Cheapest return flights from London to Singapore in December from 436€

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

Return flights

01 Dec - 20 Jan Air China
01 Dec - 27 Jan Air China
02 Dec - 19 Jan Air China
02 Dec - 26 Jan Air China
02 Dec - 21 Jan Air China
07 Dec - 15 Jan Hainan Airlines
05 Dec - 28 Dec Hainan Airlines
05 Dec - 27 Dec Hainan Airlines
08 Dec - 25 Dec Hainan Airlines
01 Dec - 07 Dec Hainan Airlines
08 Dec - 27 Dec Hainan Airlines
08 Dec - 24 Jan Hainan Airlines
04 Dec - 14 Jan Air China
05 Dec - 18 Jan Hainan Airlines
01 Dec - 29 Dec Shenzhen Airlines
03 Dec - 09 Dec Shenzhen Airlines
03 Dec - 26 Dec Shenzhen Airlines
01 Dec - 26 Dec Shenzhen Airlines
05 Dec - 18 Dec Shenzhen Airlines
04 Dec - 22 Jan Etihad Airways

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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