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

Return flights

29 Sep - 02 Oct	LOT	direct
30 Sep - 07 Oct	LOT	direct
29 Sep - 03 Oct	LOT	direct
25 Sep - 28 Sep	LOT	direct
19 Sep - 22 Sep	LOT	direct
26 Sep - 28 Sep	LOT	direct
20 Sep - 24 Sep	LOT	direct
23 Sep - 26 Sep	LOT	direct
27 Sep - 04 Oct	LOT	direct
30 Sep - 04 Oct	LOT	direct
17 Sep - 24 Sep	LOT	direct
19 Sep - 26 Sep	LOT	direct
18 Sep - 21 Sep	LOT	direct
18 Sep - 20 Sep	LOT	direct
19 Sep - 21 Sep	LOT	direct

Also check the deals for one-way flights from Katowice to Warsaw 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 Katowice to Warsaw in September from 63€

Return flights