Cheapest return flights from London to Lisbon in September from $169

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 September 2025 (see full year).

Return flights

15 Sep - 30 Sep Vueling Airlines
16 Sep - 30 Sep Vueling Airlines
21 Sep - 30 Sep Vueling Airlines
15 Sep - 29 Sep Vueling Airlines
15 Sep - 16 Sep Vueling Airlines
15 Sep - 23 Sep Vueling Airlines
15 Sep - 24 Sep Vueling Airlines
15 Sep - 18 Sep Vueling Airlines
15 Sep - 17 Sep Vueling Airlines
16 Sep - 29 Sep Vueling Airlines
21 Sep - 07 Oct Vueling Airlines
30 Sep - 21 Oct Vueling Airlines
30 Sep - 14 Oct Vueling Airlines
30 Sep - 07 Oct Vueling Airlines
27 Sep - 14 Oct Vueling Airlines
27 Sep - 07 Oct Vueling Airlines
20 Sep - 07 Oct Vueling Airlines
30 Sep - 20 Oct Vueling Airlines
15 Sep - 01 Oct Vueling Airlines
17 Sep - 07 Oct Vueling Airlines

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

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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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