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

Return flights

29 Aug - 13 Sep	Shenzhen Airlines
25 Aug - 13 Sep	Lufthansa
21 Aug - 06 Sep	Finnair
20 Aug - 28 Aug	Lufthansa
17 Aug - 31 Aug	Lufthansa
11 Aug - 19 Aug	Scandinavian Airlines
17 Aug - 24 Aug	Lufthansa
16 Aug - 31 Aug	KLM
16 Aug - 23 Aug	KLM
16 Aug - 26 Aug	Aer Lingus
11 Aug - 29 Aug	Scandinavian Airlines
11 Aug - 01 Sep	Finnair
16 Aug - 29 Aug	KLM
31 Aug - 16 Sep	Air India
13 Aug - 20 Aug	Lufthansa
21 Aug - 06 Sep	British Airways	direct
11 Aug - 01 Sep	Singapore Airlines	direct
28 Aug - 17 Sep	Lufthansa

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 499€

Return flights