Cheapest return flights from London to Porto in September from 90€

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

Return flights

28 Sep - 16 Oct Ryanair direct
28 Sep - 14 Oct Ryanair direct
02 Sep - 08 Sep Wizz Air UK
28 Sep - 15 Oct Ryanair direct
27 Sep - 16 Oct Ryanair direct
27 Sep - 14 Oct Ryanair direct
27 Sep - 15 Oct Ryanair direct
30 Sep - 05 Oct Wizz Air UK
15 Sep - 21 Sep Wizz Air UK
23 Sep - 03 Oct easyJet direct
23 Sep - 07 Oct easyJet direct
15 Sep - 16 Sep Wizz Air UK
03 Sep - 08 Sep Wizz Air UK
28 Sep - 08 Oct Ryanair direct
27 Sep - 30 Sep Wizz Air UK
01 Sep - 17 Sep Ryanair direct
01 Sep - 15 Sep Ryanair
01 Sep - 16 Sep Ryanair
26 Sep - 29 Sep Ryanair
22 Sep - 27 Sep Wizz Air UK

Also check the deals for one-way flights from London to Porto 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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