AirHint found the following cheapest one-way flights from Chicago (ORD) to Warsaw (WAW) in March 2026 (see full year).
One-Way flights
| 25 Mar | Spirit Airlines | ||
| 26 Mar | Frontier Airlines | ||
| 19 Mar | Frontier Airlines | ||
| 25 Mar | LOT | direct | |
| 19 Mar | LOT | direct | |
| 26 Mar | LOT | direct |
Also check the deals for return flights from Chicago to Warsaw in March.
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