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

Return flights

04 Sep - 11 Sep	Nouvelair	direct
08 Sep - 15 Sep	Nouvelair	direct
15 Sep - 22 Sep	Nouvelair	direct
04 Sep - 08 Sep	Nouvelair	direct
15 Sep - 20 Sep	Nouvelair	direct
10 Sep - 12 Sep	Nouvelair	direct
11 Sep - 14 Sep	Nouvelair	direct
10 Sep - 14 Sep	Nouvelair	direct
04 Sep - 07 Sep	Nouvelair	direct
20 Sep - 27 Sep	Nouvelair	direct
30 Sep - 07 Oct	Nouvelair	direct

Also check the deals for one-way flights from Tunis 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 Tunis to Algier in September from 148€

Return flights