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

Return flights

28 Apr - 07 May	SWISS
16 Apr - 06 May	SWISS
23 Apr - 05 May	SWISS
30 Apr - 10 May	SWISS
30 Apr - 11 May	SWISS
23 Apr - 04 May	SWISS
16 Apr - 23 Apr	SWISS
07 Apr - 23 Apr	SWISS
19 Apr - 19 May	SWISS
29 Apr - 20 May	SWISS
19 Apr - 03 May	SWISS
26 Apr - 03 May	SWISS
16 Apr - 26 Apr	SWISS
07 Apr - 21 Apr	SWISS
21 Apr - 26 Apr	SWISS
06 Apr - 30 Apr	Lufthansa
19 Apr - 26 Apr	SWISS
17 Apr - 22 Apr	Lufthansa
13 Apr - 21 Apr	Lufthansa
12 Apr - 26 Apr	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 534€

Return flights