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

Return flights

22 Sep - 26 Sep	SWISS
18 Sep - 26 Sep	SWISS
23 Sep - 26 Sep	SWISS
19 Sep - 26 Sep	SWISS
18 Sep - 23 Sep	SWISS
18 Sep - 25 Sep	SWISS
30 Sep - 07 Oct	LOT
17 Sep - 24 Sep	LOT
24 Sep - 07 Oct	LOT
20 Sep - 24 Sep	Lufthansa
21 Sep - 26 Sep	Lufthansa
16 Sep - 01 Oct	LOT
28 Sep - 07 Oct	Air France
22 Sep - 25 Sep	Lufthansa
22 Sep - 10 Oct	SWISS
27 Sep - 02 Oct	Lufthansa
28 Sep - 21 Oct	Lufthansa
30 Sep - 06 Oct	LOT
30 Sep - 08 Oct	LOT
29 Sep - 03 Oct	SWISS

Also check the deals for one-way flights from Cairo to Lisbon 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 Lisbon in September from $268

Return flights