AirHint found the following cheapest return flights from Washington (DCA) to Kabul (KBL) in September 2025 (see full year).

Return flights

24 Sep - 10 Oct	Emirates
20 Sep - 01 Oct	Air Canada
20 Sep - 28 Sep	Air Canada
20 Sep - 27 Sep	Air Canada
20 Sep - 04 Oct	Qatar Airways
13 Sep - 27 Sep	Qatar Airways
20 Sep - 03 Oct	Emirates
19 Sep - 01 Oct	Emirates
16 Sep - 27 Sep	Qatar Airways
16 Sep - 28 Sep	Qatar Airways
19 Sep - 28 Sep	Qatar Airways
24 Sep - 21 Oct	Emirates
11 Sep - 18 Sep	Emirates
17 Sep - 28 Sep	Qatar Airways
13 Sep - 22 Sep	Emirates
13 Sep - 20 Sep	Emirates

Also check the deals for one-way flights from Washington to Kabul 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 Kabul in September from $1602

Return flights