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

Return flights

21 Apr - 28 Apr	SWISS
29 Apr - 24 May	SWISS
28 Apr - 24 May	SWISS
09 Apr - 16 Apr	SWISS
07 Apr - 14 Apr	SWISS
05 Apr - 08 May	SWISS
08 Apr - 23 Apr	SWISS
08 Apr - 13 Apr	SWISS
10 Apr - 03 May	SWISS
10 Apr - 17 Apr	SWISS
17 Apr - 30 Apr	SWISS
02 Apr - 10 Apr	SWISS
03 Apr - 10 Apr	SWISS
24 Apr - 23 May	SWISS
01 Apr - 10 Apr	SWISS
25 Apr - 03 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 $819

Return flights