Cheapest return flights from Hanoi to Kathmandu in September from 483€

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

Return flights

01 Sep - 14 Sep Cathay Pacific
03 Sep - 03 Sep Thai AirAsia
24 Sep - 26 Sep Thai Airways

Also check the deals for one-way 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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