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

Return flights

02 Dec - 16 Dec	SWISS
30 Dec - 06 Jan	SWISS
05 Dec - 19 Dec	SWISS
26 Dec - 09 Jan	United
23 Dec - 06 Jan	SWISS
24 Dec - 31 Dec	Lufthansa
13 Dec - 29 Dec	SWISS
14 Dec - 28 Dec	KLM
22 Dec - 07 Jan	Lufthansa
21 Dec - 29 Dec	Lufthansa
13 Dec - 02 Jan	SWISS
19 Dec - 28 Dec	Austrian Airlines

Also check the deals for one-way flights from Chicago to Krakow in December.

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 December from 421€

Return flights