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

Return flights

07 May - 12 May	Air China
19 May - 26 May	Air China
18 May - 25 May	Air China
14 May - 21 May	Air China
01 May - 12 May	Air China
03 May - 17 May	Air China
18 May - 24 May	Air China
05 May - 11 May	Air China
15 May - 29 May	Air China
12 May - 22 May	Air China
20 May - 03 Jun	Air China
20 May - 01 Jun	Air China
09 May - 06 Jun	Air China
23 May - 02 Jun	Air China
22 May - 02 Jun	Gulf Air
20 May - 03 Jun	Singapore Airlines	direct
22 May - 02 Jun	Singapore Airlines	direct
23 May - 02 Jun	Singapore Airlines	direct
16 May - 06 Jun	easyJet
29 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 $570

Return flights