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

Return flights

03 Sep - 24 Sep	AJet
03 Sep - 25 Sep	AJet
12 Sep - 17 Sep	AJet
24 Sep - 29 Sep	AJet
10 Sep - 17 Sep	AJet
17 Sep - 30 Sep	AJet
03 Sep - 05 Oct	AJet
02 Sep - 24 Sep	Pegasus Airlines
10 Sep - 15 Sep	AJet
02 Sep - 02 Oct	Pegasus Airlines
24 Sep - 27 Sep	Pegasus Airlines
03 Sep - 27 Sep	AJet
07 Sep - 03 Oct	AJet
04 Sep - 05 Oct	AJet
28 Sep - 01 Oct	Pegasus Airlines
04 Sep - 07 Oct	Pegasus Airlines
07 Sep - 04 Oct	AJet
09 Sep - 12 Oct	Pegasus Airlines
28 Sep - 03 Oct	Pegasus Airlines
12 Sep - 01 Oct	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 $705

Return flights