AirHint found the following cheapest one-way flights from Boston (BOS) to Zurich (ZRH) in May 2026 (see full year).
One-Way flights
| 06 May | LEVEL | ||
| 18 May | LEVEL | ||
| 09 May | Aer Lingus | ||
| 14 May | TAP | ||
| 25 May | Aer Lingus | ||
| 22 May | Lufthansa | ||
| 06 May | SWISS | direct | |
| 09 May | SWISS | direct | |
| 18 May | SWISS | direct | |
| 14 May | United | direct |
Also check the deals for return flights from Boston to Zurich in May.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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