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

Return flights

05 May - 10 May	Wizz Air UK
05 May - 12 May	Wizz Air UK
11 May - 21 May	Pegasus Airlines
07 May - 12 May	Wizz Air UK
04 May - 11 May	Lufthansa
08 May - 11 May	Lufthansa
15 May - 24 May	Lufthansa
16 May - 24 May	Lufthansa
04 May - 18 May	Lufthansa
11 May - 18 May	Lufthansa
20 May - 02 Jun	Gulf Air
31 May - 14 Jun	Gulf Air
16 May - 07 Jun	Wizz Air UK
19 May - 02 Jun	Air India
25 May - 06 Jun	Air India
15 May - 27 Jun	Air China
29 May - 08 Jun	Gulf Air
16 May - 01 Jun	Air China
07 May - 08 Jun	Gulf Air
22 May - 15 Jun	Air India

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 431€

Return flights