Cheapest return flights from London to Lisbon in September from $191

AirHint found the following cheapest return flights from London (LHR) to Lisbon (LIS) in September 2026 (see full year).

Return flights

01 Sep - 16 Sep TAP direct
01 Sep - 10 Sep TAP
15 Sep - 16 Sep Vueling Airlines
10 Sep - 15 Sep TAP direct
07 Sep - 10 Sep TAP
01 Sep - 17 Sep TAP direct
16 Sep - 22 Sep TAP direct
16 Sep - 23 Sep TAP direct
14 Sep - 16 Sep Vueling Airlines
28 Sep - 10 Oct Vueling Airlines
28 Sep - 06 Oct Vueling Airlines
28 Sep - 07 Oct Vueling Airlines
28 Sep - 14 Oct Vueling Airlines
28 Sep - 13 Oct Vueling Airlines
22 Sep - 10 Oct Vueling Airlines
22 Sep - 06 Oct Vueling Airlines
22 Sep - 07 Oct Vueling Airlines
22 Sep - 13 Oct Vueling Airlines
27 Sep - 29 Sep TAP direct
27 Sep - 01 Oct TAP direct

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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