Cheapest return flights from Madrid to Ljubljana in September from $222

Best time to book flights for Madrid (MAD) to Ljubljana (LJU) flights at AirHint

AirHint found the following cheapest return flights from Madrid (MAD) to Ljubljana (LJU) in September 2025 (see full year).

Return flights

03 Sep - 07 Sep Iberia direct
17 Sep - 27 Sep Lufthansa
17 Sep - 21 Sep Lufthansa
05 Sep - 16 Sep SWISS
08 Sep - 19 Sep KLM
04 Sep - 07 Sep KLM
04 Sep - 12 Sep KLM
05 Sep - 14 Sep Air Serbia
15 Sep - 21 Sep Lufthansa
26 Sep - 26 Sep Brussels Airlines

Also check the deals for one-way flights from Madrid to Ljubljana in September.

Skyscanner

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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