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

Return flights

04 Mar - 11 Mar	Scandinavian Airlines
31 Mar - 07 Apr	Scandinavian Airlines
25 Mar - 01 Apr	Air Canada
06 Mar - 14 Mar	Scandinavian Airlines
24 Mar - 18 Apr	Air Canada
25 Mar - 04 Apr	Finnair
05 Mar - 12 Mar	LOT	direct
21 Mar - 06 Apr	Scandinavian Airlines
18 Mar - 28 Mar	Air Canada
25 Mar - 01 Apr	LOT	direct
15 Mar - 22 Mar	LOT
31 Mar - 07 Apr	LOT	direct
18 Mar - 28 Mar	LOT	direct
25 Mar - 04 Apr	LOT	direct
24 Mar - 18 Apr	LOT	direct

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

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 March from $426

Return flights