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

Return flights

13 Aug - 17 Aug	SWISS
07 Aug - 10 Aug	Lufthansa
27 Aug - 03 Sep	SWISS
05 Aug - 16 Aug	Lufthansa
17 Aug - 22 Aug	Air Serbia
22 Aug - 24 Aug	Lufthansa
27 Aug - 29 Aug	LOT
27 Aug - 30 Aug	SWISS
06 Aug - 08 Aug	Air Serbia
28 Aug - 30 Aug	LOT
21 Aug - 24 Aug	LOT

Also check the deals for one-way flights from Ljubljana to Prague 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 Ljubljana to Prague in August from $212

Return flights