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

Return flights

16 Sep - 23 Sep	Ryanair
01 Sep - 19 Sep	Ryanair
08 Sep - 21 Oct	Ryanair
29 Sep - 03 Oct	Ryanair
22 Sep - 26 Sep	Ryanair
01 Sep - 22 Sep	Ryanair
23 Sep - 07 Oct	Ryanair
15 Sep - 22 Sep	Ryanair
08 Sep - 19 Sep	Ryanair
25 Sep - 02 Oct	Ryanair
11 Sep - 09 Oct	Ryanair
15 Sep - 25 Sep	Ryanair
19 Sep - 23 Sep	Ryanair
23 Sep - 30 Sep	Ryanair
15 Sep - 09 Oct	Ryanair
30 Sep - 06 Oct	Ryanair
17 Sep - 25 Sep	Ryanair
06 Sep - 18 Oct	Jet2
14 Sep - 20 Oct	Ryanair
11 Sep - 23 Oct	Ryanair

Also check the deals for one-way flights from London 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 London to Algier in September from 127€

Return flights