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

Return flights

18 May - 01 Jun	Norwegian Air Sweden AOC	direct
18 May - 08 Jun	Norwegian Air Sweden AOC	direct
11 May - 01 Jun	Norwegian Air Sweden AOC	direct
25 May - 01 Jun	Norwegian Air Sweden AOC	direct
25 May - 08 Jun	Norwegian Air Sweden AOC	direct
25 May - 12 Jun	Norwegian Air Sweden AOC	direct
14 May - 17 May	SWISS
11 May - 17 May	SWISS
12 May - 17 May	SWISS
13 May - 17 May	SWISS
10 May - 17 May	SWISS
24 May - 31 May	SWISS

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

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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Cheapest return flights from Ljubljana to Copenhagen in May from $139

Return flights