Cheapest return flights from London to Lisbon in September from $174

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

Return flights

29 Sep - 06 Oct Vueling Airlines
16 Sep - 01 Oct Vueling Airlines
16 Sep - 06 Oct Vueling Airlines
17 Sep - 01 Oct Vueling Airlines
17 Sep - 07 Oct Vueling Airlines
17 Sep - 06 Oct Vueling Airlines
16 Sep - 22 Sep Vueling Airlines
16 Sep - 25 Sep Vueling Airlines
16 Sep - 24 Sep Vueling Airlines
16 Sep - 17 Sep Vueling Airlines
16 Sep - 30 Sep Vueling Airlines
16 Sep - 19 Sep Vueling Airlines
17 Sep - 22 Sep Vueling Airlines
17 Sep - 25 Sep Vueling Airlines
17 Sep - 24 Sep Vueling Airlines
17 Sep - 30 Sep Vueling Airlines
27 Sep - 01 Oct TAP direct
30 Sep - 09 Oct TAP direct
29 Sep - 15 Oct Vueling Airlines
29 Sep - 01 Oct Vueling Airlines

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

Skyscanner

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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