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

Return flights

28 Apr - 03 May	SWISS
12 Apr - 23 Apr	KLM
02 Apr - 19 Apr	SWISS
06 Apr - 19 Apr	SWISS
01 Apr - 14 Apr	KLM
02 Apr - 18 Apr	Lufthansa
15 Apr - 21 Apr	SWISS
08 Apr - 21 Apr	SWISS
06 Apr - 21 Apr	SWISS
27 Apr - 28 May	KLM
23 Apr - 26 Apr	ITA Airways
14 Apr - 20 Apr	SWISS
27 Apr - 07 May	KLM
02 Apr - 05 May	SWISS
24 Apr - 03 May	SWISS
26 Apr - 07 May	SWISS
20 Apr - 03 May	SWISS
24 Apr - 10 May	SWISS
17 Apr - 10 May	SWISS
07 Apr - 07 May	SWISS

Also check the deals for one-way flights from London to Singapore in April.

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 April from $1063

Return flights