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

Return flights

12 May - 18 May	Air China
05 May - 10 May	Air China
07 May - 12 May	Air China
12 May - 16 May	Air China
07 May - 11 May	Air China
14 May - 19 May	Air China
03 May - 07 May	Gulf Air
05 May - 21 May	Air China
02 May - 18 May	Air China
10 May - 24 May	Air China
18 May - 01 Jun	Air China
25 May - 01 Jun	Air China
29 May - 11 Jun	Air China
21 May - 13 Jun	Air China
20 May - 03 Jun	Air China
22 May - 06 Jun	Gulf Air
22 May - 04 Jun	Gulf Air
31 May - 07 Jun	Turkish Airlines
28 May - 01 Jun	Air France
16 May - 07 Jun	easyJet

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 $566

Return flights