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

Return flights

03 Sep - 07 Oct	Jetstar
01 Sep - 15 Sep	Qantas
26 Sep - 26 Oct	China Southern
25 Sep - 26 Oct	China Southern
26 Sep - 24 Oct	China Southern
29 Sep - 06 Oct	China Southern
29 Sep - 24 Oct	China Southern
12 Sep - 21 Sep	Emirates
19 Sep - 05 Oct	China Southern
19 Sep - 20 Oct	China Southern
27 Sep - 26 Oct	China Southern
20 Sep - 20 Oct	Emirates
19 Sep - 30 Sep	Singapore Airlines

Also check the deals for one-way flights from Auckland 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 Auckland to Kathmandu in September from 957€

Return flights