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

Return flights

20 Sep - 24 Sep	Gulf Air
12 Sep - 22 Sep	Wizz Air UK
23 Sep - 26 Sep	Gulf Air
23 Sep - 24 Sep	Gulf Air
18 Sep - 29 Sep	Gulf Air
07 Sep - 27 Sep	Wizz Air
19 Sep - 22 Sep	Air China
10 Sep - 16 Sep	Air China
16 Sep - 22 Sep	Gulf Air
16 Sep - 29 Sep	Gulf Air
15 Sep - 14 Oct	SWISS
30 Sep - 12 Oct	Turkish Airlines
30 Sep - 11 Oct	Turkish Airlines
30 Sep - 09 Oct	Turkish Airlines
16 Sep - 04 Oct	Turkish Airlines
27 Sep - 16 Oct	Turkish Airlines
28 Sep - 05 Oct	Turkish Airlines
19 Sep - 03 Oct	Wizz Air
15 Sep - 04 Oct	Turkish Airlines
23 Sep - 13 Oct	Ryanair

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

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 September from $656

Return flights