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

Return flights

17 Apr - 25 Apr	TAP
21 Apr - 26 Apr	Lufthansa
18 Apr - 26 Apr	Lufthansa
16 Apr - 26 Apr	Lufthansa
01 Apr - 19 Apr	Lufthansa
14 Apr - 19 Apr	Lufthansa
27 Apr - 18 May	Lufthansa
18 Apr - 10 May	Lufthansa
18 Apr - 09 May	Lufthansa
23 Apr - 30 Apr	Lufthansa
19 Apr - 30 Apr	Lufthansa
11 Apr - 18 Apr	Lufthansa
25 Apr - 02 May	Lufthansa
25 Apr - 06 May	United
20 Apr - 01 May	Lufthansa
18 Apr - 26 Apr	LOT	direct
20 Apr - 01 May	LOT	direct
18 Apr - 09 May	LOT	direct
25 Apr - 02 May	LOT	direct
25 Apr - 06 May	LOT	direct

Also check the deals for one-way flights from Warsaw to Chicago 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 Warsaw to Chicago in April from 442€

Return flights