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Cheap Flights from Denver International to Ljubljana

Compare Denver International to Ljubljana flight deals

Find the cheapest month or even day of the year to fly to Ljubljana

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Flight deals from Denver International to Ljubljana

Looking for a cheap last-minute deal or the best return flight from Denver International Airport to Ljubljana Airport? If you want to travel next month, return fares start from R 14,953. Find the lowest prices on one-way and return tickets right here.
Ljubljana.R 6,141 per passenger.Departing Wed, 11 Nov.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Wed, 11 Nov, arriving in Ljubljana.Price includes taxes and charges.From R 6,141, select.
Ljubljana.R 6,157 per passenger.Departing Tue, 13 Oct.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Tue, 13 Oct, arriving in Ljubljana.Price includes taxes and charges.From R 6,157, select.
Ljubljana.R 6,558 per passenger.Departing Wed, 5 Aug.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Denver International on Wed, 5 Aug, arriving in Ljubljana.Price includes taxes and charges.From R 6,558, select.
Ljubljana.R 6,891 per passenger.Departing Sat, 5 Sep.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Sat, 5 Sep, arriving in Ljubljana.Price includes taxes and charges.From R 6,891, select.
Ljubljana.R 10,218 per passenger.Departing Wed, 17 Mar.One-way flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Denver International on Wed, 17 Mar, arriving in Ljubljana.Price includes taxes and charges.From R 10,218, select.
Ljubljana.R 10,218 per passenger.Departing Fri, 19 Feb.One-way flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Denver International on Fri, 19 Feb, arriving in Ljubljana.Price includes taxes and charges.From R 10,218, select.
Ljubljana.R 10,236 per passenger.Departing Sun, 3 Jan.One-way flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Denver International on Sun, 3 Jan, arriving in Ljubljana.Price includes taxes and charges.From R 10,236, select.
Ljubljana.R 10,236 per passenger.Departing Wed, 30 Dec.One-way flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Denver International on Wed, 30 Dec, arriving in Ljubljana.Price includes taxes and charges.From R 10,236, select.
Ljubljana.R 16,398 per passenger.Departing Sat, 8 May.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Denver International on Sat, 8 May, arriving in Ljubljana.Price includes taxes and charges.From R 16,398, select.

Find the cheapest month to fly from Denver International to Ljubljana

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver International to Ljubljana flights are currently cheapest in November.
Jul
Find prices
Aug
from R 6,559
Sep
from R 6,892
Oct
from R 6,157
Nov
from R 6,142
Dec
from R 10,237
Jan
from R 10,237
Feb
from R 10,219
Mar
from R 10,219
Apr
Find prices
May
from R 16,399
Jun
Find prices

Denver International to Ljubljana: Alternative routes

Compare routes from Denver International to Ljubljana below. You may find an airport to fly into that's cheaper, faster, or easier than Ljubljana.

Ljubljana

20km from central Ljubljana
Closest
from R 6,142
Search flights

Klagenfurt

67km from central Ljubljana
from R 19,381
Search flights

Trieste

84km from central Ljubljana
Cheapest
from R 5,557
Search flights

Denver to Ljubljana: Flight information

The things to know before you go.
Cheapest flight foundR 6,141
Cheapest month to flyNovember

Finding cheap flights from Denver International to Ljubljana: Frequently asked questions

The best price we found for a return flight from Denver International to Ljubljana is R 12,246. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Denver International to Ljubljana. But we found flights with one or more stops from R 12,247.
As of July 2026, there are no flights flying from Denver International to Ljubljana.
The cheapest month to fly from Denver International to Ljubljana is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to Ljubljana Airport on Sunday, 11 October 2026.
No airlines currently offer direct flights between Denver International Airport and Ljubljana Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Ljubljana but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Ljubljana is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Icelandair offers the cheapest flight tickets to Ljubljana.

Travelling from Denver International Airport (DEN) to Ljubljana Airport (LJU): what you need to know

  • The timezone in Ljubljana is UTC+1, which is eight hours ahead of Denver.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to board your DEN to LJU flight.

  • Flying during a peak month like July? Major public holidays and other popular periods can mean longer queues at security. Be extra cautious and get there up to four hours ahead of international flights and two hours before domestic departures.

  • We make it a cinch to book a flight with a stopover. To see your options for tickets from Denver International Airport to Ljubljana Airport, uncheck 'Direct flights only.' Then, pick a flight that has a stop long enough to visit your chosen city. Top stopovers between DEN and LJU include:

    • London Heathrow Airport

    • Frankfurt am Main Airport

    • Munich Airport

How to find the cheapest flights from Denver International Airport (DEN) to Ljubljana Airport (LJU)

  • R 6,141 is the best price for a one-way Denver International Airport to Ljubljana Airport flight. A return flight starts from R 12,247. These fares can change based on demand and availability.

  • Don't wait until the last minute. You're more likely to find cheap tickets from DEN to LJU if you book ahead. Airlines often have some terrific early bird rates.

  • The 'Whole month' search tool shows you the cheapest flights from Denver International Airport to Ljubljana Airport across the month. It's an easy way to snap up a bargain if your travel plans are flexible.

  • Cut down on the time spent looking for cheap flights from DEN to LJU by setting up a Price Alert. You'll receive an email or notification through the app when a new low fare is offered.

  • Choose your ideal departure and arrival times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Denver International Airport to Ljubljana Airport.

Handy information about Denver International Airport (DEN)

  • You'll find DEN at 8500 Pena Boulevard.

  • Denver International Airport has an excellent on-time performance, reducing the likelihood of delays. Departures from DEN arrive at their destination as scheduled 80% of the time.

  • Denver International Airport is around 40 kilometres from central Denver. If you're ride-sharing, catching a taxi or driving from the centre, it'll take you 35 minutes or so to arrive, depending on the traffic.

  • Planning to catch public transport? Expect a trip time of around 35 minutes.

  • Get your flight from Denver International Airport to Ljubljana Airport off to a hassle-free start. Just a quick ride from DEN, book a night at Baymont by Wyndham Denver International Airport and be well-rested for the trip ahead.

Arriving at Ljubljana Airport (LJU)

  • The last thing you want is a lengthy journey to your hotel if you're arriving on a late Denver International Airport to Ljubljana Airport flight. Stay at one of these accommodation options near LJU instead:

  • Travel at your own pace with a Ljubljana Airport rental car. Pick up a set of wheels from Garage Nr1, Carwiz or Avant Car and see more of Ljubljana and beyond.

  • For the lowest price, reserve your vehicle from Ljubljana Airport around one week in advance.

Getting from Ljubljana Airport (LJU) to central Ljubljana

  • Ljubljana Airport is roughly 26 kilometres from central Ljubljana. Driving there takes about 30 minutes.

  • Getting there on public transport takes about 40 minutes.

When to fly to Ljubljana Airport (LJU)

  • The quietest month for a flight from Denver International Airport to Ljubljana Airport is March, while August is the most popular. Choose the ideal time to go to Ljubljana based on whether you prefer a faster pace or a more relaxed vibe.

  • Book your flight from Denver International Airport to Ljubljana Airport for July if you'd like to explore Ljubljana during its warmest month. Expect temperatures of between 13ºC (55ºF) and 29ºC (84ºF).

  • Search for cheap tickets from DEN to LJU in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between -7ºC (19ºF) and 7ºC (45ºF) on average.

Explore more of Slovenia

  • You've visited Ljubljana, now it's time to explore other parts of Slovenia. Journey around 105 kilometres north-east to Maribor to check off its leading attractions. From Mariborsko Pohorje Ski Resort to Mariborska promenada and Vetrinjski dvorec, you'll have a full itinerary ahead.

  • If you're looking to explore another corner of Slovenia, consider Celje, about 64 kilometres east of Ljubljana. Celje Castle, Celje Cathedral of Saint Daniel and Prince's Palace are key reasons to visit.

Plan the rest of your trip from Denver to Ljubljana

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.