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

Return flights

09 May - 15 May	Ryanair
12 May - 19 May	Turkish Airlines
05 May - 12 May	Turkish Airlines
15 May - 22 May	Ryanair
06 May - 12 May	Turkish Airlines
03 May - 12 May	Turkish Airlines
08 May - 16 May	Turkish Airlines
01 May - 04 May	Turkish Airlines
17 May - 24 May	Ryanair
14 May - 03 Jun	Ryanair
09 May - 23 May	Ryanair
15 May - 08 Jun	Ryanair
27 May - 18 Jun	Turkish Airlines
29 May - 14 Jun	Ryanair
28 May - 15 Jun	Turkish Airlines
25 May - 01 Jun	Turkish Airlines

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 $691

Return flights