Cheapest one-way flights from London to Singapore in December from 321€

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

One-Way flights

03 Dec Hainan Airlines
07 Dec Hainan Airlines
01 Dec Hainan Airlines
08 Dec Hainan Airlines
05 Dec Hainan Airlines
29 Dec Shenzhen Airlines
31 Dec Shenzhen Airlines
02 Dec Iberia
11 Dec Vueling Airlines
04 Dec Gulf Air

Also check the deals for return 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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