Cheapest one-way flights from Kathmandu to Hanoi in September from $239

AirHint found the following cheapest one-way flights from Kathmandu (KTM) to Hanoi (HAN) in September 2026 (see full year).

One-Way flights

25 Sep Thai AirAsia
27 Sep Thai AirAsia
24 Sep Singapore Airlines
26 Sep Singapore Airlines

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

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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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