AirHint found the following cheapest return flights from Barcelona (BCN) to Kathmandu (KTM) in September 2026 (see full year).
Return flights
| 28 Sep - 18 Oct | Pegasus Airlines | ||
| 26 Sep - 18 Oct | Pegasus Airlines | ||
| 10 Sep - 26 Sep | Pegasus Airlines | ||
| 13 Sep - 25 Sep | Ryanair | ||
| 01 Sep - 30 Sep | Pegasus Airlines |
Also check the deals for one-way flights from Barcelona to Kathmandu in September.
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