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

Return flights

05 May - 10 May	Ryanair
07 May - 12 May	Ryanair
09 May - 13 May	Ryanair
12 May - 17 May	Ryanair
09 May - 15 May	Ryanair
01 May - 24 May	Pegasus Airlines
05 May - 14 May	Turkish Airlines
09 May - 14 May	Ryanair
08 May - 18 May	Turkish Airlines
01 May - 11 May	Turkish Airlines
28 May - 11 Jun	Ryanair
19 May - 02 Jun	Ryanair
23 May - 20 Jun	Ryanair
23 May - 15 Jun	Ryanair
22 May - 07 Jun	Ryanair
23 May - 05 Jun	Ryanair

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 $615

Return flights