Cheapest return flights from Ljubljana to Warsaw in September from $224

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

Return flights

26 Sep - 29 Sep Lufthansa
04 Sep - 08 Sep Air France
26 Sep - 06 Oct Lufthansa
26 Sep - 30 Sep Lufthansa
11 Sep - 16 Sep Lufthansa
04 Sep - 10 Sep Air France
23 Sep - 28 Sep LOT direct
25 Sep - 28 Sep LOT direct
24 Sep - 28 Sep LOT direct
25 Sep - 27 Sep KLM
04 Sep - 09 Sep SWISS
28 Sep - 01 Oct KLM
28 Sep - 01 Oct LOT direct

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

Skyscanner

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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