AirHint found the following cheapest return flights from Basel (BSL) to Kathmandu (KTM) in October 2025 (see full year).

Return flights

23 Oct - 29 Oct	AJet
27 Oct - 09 Nov	Pegasus Airlines
25 Oct - 10 Nov	Pegasus Airlines
13 Oct - 01 Nov	Pegasus Airlines
25 Oct - 08 Nov	Pegasus Airlines
13 Oct - 26 Oct	Pegasus Airlines
12 Oct - 25 Oct	Pegasus Airlines
20 Oct - 02 Nov	Pegasus Airlines
06 Oct - 24 Oct	Pegasus Airlines
12 Oct - 02 Nov	Wizz Air
12 Oct - 26 Oct	Pegasus Airlines
16 Oct - 01 Nov	Pegasus Airlines
12 Oct - 01 Nov	flydubai

Also check the deals for one-way flights from Basel to Kathmandu in October.

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 Basel to Kathmandu in October from $646

Return flights