AirHint found the following cheapest return flights from Cairo (CAI) to London (LHR) in September 2025 (see full year).

Return flights

24 Sep - 21 Oct	LOT
23 Sep - 14 Oct	LOT
23 Sep - 07 Oct	LOT
17 Sep - 21 Oct	LOT
19 Sep - 30 Sep	LOT
26 Sep - 08 Oct	LOT
25 Sep - 06 Oct	LOT
23 Sep - 30 Sep	LOT
18 Sep - 23 Sep	LOT
22 Sep - 29 Sep	LOT
30 Sep - 07 Oct	LOT
24 Sep - 01 Oct	LOT
24 Sep - 28 Sep	LOT
25 Sep - 28 Sep	LOT
19 Sep - 22 Sep	LOT
17 Sep - 28 Sep	LOT
25 Sep - 29 Sep	LOT
24 Sep - 25 Sep	LOT
17 Sep - 22 Oct	LOT
30 Sep - 10 Oct	SWISS

Also check the deals for one-way flights from Cairo to London 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 Cairo to London in September from 287€

Return flights