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

Return flights

24 Jul - 29 Jul	SWISS
01 Jul - 10 Jul	SWISS
15 Jul - 29 Jul	SWISS
14 Jul - 29 Jul	SWISS
07 Jul - 08 Jul	SWISS
07 Jul - 14 Jul	SWISS
16 Jul - 29 Jul	SWISS
06 Jul - 10 Jul	SWISS
27 Jul - 03 Aug	SWISS
05 Jul - 09 Jul	SWISS
13 Jul - 16 Jul	Lufthansa
29 Jul - 08 Aug	SWISS

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 $262

Return flights