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

Return flights

02 Sep - 23 Sep	SWISS
09 Sep - 16 Sep	SWISS
09 Sep - 29 Sep	SWISS
08 Sep - 29 Sep	SWISS
08 Sep - 22 Sep	SWISS
09 Sep - 23 Sep	SWISS
05 Sep - 09 Sep	Austrian Airlines
04 Sep - 29 Sep	Austrian Airlines
19 Sep - 30 Sep	Austrian Airlines
08 Sep - 25 Sep	SWISS
10 Sep - 02 Oct	SWISS
03 Sep - 02 Oct	SWISS
02 Sep - 01 Oct	SWISS
09 Sep - 05 Oct	SWISS
27 Sep - 10 Oct	Austrian Airlines
27 Sep - 08 Oct	Austrian Airlines
26 Sep - 11 Oct	Austrian Airlines
15 Sep - 15 Oct	Austrian Airlines
05 Sep - 09 Oct	Austrian Airlines
26 Sep - 02 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 273€

Return flights