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

Return flights

24 Aug - 13 Sep	Finnair
29 Aug - 13 Sep	Lufthansa
29 Aug - 12 Sep	Finnair
24 Aug - 06 Sep	Finnair
30 Aug - 13 Sep	Lufthansa
28 Aug - 06 Sep	Finnair
18 Aug - 04 Sep	Finnair
20 Aug - 10 Sep	Lufthansa
04 Aug - 03 Sep	Finnair
20 Aug - 27 Aug	Finnair
17 Aug - 30 Aug	Finnair
16 Aug - 23 Aug	Finnair
24 Aug - 31 Aug	Finnair
17 Aug - 31 Aug	Finnair
12 Aug - 17 Aug	Lufthansa
13 Aug - 01 Sep	Finnair
15 Aug - 25 Aug	Lufthansa
12 Aug - 27 Aug	Aer Lingus
16 Aug - 26 Aug	Finnair
19 Aug - 29 Aug	Finnair

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 $702

Return flights