Cheapest one-way flights from Chicago to Warsaw in September from 299€

AirHint found the following cheapest one-way flights from Chicago (MDW) to Warsaw (WAW) in September 2025 (see full year).

One-Way flights

26 Sep Porter Airlines (Canada) Ltd
07 Sep Porter Airlines (Canada) Ltd
11 Sep Virgin Atlantic
05 Sep Porter Airlines (Canada) Ltd
25 Sep Frontier Airlines
14 Sep Porter Airlines (Canada) Ltd
01 Sep Porter Airlines (Canada) Ltd
06 Sep Porter Airlines (Canada) Ltd

Also check the deals for return flights from Chicago to Warsaw 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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