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

Return flights

26 Sep - 29 Sep	Pegasus Airlines
25 Sep - 03 Oct	Wizz Air Malta
26 Sep - 05 Oct	Pegasus Airlines
26 Sep - 30 Sep	Pegasus Airlines
26 Sep - 11 Oct	Pegasus Airlines
19 Sep - 05 Oct	AJet
20 Sep - 10 Oct	AJet
27 Sep - 19 Oct	AJet
21 Sep - 12 Oct	Pegasus Airlines
26 Sep - 19 Oct	AJet
20 Sep - 27 Sep	AJet
27 Sep - 25 Oct	Pegasus Airlines
25 Sep - 25 Oct	Etihad Airways

Also check the deals for one-way flights from Frankfurt to Karachi 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 Karachi in September from $459

Return flights