Cheapest return flights from London to Singapore in December from $692

Best time to book flights for London (LHR) to Singapore (SIN) flights at AirHint

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

Return flights

04 Dec - 08 Dec British Airways
02 Dec - 08 Dec Air India
02 Dec - 09 Dec Air India
02 Dec - 09 Dec Singapore Airlines direct
03 Dec - 10 Dec Singapore Airlines direct
03 Dec - 24 Dec Singapore Airlines direct
02 Dec - 08 Dec Singapore Airlines direct
04 Dec - 21 Dec Air India
03 Dec - 14 Dec Singapore Airlines direct
09 Dec - 25 Dec Air India
28 Dec - 30 Jan Air China
07 Dec - 25 Jan Aegean Airlines
07 Dec - 31 Jan Turkish Airlines
27 Dec - 11 Jan Air China
07 Dec - 25 Jan Singapore Airlines direct
07 Dec - 31 Jan British Airways direct
24 Dec - 20 Jan Air France
24 Dec - 18 Jan Air France
28 Dec - 18 Jan Air China
29 Dec - 08 Jan British Airways

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