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

Return flights

21 Apr - 05 May	Gulf Air
16 Apr - 23 Apr	Lufthansa
23 Apr - 07 May	Lufthansa
19 Apr - 27 Apr	SWISS
22 Apr - 16 May	Finnair
07 Apr - 21 Apr	Lufthansa
14 Apr - 25 Apr	Etihad Airways
02 Apr - 25 Apr	Etihad Airways
10 Apr - 27 Apr	Lufthansa
15 Apr - 22 Apr	Gulf Air
12 Apr - 26 Apr	SWISS
09 Apr - 20 Apr	Finnair
09 Apr - 22 Apr	Finnair
25 Apr - 09 May	Finnair
26 Apr - 01 May	Gulf Air
25 Apr - 08 May	Finnair
23 Apr - 07 May	Singapore Airlines	direct
01 Apr - 02 May	Etihad Airways
25 Apr - 09 May	Singapore Airlines	direct
26 Apr - 01 May	Singapore Airlines	direct

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 $656

Return flights