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

Return flights

16 Dec - 11 Jan	Scoot
15 Dec - 11 Jan	Scoot
19 Dec - 30 Dec	Scoot
09 Dec - 11 Jan	Scoot
25 Dec - 13 Jan	Etihad Airways
11 Dec - 29 Dec	Scoot
15 Dec - 05 Jan	Scoot
19 Dec - 05 Jan	Scoot
04 Dec - 07 Dec	Scoot
23 Dec - 09 Jan	Scoot
15 Dec - 29 Dec	Scoot
06 Dec - 29 Dec	Scoot
23 Dec - 05 Jan	Scoot
12 Dec - 11 Jan	Emirates
11 Dec - 15 Dec	Scoot
02 Dec - 15 Dec	Scoot
19 Dec - 29 Dec	Scoot
18 Dec - 01 Jan	Scoot
06 Dec - 15 Dec	Scoot
08 Dec - 15 Dec	Scoot

Also check the deals for one-way flights from Singapore to London in December.

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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Cheapest return flights from Singapore to London in December from $747

Return flights