Cheapest return flights from Copenhagen to Ljubljana in September from $160

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

Return flights

26 Sep - 13 Oct Norwegian Air Sweden AOC direct
22 Sep - 06 Oct Norwegian Air Sweden AOC direct
22 Sep - 29 Sep Norwegian Air Sweden AOC
26 Sep - 06 Oct Norwegian Air Sweden AOC direct
22 Sep - 03 Oct Norwegian Air Sweden AOC direct
22 Sep - 10 Oct Norwegian Air Sweden AOC direct
22 Sep - 26 Sep Norwegian Air Sweden AOC direct
22 Sep - 29 Sep Norwegian Air Sweden AOC direct
26 Sep - 29 Sep Norwegian Air Sweden AOC direct
19 Sep - 06 Oct Norwegian Air Sweden AOC direct
12 Sep - 26 Sep Norwegian Air Sweden AOC direct
12 Sep - 29 Sep Norwegian Air Sweden AOC direct
26 Sep - 03 Oct Norwegian Air Sweden AOC direct
26 Sep - 10 Oct Norwegian Air Sweden AOC direct
15 Sep - 19 Sep Norwegian Air Sweden AOC
15 Sep - 26 Sep Norwegian Air Sweden AOC
19 Sep - 26 Sep Norwegian Air Sweden AOC
19 Sep - 22 Sep Norwegian Air Sweden AOC
29 Sep - 13 Oct Norwegian Air Sweden AOC direct
29 Sep - 03 Oct KLM

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

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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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