Cheapest return flights from Warsaw to Chicago in September from $509

Best time to book flights for Warsaw (WAW) to Chicago (ORD) flights at AirHint

AirHint found the following cheapest return flights from Warsaw (WAW) to Chicago (ORD) in September 2025 (see full year).

Return flights

10 Sep - 22 Sep United
01 Sep - 13 Sep British Airways
01 Sep - 01 Oct British Airways
13 Sep - 04 Oct British Airways
19 Sep - 28 Sep Lufthansa
04 Sep - 10 Sep British Airways
28 Sep - 04 Oct British Airways
25 Sep - 01 Oct British Airways
22 Sep - 30 Sep Lufthansa
19 Sep - 27 Sep British Airways
14 Sep - 27 Sep British Airways
08 Sep - 16 Sep British Airways
16 Sep - 30 Sep British Airways
15 Sep - 30 Sep British Airways
22 Sep - 12 Oct British Airways
30 Sep - 09 Oct British Airways
28 Sep - 04 Oct LOT direct
25 Sep - 01 Oct LOT direct
22 Sep - 12 Oct LOT direct
30 Sep - 09 Oct LOT direct

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

Skyscanner

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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