AirHint found the following cheapest return flights from Washington (IAD) to Kathmandu (KTM) in November 2025 (see full year).
Return flights
| 24 Nov - 09 Dec | Lufthansa | ||
| 16 Nov - 24 Nov | Saudia | ||
| 25 Nov - 01 Dec | TAP | ||
| 26 Nov - 08 Dec | Saudia | ||
| 17 Nov - 24 Nov | Turkish Airlines | ||
| 13 Nov - 20 Nov | EgyptAir | ||
| 29 Nov - 13 Dec | Etihad Airways |
Also check the deals for one-way flights from Washington to Kathmandu in November.
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