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

Return flights

02 Sep - 22 Sep	Spirit Airlines
03 Sep - 17 Sep	Qatar Airways
15 Sep - 29 Sep	Qatar Airways
22 Sep - 22 Oct	Qatar Airways
24 Sep - 07 Oct	Qatar Airways
24 Sep - 06 Oct	Qatar Airways
04 Sep - 15 Sep	Qatar Airways
03 Sep - 15 Sep	Qatar Airways
02 Sep - 16 Sep	Qatar Airways
16 Sep - 29 Sep	Qatar Airways
23 Sep - 26 Oct	Qatar Airways
01 Sep - 21 Sep	Qatar Airways
24 Sep - 25 Oct	Qatar Airways
29 Sep - 29 Oct	Qatar Airways

Also check the deals for one-way flights from Houston 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 Houston to Cairo in September from $741

Return flights