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

Return flights

15 Mar - 22 Mar	Hainan Airlines
08 Mar - 15 Mar	Hainan Airlines
06 Mar - 22 Mar	Hainan Airlines
08 Mar - 14 Mar	Hainan Airlines
06 Mar - 14 Mar	Hainan Airlines
16 Mar - 22 Mar	Hainan Airlines
02 Mar - 08 Mar	Hainan Airlines
06 Mar - 08 Mar	Hainan Airlines
07 Mar - 15 Mar	Shenzhen Airlines
06 Mar - 13 Mar	Shenzhen Airlines
04 Mar - 02 Apr	Air India
05 Mar - 02 Apr	Air India
18 Mar - 01 Apr	Air India
10 Mar - 01 Apr	Air India
01 Mar - 01 Apr	Air India
09 Mar - 03 Apr	Air China
05 Mar - 05 Apr	Air China
09 Mar - 28 Apr	Lufthansa
22 Mar - 16 Apr	Gulf Air
19 Mar - 20 Apr	Gulf Air

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 459€

Return flights