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

Return flights

24 Sep - 01 Oct	Pegasus Airlines
30 Sep - 18 Oct	Kam Air	direct
26 Sep - 18 Oct	Kam Air	direct
23 Sep - 01 Oct	Pegasus Airlines
21 Sep - 24 Sep	Air Arabia
29 Sep - 10 Oct	Pegasus Airlines
25 Sep - 01 Oct	flyadeal
21 Sep - 30 Oct	Kam Air	direct
28 Sep - 05 Oct	Kam Air
25 Sep - 03 Oct	flyadeal
25 Sep - 06 Oct	flyadeal
21 Sep - 28 Sep	Kam Air
23 Sep - 30 Sep	Kam Air
22 Sep - 29 Sep	flyadeal
20 Sep - 27 Sep	flyadeal
19 Sep - 26 Sep	Kam Air
19 Sep - 26 Sep	Kam Air	direct
20 Sep - 27 Sep	Turkish Airlines	direct
22 Sep - 29 Sep	Turkish Airlines	direct
21 Sep - 28 Sep	Turkish Airlines	direct

Also check the deals for one-way flights from Istanbul 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 Istanbul to Kabul in September from 456€

Return flights