AirHint found the following cheapest return flights from Boston (BOS) to Kathmandu (KTM) in March 2026 (see full year).
Return flights
| 03 Mar - 18 Mar | Etihad Airways | ||
| 17 Mar - 24 Mar | Etihad Airways | ||
| 25 Mar - 22 Apr | Etihad Airways | ||
| 02 Mar - 09 Mar | Etihad Airways | ||
| 12 Mar - 27 Mar | Lufthansa | ||
| 02 Mar - 13 Mar | Etihad Airways |
Also check the deals for one-way flights from Boston to Kathmandu in March.
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