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

Return flights

25 Sep - 02 Oct	Wizz Air UK
30 Sep - 14 Oct	Wizz Air UK
24 Sep - 06 Oct	Wizz Air UK
20 Sep - 04 Oct	Wizz Air UK
25 Sep - 03 Oct	Wizz Air UK
30 Sep - 07 Oct	Wizz Air UK
12 Sep - 20 Sep	Wizz Air UK
17 Sep - 02 Oct	Ryanair
15 Sep - 09 Oct	Ryanair
26 Sep - 02 Oct	FlyOne (Romania)
01 Sep - 10 Sep	Wizz Air UK
01 Sep - 16 Sep	Wizz Air UK
01 Sep - 08 Sep	Wizz Air UK
26 Sep - 03 Oct	Wizz Air Malta
03 Sep - 10 Sep	Wizz Air UK
07 Sep - 12 Sep	Wizz Air UK
01 Sep - 15 Sep	Wizz Air Malta
13 Sep - 24 Sep	Wizz Air UK
21 Sep - 27 Sep	Wizz Air Malta
21 Sep - 28 Sep	Wizz Air Malta

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 547€

Return flights