Cheapest return flights from London to Singapore in September from $581

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

Return flights

05 Sep - 16 Sep SWISS
03 Sep - 08 Sep Shenzhen Airlines
01 Sep - 10 Sep Shenzhen Airlines
01 Sep - 07 Sep Shenzhen Airlines
01 Sep - 08 Sep Shenzhen Airlines
19 Sep - 12 Oct Shenzhen Airlines
05 Sep - 10 Sep Shenzhen Airlines
05 Sep - 11 Sep Shenzhen Airlines
17 Sep - 15 Oct Shenzhen Airlines
17 Sep - 17 Oct Shenzhen Airlines
05 Sep - 12 Sep Shenzhen Airlines
03 Sep - 07 Sep Shenzhen Airlines
23 Sep - 14 Oct China Southern
17 Sep - 12 Oct China Southern
03 Sep - 11 Sep Shenzhen Airlines
06 Sep - 01 Oct Emirates
02 Sep - 28 Oct China Southern
26 Sep - 05 Oct Hainan Airlines
10 Sep - 01 Oct Hainan Airlines
24 Sep - 12 Oct Air China

Also check the deals for one-way flights from London to Singapore in September.

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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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