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

Return flights

05 Jan - 04 Feb	Air India
15 Jan - 09 Feb	Air India
12 Jan - 03 Feb	Air India
13 Jan - 08 Feb	Air India
29 Jan - 11 Feb	Air India
29 Jan - 05 Feb	Air India
13 Jan - 11 Feb	Air India
29 Jan - 17 Feb	Air India
28 Jan - 18 Feb	Air India
19 Jan - 04 Feb	Air India
25 Jan - 31 Jan	Hainan Airlines
02 Jan - 31 Jan	Hainan Airlines
02 Jan - 22 Jan	Hainan Airlines
05 Jan - 25 Jan	Hainan Airlines
19 Jan - 24 Jan	Hainan Airlines
12 Jan - 23 Jan	Air China
19 Jan - 23 Jan	Air China
14 Jan - 28 Jan	Air China
19 Jan - 30 Jan	Air China
14 Jan - 21 Jan	Air China

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

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 London to Singapore in January from 363€

Return flights