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

Return flights

06 Dec - 22 Dec	Wizz Air Malta
03 Dec - 17 Dec	Wizz Air UK
06 Dec - 09 Dec	Wizz Air Malta
03 Dec - 10 Dec	Wizz Air Malta
06 Dec - 23 Dec	Wizz Air Malta
03 Dec - 11 Dec	Wizz Air Malta
07 Dec - 21 Dec	Wizz Air UK
03 Dec - 14 Dec	Wizz Air Malta
10 Dec - 16 Dec	easyJet
04 Dec - 17 Dec	Wizz Air Malta
07 Dec - 16 Jan	Wizz Air
05 Dec - 21 Jan	Wizz Air Malta
08 Dec - 12 Jan	Ryanair
05 Dec - 18 Jan	Wizz Air Malta
06 Dec - 13 Jan	Wizz Air Malta
09 Dec - 12 Jan	Ryanair
11 Dec - 20 Jan	Wizz Air Malta
31 Dec - 22 Jan	easyJet
09 Dec - 13 Jan	easyJet
31 Dec - 12 Jan	easyJet

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 579€

Return flights