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

Return flights

27 Apr - 11 May	Lufthansa
23 Apr - 07 May	Lufthansa
23 Apr - 05 May	Lufthansa
14 Apr - 05 May	Lufthansa
13 Apr - 05 May	Lufthansa
13 Apr - 26 Apr	Lufthansa
20 Apr - 27 Apr	SWISS
19 Apr - 27 Apr	SWISS
19 Apr - 26 Apr	SWISS
27 Apr - 10 May	Lufthansa
26 Apr - 26 May	Lufthansa
30 Apr - 07 May	SWISS
20 Apr - 30 Apr	Lufthansa
30 Apr - 05 May	SWISS
12 Apr - 26 Apr	Lufthansa
15 Apr - 03 May	SWISS
15 Apr - 28 Apr	SWISS
14 Apr - 19 Apr	SWISS
14 Apr - 20 Apr	SWISS
10 Apr - 19 Apr	Lufthansa

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.

Book a cheap hotel in Singapore

Cheap car rent in Singapore

Cheapest return flights from London to Singapore in April from 553€

Return flights