Cheapest return flights from Ljubljana to Copenhagen in September from $99

AirHint found the following cheapest return flights from Ljubljana (LJU) to Copenhagen (CPH) in September 2026 (see full year).

Return flights

25 Sep - 16 Oct Norwegian Air Sweden AOC direct
14 Sep - 25 Sep Norwegian Air Sweden AOC direct
04 Sep - 25 Sep Norwegian Air Sweden AOC direct
14 Sep - 18 Sep Norwegian Air Sweden AOC direct
04 Sep - 11 Sep Norwegian Air Sweden AOC direct
04 Sep - 18 Sep Norwegian Air Sweden AOC direct
07 Sep - 25 Sep Norwegian Air Sweden AOC direct
07 Sep - 18 Sep Norwegian Air Sweden AOC direct
07 Sep - 11 Sep Norwegian Air Sweden AOC direct
18 Sep - 25 Sep Air Serbia
18 Sep - 25 Sep 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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