Cheapest return flights from London to Singapore in December from 453€

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

Return flights

07 Dec - 25 Dec Hainan Airlines
01 Dec - 28 Dec Hainan Airlines
08 Dec - 23 Dec Hainan Airlines
08 Dec - 17 Dec Hainan Airlines
03 Dec - 10 Dec Hainan Airlines
01 Dec - 09 Dec Hainan Airlines
03 Dec - 11 Dec Hainan Airlines
07 Dec - 28 Dec Hainan Airlines
03 Dec - 16 Dec Hainan Airlines
08 Dec - 27 Dec Hainan Airlines
31 Dec - 23 Jan Shenzhen Airlines
31 Dec - 19 Jan Shenzhen Airlines
29 Dec - 15 Jan Shenzhen Airlines
31 Dec - 18 Jan Shenzhen Airlines
08 Dec - 15 Jan Hainan Airlines
08 Dec - 14 Jan Hainan Airlines
08 Dec - 13 Jan Hainan Airlines
01 Dec - 02 Jan Hainan Airlines
01 Dec - 14 Jan Hainan Airlines
06 Dec - 10 Jan China Eastern

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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