AirHint found the following cheapest one-way flights from Chicago (ORD) to Warsaw (WAW) in March 2026 (see full year).
One-Way flights
| 01 Mar | Icelandair | ||
| 09 Mar | Icelandair | ||
| 18 Mar | Air Canada | ||
| 25 Mar | Aer Lingus | ||
| 15 Mar | Lufthansa | ||
| 27 Mar | Frontier Airlines | ||
| 07 Mar | SWISS | ||
| 18 Mar | LOT | direct | |
| 09 Mar | LOT | direct | |
| 25 Mar | LOT | direct |
Also check the deals for return flights from Chicago to Warsaw in March.
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