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

Return flights

12 Sep - 06 Oct	Iberia
12 Sep - 03 Oct	Iberia
30 Sep - 10 Oct	TAP
12 Sep - 18 Sep	Iberia
11 Sep - 18 Sep	Iberia
25 Sep - 14 Oct	Vueling Airlines
25 Sep - 25 Oct	Ryanair
18 Sep - 23 Sep	Air Europa
18 Sep - 09 Oct	Ryanair
23 Sep - 13 Oct	Vueling Airlines
25 Sep - 13 Oct	Vueling Airlines
30 Sep - 14 Oct	Vueling Airlines
11 Sep - 19 Sep	Iberia
30 Sep - 13 Oct	Vueling Airlines
18 Sep - 25 Sep	Ryanair
22 Sep - 26 Sep	Ryanair
08 Sep - 25 Sep	Vueling Airlines
08 Sep - 18 Sep	Vueling Airlines
19 Sep - 24 Sep	Ryanair
09 Sep - 25 Sep	Vueling Airlines

Also check the deals for one-way flights from Lisbon to Algier 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 Lisbon to Algier in September from $146

Return flights