Cheapest return flights from London to Lisbon in August from $137

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

27 Aug - 09 Sep Vueling Airlines
26 Aug - 11 Sep Vueling Airlines
27 Aug - 12 Sep Vueling Airlines
27 Aug - 17 Sep Vueling Airlines
27 Aug - 16 Sep Vueling Airlines
27 Aug - 09 Sep TAP direct
26 Aug - 12 Sep Vueling Airlines
26 Aug - 16 Sep Vueling Airlines
25 Aug - 11 Sep Vueling Airlines
26 Aug - 10 Sep Vueling Airlines
05 Aug - 12 Aug British Airways direct
06 Aug - 12 Aug British Airways direct
16 Aug - 21 Aug British Airways direct
05 Aug - 15 Aug British Airways direct
14 Aug - 21 Aug British Airways direct
11 Aug - 15 Aug British Airways direct
16 Aug - 20 Aug TAP direct
09 Aug - 13 Aug TAP direct
14 Aug - 20 Aug TAP direct
13 Aug - 20 Aug TAP direct

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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