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

Return flights

03 May - 07 May	Gulf Air
03 May - 12 May	Gulf Air
12 May - 21 May	Wizz Air UK
07 May - 15 May	SKY express
09 May - 16 May	Wizz Air UK
03 May - 10 May	Wizz Air UK
05 May - 04 Jun	Wizz Air Malta
03 May - 24 May	Wizz Air UK
21 May - 25 May	Air China
15 May - 22 May	Air China
09 May - 22 May	Air China
28 May - 02 Jun	Air China
27 May - 01 Jun	Air China
29 May - 07 Jun	Air China
24 May - 14 Jun	Air China
14 May - 11 Jun	Air China
31 May - 07 Jun	Air China
31 May - 08 Jun	Air China
27 May - 02 Jun	Air China
31 May - 21 Jun	Air China

Also check the deals for one-way flights from London to Singapore 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 London to Singapore in May from 463€

Return flights