Cheapest return flights from London to Lisbon in August from $202

Best time to book flights for London (LHR) to Lisbon (LIS) flights at AirHint

AirHint found the following cheapest return flights from London (LHR) to Lisbon (LIS) in August 2025 (see full year).

Return flights

31 Aug - 16 Sep Vueling Airlines
31 Aug - 18 Sep Vueling Airlines
31 Aug - 17 Sep Vueling Airlines
27 Aug - 16 Sep Vueling Airlines
27 Aug - 17 Sep Vueling Airlines
31 Aug - 15 Sep Vueling Airlines
27 Aug - 15 Sep Vueling Airlines
30 Aug - 10 Sep KLM
26 Aug - 05 Sep KLM
25 Aug - 12 Sep KLM
18 Aug - 28 Aug KLM
12 Aug - 28 Aug KLM
21 Aug - 28 Aug KLM
14 Aug - 28 Aug KLM
20 Aug - 28 Aug KLM
25 Aug - 28 Aug KLM
17 Aug - 28 Aug KLM
05 Aug - 05 Aug Iberia
19 Aug - 29 Aug KLM
26 Aug - 29 Aug KLM

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

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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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