Cheapest return flights from London to Singapore in December from 699€

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

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

Return flights

02 Dec - 30 Dec SWISS
02 Dec - 12 Jan SWISS
11 Dec - 09 Jan ITA Airways
11 Dec - 30 Dec ITA Airways
30 Dec - 23 Jan SWISS
30 Dec - 24 Jan SWISS
11 Dec - 28 Dec ITA Airways
11 Dec - 31 Dec ITA Airways
29 Dec - 15 Jan Lufthansa
09 Dec - 27 Dec SWISS
05 Dec - 25 Dec KLM
16 Dec - 27 Dec SWISS
08 Dec - 29 Dec SWISS
28 Dec - 20 Jan SWISS
28 Dec - 15 Jan SWISS
28 Dec - 14 Jan SWISS
05 Dec - 13 Jan Lufthansa
05 Dec - 12 Jan KLM
03 Dec - 24 Dec SWISS
16 Dec - 31 Dec SWISS

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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