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

Return flights

25 Jan - 22 Feb	Scoot
20 Jan - 15 Feb	Qantas
30 Jan - 20 Feb	Qantas
29 Jan - 20 Feb	Qantas
20 Jan - 09 Feb	Qantas
25 Jan - 12 Feb	Scoot
13 Jan - 03 Feb	Air China
19 Jan - 04 Feb	Air China
23 Jan - 07 Feb	China Eastern
22 Jan - 17 Feb	China Eastern
24 Jan - 31 Jan	China Eastern
18 Jan - 25 Jan	Scoot
12 Jan - 28 Jan	Sichuan Airlines
17 Jan - 27 Jan	Air China
18 Jan - 29 Jan	Scoot
10 Jan - 29 Jan	Sichuan Airlines
14 Jan - 30 Jan	Qantas
12 Jan - 27 Jan	Sichuan Airlines
19 Jan - 30 Jan	Air China
15 Jan - 30 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 673€

Return flights