Cheapest return flights from London to Singapore in December from 586€

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

Return flights

09 Dec - 22 Dec SWISS
09 Dec - 24 Dec SWISS
09 Dec - 23 Dec SWISS
09 Dec - 25 Dec SWISS
09 Dec - 16 Dec SWISS
09 Dec - 21 Dec SWISS
01 Dec - 09 Dec SWISS
05 Dec - 08 Dec SWISS
02 Dec - 10 Dec SWISS
04 Dec - 07 Dec SWISS
03 Dec - 23 Jan SWISS
04 Dec - 14 Jan SWISS
08 Dec - 15 Jan Lufthansa
07 Dec - 19 Jan SWISS
01 Dec - 14 Jan SWISS
06 Dec - 14 Jan SWISS
06 Dec - 13 Jan ITA Airways
06 Dec - 17 Jan KLM
11 Dec - 18 Jan SWISS
02 Dec - 11 Jan 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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