AirHint found the following cheapest return flights from Singapore (SIN) to London (LHR) in December 2026 (see full year).

Return flights

02 Dec - 09 Dec	Air France
01 Dec - 10 Dec	Air France
07 Dec - 03 Jan	Lufthansa
15 Dec - 12 Jan	Lufthansa
27 Dec - 03 Jan	Lufthansa
23 Dec - 03 Jan	Lufthansa
07 Dec - 04 Jan	Lufthansa
14 Dec - 02 Jan	Lufthansa
07 Dec - 14 Dec	Lufthansa
25 Dec - 09 Jan	Emirates
22 Dec - 07 Jan	Lufthansa
19 Dec - 07 Jan	Lufthansa
03 Dec - 11 Dec	Oman Air
03 Dec - 13 Dec	Lufthansa
03 Dec - 06 Dec	Lufthansa
23 Dec - 06 Jan	Lufthansa
08 Dec - 15 Dec	Lufthansa
08 Dec - 17 Dec	Scoot
09 Dec - 24 Dec	Air India
03 Dec - 23 Dec	Emirates

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 601€

Return flights