AirHint found the following cheapest return flights from Zurich (ZRH) to San Jose (SJO) in September 2026 (see full year).
Return flights
| 25 Sep - 09 Oct | Iberia | ||
| 26 Sep - 09 Oct | Iberia | ||
| 03 Sep - 27 Sep | United | ||
| 26 Sep - 10 Oct | United | ||
| 25 Sep - 09 Oct | SWISS | direct |
Also check the deals for one-way flights from Zurich to San Jose in September.
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