AirHint found the following cheapest return flights from London (LGW) to Singapore (SIN) in December 2025 (see full year).

Return flights

04 Dec - 30 Dec	Wizz Air UK
04 Dec - 11 Dec	Wizz Air UK
07 Dec - 30 Dec	SKY express
07 Dec - 12 Jan	SKY express
07 Dec - 11 Jan	SKY express
04 Dec - 14 Dec	Wizz Air UK
04 Dec - 18 Dec	Wizz Air UK
01 Dec - 07 Dec	Wizz Air Malta
07 Dec - 22 Dec	easyJet
04 Dec - 21 Dec	Wizz Air UK
04 Dec - 13 Dec	Wizz Air UK
07 Dec - 14 Dec	Wizz Air UK
02 Dec - 25 Jan	Air China
04 Dec - 06 Jan	Wizz Air UK
07 Dec - 05 Jan	Wizz Air UK
07 Dec - 10 Jan	SKY express
28 Dec - 31 Jan	Gulf Air
06 Dec - 14 Jan	Wizz Air UK
31 Dec - 25 Jan	Turkish Airlines
08 Dec - 20 Jan	Wizz Air UK

Also check the deals for one-way flights from London to Singapore in December.

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 December from 506€

Return flights