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

Return flights

06 May - 17 May	Lufthansa
15 May - 18 May	Lufthansa
06 May - 18 May	Lufthansa
05 May - 12 May	Wizz Air UK
18 May - 25 May	Lufthansa
11 May - 18 May	Lufthansa
05 May - 26 May	Wizz Air UK
02 May - 11 May	Lufthansa
08 May - 17 May	Lufthansa
04 May - 19 May	Lufthansa
29 May - 12 Jun	Air China
31 May - 14 Jun	Air China
27 May - 14 Jun	Air China
29 May - 14 Jun	Air China
25 May - 19 Jun	Air China
26 May - 04 Jun	Air China
19 May - 14 Jun	Air China
26 May - 02 Jun	Air China
25 May - 01 Jun	Air China
26 May - 05 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 465€

Return flights