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

Return flights

05 Mar - 12 Mar	SWISS
02 Mar - 23 Mar	KLM
04 Mar - 23 Mar	KLM
16 Mar - 23 Mar	KLM
19 Mar - 23 Mar	KLM
04 Mar - 11 Mar	KLM
10 Mar - 24 Mar	Lufthansa
13 Mar - 18 Mar	SWISS
19 Mar - 24 Mar	KLM
05 Mar - 10 Mar	Lufthansa
19 Mar - 02 Apr	KLM
26 Mar - 02 Apr	KLM
23 Mar - 07 Apr	KLM
18 Mar - 05 Apr	SWISS
19 Mar - 03 Apr	SWISS
02 Mar - 06 Apr	SWISS
13 Mar - 06 Apr	SWISS
19 Mar - 06 Apr	SWISS
16 Mar - 06 Apr	SWISS
19 Mar - 08 Apr	KLM

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 $654

Return flights