AirHint found the following cheapest return flights from Zurich (ZRH) to Kathmandu (KTM) in September 2026 (see full year).
Return flights
| 04 Sep - 20 Sep | AJet | ||
| 05 Sep - 03 Oct | AJet | ||
| 18 Sep - 25 Sep | Etihad Airways | ||
| 01 Sep - 25 Sep | SWISS | ||
| 14 Sep - 12 Oct | SWISS |
Also check the deals for one-way flights from Zurich to Kathmandu in September.
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