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

Return flights

30 Aug - 06 Sep	Shenzhen Airlines
04 Aug - 11 Aug	Etihad Airways
11 Aug - 25 Aug	Etihad Airways
24 Aug - 07 Sep	Lufthansa
17 Aug - 04 Sep	Finnair
21 Aug - 01 Sep	Finnair
04 Aug - 01 Sep	Finnair
24 Aug - 30 Aug	Finnair
19 Aug - 26 Aug	Finnair
18 Aug - 25 Aug	Finnair
20 Aug - 31 Aug	Finnair
12 Aug - 01 Sep	Lufthansa
11 Aug - 31 Aug	Lufthansa
13 Aug - 20 Aug	Lufthansa
04 Aug - 27 Aug	Saudia
04 Aug - 25 Aug	Saudia
22 Aug - 01 Sep	Lufthansa
17 Aug - 04 Sep	Singapore Airlines	direct
21 Aug - 01 Sep	Singapore Airlines	direct
04 Aug - 01 Sep	Singapore Airlines	direct

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 $604

Return flights