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

Return flights

11 Sep - 25 Sep	Pegasus Airlines
15 Sep - 27 Sep	Ryanair
10 Sep - 17 Sep	Pegasus Airlines
30 Sep - 07 Oct	Pegasus Airlines
09 Sep - 07 Oct	Pegasus Airlines
14 Sep - 04 Oct	Ryanair
15 Sep - 30 Sep	Pegasus Airlines
21 Sep - 28 Oct	Pegasus Airlines
13 Sep - 12 Oct	Pegasus Airlines
27 Sep - 12 Oct	Pegasus Airlines
21 Sep - 27 Oct	Ryanair
15 Sep - 12 Oct	Pegasus Airlines
08 Sep - 06 Oct	Pegasus Airlines
26 Sep - 17 Oct	Ryanair

Also check the deals for one-way flights from Charleroi 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 Charleroi to Kathmandu in September from 562€

Return flights