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

Return flights

09 May - 25 May	Air Europa
21 May - 08 Jun	Ryanair
14 May - 19 May	Pegasus Airlines
14 May - 26 May	Pegasus Airlines
01 May - 10 May	Sichuan Airlines
11 May - 30 May	Sichuan Airlines
01 May - 14 May	Sichuan Airlines
22 May - 03 Jun	Ryanair
10 May - 24 May	Ryanair
02 May - 18 May	Iberia
10 May - 23 May	Iberia
08 May - 22 May	Ryanair
28 May - 14 Jun	ITA Airways

Also check the deals for one-way flights from Madrid 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 Madrid to Kathmandu in May from 556€

Return flights