Cheapest return flights from Kathmandu to Hanoi in September from 327€

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

Return flights

18 Sep - 26 Sep Nepal Airlines
16 Sep - 25 Sep IndiGo
11 Sep - 18 Sep IndiGo
03 Sep - 13 Sep Thai Airways
05 Sep - 14 Sep Thai Airways
24 Sep - 30 Sep Thai Airways

Also check the deals for one-way 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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