Cheapest return flights from London to Porto in September from 153€

AirHint found the following cheapest return flights from London (LHR) to Porto (OPO) in September 2025 (see full year).

Return flights

30 Sep - 15 Oct Vueling Airlines
23 Sep - 30 Sep Vueling Airlines
27 Sep - 30 Sep Vueling Airlines
22 Sep - 30 Sep Vueling Airlines
30 Sep - 07 Oct Vueling Airlines
30 Sep - 14 Oct Vueling Airlines
16 Sep - 30 Sep Vueling Airlines
17 Sep - 24 Sep Vueling Airlines
17 Sep - 25 Sep Vueling Airlines
24 Sep - 30 Sep Vueling Airlines
25 Sep - 30 Sep Vueling Airlines
23 Sep - 24 Sep Vueling Airlines
16 Sep - 25 Sep Vueling Airlines
24 Sep - 07 Oct Vueling Airlines
24 Sep - 14 Oct Vueling Airlines
30 Sep - 13 Oct Vueling Airlines
25 Sep - 02 Oct Vueling Airlines
22 Sep - 01 Oct Vueling Airlines
30 Sep - 21 Oct Vueling Airlines
30 Sep - 20 Oct Vueling Airlines

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

Skyscanner

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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