Cheapest return flights from Singapore to London in September from $700

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

Return flights

15 Sep - 22 Sep Finnair
14 Sep - 23 Sep Finnair
08 Sep - 14 Sep Finnair
03 Sep - 23 Sep Finnair
01 Sep - 15 Sep Finnair
03 Sep - 10 Sep Finnair
10 Sep - 17 Sep Finnair
24 Sep - 29 Sep Etihad Airways
15 Sep - 07 Oct IndiGo
22 Sep - 29 Sep Finnair
19 Sep - 04 Oct Finnair
05 Sep - 20 Sep Finnair
25 Sep - 04 Oct Finnair
19 Sep - 03 Oct Gulf Air
24 Sep - 03 Oct Gulf Air
01 Sep - 06 Oct Finnair
02 Sep - 13 Oct Finnair
10 Sep - 08 Oct Emirates
19 Sep - 07 Oct Finnair
22 Sep - 03 Oct Emirates

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

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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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