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

Return flights

28 Aug - 14 Sep	Gulf Air
27 Aug - 08 Sep	Gulf Air
29 Aug - 12 Sep	Gulf Air
27 Aug - 14 Sep	SWISS
20 Aug - 02 Sep	Etihad Airways
19 Aug - 01 Sep	Royal Brunei
24 Aug - 02 Sep	Etihad Airways
21 Aug - 06 Sep	Etihad Airways
18 Aug - 30 Aug	Gulf Air
16 Aug - 28 Aug	Gulf Air
16 Aug - 22 Aug	Gulf Air
17 Aug - 22 Aug	Gulf Air
10 Aug - 20 Aug	Gulf Air
25 Aug - 31 Aug	Gulf Air
05 Aug - 12 Aug	Gulf Air
16 Aug - 29 Aug	Gulf Air
20 Aug - 01 Sep	Gulf Air
16 Aug - 26 Aug	Gulf Air
21 Aug - 29 Aug	Royal Brunei
25 Aug - 01 Sep	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 552€

Return flights