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

Return flights

08 Sep - 21 Sep	ITA Airways
11 Sep - 25 Sep	ITA Airways
12 Sep - 21 Sep	ITA Airways
06 Sep - 14 Sep	ITA Airways
16 Sep - 03 Oct	Turkish Airlines
26 Sep - 10 Oct	ITA Airways
22 Sep - 06 Oct	ITA Airways
13 Sep - 30 Sep	ITA Airways
11 Sep - 20 Sep	ITA Airways
09 Sep - 15 Sep	ITA Airways
09 Sep - 19 Sep	Turkish Airlines
15 Sep - 02 Oct	Turkish Airlines
02 Sep - 11 Sep	ITA Airways
04 Sep - 13 Sep	ITA Airways
27 Sep - 11 Oct	ITA Airways
25 Sep - 11 Oct	ITA Airways
04 Sep - 10 Oct	Turkish Airlines
23 Sep - 07 Oct	Royal Jordanian
17 Sep - 01 Oct	Turkish Airlines
17 Sep - 05 Oct	Royal Air Maroc

Also check the deals for one-way flights from Washington 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 Washington to Cairo in September from $615

Return flights