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

Return flights

17 Sep - 01 Oct	Wizz Air Malta
01 Sep - 01 Oct	Wizz Air UK
26 Sep - 03 Oct	Wizz Air Malta
23 Sep - 14 Oct	Wizz Air
19 Sep - 14 Oct	Wizz Air Malta
20 Sep - 14 Oct	Wizz Air Malta
09 Sep - 18 Sep	Wizz Air
16 Sep - 23 Sep	Wizz Air Malta
15 Sep - 07 Oct	Wizz Air Malta
08 Sep - 18 Sep	Wizz Air Malta
22 Sep - 14 Oct	Wizz Air UK
21 Sep - 06 Oct	Wizz Air Malta
21 Sep - 14 Oct	Wizz Air UK
01 Sep - 14 Sep	Wizz Air Malta
23 Sep - 28 Sep	Ryanair
23 Sep - 30 Sep	Wizz Air UK
01 Sep - 18 Sep	Wizz Air UK
14 Sep - 26 Sep	Wizz Air UK
20 Sep - 30 Sep	Wizz Air UK
13 Sep - 16 Sep	Wizz Air UK

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 $717

Return flights