How to find the cheapest flight from
Denver (DEN) to Ljubljana (LJU)
What is the cheapest day to fly round-trip from Denver to Ljubljana?
Travelers have found that booking a Thursday departure is the best way to save up to 49% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.
Related info for your journey
Useful info, stats and facts about Denver to Ljubljana flights.
Alternative routes for Denver to Ljubljana
Destination information for Ljubljana
Things to know before you go. Useful info for your trip from Denver to Ljubljana