AirHint found the following cheapest return flights from Barcelona (BCN) to Kathmandu (KTM) in May 2026 (see full year).

Return flights

11 May - 19 May	Wizz Air Malta
11 May - 27 May	Wizz Air Malta
15 May - 05 Jun	Wizz Air
15 May - 27 May	Wizz Air
14 May - 14 Jun	Wizz Air
14 May - 27 May	Wizz Air
14 May - 11 Jun	Wizz Air
12 May - 27 May	Vueling Airlines
01 May - 03 Jun	Wizz Air Malta
13 May - 27 May	Vueling Airlines
01 May - 15 May	Wizz Air Malta
01 May - 01 Jun	Wizz Air Malta
01 May - 02 Jun	Wizz Air Malta
01 May - 04 Jun	Wizz Air Malta
09 May - 28 May	Wizz Air Malta

Also check the deals for one-way flights from Barcelona to Kathmandu in May.

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 Barcelona to Kathmandu in May from $635

Return flights