Cheapest return flights from London to Lisbon in September from 77€

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

Return flights

02 Sep - 18 Sep Ryanair direct
08 Sep - 18 Sep Ryanair direct
07 Sep - 18 Sep Ryanair direct
30 Sep - 21 Oct Ryanair direct
30 Sep - 01 Oct Ryanair direct
30 Sep - 09 Oct Ryanair direct
30 Sep - 10 Oct Ryanair direct
30 Sep - 19 Oct Ryanair direct
30 Sep - 08 Oct Ryanair direct
30 Sep - 13 Oct Ryanair direct
30 Sep - 06 Oct Ryanair direct
30 Sep - 14 Oct Ryanair direct
08 Sep - 23 Sep Ryanair direct
07 Sep - 23 Sep Ryanair direct
30 Sep - 11 Oct Ryanair direct
23 Sep - 30 Sep Ryanair direct
16 Sep - 18 Sep Ryanair direct
16 Sep - 30 Sep Ryanair direct
29 Sep - 30 Sep Ryanair direct
16 Sep - 23 Sep Ryanair 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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