Cheapest return flights from London to Singapore in December from $517

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

Return flights

01 Dec - 11 Dec Air China
05 Dec - 09 Dec Hainan Airlines
03 Dec - 07 Dec Hainan Airlines
05 Dec - 10 Dec Hainan Airlines
07 Dec - 11 Dec Hainan Airlines
01 Dec - 14 Jan Hainan Airlines
01 Dec - 10 Dec Hainan Airlines
05 Dec - 21 Jan Hainan Airlines
05 Dec - 28 Jan Hainan Airlines
05 Dec - 24 Dec Hainan Airlines
01 Dec - 18 Dec Hainan Airlines
03 Dec - 18 Dec Hainan Airlines
03 Dec - 10 Dec Hainan Airlines
03 Dec - 15 Jan Hainan Airlines
08 Dec - 24 Jan Hainan Airlines
03 Dec - 13 Jan Wizz Air UK
05 Dec - 14 Jan Lufthansa
07 Dec - 11 Jan easyJet
06 Dec - 14 Jan SWISS
31 Dec - 23 Jan Shenzhen Airlines

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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