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

Return flights

08 Jan - 21 Jan	Scandinavian Airlines
14 Jan - 21 Jan	Scandinavian Airlines
15 Jan - 31 Jan	Scandinavian Airlines
28 Jan - 04 Feb	United
18 Jan - 25 Jan	United
08 Jan - 15 Jan	United
28 Jan - 04 Feb	LOT	direct
15 Jan - 31 Jan	LOT	direct
14 Jan - 21 Jan	LOT	direct
08 Jan - 21 Jan	LOT	direct
08 Jan - 15 Jan	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 336€

Return flights