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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 12,929. Find the lowest prices on one-way and return tickets right here.
Ljubljana.R 7,241 per passenger.Departing Mon, 27 Jul.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Denver International on Mon, 27 Jul, arriving in Ljubljana.Price includes taxes and charges.From R 7,241, select.
Ljubljana.R 7,241 per passenger.Departing Mon, 3 Aug.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Denver International on Mon, 3 Aug, arriving in Ljubljana.Price includes taxes and charges.From R 7,241, select.
Ljubljana.R 7,258 per passenger.Departing Wed, 2 Sep.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Denver International on Wed, 2 Sep, arriving in Ljubljana.Price includes taxes and charges.From R 7,258, select.
Ljubljana.R 8,184 per passenger.Departing Sat, 10 Oct.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Denver International on Sat, 10 Oct, arriving in Ljubljana.Price includes taxes and charges.From R 8,184, select.
Ljubljana.R 8,670 per passenger.Departing Mon, 1 Mar.One-way flight with Brussels Airlines.Outbound indirect flight with Brussels Airlines, departs from Denver International on Mon, 1 Mar, arriving in Ljubljana.Price includes taxes and charges.From R 8,670, select.
Ljubljana.R 9,647 per passenger.Departing Thu, 16 Apr.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Denver International on Thu, 16 Apr, arriving in Ljubljana.Price includes taxes and charges.From R 9,647, select.
Ljubljana.R 9,946 per passenger.Departing Sun, 3 May.One-way flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Denver International on Sun, 3 May, arriving in Ljubljana.Price includes taxes and charges.From R 9,946, select.
Ljubljana.R 12,678 per passenger.Departing Fri, 26 Jun.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Denver International on Fri, 26 Jun, arriving in Ljubljana.Price includes taxes and charges.From R 12,678, 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 July.
Apr
from R 9,647
May
from R 9,946
Jun
from R 12,678
Jul
from R 7,241
Aug
from R 7,241
Sep
from R 7,258
Oct
from R 8,184
Nov
Find prices
Dec
Find prices
Jan
Find prices
Feb
Find prices
Mar
from R 8,670

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 7,241
Search flights

Klagenfurt

67km from central Ljubljana
Search flights

Trieste

84km from central Ljubljana
Cheapest
from R 5,355
Search flights

Denver to Ljubljana: Flight information

The things to know before you go.
Cheapest flight foundR 7,241
Cheapest month to flyAugust

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 12,467. 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 12,467.
As of April 2026, there are no flights flying from Denver International to Ljubljana.
The cheapest month to fly from Denver International to Ljubljana is usually September.
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 Tuesday, 1 September 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, Turkish Airlines offers the cheapest flight tickets to Ljubljana.

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

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

  • Arrive at the airport on time so you don't miss your DEN to LJU flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

  • Travelling during a peak time like July? School holidays and other popular seasons can lead to longer queues at security. Play things extra safe and get there up to four hours before international flights and two hours before a domestic departure.

  • Think about adding a stopover when booking your ticket from Denver International Airport to Ljubljana Joze Pucnik Airport. Simply uncheck 'Direct flights only' to break up your trip, or enjoy a detour to a new and interesting place. Here are some options between DEN and LJU:

    • Frankfurt Airport

    • Franz Josef Strauss Airport

    • London Heathrow Airport

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

  • R 7,241 is currently the lowest price for a one-way Denver International Airport to Ljubljana Joze Pucnik Airport flight. Return flights start from R 12,467. These fares can change based on demand.

  • To pick up cheap tickets from DEN to LJU, book ahead. Airlines usually offer their best fares when flights are first made available.

  • Finding cheap flights from Denver International Airport to Ljubljana Joze Pucnik Airport is more likely if you can be flexible with your trip dates. Use the 'Whole month' tool to see the lowest prices across the month and land a great deal.

  • Picking up cheap flights from DEN to LJU couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch when there's a better deal.

  • Lock in the right flight for you with the help of the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Denver International Airport to Ljubljana Joze Pucnik Airport, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and number of stops.

Handy information about Denver International Airport (DEN)

  • You'll find DEN at 8500 Pena Boulevard.

  • Denver International Airport has a strong on-time performance, reducing your chances of a delayed flight. Departures from DEN arrive on schedule 80.23% of the time.

  • To get to Denver International Airport from central Denver, it takes around 35 minutes if you're travelling by car. This depends on traffic, however. It's approximately 40 kilometres from the airport to the city centre.

  • Planning to take public transport? Expect a trip time of around 1 hour 30 minutes.

  • Searching for a place to stay before your flight from Denver International Airport to Ljubljana Joze Pucnik Airport? Consider Baymont by Wyndham Denver International Airport. Enjoy a good night's rest here before making your way to DEN.

Arriving at Ljubljana Joze Pucnik Airport (LJU)

  • Consider staying in a hotel near LJU if you're taking a late Denver International Airport to Ljubljana Joze Pucnik Airport flight. Choose one of these accommodation options and skip the long transfer after landing:

  • Grab a Ljubljana Joze Pucnik Airport rental car and explore Ljubljana and beyond with your own set of wheels. Garage Nr1, Carwiz and Avant Car are popular outlets to choose from here.

  • Get the best deal by reserving your ride from Ljubljana Joze Pucnik Airport around one week ahead of your trip.

Getting from Ljubljana Joze Pucnik Airport (LJU) to central Ljubljana

  • From Ljubljana Joze Pucnik Airport, Ljubljana is approximately 24 kilometres away. It takes around 25 minutes to get to the centre driving.

  • It takes roughly 1 hour 55 minutes if you're travelling on public transport.

When to fly to Ljubljana Joze Pucnik Airport (LJU)

  • August is the most popular month for flights from Denver International Airport to Ljubljana Joze Pucnik Airport. To avoid the crowds, travel to Ljubljana in January.

  • Lock in your flight from Denver International Airport to Ljubljana Joze Pucnik Airport for July if you want to visit Ljubljana during its warmest month. Expect temperatures of between 13ºC (55ºF) and 29ºC (84ºF).

  • January has average temperatures of between -7ºC (19ºF) and 7ºC (45ºF). Search for cheap tickets from DEN to LJU around that time if you like cooler conditions.

Explore more of Slovenia

  • Maribor is just one of the many cities in Slovenia waiting to be discovered after you've experienced Ljubljana. Around 105 kilometres away to the north-east, its best attractions include Bičarjev park, Talcem and McDonnell Douglas MD-80.

  • Around 64 kilometres east of Ljubljana, Celje is another essential stop in Slovenia. Experience the best of this destination with a visit to Grad Prešnik, Savinja riverbank and Celje railway station.

Plan the rest of your trip from Denver to Ljubljana

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.