AirHint found the following cheapest return flights from London (LCY) to Lisbon (LIS) in July 2026 (see full year).

Return flights

28 Jul - 31 Jul	SWISS
01 Jul - 28 Jul	SWISS
01 Jul - 07 Jul	SWISS
31 Jul - 03 Aug	SWISS
01 Jul - 10 Jul	SWISS
02 Jul - 08 Jul	SWISS
24 Jul - 03 Aug	SWISS
08 Jul - 13 Jul	SWISS
03 Jul - 06 Jul	SWISS
07 Jul - 10 Jul	SWISS
02 Jul - 07 Jul	SWISS
06 Jul - 09 Jul	SWISS
23 Jul - 14 Aug	SWISS
27 Jul - 02 Aug	KLM
26 Jul - 09 Aug	SWISS
20 Jul - 08 Aug	Lufthansa

Also check the deals for one-way flights from London to Lisbon in July.

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 Lisbon in July from 236€

Return flights