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

Return flights

04 May - 11 May	Lufthansa
14 May - 28 May	Lufthansa
21 May - 28 May	Lufthansa
12 May - 11 Jun	Lufthansa
14 May - 25 Jun	Lufthansa
25 May - 08 Jun	Lufthansa
22 May - 08 Jun	SWISS
21 May - 02 Jun	Lufthansa
28 May - 08 Jun	Lufthansa
28 May - 11 Jun	Lufthansa
05 May - 19 May	Lufthansa
14 May - 17 May	Lufthansa
20 May - 31 May	Lufthansa
13 May - 31 May	Lufthansa
11 May - 20 May	Lufthansa
13 May - 20 May	Lufthansa
25 May - 31 May	Lufthansa
26 May - 02 Jun	Lufthansa
05 May - 01 Jun	Lufthansa
22 May - 02 Jun	SWISS

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 563€

Return flights