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

Return flights

11 Apr - 27 Apr	Vueling Airlines
30 Apr - 24 May	Lufthansa
30 Apr - 11 May	Lufthansa
27 Apr - 25 May	Lufthansa
15 Apr - 21 Apr	Hainan Airlines
08 Apr - 21 Apr	Hainan Airlines
20 Apr - 10 May	Hainan Airlines
12 Apr - 26 Apr	Air Serbia
23 Apr - 07 May	Lufthansa
22 Apr - 04 May	Air India
23 Apr - 10 May	Air India
13 Apr - 04 May	Air India
29 Apr - 06 May	Air India
21 Apr - 05 May	Air India
11 Apr - 21 Apr	Vueling Airlines
21 Apr - 26 Apr	Aegean Airlines
21 Apr - 28 Apr	Aegean Airlines
10 Apr - 26 Apr	Hainan Airlines
14 Apr - 23 Apr	Gulf Air
16 Apr - 30 Apr	Gulf Air

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 482€

Return flights