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

Return flights

08 Sep - 30 Sep	VietJet Air
14 Sep - 27 Sep	Air China
08 Sep - 17 Sep	Cathay Pacific
05 Sep - 12 Sep	Thai Airways
06 Sep - 13 Sep	Thai Airways
12 Sep - 15 Sep	Thai Airways
08 Sep - 19 Oct	Cathay Pacific
09 Sep - 10 Oct	Cathay Pacific
10 Sep - 16 Oct	Thai Airways
15 Sep - 29 Sep	Cathay Pacific
19 Sep - 23 Sep	Cathay Pacific
23 Sep - 25 Sep	Cathay Pacific
25 Sep - 28 Sep	Cathay Pacific
15 Sep - 07 Oct	Thai Airways
15 Sep - 06 Oct	Thai Airways
15 Sep - 08 Oct	Cathay Pacific
06 Sep - 31 Oct	Thai Airways
17 Sep - 07 Oct	Thai Airways
29 Sep - 02 Oct	Thai Airways
16 Sep - 08 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 $527

Return flights