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

Return flights

03 Jul - 05 Jul	Luxair
03 Jul - 06 Jul	Luxair
20 Jul - 24 Jul	SWISS
19 Jul - 24 Jul	SWISS
20 Jul - 23 Jul	SWISS
15 Jul - 17 Jul	SWISS
08 Jul - 13 Jul	Luxair
27 Jul - 30 Jul	Iberia
14 Jul - 17 Jul	Lufthansa
27 Jul - 31 Jul	Iberia
29 Jul - 05 Aug	SWISS
31 Jul - 06 Aug	SWISS
28 Jul - 04 Aug	Lufthansa
31 Jul - 04 Aug	SWISS
22 Jul - 18 Aug	Lufthansa
30 Jul - 27 Aug	SWISS
20 Jul - 03 Aug	SWISS
13 Jul - 01 Aug	SWISS
22 Jul - 01 Aug	Lufthansa
27 Jul - 01 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 $324

Return flights