Cheapest return flights from London to Singapore in December from $888

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 - 09 Dec SWISS
03 Dec - 14 Dec KLM
04 Dec - 09 Dec SWISS
03 Dec - 10 Dec KLM
04 Dec - 08 Dec KLM
07 Dec - 21 Dec KLM
07 Dec - 25 Jan KLM
09 Dec - 19 Dec SWISS
07 Dec - 31 Jan KLM
04 Dec - 07 Jan SWISS
15 Dec - 12 Jan SWISS
16 Dec - 30 Dec SWISS
11 Dec - 30 Dec SWISS
25 Dec - 14 Jan SWISS
29 Dec - 08 Jan SWISS
24 Dec - 08 Jan British Airways
29 Dec - 09 Jan SWISS
06 Dec - 13 Dec KLM
24 Dec - 20 Jan SWISS
24 Dec - 10 Jan British Airways

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

Skyscanner

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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