Cheapest one-way flights from Singapore to London in December from $318

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

One-Way flights

24 Dec Etihad Airways
28 Dec Hainan Airlines
14 Dec Hainan Airlines
03 Dec Etihad Airways
26 Dec Etihad Airways
09 Dec Etihad Airways
25 Dec Etihad Airways
07 Dec Hainan Airlines
06 Dec Air India
20 Dec Air India

Also check the deals for return flights from Singapore to London in December.

Skyscanner

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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