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

Return flights

02 Sep - 16 Sep	Air France
18 Sep - 01 Oct	Gulf Air
11 Sep - 19 Sep	Gulf Air
04 Sep - 19 Sep	Gulf Air
11 Sep - 26 Sep	Gulf Air
30 Sep - 11 Oct	Wizz Air UK
16 Sep - 30 Sep	Air France
04 Sep - 14 Sep	Wizz Air UK
14 Sep - 21 Sep	Wizz Air UK
01 Sep - 25 Sep	Air France
10 Sep - 17 Sep	SWISS
04 Sep - 20 Sep	SWISS
27 Sep - 05 Oct	SWISS
25 Sep - 02 Oct	Wizz Air UK
20 Sep - 04 Oct	Turkish Airlines
19 Sep - 02 Oct	Turkish Airlines
19 Sep - 03 Oct	Turkish Airlines
28 Sep - 16 Oct	Turkish Airlines
18 Sep - 02 Oct	Turkish Airlines
30 Sep - 14 Oct	Gulf Air

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.

Book a cheap hotel in Singapore

Cheap car rent in Singapore

Cheapest return flights from London to Singapore in September from 525€

Return flights