Cheapest return flights from London to Lisbon in September from $178

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

Return flights

21 Sep - 05 Oct Vueling Airlines
19 Sep - 05 Oct Vueling Airlines
22 Sep - 05 Oct Vueling Airlines
28 Sep - 16 Oct Vueling Airlines
28 Sep - 15 Oct Vueling Airlines
19 Sep - 25 Sep Vueling Airlines
19 Sep - 21 Sep Vueling Airlines
22 Sep - 25 Sep Vueling Airlines
16 Sep - 05 Oct Vueling Airlines
05 Sep - 12 Sep Iberia
19 Sep - 26 Sep Iberia
02 Sep - 09 Sep Iberia
21 Sep - 24 Sep Vueling Airlines
19 Sep - 22 Sep Vueling Airlines
19 Sep - 24 Sep Vueling Airlines
19 Sep - 28 Sep Vueling Airlines
21 Sep - 01 Oct Vueling Airlines
19 Sep - 01 Oct Vueling Airlines
22 Sep - 13 Oct Vueling Airlines
22 Sep - 01 Oct Vueling Airlines

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

Powered by

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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

Feel free to contact us with any feedback or request another flight research.