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

Return flights

02 Sep - 09 Sep	Ryanair
04 Sep - 09 Sep	Ryanair
30 Sep - 04 Oct	Wizz Air
18 Sep - 22 Sep	Ryanair
09 Sep - 16 Sep	Ryanair
14 Sep - 23 Sep	Ryanair
04 Sep - 10 Sep	Ryanair
26 Sep - 29 Sep	Ryanair
24 Sep - 01 Oct	Ryanair
15 Sep - 18 Sep	Ryanair
20 Sep - 23 Sep	Ryanair
05 Sep - 07 Sep	Ryanair
29 Sep - 02 Oct	Ryanair
26 Sep - 05 Oct	Ryanair
29 Sep - 04 Oct	Ryanair
19 Sep - 05 Oct	Ryanair
24 Sep - 01 Oct	Lufthansa	direct
19 Sep - 06 Oct	Lufthansa	direct
27 Sep - 04 Oct	Lufthansa	direct
29 Sep - 04 Oct	Lufthansa	direct

Also check the deals for one-way flights from Frankfurt to Krakow 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 Krakow in September from 124€

Return flights