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

Return flights

12 Sep - 19 Sep	Pegasus Airlines
12 Sep - 10 Oct	Norwegian Air Sweden AOC
19 Sep - 26 Sep	AJet
04 Sep - 04 Oct	Pegasus Airlines
09 Sep - 16 Sep	AJet
05 Sep - 30 Sep	IndiGo
13 Sep - 20 Sep	IndiGo
14 Sep - 10 Oct	AJet
08 Sep - 26 Sep	IndiGo
20 Sep - 23 Oct	AJet
01 Sep - 30 Sep	IndiGo
07 Sep - 13 Sep	AJet
22 Sep - 10 Oct	Ryanair
05 Sep - 20 Sep	Pegasus Airlines
13 Sep - 11 Oct	AJet
20 Sep - 27 Oct	Pegasus Airlines
29 Sep - 28 Oct	Wizz Air
06 Sep - 06 Oct	Turkish Airlines
20 Sep - 10 Oct	IndiGo

Also check the deals for one-way flights from Copenhagen 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 Copenhagen to Kathmandu in September from 526€

Return flights