Cheapest return flights from Singapore to London in December from $725

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

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

Return flights

01 Dec - 31 Dec Lufthansa
25 Dec - 31 Dec Lufthansa
25 Dec - 01 Jan Lufthansa
01 Dec - 07 Dec Lufthansa
01 Dec - 09 Dec Lufthansa
04 Dec - 10 Dec Lufthansa
23 Dec - 31 Dec Lufthansa
21 Dec - 31 Dec Lufthansa
13 Dec - 31 Dec Lufthansa
15 Dec - 31 Dec Lufthansa
20 Dec - 31 Dec Lufthansa
12 Dec - 01 Jan Lufthansa
19 Dec - 01 Jan Lufthansa
12 Dec - 02 Jan Lufthansa
15 Dec - 02 Jan Lufthansa
24 Dec - 01 Jan SWISS
24 Dec - 02 Jan SWISS
23 Dec - 02 Jan Finnair
22 Dec - 02 Jan Finnair
19 Dec - 02 Jan Lufthansa

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