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

Return flights

13 Sep - 17 Sep	Gulf Air
13 Sep - 05 Oct	SKY express
13 Sep - 27 Sep	SKY express
14 Sep - 14 Oct	Air China
01 Sep - 19 Sep	Air China
05 Sep - 19 Sep	Air China
01 Sep - 16 Sep	Air China
05 Sep - 12 Sep	Air China
01 Sep - 12 Sep	Air China
17 Sep - 03 Oct	Air China
28 Sep - 05 Oct	Turkish Airlines
23 Sep - 29 Sep	Turkish Airlines
07 Sep - 21 Sep	SWISS
12 Sep - 26 Sep	easyJet
14 Sep - 14 Oct	Singapore Airlines	direct
30 Sep - 18 Oct	Turkish Airlines
30 Sep - 11 Oct	Turkish Airlines
30 Sep - 07 Oct	Gulf Air
25 Sep - 03 Oct	Gulf Air
28 Sep - 05 Oct	Singapore Airlines	direct

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 $677

Return flights