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	Air China
10 Sep - 30 Sep	Air China
01 Sep - 28 Sep	VietJet Air
07 Sep - 27 Sep	VietJet Air
03 Sep - 30 Sep	Thai AirAsia X
02 Sep - 27 Sep	VietJet Air
11 Sep - 30 Sep	China Eastern
08 Sep - 22 Sep	Air China
19 Sep - 23 Sep	China Eastern
05 Sep - 12 Sep	Cathay Pacific
28 Sep - 01 Oct	Cathay Pacific
21 Sep - 14 Oct	Cathay Pacific
30 Sep - 30 Oct	Cathay Pacific
29 Sep - 06 Oct	Thai Airways
29 Sep - 07 Oct	Thai Airways
28 Sep - 30 Oct	Cathay Pacific
29 Sep - 30 Oct	Cathay Pacific
27 Sep - 30 Oct	Cathay Pacific
25 Sep - 24 Oct	Cathay Pacific
30 Sep - 31 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 387€

Return flights