Swiss offers very cheap flights from Switzerland (Geneve) to Algeria (Algiers) from only 85 EUR round trip!
Spanish national carrier Iberia offers very cheap flights from Germany (Munich) to Algeria (Algiers) for only 106 EUR round trip!
Italian national carrier Alitalia offers cheap flights from UK (London) to Algeria (Algiers) for only 135 GBP / 184 EUR round trip!