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

Return flights

18 Sep - 23 Sep	Vueling Airlines
17 Sep - 21 Sep	Vueling Airlines
29 Sep - 09 Oct	Vueling Airlines
02 Sep - 16 Sep	Vueling Airlines
16 Sep - 30 Sep	Vueling Airlines
16 Sep - 25 Sep	Vueling Airlines
16 Sep - 18 Sep	Vueling Airlines
18 Sep - 22 Sep	SWISS
02 Sep - 17 Sep	SWISS
15 Sep - 29 Sep	SWISS
09 Sep - 30 Sep	SWISS
18 Sep - 04 Oct	SWISS
20 Sep - 01 Oct	Austrian Airlines
30 Sep - 14 Oct	SWISS
25 Sep - 03 Oct	SWISS
30 Sep - 07 Oct	SWISS
23 Sep - 11 Oct	SWISS
27 Sep - 03 Oct	Austrian Airlines
05 Sep - 13 Oct	Austrian Airlines
22 Sep - 01 Oct	Austrian Airlines

Also check the deals for one-way flights from London to Cairo 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 Cairo in September from $329

Return flights