AirHint found the following cheapest one-way flights from Washington (IAD) to Zurich (ZRH) in March 2026 (see full year).
One-Way flights
| 10 Mar | TAP | ||
| 22 Mar | TAP | ||
| 09 Mar | Frontier Airlines | ||
| 11 Mar | Aer Lingus | ||
| 30 Mar | Aer Lingus | ||
| 29 Mar | Lufthansa | ||
| 31 Mar | Lufthansa | ||
| 20 Mar | TAP | ||
| 12 Mar | TAP | ||
| 13 Mar | TAP |
Also check the deals for return flights from Washington to Zurich in March.
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