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

Return flights

02 Sep - 15 Sep	Hainan Airlines
09 Sep - 16 Sep	Hainan Airlines
15 Sep - 21 Oct	Air China
15 Sep - 22 Oct	Air China
25 Sep - 04 Oct	Oman Air
16 Sep - 23 Sep	Hainan Airlines
22 Sep - 12 Oct	China Eastern
02 Sep - 16 Sep	Hainan Airlines
30 Sep - 07 Oct	Gulf Air
22 Sep - 29 Sep	Wizz Air UK
26 Sep - 10 Oct	Wizz Air Malta
22 Sep - 06 Oct	Wizz Air UK
20 Sep - 03 Oct	Air China
10 Sep - 30 Sep	easyJet
22 Sep - 30 Sep	Wizz Air UK
24 Sep - 10 Oct	Wizz Air UK
24 Sep - 09 Oct	Wizz Air UK
13 Sep - 22 Sep	Gulf Air
13 Sep - 23 Sep	Gulf Air
10 Sep - 26 Sep	easyJet

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 470€

Return flights