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

Return flights

17 Aug - 17 Sep	Gulf Air
27 Aug - 08 Sep	KLM
28 Aug - 14 Sep	Gulf Air
27 Aug - 14 Sep	SWISS
29 Aug - 12 Sep	Gulf Air
21 Aug - 06 Sep	Finnair
20 Aug - 02 Sep	Etihad Airways
24 Aug - 02 Sep	Etihad Airways
17 Aug - 01 Sep	Finnair
31 Aug - 06 Sep	Shenzhen Airlines
22 Aug - 29 Aug	Gulf Air
17 Aug - 24 Aug	Gulf Air
25 Aug - 31 Aug	Gulf Air
18 Aug - 31 Aug	Gulf Air
05 Aug - 12 Aug	Gulf Air
03 Aug - 12 Aug	Gulf Air
21 Aug - 31 Aug	Finnair
19 Aug - 26 Aug	Finnair
17 Aug - 23 Aug	Gulf Air
17 Aug - 22 Aug	Gulf Air

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

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 August from $686

Return flights