AirHint found the following cheapest one-way flights from Chicago (ORD) to Zurich (ZRH) in March 2026 (see full year).
One-Way flights
| 14 Mar | Spirit Airlines | ||
| 25 Mar | Frontier Airlines | ||
| 15 Mar | Frontier Airlines | ||
| 20 Mar | Frontier Airlines | ||
| 15 Mar | SWISS | direct | |
| 25 Mar | SWISS | direct | |
| 14 Mar | United | direct | |
| 20 Mar | United | direct |
Also check the deals for return flights from Chicago to Zurich in March.
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