Cheapest return flights from London to Singapore in September from $731

Best time to book flights for London (LCY) to Singapore (SIN) flights at AirHint

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

Return flights

23 Sep - 07 Oct SWISS
11 Sep - 21 Sep SWISS
09 Sep - 21 Sep SWISS
18 Sep - 28 Sep SWISS
18 Sep - 16 Oct SWISS
16 Sep - 02 Oct SWISS
16 Sep - 30 Sep SWISS
09 Sep - 17 Sep SWISS
16 Sep - 23 Sep SWISS
09 Sep - 23 Sep SWISS
23 Sep - 30 Sep SWISS
18 Sep - 29 Sep SWISS
30 Sep - 07 Oct SWISS
17 Sep - 24 Sep SWISS
30 Sep - 09 Oct SWISS
22 Sep - 06 Oct SWISS
26 Sep - 07 Oct SWISS
28 Sep - 27 Oct SWISS
29 Sep - 08 Oct SWISS
29 Sep - 07 Oct SWISS

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

Skyscanner

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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