AirHint found the following cheapest one-way flights from Washington (IAD) to Zurich (ZRH) in April 2026 (see full year).
One-Way flights
| 28 Apr | Icelandair | ||
| 22 Apr | Icelandair | ||
| 23 Apr | Frontier Airlines | ||
| 03 Apr | Icelandair | ||
| 06 Apr | TAP | ||
| 28 Apr | United | direct | |
| 22 Apr | United | direct | |
| 23 Apr | United | direct | |
| 06 Apr | United | direct | |
| 03 Apr | SWISS | direct |
Also check the deals for return flights from Washington to Zurich in April.
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