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

Return flights

29 Oct - 06 Nov	Gulf Air
29 Oct - 11 Nov	Gulf Air
27 Oct - 30 Nov	Hainan Airlines
27 Oct - 06 Nov	Hainan Airlines
27 Oct - 16 Nov	Hainan Airlines
27 Oct - 15 Nov	Hainan Airlines
29 Oct - 04 Nov	Shenzhen Airlines
29 Oct - 14 Nov	Shenzhen Airlines
29 Oct - 08 Nov	Shenzhen Airlines
29 Oct - 03 Nov	Shenzhen Airlines
26 Oct - 29 Oct	Gulf Air
26 Oct - 30 Oct	Gulf Air
27 Oct - 31 Oct	Gulf Air
28 Oct - 31 Oct	Gulf Air
26 Oct - 31 Oct	Gulf Air
25 Oct - 31 Oct	Gulf Air
24 Oct - 30 Oct	Scandinavian Airlines
28 Oct - 29 Oct	Gulf Air
22 Oct - 24 Oct	Wizz Air Malta
22 Oct - 26 Oct	Etihad Airways

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 455€

Return flights