Cheapest return flights from London to Lisbon in September from $153

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

24 Sep - 01 Oct TAP direct
22 Sep - 25 Sep TAP direct
18 Sep - 20 Sep TAP direct
08 Sep - 11 Sep TAP direct
04 Sep - 08 Sep TAP direct
04 Sep - 09 Sep TAP direct
24 Sep - 30 Sep TAP direct
11 Sep - 16 Sep TAP direct
01 Sep - 11 Sep Vueling Airlines
02 Sep - 11 Sep Vueling Airlines
30 Sep - 07 Oct TAP direct
25 Sep - 30 Sep TAP direct
29 Sep - 07 Oct Vueling Airlines
24 Sep - 07 Oct Vueling Airlines
30 Sep - 01 Oct Vueling Airlines
30 Sep - 13 Oct Vueling Airlines
20 Sep - 07 Oct Vueling Airlines
29 Sep - 01 Oct Vueling Airlines
29 Sep - 13 Oct Vueling Airlines
24 Sep - 13 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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