Cheapest return flights from Ljubljana to Copenhagen in September from $145

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

Return flights

29 Sep - 20 Oct Norwegian Air Sweden AOC direct
12 Sep - 03 Oct Norwegian Air Sweden AOC direct
29 Sep - 03 Oct Norwegian Air Sweden AOC direct
05 Sep - 22 Sep Norwegian Air Sweden AOC direct
01 Sep - 22 Sep Norwegian Air Sweden AOC direct
12 Sep - 22 Sep Norwegian Air Sweden AOC direct
05 Sep - 19 Sep Norwegian Air Sweden AOC direct
01 Sep - 19 Sep Norwegian Air Sweden AOC direct
01 Sep - 15 Sep Norwegian Air Sweden AOC direct
12 Sep - 19 Sep Norwegian Air Sweden AOC direct
12 Sep - 15 Sep Norwegian Air Sweden AOC direct
29 Sep - 13 Oct Norwegian Air Sweden AOC direct
19 Sep - 22 Sep Air Serbia
26 Sep - 03 Oct Norwegian Air Sweden AOC direct
29 Sep - 17 Oct Norwegian Air Sweden AOC direct
05 Sep - 08 Sep Norwegian Air Sweden AOC direct
26 Sep - 13 Oct Norwegian Air Sweden AOC direct
15 Sep - 03 Oct Norwegian Air Sweden AOC direct
26 Sep - 17 Oct Norwegian Air Sweden AOC direct
19 Sep - 03 Oct Norwegian Air Sweden AOC direct

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