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

Return flights

02 Sep - 20 Sep	Air India Express
10 Sep - 11 Sep	Air India
05 Sep - 20 Sep	Air India Express
02 Sep - 18 Sep	Air India Express
02 Sep - 09 Sep	Air India Express
04 Sep - 11 Sep	Air India
02 Sep - 10 Sep	Air India Express
02 Sep - 12 Sep	Air India Express
02 Sep - 11 Sep	Air India Express
23 Sep - 27 Sep	Air India Express
21 Sep - 07 Oct	IndiGo
23 Sep - 13 Oct	Air India Express
23 Sep - 05 Oct	Air India Express

Also check the deals for one-way flights from Calicut 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 Calicut to Kathmandu in September from $298

Return flights