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
05 May - 12 May	Ryanair
16 May - 11 Jun	Ryanair
03 May - 09 May	Ryanair
04 May - 12 May	Ryanair
07 May - 19 May	Ryanair
07 May - 11 May	Ryanair
11 May - 18 May	Pegasus Airlines
08 May - 12 May	Pegasus Airlines
16 May - 07 Jun	Ryanair
01 May - 08 May	Pegasus Airlines
07 May - 14 May	Ryanair
31 May - 08 Jun	Ryanair
23 May - 15 Jun	Ryanair
11 May - 15 Jun	Turkish Airlines
29 May - 11 Jun	Ryanair
30 May - 11 Jun	Ryanair
20 May - 01 Jun	Emirates
25 May - 28 Jun	Emirates
15 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 461€

Return flights