AirHint found the following cheapest return flights from London (STN) to Algier (ALG) in September 2026 (see full year).

Return flights

16 Sep - 30 Sep	Ryanair
16 Sep - 30 Sep	Air Algerie	direct
01 Sep - 03 Oct	Ryanair
01 Sep - 04 Oct	Ryanair
02 Sep - 04 Oct	Air Algerie	direct
01 Sep - 04 Oct	Air Algerie	direct
01 Sep - 03 Oct	Air Algerie	direct
01 Sep - 17 Oct	Air Algerie	direct
11 Sep - 07 Oct	Air Algerie	direct
17 Sep - 21 Sep	Ryanair
03 Sep - 07 Sep	Ryanair
01 Sep - 17 Sep	Air Algerie	direct
15 Sep - 31 Oct	Ryanair
02 Sep - 07 Sep	Air Algerie	direct
01 Sep - 01 Sep	Pegasus Airlines
05 Sep - 19 Sep	AJet

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 183€

Return flights