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

Return flights

04 Apr - 19 Apr	Lufthansa
18 Apr - 27 Apr	Air China
09 Apr - 03 May	Air China
18 Apr - 25 Apr	Air China
30 Apr - 09 May	Air China
30 Apr - 10 May	Lufthansa
29 Apr - 10 May	Lufthansa
28 Apr - 05 May	Lufthansa
08 Apr - 03 May	Lufthansa
28 Apr - 03 May	Lufthansa
13 Apr - 27 Apr	Lufthansa
23 Apr - 08 May	Finnair
08 Apr - 02 May	Finnair
20 Apr - 02 May	Finnair
23 Apr - 30 Apr	Aegean Airlines
15 Apr - 29 Apr	Lufthansa
16 Apr - 21 Apr	Lufthansa
15 Apr - 30 Apr	Lufthansa
06 Apr - 20 Apr	Lufthansa
09 Apr - 16 Apr	Finnair

Also check the deals for one-way flights from London to Singapore in April.

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 April from $541

Return flights