Cheapest return flights from London to Singapore in December from $770

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

Return flights

28 Dec - 18 Jan Shenzhen Airlines
30 Dec - 29 Jan KLM
31 Dec - 16 Jan SWISS
29 Dec - 20 Jan SWISS
30 Dec - 16 Jan KLM
29 Dec - 14 Jan Turkish Airlines
27 Dec - 19 Jan SWISS
28 Dec - 30 Jan SWISS
28 Dec - 29 Jan SWISS
30 Dec - 12 Jan Eurowings
28 Dec - 31 Dec Shenzhen Airlines
29 Dec - 31 Dec Eurowings
30 Dec - 31 Dec Air India
28 Dec - 31 Dec Qantas direct
30 Dec - 31 Dec Qantas direct
29 Dec - 31 Dec Qantas direct

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

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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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