AirHint found the following cheapest return flights from Luxemburg (LUX) to Ljubljana (LJU) in August 2025 (see full year).

Return flights

01 Aug - 19 Aug	Lufthansa
21 Aug - 28 Aug	Lufthansa
31 Aug - 04 Sep	Lufthansa
21 Aug - 24 Aug	Lufthansa
07 Aug - 10 Aug	Lufthansa
03 Aug - 21 Aug	Lufthansa
01 Aug - 03 Aug	Lufthansa
01 Aug - 10 Aug	Lufthansa
21 Aug - 24 Aug	Luxair	direct
28 Aug - 31 Aug	Air Dolomiti
17 Aug - 21 Aug	Lufthansa
31 Aug - 04 Sep	Luxair	direct

Also check the deals for one-way flights from Luxemburg to Ljubljana in August.

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 Luxemburg to Ljubljana in August from 174€

Return flights