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

Return flights

20 Mar - 26 Mar	Hainan Airlines
16 Mar - 22 Mar	Hainan Airlines
11 Mar - 18 Mar	Hainan Airlines
09 Mar - 22 Mar	Hainan Airlines
06 Mar - 24 Mar	Hainan Airlines
11 Mar - 15 Mar	Hainan Airlines
13 Mar - 24 Mar	Hainan Airlines
06 Mar - 15 Mar	Hainan Airlines
09 Mar - 15 Mar	Hainan Airlines
06 Mar - 11 Mar	Hainan Airlines
19 Mar - 27 Apr	Aegean Airlines
12 Mar - 01 Apr	Air India
12 Mar - 02 Apr	Air India
01 Mar - 01 Apr	Air India
01 Mar - 07 Apr	Air China
19 Mar - 02 Apr	Gulf Air
08 Mar - 16 Apr	Gulf Air
16 Mar - 20 Apr	Gulf Air
23 Mar - 15 Apr	Gulf Air
17 Mar - 08 Apr	Air China

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

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 March from 453€

Return flights