Cheapest return flights from Ljubljana to Barcelona in September from 222€

AirHint found the following cheapest return flights from Ljubljana (LJU) to Barcelona (BCN) in September 2026 (see full year).

Return flights

02 Sep - 05 Sep SWISS
04 Sep - 06 Sep Aegean Airlines

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

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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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