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

Return flights

01 Sep - 14 Sep	Air Arabia
05 Sep - 05 Sep	flydubai
03 Sep - 11 Sep	flydubai
07 Sep - 15 Sep	Emirates
29 Sep - 29 Oct	Air India Express
14 Sep - 28 Oct	Etihad Airways
14 Sep - 27 Oct	Air India Express

Also check the deals for one-way flights from Muscat 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 Muscat to Kathmandu in September from 318€

Return flights