AirHint found the following cheapest return flights from Bilbao (BIO) to Ljubljana (LJU) in July 2025 (see full year).

Return flights

22 Jul - 08 Aug	KLM
28 Jul - 29 Jul	Vueling Airlines
28 Jul - 30 Jul	Vueling Airlines
30 Jul - 03 Aug	Wizz Air Malta
19 Jul - 26 Jul	Vueling Airlines
07 Jul - 12 Jul	easyJet
28 Jul - 02 Aug	Vueling Airlines
25 Jul - 02 Aug	Vueling Airlines
06 Jul - 10 Jul	easyJet
31 Jul - 03 Aug	Vueling Airlines

Also check the deals for one-way flights from Bilbao to Ljubljana in July.

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 Bilbao to Ljubljana in July from 269€

Return flights