Cheapest return flights from Ljubljana to Copenhagen in September from $140

Best time to book flights for Ljubljana (LJU) to Copenhagen (CPH) flights at AirHint

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
05 Sep - 22 Sep Norwegian Air Sweden AOC direct
29 Sep - 03 Oct Norwegian Air Sweden AOC direct
12 Sep - 03 Oct Norwegian Air Sweden AOC direct
05 Sep - 08 Sep Norwegian Air Sweden AOC direct
26 Sep - 03 Oct Norwegian Air Sweden AOC direct
29 Sep - 13 Oct Norwegian Air Sweden AOC direct
12 Sep - 22 Sep Norwegian Air Sweden AOC direct
05 Sep - 19 Sep Norwegian Air Sweden AOC direct
26 Sep - 13 Oct Norwegian Air Sweden AOC direct
05 Sep - 15 Sep Norwegian Air Sweden AOC direct
19 Sep - 03 Oct Norwegian Air Sweden AOC direct
08 Sep - 22 Sep Norwegian Air Sweden AOC direct
26 Sep - 30 Sep Brussels Airlines
19 Sep - 22 Sep Norwegian Air Sweden AOC direct
12 Sep - 19 Sep Norwegian Air Sweden AOC direct
10 Sep - 15 Sep SWISS
22 Sep - 03 Oct Norwegian Air Sweden AOC direct
22 Sep - 13 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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