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

Return flights

08 Mar - 19 Mar	Air China
07 Mar - 22 Mar	Air China
12 Mar - 18 Mar	Air China
16 Mar - 30 Mar	Austrian Airlines
04 Mar - 15 Mar	SWISS
12 Mar - 19 Mar	Lufthansa
10 Mar - 17 Mar	Lufthansa
03 Mar - 15 Mar	SWISS
07 Mar - 12 Mar	Lufthansa
05 Mar - 10 Mar	British Airways
26 Mar - 16 Apr	Finnair
13 Mar - 03 Apr	Royal Brunei
13 Mar - 10 Apr	Royal Brunei
19 Mar - 05 Apr	Singapore Airlines	direct
31 Mar - 14 Apr	Lufthansa
30 Mar - 07 Apr	Air France
30 Mar - 14 Apr	Air France
26 Mar - 13 Apr	Finnair
26 Mar - 12 Apr	Finnair
26 Mar - 05 Apr	Finnair

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 $639

Return flights