AirHint found the following cheapest return flights from London (STN) to Singapore (SIN) in August 2025 (see full year).

Return flights

29 Aug - 16 Sep	AJet
30 Aug - 26 Sep	AJet
28 Aug - 16 Sep	Pegasus Airlines
31 Aug - 12 Sep	Pegasus Airlines
28 Aug - 07 Sep	Pegasus Airlines
31 Aug - 07 Sep	Pegasus Airlines
29 Aug - 06 Sep	AJet
25 Aug - 08 Sep	Ryanair
21 Aug - 09 Sep	AJet
30 Aug - 16 Sep	AJet
28 Aug - 31 Aug	Pegasus Airlines
07 Aug - 11 Aug	Pegasus Airlines
25 Aug - 28 Aug	AJet
08 Aug - 11 Aug	Pegasus Airlines
16 Aug - 22 Aug	Fly One
18 Aug - 21 Aug	AJet
05 Aug - 11 Aug	Ryanair
13 Aug - 21 Aug	AJet
06 Aug - 17 Aug	Pegasus Airlines
16 Aug - 19 Aug	Fly One

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 484€

Return flights