AirHint found the following cheapest return flights from Chicago (ORD) to Warsaw (WAW) in January 2026 (see full year).

Return flights

10 Jan - 24 Jan	Scandinavian Airlines
11 Jan - 21 Jan	British Airways
12 Jan - 20 Jan	British Airways
05 Jan - 12 Jan	British Airways
25 Jan - 14 Feb	TAP
06 Jan - 13 Jan	SWISS
11 Jan - 24 Jan	Scandinavian Airlines
12 Jan - 25 Jan	Scandinavian Airlines
12 Jan - 07 Feb	Scandinavian Airlines
01 Jan - 09 Jan	SWISS
12 Jan - 25 Jan	LOT	direct
14 Jan - 21 Jan	LOT	direct
22 Jan - 18 Feb	LOT	direct
29 Jan - 05 Feb	LOT	direct
12 Jan - 07 Feb	LOT	direct

Also check the deals for one-way flights from Chicago to Warsaw in January.

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 Warsaw in January from 379€

Return flights