AirHint found the following cheapest return flights from Pittsburgh (PIT) to Kathmandu (KTM) in December 2025 (see full year).
Return flights
| 31 Dec - 31 Jan | jetBlue | ||
| 10 Dec - 28 Dec | jetBlue | ||
| 13 Dec - 14 Jan | Turkish Airlines | ||
| 10 Dec - 27 Dec | Qatar Airways | ||
| 09 Dec - 09 Jan | Turkish Airlines | ||
| 12 Dec - 14 Jan | Turkish Airlines |
Also check the deals for one-way flights from Pittsburgh to Kathmandu in December.
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