Cheapest one-way flights from Kathmandu to Hanoi in December from $206

AirHint found the following cheapest one-way flights from Kathmandu (KTM) to Hanoi (HAN) in December 2025 (see full year).

One-Way flights

01 Dec Nepal Airlines
22 Dec Thai Lion Air
21 Dec Thai AirAsia
17 Dec Thai AirAsia
31 Dec Thai AirAsia
10 Dec Thai AirAsia
12 Dec Thai AirAsia
15 Dec Thai AirAsia
14 Dec Thai Lion Air
19 Dec Thai AirAsia

Also check the deals for return flights from Kathmandu to Hanoi in December.

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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.

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