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

Return flights

04 May - 13 May	Scoot
23 May - 03 Jun	AirAsia
05 May - 14 May	Turkish Airlines
26 May - 09 Jun	Qatar Airways
12 May - 17 May	Etihad Airways
15 May - 23 May	Scoot
09 May - 16 May	Etihad Airways
20 May - 27 May	Scoot
01 May - 09 May	Scoot
24 May - 10 Jun	Scoot
27 May - 10 Jun	Air France
20 May - 31 May	Air France
06 May - 11 May	Scoot
21 May - 03 Jun	Air France
21 May - 31 May	Air France
28 May - 07 Jun	Air France
29 May - 06 Jun	Scoot
29 May - 07 Jun	Scoot
30 May - 14 Jun	Air France
29 May - 02 Jun	Scoot

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 $668

Return flights