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

Return flights

16 Sep - 26 Sep	Ryanair
02 Sep - 23 Sep	Ryanair
02 Sep - 03 Oct	Ryanair
24 Sep - 30 Sep	Ryanair
25 Sep - 09 Oct	Ryanair
10 Sep - 09 Oct	Ryanair
28 Sep - 04 Oct	Ryanair
29 Sep - 22 Oct	Ryanair
02 Sep - 12 Sep	Ryanair
17 Sep - 03 Oct	Ryanair
03 Sep - 30 Sep	Jet2
14 Sep - 26 Sep	Jet2
08 Sep - 06 Oct	Ryanair
30 Sep - 07 Oct	Ryanair
23 Sep - 07 Oct	Ryanair
23 Sep - 06 Oct	Ryanair
18 Sep - 25 Sep	Ryanair
16 Sep - 25 Sep	Ryanair
03 Sep - 26 Sep	Ryanair
02 Sep - 16 Sep	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 116€

Return flights