Cheapest return flights from London to Singapore in December from $707

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

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

Return flights

01 Dec - 15 Dec British Airways
01 Dec - 08 Dec British Airways
02 Dec - 09 Dec Singapore Airlines direct
01 Dec - 10 Dec Singapore Airlines direct
01 Dec - 08 Dec Singapore Airlines direct
01 Dec - 15 Dec Singapore Airlines direct
01 Dec - 11 Dec Turkish Airlines
03 Dec - 14 Jan Lufthansa
01 Dec - 11 Dec Singapore Airlines direct
03 Dec - 14 Jan Singapore Airlines direct
05 Dec - 12 Dec Air India
05 Dec - 22 Dec Air India
07 Dec - 25 Jan Singapore Airlines direct
28 Dec - 11 Jan Air China
16 Dec - 29 Jan SWISS
26 Dec - 06 Jan China Airlines
27 Dec - 10 Jan China Airlines
01 Dec - 04 Jan Lufthansa
29 Dec - 05 Jan Air India
19 Dec - 08 Jan British Airways

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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