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

Return flights

04 Jan - 18 Feb	Lufthansa
06 Jan - 20 Jan	Air China
12 Jan - 26 Jan	Air China
08 Jan - 22 Jan	Air China
01 Jan - 25 Jan	Air China
23 Jan - 16 Feb	Air China
13 Jan - 21 Jan	Air China
15 Jan - 26 Jan	Air China
15 Jan - 22 Jan	Air China
03 Jan - 26 Jan	Air China
22 Jan - 28 Jan	Air China
25 Jan - 09 Feb	Aegean Airlines
22 Jan - 26 Jan	British Airways
27 Jan - 10 Feb	Lufthansa
08 Jan - 11 Feb	Lufthansa
29 Jan - 05 Feb	British Airways
28 Jan - 10 Feb	SWISS
29 Jan - 11 Feb	SWISS
25 Jan - 10 Feb	SWISS
15 Jan - 05 Feb	British Airways

Also check the deals for one-way flights from London to Singapore 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 London to Singapore in January from $532

Return flights