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

Return flights

12 Mar - 23 Mar	KLM
09 Mar - 23 Mar	KLM
03 Mar - 03 Apr	Lufthansa
09 Mar - 31 Mar	KLM
04 Mar - 31 Mar	KLM
05 Mar - 12 Mar	KLM
08 Mar - 31 Mar	KLM
12 Mar - 19 Mar	KLM
15 Mar - 19 Mar	KLM
03 Mar - 17 Mar	SWISS
02 Mar - 25 Mar	SWISS
03 Mar - 14 Apr	Lufthansa
22 Mar - 05 Apr	KLM
25 Mar - 09 Apr	SWISS
19 Mar - 23 Apr	KLM
04 Mar - 01 Apr	KLM
19 Mar - 09 Apr	SWISS
29 Mar - 05 Apr	KLM
31 Mar - 14 Apr	KLM
17 Mar - 22 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 $808

Return flights