AirHint found the following cheapest return flights from Boston (BOS) to Zurich (ZRH) in April 2026 (see full year).
Return flights
| 26 Apr - 12 May | Condor | ||
| 30 Apr - 05 May | Icelandair | ||
| 26 Apr - 02 May | KLM | ||
| 26 Apr - 12 May | United | direct | |
| 23 Apr - 27 Apr | SWISS | direct | |
| 26 Apr - 02 May | SWISS | direct |
Also check the deals for one-way flights from Boston to Zurich in April.
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