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

Return flights

05 Sep - 12 Sep	Etihad Airways
25 Sep - 04 Oct	Scoot
11 Sep - 05 Oct	Scoot
11 Sep - 18 Sep	Scoot
11 Sep - 21 Sep	Scoot
20 Sep - 27 Sep	Scoot
17 Sep - 25 Sep	Air France
05 Sep - 27 Sep	Air France
12 Sep - 27 Sep	Air France
12 Sep - 19 Sep	Air France
03 Sep - 06 Sep	Turkish Airlines
03 Sep - 17 Sep	Air France
17 Sep - 14 Oct	Air France
27 Sep - 24 Oct	Air France
22 Sep - 10 Oct	Scoot

Also check the deals for one-way flights from Singapore to London 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 Singapore to London in September from $886

Return flights