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

Return flights

24 Apr - 11 May	Pegasus Airlines
10 Apr - 26 Apr	Iberia Express
29 Apr - 17 May	Pegasus Airlines
28 Apr - 17 May	Pegasus Airlines
06 Apr - 15 Apr	Pegasus Airlines
25 Apr - 09 May	Ryanair
04 Apr - 15 Apr	Pegasus Airlines
03 Apr - 21 Apr	Pegasus Airlines
03 Apr - 15 Apr	Pegasus Airlines
02 Apr - 22 Apr	Pegasus Airlines
01 Apr - 22 Apr	Pegasus Airlines
01 Apr - 30 Apr	Pegasus Airlines
01 Apr - 18 Apr	Pegasus Airlines
03 Apr - 12 Apr	Pegasus Airlines
24 Apr - 09 May	Air China

Also check the deals for one-way flights from Madrid to Kathmandu in April.

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 April from $658

Return flights