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

Return flights

01 Sep - 30 Oct	Air China
23 Sep - 19 Oct	China Eastern
29 Sep - 29 Oct	Thai AirAsia X
08 Sep - 30 Sep	Thai AirAsia X
26 Sep - 24 Oct	VietJet Air
01 Sep - 08 Sep	Cathay Pacific
07 Sep - 12 Sep	Cathay Pacific
11 Sep - 17 Sep	Thai Airways
22 Sep - 29 Sep	Cathay Pacific
20 Sep - 23 Sep	Cathay Pacific
11 Sep - 09 Oct	Cathay Pacific
22 Sep - 24 Sep	Cathay Pacific
21 Sep - 24 Sep	Cathay Pacific
22 Sep - 25 Sep	Cathay Pacific
20 Sep - 25 Oct	Cathay Pacific
24 Sep - 25 Oct	Cathay Pacific
22 Sep - 31 Oct	Cathay Pacific
25 Sep - 25 Oct	Cathay Pacific
23 Sep - 24 Oct	Cathay Pacific

Also check the deals for one-way flights from Nagoya to Kathmandu in September.

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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Cheapest return flights from Nagoya to Kathmandu in September from 412€

Return flights