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

Return flights

13 Jan - 04 Feb	Delta
31 Jan - 07 Feb	Delta
12 Jan - 24 Jan	Delta
16 Jan - 25 Jan	Delta
15 Jan - 24 Jan	Delta
17 Jan - 24 Jan	Delta
08 Jan - 31 Jan	KLM
03 Jan - 30 Jan	Delta
19 Jan - 22 Jan	Delta
03 Jan - 31 Jan	Delta

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 434€

Return flights