Cheapest return flights from Madrid to Ljubljana in September from $204

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

06 Sep - 22 Sep SWISS
24 Sep - 29 Sep SWISS
29 Sep - 05 Oct Air Europa
01 Sep - 08 Sep Volotea
23 Sep - 30 Sep Lufthansa
10 Sep - 14 Sep KLM
17 Sep - 21 Sep Lufthansa
05 Sep - 14 Sep Iberia
04 Sep - 07 Sep KLM
05 Sep - 13 Sep SWISS
13 Sep - 21 Sep Lufthansa

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.

Book a cheap hotel in Ljubljana

Cheap car rent in Ljubljana