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

Return flights

08 Apr - 16 Apr	Finnair
14 Apr - 23 Apr	Air France
19 Apr - 12 May	Air France
01 Apr - 30 Apr	Lufthansa
21 Apr - 30 Apr	United
20 Apr - 30 Apr	Lufthansa
01 Apr - 08 Apr	Lufthansa
28 Apr - 21 May	Air France
28 Apr - 25 May	Air France
27 Apr - 26 May	Air France
28 Apr - 26 May	Air France
04 Apr - 14 Apr	TAP
19 Apr - 09 May	TAP
05 Apr - 18 Apr	Delta
19 Apr - 10 May	Delta
03 Apr - 10 Apr	United
01 Apr - 11 Apr	United
29 Apr - 22 May	Turkish Airlines
19 Apr - 10 May	LOT	direct
19 Apr - 12 May	LOT	direct

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

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 Chicago to Warsaw in April from 411€

Return flights