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

Return flights

27 Sep - 08 Oct	Ryanair
15 Sep - 21 Sep	Wizz Air
18 Sep - 29 Sep	AJet
15 Sep - 25 Sep	Wizz Air
15 Sep - 05 Oct	Wizz Air
20 Sep - 28 Sep	AJet
17 Sep - 21 Sep	Wizz Air
08 Sep - 29 Sep	AJet
29 Sep - 21 Oct	AJet
11 Sep - 18 Sep	Pegasus Airlines
20 Sep - 27 Sep	AJet
16 Sep - 15 Oct	Wizz Air
14 Sep - 22 Sep	Ryanair
22 Sep - 12 Oct	AJet
16 Sep - 14 Oct	AJet
15 Sep - 13 Oct	AJet
23 Sep - 07 Oct	AJet
29 Sep - 20 Oct	AJet
22 Sep - 07 Oct	Wizz Air
13 Sep - 20 Sep	AJet

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 398€

Return flights