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

Return flights

05 Jun - 21 Jun	SWISS
12 Jun - 16 Jun	KLM
08 Jun - 28 Jun	SWISS
05 Jun - 12 Jun	KLM
17 Jun - 05 Jul	SWISS
01 Jun - 11 Jun	SWISS
01 Jun - 15 Jun	KLM
15 Jun - 19 Jun	KLM
15 Jun - 26 Jun	KLM
11 Jun - 24 Jun	SWISS
05 Jun - 19 Jun	SWISS
22 Jun - 20 Jul	SWISS
18 Jun - 05 Jul	SWISS
25 Jun - 02 Jul	SWISS
22 Jun - 05 Jul	SWISS
22 Jun - 06 Jul	SWISS
19 Jun - 05 Jul	SWISS
28 Jun - 12 Jul	SWISS
19 Jun - 04 Jul	KLM
18 Jun - 04 Jul	SWISS

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

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 June from $801

Return flights