Cheapest return flights from Ljubljana to Copenhagen in September from $135

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

Return flights

04 Sep - 07 Sep Norwegian Air Sweden AOC direct
04 Sep - 11 Sep Norwegian Air Sweden AOC direct
04 Sep - 21 Sep Norwegian Air Sweden AOC direct
28 Sep - 19 Oct Norwegian Air Sweden AOC direct
18 Sep - 05 Oct Norwegian Air Sweden AOC direct
18 Sep - 09 Oct Norwegian Air Sweden AOC direct
28 Sep - 16 Oct Norwegian Air Sweden AOC direct
30 Sep - 19 Oct Air Serbia
18 Sep - 21 Sep Norwegian Air Sweden AOC direct
28 Sep - 05 Oct Norwegian Air Sweden AOC direct
28 Sep - 09 Oct Norwegian Air Sweden AOC direct
28 Sep - 12 Oct Norwegian Air Sweden AOC direct
11 Sep - 14 Sep Air Serbia
18 Sep - 28 Sep Air Serbia
19 Sep - 21 Sep SWISS
01 Sep - 08 Sep SWISS
02 Sep - 08 Sep SWISS
18 Sep - 28 Sep Norwegian Air Sweden AOC direct
21 Sep - 05 Oct Norwegian Air Sweden AOC direct
21 Sep - 09 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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