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

Return flights

01 May - 15 May	Finnair
22 May - 30 May	Finnair
12 May - 31 May	Finnair
26 May - 03 Jun	Finnair
01 May - 15 May	LOT	direct
12 May - 31 May	LOT	direct
26 May - 03 Jun	LOT	direct
22 May - 30 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 427€

Return flights