Cheapest return flights from Basel to Ljubljana in September from 228€

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

Return flights

01 Sep - 05 Sep KLM
23 Sep - 26 Sep KLM
23 Sep - 27 Sep Lufthansa

Also check the deals for one-way flights from Basel 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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