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

Return flights

02 May - 10 May	Etihad Airways
07 May - 16 May	Etihad Airways
03 May - 10 May	Etihad Airways
03 May - 05 May	Gulf Air
14 May - 18 May	Gulf Air
07 May - 27 May	Gulf Air
22 May - 01 Jun	Gulf Air
10 May - 22 May	Gulf Air
24 May - 06 Jun	Gulf Air
03 May - 17 May	Etihad Airways
30 May - 11 Jun	Gulf Air
04 May - 14 May	Etihad Airways
12 May - 17 May	Etihad Airways
23 May - 02 Jun	Gulf Air
21 May - 01 Jun	Finnair
29 May - 12 Jun	Gulf Air
29 May - 11 Jun	Gulf Air
26 May - 01 Jun	Finnair
29 May - 05 Jun	Gulf Air
14 May - 02 Jun	Finnair

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

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 May from 529€

Return flights