Cheapest return flights from London to Lisbon in September from $85

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

Return flights

23 Sep - 14 Oct Ryanair direct
28 Sep - 14 Oct Ryanair direct
23 Sep - 24 Sep Ryanair direct
29 Sep - 20 Oct easyJet direct
28 Sep - 15 Oct Ryanair direct
23 Sep - 09 Oct Ryanair direct
28 Sep - 09 Oct Ryanair direct
29 Sep - 21 Oct easyJet direct
22 Sep - 17 Oct easyJet direct
22 Sep - 20 Oct easyJet direct
30 Sep - 20 Oct easyJet direct
22 Sep - 24 Sep Ryanair direct
09 Sep - 24 Sep Ryanair direct
06 Sep - 24 Sep Ryanair direct
21 Sep - 24 Sep Ryanair direct
23 Sep - 30 Sep Ryanair
02 Sep - 16 Sep Ryanair
05 Sep - 24 Sep Ryanair direct
23 Sep - 30 Sep Ryanair direct
15 Sep - 24 Sep Ryanair direct

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

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