AirHint found the following cheapest one-way flights from Hanoi (HAN) to Kathmandu (KTM) in April 2026 (see full year).
One-Way flights
| 21 Apr | Thai AirAsia | ||
| 06 Apr | VietJet Air | ||
| 02 Apr | Thai AirAsia | ||
| 07 Apr | VietJet Air |
Also check the deals for return flights from Hanoi to Kathmandu in April.
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