Cheapest return flights from London to Singapore in December from $592

Best time to book flights for London (LON) to Singapore (SIN) flights at AirHint

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

Return flights

05 Dec - 25 Jan Air China
05 Dec - 24 Jan Air China
30 Dec - 30 Jan Air China
03 Dec - 08 Dec Air India
07 Dec - 26 Dec British Airways
03 Dec - 10 Dec Air India
02 Dec - 16 Dec Singapore Airlines direct
08 Dec - 15 Dec Wizz Air Malta
01 Dec - 31 Dec Lufthansa
03 Dec - 11 Dec Turkish Airlines
06 Dec - 13 Jan Malaysia Airlines
03 Dec - 08 Dec Singapore Airlines direct
05 Dec - 12 Dec Air India
04 Dec - 18 Dec Air India
11 Dec - 24 Jan British Airways
25 Dec - 24 Jan British Airways
07 Dec - 09 Jan easyJet
11 Dec - 22 Jan Ryanair
14 Dec - 08 Jan British Airways
25 Dec - 01 Jan Vueling Airlines

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

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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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