Cheapest return flights from Chicago to Warsaw in September from $583

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

Return flights

02 Sep - 16 Sep Delta
07 Sep - 18 Sep Delta
08 Sep - 15 Sep Delta
16 Sep - 03 Oct Delta
13 Sep - 27 Sep Delta
17 Sep - 03 Oct Delta
01 Sep - 08 Sep Delta
05 Sep - 22 Sep Delta
03 Sep - 07 Sep Delta
18 Sep - 04 Oct Delta
18 Sep - 03 Oct Delta

Also check the deals for one-way 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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