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

Return flights

16 Oct - 27 Oct	Etihad Airways
02 Oct - 09 Oct	Etihad Airways
16 Oct - 23 Oct	Finnair
08 Oct - 19 Oct	Finnair
07 Oct - 20 Oct	Finnair
13 Oct - 23 Oct	Finnair
22 Oct - 02 Nov	Finnair
05 Oct - 15 Oct	Turkish Airlines
14 Oct - 21 Oct	Turkish Airlines
16 Oct - 24 Oct	Etihad Airways
08 Oct - 15 Oct	Turkish Airlines
29 Oct - 14 Nov	Finnair
16 Oct - 01 Nov	Finnair
25 Oct - 01 Nov	Cathay Pacific
25 Oct - 01 Nov	Qantas	direct
16 Oct - 01 Nov	Qantas	direct
22 Oct - 02 Nov	Qantas	direct
24 Oct - 08 Nov	Qantas	direct
31 Oct - 15 Nov	Qantas	direct
29 Oct - 05 Nov	Saudia

Also check the deals for one-way flights from Singapore to London 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 Singapore to London in October from $656

Return flights