Cheapest return flights from London to Lisbon in August from $326

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

Return flights

27 Aug - 05 Sep KLM
14 Aug - 05 Sep KLM
20 Aug - 05 Sep KLM
26 Aug - 02 Sep Lufthansa
14 Aug - 18 Aug Lufthansa
21 Aug - 05 Sep KLM
20 Aug - 01 Sep Lufthansa
27 Aug - 12 Sep KLM
06 Aug - 13 Aug Lufthansa
13 Aug - 23 Aug KLM
21 Aug - 28 Aug Lufthansa
23 Aug - 30 Aug KLM
14 Aug - 23 Aug KLM
11 Aug - 24 Aug Lufthansa
24 Aug - 28 Aug SWISS
14 Aug - 16 Aug KLM
06 Aug - 16 Aug KLM
28 Aug - 06 Sep KLM

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

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