AirHint found the following cheapest return flights from London (LCY) to Singapore (SIN) in October 2025 (see full year).

Return flights

28 Oct - 04 Nov	SWISS
21 Oct - 28 Oct	SWISS
14 Oct - 21 Oct	SWISS
14 Oct - 27 Oct	SWISS
08 Oct - 22 Oct	SWISS
29 Oct - 08 Nov	SWISS
29 Oct - 05 Nov	SWISS
29 Oct - 18 Nov	SWISS
07 Oct - 12 Oct	SWISS
07 Oct - 15 Oct	SWISS
07 Oct - 14 Oct	SWISS
07 Oct - 07 Nov	SWISS
07 Oct - 13 Oct	SWISS
15 Oct - 20 Oct	SWISS
14 Oct - 19 Oct	SWISS
30 Oct - 13 Nov	SWISS
31 Oct - 08 Nov	SWISS
15 Oct - 05 Nov	SWISS
30 Oct - 05 Nov	SWISS
22 Oct - 03 Nov	SWISS

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

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 October from $744

Return flights