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

Return flights

12 Aug - 20 Aug	Finnair
25 Aug - 11 Sep	Finnair
26 Aug - 11 Sep	Finnair
30 Aug - 11 Sep	British Airways
31 Aug - 11 Sep	British Airways
31 Aug - 16 Sep	British Airways
30 Aug - 16 Sep	British Airways
30 Aug - 17 Sep	British Airways
31 Aug - 17 Sep	British Airways
05 Aug - 21 Aug	Finnair
24 Aug - 11 Sep	LOT	direct
25 Aug - 11 Sep	LOT	direct
05 Aug - 21 Aug	LOT	direct
12 Aug - 20 Aug	LOT	direct
09 Aug - 28 Aug	KLM
10 Aug - 28 Aug	KLM
10 Aug - 29 Aug	Air France
08 Aug - 28 Aug	Air France
04 Aug - 11 Aug	LOT	direct

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

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 August from 390€

Return flights