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

Return flights

28 Aug - 03 Sep	LOT	direct
28 Aug - 01 Sep	LOT	direct
19 Aug - 28 Aug	LOT	direct
22 Aug - 25 Aug	Lufthansa
24 Aug - 29 Aug	LOT	direct
14 Aug - 28 Aug	Lufthansa
05 Aug - 11 Aug	Lufthansa
13 Aug - 27 Aug	Lufthansa
14 Aug - 20 Aug	Lufthansa
08 Aug - 10 Aug	Lufthansa
22 Aug - 24 Aug	Lufthansa
25 Aug - 28 Aug	LOT	direct
31 Aug - 02 Sep	LOT	direct

Also check the deals for one-way flights from Warsaw 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 Warsaw to Ljubljana in August from 164€

Return flights