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

Return flights

24 Sep - 01 Oct	AJet
24 Sep - 08 Oct	AJet
25 Sep - 15 Oct	AJet
23 Sep - 17 Oct	Pegasus Airlines
22 Sep - 06 Oct	Wizz Air
22 Sep - 09 Oct	AJet
22 Sep - 17 Oct	Wizz Air
27 Sep - 17 Oct	AJet
28 Sep - 17 Oct	AJet
22 Sep - 22 Oct	AJet
23 Sep - 30 Sep	Pegasus Airlines
22 Sep - 29 Sep	Ryanair
22 Sep - 30 Sep	Pegasus Airlines
25 Sep - 28 Sep	AJet
19 Sep - 23 Sep	AJet
19 Sep - 30 Sep	AJet
19 Sep - 26 Sep	AJet

Also check the deals for one-way flights from Frankfurt 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 Frankfurt to Kabul in September from $713

Return flights