Cheapest return flights from London to Singapore in December from 429€

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

Return flights

03 Dec - 31 Dec Air China
04 Dec - 22 Jan Air China
01 Dec - 22 Jan Air China
01 Dec - 21 Jan Air China
03 Dec - 19 Jan Air China
04 Dec - 08 Dec Air China
01 Dec - 08 Dec Air China
01 Dec - 31 Dec Air China
01 Dec - 28 Dec Air China
02 Dec - 09 Dec Air China
01 Dec - 10 Dec Air China
01 Dec - 18 Dec Shenzhen Airlines
01 Dec - 09 Dec Shenzhen Airlines
01 Dec - 13 Dec Shenzhen Airlines
06 Dec - 22 Jan Air China
03 Dec - 29 Jan Air China
05 Dec - 14 Jan Lufthansa
06 Dec - 14 Jan Lufthansa
28 Dec - 29 Jan Gulf Air
09 Dec - 18 Jan SWISS

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

Book a cheap hotel in Singapore

Cheap car rent in Singapore

Feel free to contact us with any feedback or request another flight research.