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

Return flights

14 Jul - 21 Jul	Lufthansa
22 Jul - 29 Jul	Lufthansa
01 Jul - 08 Jul	Lufthansa
01 Jul - 22 Jul	Lufthansa
07 Jul - 08 Jul	SWISS
01 Jul - 07 Jul	Lufthansa
09 Jul - 15 Jul	Lufthansa
16 Jul - 21 Jul	Lufthansa
02 Jul - 07 Jul	KLM
02 Jul - 09 Jul	KLM
29 Jul - 03 Aug	Lufthansa
28 Jul - 03 Aug	Lufthansa
23 Jul - 03 Aug	Lufthansa
31 Jul - 07 Aug	Lufthansa
29 Jul - 02 Aug	KLM
30 Jul - 09 Aug	Lufthansa
31 Jul - 16 Aug	Lufthansa
17 Jul - 09 Aug	Lufthansa
25 Jul - 14 Aug	KLM
24 Jul - 01 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 $351

Return flights