AirHint found the following cheapest return flights from Barcelona (BCN) to Kathmandu (KTM) in December 2026 (see full year).
Return flights
| 04 Dec - 18 Dec | Wizz Air Malta | ||
| 27 Dec - 05 Jan | Iberia | ||
| 19 Dec - 03 Jan | Air Serbia | ||
| 23 Dec - 03 Jan | Air Serbia |
Also check the deals for one-way flights from Barcelona to Kathmandu in December.
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