AirHint found the following cheapest one-way flights from Lisbon (LIS) to Kathmandu (KTM) in September 2026 (see full year).
One-Way flights
| 09 Sep | TAP | ||
| 22 Sep | Air Europa | ||
| 30 Sep | Wizz Air Malta | ||
| 16 Sep | Iberia | ||
| 12 Sep | TAP | ||
| 11 Sep | Ryanair | ||
| 07 Sep | SWISS | ||
| 10 Sep | Etihad Airways |
Also check the deals for return flights from Lisbon to Kathmandu in September.
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