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

Return flights

11 May - 18 May	Turkish Airlines
11 May - 25 May	Turkish Airlines
14 May - 18 May	AirAsia
07 May - 17 May	AirAsia
02 May - 12 May	Turkish Airlines
05 May - 12 May	Etihad Airways
14 May - 17 May	Turkish Airlines
26 May - 09 Jun	Gulf Air
07 May - 16 May	Turkish Airlines
12 May - 29 May	Turkish Airlines
09 May - 16 May	Turkish Airlines
21 May - 01 Jun	Emirates
26 May - 28 Jun	Emirates
28 May - 03 Jun	Emirates
21 May - 03 Jun	Etihad Airways
21 May - 07 Jun	Etihad Airways
27 May - 07 Jun	Emirates
23 May - 02 Jun	Emirates
26 May - 15 Jun	Gulf Air
29 May - 14 Jun	Emirates

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 $650

Return flights