Cheapest return flights from Denver to Ljubljana in June from $1145

AirHint found the following cheapest return flights from Denver (DEN) to Ljubljana (LJU) in June 2026 (see full year).

Return flights

13 Jun - 21 Jun Icelandair
15 Jun - 23 Jun SWISS
08 Jun - 16 Jun SWISS
08 Jun - 15 Jun SWISS
06 Jun - 13 Jun Icelandair
05 Jun - 13 Jun WestJet
07 Jun - 15 Jun Icelandair
10 Jun - 18 Jun Brussels Airlines
14 Jun - 22 Jun Icelandair
09 Jun - 17 Jun Condor

Also check the deals for one-way flights from Denver to Ljubljana in June.

Powered by

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.

Book a cheap hotel in Ljubljana

Cheap car rent in Ljubljana

Feel free to contact us with any feedback or request another flight research.