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

Return flights

18 Mar - 25 Mar	Air India
10 Mar - 17 Mar	Air India
01 Mar - 06 Mar	Air India
01 Mar - 05 Mar	Air India
03 Mar - 11 Mar	Air China
04 Mar - 11 Mar	Air China
02 Mar - 23 Mar	Air China
01 Mar - 01 Apr	easyJet
11 Mar - 25 Mar	Air China
07 Mar - 28 Mar	Air China
01 Mar - 31 Mar	Air China
31 Mar - 07 Apr	Wizz Air UK
29 Mar - 05 Apr	Wizz Air UK
22 Mar - 05 Apr	Wizz Air UK
22 Mar - 01 Apr	Wizz Air UK
27 Mar - 04 Apr	Air Serbia
17 Mar - 26 Apr	Lufthansa
23 Mar - 25 Apr	SWISS
23 Mar - 23 Apr	SWISS
18 Mar - 26 Apr	SWISS

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 $439

Return flights