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

Return flights

15 Sep - 30 Sep	easyJet
28 Sep - 02 Oct	Lufthansa
29 Sep - 03 Oct	Lufthansa
18 Sep - 25 Sep	Vueling Airlines
16 Sep - 22 Sep	easyJet
28 Sep - 17 Oct	Lufthansa
15 Sep - 08 Oct	easyJet
30 Sep - 09 Oct	Lufthansa
15 Sep - 22 Sep	easyJet
28 Sep - 01 Oct	Lufthansa
25 Sep - 09 Oct	Lufthansa
18 Sep - 08 Oct	Vueling Airlines
28 Sep - 03 Oct	Air France
29 Sep - 04 Oct	easyJet
15 Sep - 25 Sep	Vueling Airlines
21 Sep - 28 Sep	Air France
14 Sep - 25 Sep	Vueling Airlines
17 Sep - 28 Sep	Air France
17 Sep - 24 Sep	Air France
17 Sep - 20 Sep	Air France

Also check the deals for one-way flights from Basel 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 Basel to Algier in September from $245

Return flights