Cheapest one-way flights from Singapore to London in December from $249

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

One-Way flights

04 Dec Hainan Airlines
25 Dec Air China
28 Dec Air China
24 Dec Air China
07 Dec Hainan Airlines
03 Dec Hainan Airlines
23 Dec Hainan Airlines
10 Dec Hainan Airlines
16 Dec Hainan Airlines
11 Dec Hainan Airlines

Also check the deals for return 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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