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

Return flights

27 Sep - 30 Sep	Wizz Air UK
30 Sep - 07 Oct	Wizz Air UK
27 Sep - 12 Oct	Wizz Air UK
24 Sep - 08 Oct	Wizz Air UK
27 Sep - 13 Oct	Wizz Air UK
28 Sep - 12 Oct	Wizz Air UK
28 Sep - 05 Oct	China Eastern
27 Sep - 06 Oct	Wizz Air UK
26 Sep - 02 Oct	China Eastern
29 Sep - 12 Oct	Wizz Air UK
28 Sep - 03 Oct	China Eastern
24 Sep - 30 Sep	Gulf Air
26 Sep - 29 Sep	Wizz Air UK
25 Sep - 29 Sep	Wizz Air UK
26 Sep - 30 Sep	Gulf Air
26 Sep - 28 Sep	Wizz Air UK
25 Sep - 30 Sep	Wizz Air UK
24 Sep - 28 Sep	Wizz Air UK
28 Sep - 30 Sep	Gulf Air
26 Sep - 27 Sep	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 477€

Return flights