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

Return flights

03 Dec - 07 Dec	easyJet
04 Dec - 25 Dec	Turkish Airlines
04 Dec - 31 Dec	Air China
03 Dec - 28 Dec	Air China
03 Dec - 23 Dec	Wizz Air UK
03 Dec - 31 Dec	Air China
10 Dec - 17 Dec	SKY express
03 Dec - 22 Dec	Air China
07 Dec - 21 Dec	Turkish Airlines
09 Dec - 16 Dec	Turkish Airlines
10 Dec - 09 Jan	SKY express
04 Dec - 03 Jan	Air China
09 Dec - 05 Jan	easyJet
15 Dec - 04 Jan	Wizz Air UK
30 Dec - 10 Jan	Air China
30 Dec - 03 Jan	Air China
29 Dec - 05 Jan	Air China
14 Dec - 06 Jan	Ryanair
09 Dec - 08 Jan	easyJet
20 Dec - 07 Jan	SKY express

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 543€

Return flights