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

Return flights

01 May - 08 May	Lufthansa
02 May - 09 May	Lufthansa
02 May - 18 May	Lufthansa
04 May - 17 May	Lufthansa
08 May - 18 May	Lufthansa
05 May - 18 May	Lufthansa
27 May - 07 Jun	Lufthansa
23 May - 28 Jun	Finnair
24 May - 28 Jun	Finnair
23 May - 26 Jun	Finnair
01 May - 31 May	British Airways
23 May - 28 Jun	LOT	direct
02 May - 09 May	LOT	direct
24 May - 28 Jun	LOT	direct
05 May - 18 May	LOT	direct
08 May - 18 May	LOT	direct

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

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 Warsaw to Chicago in May from $531

Return flights