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

Return flights

18 Sep - 22 Sep	Ryanair
18 Sep - 23 Sep	Ryanair
17 Sep - 23 Sep	Ryanair
25 Sep - 30 Sep	Ryanair
11 Sep - 18 Sep	Ryanair
29 Sep - 09 Oct	Ryanair
19 Sep - 23 Sep	Ryanair
27 Sep - 01 Oct	Ryanair
18 Sep - 04 Oct	Ryanair
27 Sep - 04 Oct	Ryanair
26 Sep - 30 Sep	LOT
19 Sep - 26 Sep	LOT
18 Sep - 21 Sep	Ryanair
19 Sep - 22 Sep	LOT
26 Sep - 03 Oct	LOT
26 Sep - 03 Oct	Lufthansa	direct
27 Sep - 01 Oct	Air Dolomiti	direct
27 Sep - 04 Oct	Lufthansa	direct
29 Sep - 09 Oct	Lufthansa	direct
18 Sep - 04 Oct	Lufthansa	direct

Also check the deals for one-way flights from Frankfurt to Katowice 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 Katowice in September from 105€

Return flights