AirHint found the following cheapest return flights from Zurich (ZRH) to Boston (BOS) in August 2026 (see full year).
Return flights
| 10 Aug - 31 Aug | United | ||
| 20 Aug - 23 Aug | United | ||
| 05 Aug - 13 Aug | United | ||
| 20 Aug - 23 Aug | SWISS | direct | |
| 10 Aug - 31 Aug | SWISS | direct | |
| 07 Aug - 16 Aug | Aer Lingus | ||
| 05 Aug - 13 Aug | SWISS | direct |
Also check the deals for one-way flights from Zurich to Boston in August.
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