Cheapest return flights from Singapore to London in September from $668

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

Return flights

04 Sep - 20 Sep Finnair
06 Sep - 18 Sep Finnair
21 Sep - 28 Sep Etihad Airways
14 Sep - 22 Sep Finnair
01 Sep - 07 Sep Finnair
15 Sep - 22 Sep Finnair
08 Sep - 20 Sep Finnair
01 Sep - 10 Sep Finnair
10 Sep - 17 Sep Finnair
25 Sep - 30 Oct Finnair
26 Sep - 30 Oct Finnair
18 Sep - 25 Sep Finnair
28 Sep - 10 Oct Etihad Airways
22 Sep - 09 Oct Etihad Airways
25 Sep - 30 Oct Singapore Airlines direct
26 Sep - 30 Oct Singapore Airlines direct
22 Sep - 09 Oct Singapore Airlines direct
28 Sep - 10 Oct Singapore Airlines direct
10 Sep - 01 Oct China Southern
10 Sep - 02 Oct China Southern

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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