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

Return flights

12 Aug - 02 Sep	Delta
17 Aug - 25 Aug	Delta
18 Aug - 01 Sep	Delta
10 Aug - 26 Aug	Delta
14 Aug - 25 Aug	Delta
03 Aug - 27 Aug	Delta
08 Aug - 24 Aug	Delta
07 Aug - 14 Aug	Frontier Airlines
25 Aug - 08 Sep	Delta
22 Aug - 15 Sep	Delta
27 Aug - 18 Sep	Delta
07 Aug - 10 Aug	Delta
21 Aug - 24 Aug	Delta
29 Aug - 13 Sep	Delta
18 Aug - 05 Sep	Delta
28 Aug - 13 Sep	Delta
29 Aug - 14 Sep	Delta
10 Aug - 13 Aug	Delta
27 Aug - 17 Sep	Delta
21 Aug - 28 Aug	Delta

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

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.

Book a cheap hotel in Warsaw

Cheap car rent in Warsaw

Cheapest return flights from Chicago to Warsaw in August from $564

Return flights