AirHint found the following cheapest one-way flights from Kathmandu (KTM) to Hanoi (HAN) in May 2025 (see full year).
09 May | Thai AirAsia | ||
10 May | IndiGo |
Also check the deals for return flights from Kathmandu to Hanoi in May.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.