways
26 Jan - 08 Feb	Scoot
25 Jan - 22 Feb	Singapore Airlines
19 Jan - 29 Jan	Scoot
19 Jan - 26 Jan	Qantas
13 Jan - 20 Jan	Air China
10 Jan - 24 Jan	Etihad Airways
12 Jan - 20 Jan	Air China
18 Jan - 25 Jan	Scoot
20 Jan - 27 Jan	Scoot
22 Jan - 26 Jan	Turkish Airlines

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 770€

Return flights