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

Return flights

01 Sep - 16 Sep	Icelandair
02 Sep - 23 Sep	Vueling Airlines
10 Sep - 24 Sep	Vueling Airlines
02 Sep - 16 Sep	Vueling Airlines
27 Sep - 26 Oct	British Airways
13 Sep - 20 Sep	Vueling Airlines
11 Sep - 18 Sep	Turkish Airlines
12 Sep - 21 Sep	Icelandair
10 Sep - 21 Sep	Turkish Airlines

Also check the deals for one-way flights from Boston 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 Boston to Cairo in September from 566€

Return flights