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

Return flights

14 Sep - 24 Sep	Vueling Airlines
08 Sep - 11 Sep	Vueling Airlines
16 Sep - 18 Sep	Vueling Airlines
22 Sep - 27 Sep	Vueling Airlines
08 Sep - 18 Sep	Vueling Airlines
15 Sep - 18 Sep	Vueling Airlines
07 Sep - 11 Sep	Vueling Airlines
11 Sep - 18 Sep	Vueling Airlines
10 Sep - 11 Sep	Vueling Airlines
16 Sep - 27 Sep	Vueling Airlines

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

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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Cheapest return flights from Algier to Porto in September from 209€

Return flights