Cheapest return flights from London (LHR) to Porto (OPO), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
26 Sep 29 Sep Vueling Airlines
07 Sep 15 Sep Vueling Airlines
23 Sep 28 Sep Iberia
15 Sep 19 Sep Iberia
15 Sep 28 Sep Iberia
25 Sep 29 Sep Vueling Airlines
23 Sep 26 Sep Iberia
14 Sep 19 Sep Iberia
14 Sep 21 Sep Iberia
26 Sep 01 Oct Iberia
22 Sep 29 Sep Vueling Airlines
30 Sep 07 Oct Vueling Airlines
15 Sep 01 Oct Iberia
26 Sep 03 Oct Iberia
22 Sep 01 Oct Iberia
30 Sep 03 Oct Vueling Airlines
30 Sep 20 Oct Vueling Airlines
29 Sep 15 Oct Vueling Airlines
28 Sep 05 Oct Vueling Airlines
29 Sep 17 Oct Vueling Airlines
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deals for one-way flights from London to Porto in September.

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Updated Jul 16, 2026.

About these fares

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