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

Return flights

05 May - 19 May	Wizz Air UK
07 May - 12 May	Wizz Air UK
03 May - 10 May	Wizz Air UK
03 May - 08 May	Wizz Air UK
03 May - 19 May	Wizz Air UK
12 May - 19 May	Wizz Air UK
05 May - 25 May	Ryanair
06 May - 19 May	Wizz Air UK
06 May - 25 May	Wizz Air UK
05 May - 26 May	Wizz Air UK
19 May - 01 Jun	Ryanair
25 May - 08 Jun	Ryanair
20 May - 01 Jun	Ryanair
24 May - 01 Jun	Ryanair
26 May - 08 Jun	Wizz Air UK
22 May - 01 Jun	Ryanair
09 May - 04 Jun	Wizz Air UK
19 May - 02 Jun	Ryanair
15 May - 09 Jun	Wizz Air Malta
29 May - 08 Jun	Wizz Air Malta

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 450€

Return flights