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

Return flights

12 Mar - 20 Mar	SWISS
03 Mar - 17 Mar	SWISS
05 Mar - 12 Mar	SWISS
10 Mar - 18 Mar	SWISS
05 Mar - 16 Mar	SWISS
19 Mar - 25 Mar	SWISS
19 Mar - 27 Mar	SWISS
05 Mar - 09 Mar	SWISS
12 Mar - 24 Mar	SWISS
10 Mar - 19 Mar	KLM
19 Mar - 05 Apr	SWISS
12 Mar - 05 Apr	SWISS
23 Mar - 06 Apr	SWISS
19 Mar - 06 Apr	SWISS
23 Mar - 07 Apr	SWISS
25 Mar - 13 Apr	SWISS
22 Mar - 08 Apr	SWISS
20 Mar - 05 Apr	SWISS
16 Mar - 08 Apr	SWISS
20 Mar - 02 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 $660

Return flights