AirHint found the following cheapest return flights from Boston (BOS) to Kathmandu (KTM) in January 2026 (see full year).
Return flights
| 26 Jan - 10 Feb | Etihad Airways | ||
| 23 Jan - 08 Feb | Etihad Airways | ||
| 24 Jan - 27 Jan | IndiGo | ||
| 18 Jan - 26 Jan | IndiGo | ||
| 14 Jan - 17 Feb | Emirates |
Also check the deals for one-way flights from Boston to Kathmandu in January.
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