Cheapest return flights from London to Lisbon in September from 210€

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

Return flights

01 Sep - 09 Sep SWISS
30 Sep - 07 Oct SWISS
02 Sep - 09 Sep SWISS
16 Sep - 25 Sep SWISS
15 Sep - 22 Sep SWISS
28 Sep - 01 Oct KLM
23 Sep - 01 Oct KLM
22 Sep - 24 Sep SWISS
22 Sep - 26 Sep SWISS
01 Sep - 13 Sep SWISS
01 Sep - 05 Sep SWISS
13 Sep - 17 Sep SWISS
03 Sep - 07 Sep KLM
25 Sep - 04 Oct KLM

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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