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

Return flights

15 May - 23 May	Air China
13 May - 20 May	Air China
15 May - 30 May	Air China
09 May - 20 May	Air China
19 May - 26 May	Air China
14 May - 17 May	Air China
11 May - 26 May	Air China
11 May - 01 Jun	Air China
22 May - 29 May	Air China
22 May - 30 May	Air China
23 May - 28 May	Air China
27 May - 05 Jun	Air China
28 May - 06 Jun	Air China
24 May - 04 Jun	Air China
25 May - 06 Jun	Air China
29 May - 02 Jun	Air China
27 May - 03 Jun	Air China
25 May - 14 Jun	Air China
15 May - 08 Jun	Air China
16 May - 09 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 497€

Return flights