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

Return flights

19 Jan - 27 Jan	KLM
19 Jan - 26 Jan	KLM
23 Jan - 06 Feb	KLM
27 Jan - 03 Feb	KLM
23 Jan - 25 Jan	SWISS
13 Jan - 29 Jan	SWISS
19 Jan - 25 Jan	SWISS
13 Jan - 21 Jan	SWISS
12 Jan - 25 Jan	SWISS
16 Jan - 30 Jan	SWISS
20 Jan - 29 Jan	SWISS
12 Jan - 26 Jan	SWISS
12 Jan - 09 Feb	SWISS
16 Jan - 01 Feb	SWISS
27 Jan - 13 Feb	SWISS
27 Jan - 05 Feb	SWISS
19 Jan - 04 Feb	SWISS
12 Jan - 06 Feb	SWISS
23 Jan - 11 Feb	SWISS
23 Jan - 01 Feb	SWISS

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 557€

Return flights