Cheapest return flights from London to Lisbon in September from 73€

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

Return flights

23 Sep - 14 Oct Ryanair direct
23 Sep - 09 Oct Ryanair direct
27 Sep - 15 Oct Ryanair direct
27 Sep - 14 Oct Ryanair direct
27 Sep - 09 Oct Ryanair direct
28 Sep - 15 Oct Ryanair direct
28 Sep - 14 Oct Ryanair direct
23 Sep - 08 Oct Ryanair direct
27 Sep - 17 Oct Ryanair direct
28 Sep - 17 Oct Ryanair direct
09 Sep - 24 Sep Ryanair direct
01 Sep - 24 Sep Ryanair direct
16 Sep - 24 Sep Ryanair direct
23 Sep - 30 Sep Ryanair direct
06 Sep - 24 Sep Ryanair direct
15 Sep - 24 Sep Ryanair direct
05 Sep - 24 Sep Ryanair direct
02 Sep - 17 Sep Ryanair direct
02 Sep - 18 Sep Ryanair direct
07 Sep - 24 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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