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

Return flights

27 May - 03 Jun	Brussels Airlines
21 May - 30 May	SWISS
25 May - 01 Jun	British Airways
08 May - 14 May	Air Europa
18 May - 25 May	Iberia Express
21 May - 31 May	Brussels Airlines
15 May - 17 May	SWISS
22 May - 31 May	Brussels Airlines
26 May - 02 Jun	SWISS
14 May - 17 May	Lufthansa

Also check the deals for one-way flights from Madrid to Ljubljana 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 Ljubljana in May from 247€

Return flights