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

Return flights

24 Sep - 09 Oct	Ryanair
30 Sep - 10 Oct	Ryanair
30 Sep - 07 Oct	Ryanair
30 Sep - 06 Oct	Ryanair
25 Sep - 23 Oct	Jet2
29 Sep - 06 Oct	Ryanair
25 Sep - 10 Oct	Jet2
29 Sep - 14 Oct	Ryanair
29 Sep - 21 Oct	Ryanair
29 Sep - 10 Oct	Ryanair
24 Sep - 29 Sep	Ryanair
25 Sep - 30 Sep	Jet2
25 Sep - 29 Sep	Ryanair
24 Sep - 25 Sep	Air Algerie	direct
26 Sep - 29 Sep	Jet2
28 Sep - 30 Sep	Ryanair
27 Sep - 29 Sep	Ryanair
27 Sep - 30 Sep	Jet2
24 Sep - 27 Sep	Vueling Airlines
23 Sep - 30 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 115€

Return flights