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

Return flights

14 Sep - 23 Sep	Lufthansa
09 Sep - 16 Sep	Air Canada
01 Sep - 16 Sep	Lufthansa
01 Sep - 11 Sep	Lufthansa
01 Sep - 30 Sep	Lufthansa
05 Sep - 20 Sep	Scandinavian Airlines
08 Sep - 28 Sep	Scandinavian Airlines
18 Sep - 25 Sep	Scandinavian Airlines
14 Sep - 28 Sep	Scandinavian Airlines
03 Sep - 17 Sep	Lufthansa
09 Sep - 06 Oct	Air Canada
23 Sep - 02 Oct	Turkish Airlines
24 Sep - 06 Oct	Air Canada
16 Sep - 22 Oct	LOT
26 Sep - 10 Oct	Turkish Airlines
12 Sep - 01 Oct	Austrian Airlines
26 Sep - 10 Oct	jetBlue	direct
12 Sep - 01 Oct	jetBlue	direct
09 Sep - 06 Oct	jetBlue	direct

Also check the deals for one-way flights from Chicago 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 Chicago to Krakow in September from $490

Return flights