Cheapest one-way flights from Hanoi to Kathmandu in September from 141€

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

One-Way flights

03 Sep Thai AirAsia
12 Sep Thai AirAsia
01 Sep VietJet Air
11 Sep Thai AirAsia
21 Sep Thai AirAsia
02 Sep VietJet Air
29 Sep Thai AirAsia
15 Sep Thai AirAsia
04 Sep VietJet Air

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

Skyscanner

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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