HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ljubljana

$598+ Cheap flights from Denver (DEN) to Ljubljana (LJU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LJU
nov 28 — dez 51
sex 11/28
sex 12/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Denver to Ljubljana with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Denver to Ljubljana

Cheapest flights from Denver to Ljubljana
Explore the most affordable flight options available from Denver to Ljubljana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on outubro 29, 2025.

This Turkish Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 11/1711:51 amDEN - LJU
2 stops22h 49mMultiple Airlines
qua 12/37:35 pmLJU - DEN
1 stop30h 00mMultiple Airlines
Deal found 10/27$968
This Gurufare deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 11/174:20 pmDEN - LJU
1 stop12h 20mLufthansa
qua 12/310:35 amLJU - DEN
1 stop13h 25mLufthansa
Deal found 10/27$987
This CheapOair deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 12/1311:15 amDEN - LJU
2 stops17h 40mMultiple Airlines
dom 12/216:35 amLJU - DEN
2 stops38h 02mMultiple Airlines
Deal found 10/29$1,049
This oojo deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 12/137:20 pmDEN - LJU
1 stop15h 20mTurkish Airlines
dom 12/219:20 amLJU - DEN
2 stops20h 46mTurkish Airlines
Deal found 10/29$1,132
This Cheapflightsfares deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 12/135:45 pmDEN - LJU
1 stop20h 10mLufthansa
dom 12/2110:35 amLJU - DEN
2 stops36h 00mLufthansa
Deal found 10/27$1,156

Cheap flight deals from Denver to Ljubljana

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Ljubljana (LJU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated outubro 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$598
(FlightHub)

Popular in

December

Cheapest in

April

Average price

$1,090
Provider with most accurate pricing for Denver Intl-Ljubljana Joze Pucnik flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Ljubljana Joze Pucnik flights.
Search Deals
From Denver Intl to Ljubljana Joze Pucnik
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($221 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($89 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Ljubljana that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated outubro 29, 2025.
Use the filters below to find and compare flights from Denver to Ljubljana that are best for you.

Fly from

Denver

Fly to

Ljubljana

Route

Depart

Return

Price

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

qui 1/8

7:20 pm-8:25 am

1 stop29h 05m

Ljubljana Joze Pucnik

sex 1/16

7:35 pm-5:35 pm

1 stop30h 00m

$598

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

qui 4/2

6:40 pm-8:20 pm

1 stop17h 40m

Ljubljana Joze Pucnik

seg 4/6

3:10 pm-4:35 pm

1 stop33h 25m

$760

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

qui 1/8

3:15 pm-6:40 pm

2 stops19h 25m

Ljubljana Joze Pucnik

sex 1/16

7:35 pm-5:35 pm

1 stop30h 00m

$889

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

seg 11/17

11:51 am-6:40 pm

2 stops22h 49m

Ljubljana Joze Pucnik

qua 12/3

7:35 pm-5:35 pm

1 stop30h 00m

$968

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

ter 12/23

7:15 pm-7:30 pm

2 stops40h 15m

$607

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

ter 12/23

7:00 am-1:35 pm

3 stops46h 35m

$654

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

ter 12/23

7:20 pm-6:40 pm

1 stop15h 20m

$668

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Compare providers for flights from Denver to Ljubljana

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Ljubljana in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-Ljubljana flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Denver-Ljubljana flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Denver-Ljubljana flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Ljubljana flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Ljubljana flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Denver to Ljubljana

Have a flexible travel schedule? Discover the best time to fly to Ljubljana from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Denver to Ljubljana

What is the cheapest time of day to fly from DEN to LJU?

Find hourly flight availability from Denver to Ljubljana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated outubro 29, 2025.

It’s optimal to fly from Denver to Ljubljana in the evening. By choosing this option you can save up to 68% on the cost of your flight, compared to a flight in the morning.

Reviews of airlines servicing Ljubljana

Get insights into the airlines that provide service to Ljubljana. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ljubljana. Reviews last updated outubro 29, 2025.
Read through reviews of airlines operating flights from Denver to Ljubljana, such as Turkish Airlines and Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Turkish Airlines
7.3
Good
4,031 reviews

Overall

7.3

Boarding

7.3

Comfort

7.3

Crew

7.7

Food

7.4

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Christina,Sep 2025

DTW - IST

Crew was fine but the plane seemed smaller like the seats were very crammed in for an international flight. I’m a small person and it felt suffocating to me.
Turkish Airlines
7.3
Good
4,031 reviews
Turkish Airlines
7.3
Good
4,031 reviews

Overall

7.3

Boarding

7.3

Comfort

7.3

Crew

7.7

Food

7.4

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Christina,Sep 2025

DTW - IST

Crew was fine but the plane seemed smaller like the seats were very crammed in for an international flight. I’m a small person and it felt suffocating to me.
Lufthansa
6.8
Okay
7,538 reviews
Turkish Airlines
7.3
Good
4,031 reviews

Overall

7.3

Boarding

7.3

Comfort

7.3

Crew

7.7

Food

7.4

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Christina,Sep 2025

DTW - IST

Crew was fine but the plane seemed smaller like the seats were very crammed in for an international flight. I’m a small person and it felt suffocating to me.

Related info for your journey

Find useful and relevant information for your journey from Denver to Ljubljana. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Denver to Ljubljana?

    A quick flight from Denver to Ljubljana can take about 17h 40m. Turkish Airlines provides one of the quickest options available for as low as $760. The distance from Denver to Ljubljana is about 5400 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Denver to Ljubljana round-trip?

    Cheapflights users have booked flights from Denver to Ljubljana round-trip from $598. Another airline that can offer you cheap pricing is Lufthansa. You may be able to fly from Denver to Ljubljana for 46% less than the average price by searching for these airlines.

  • Can I find deals for flights from Denver to Ljubljana that include hotel bookings?

    Yes. In addition to deals on Denver to Ljubljana flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Ljubljana?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Ljubljana.

  • Can I find deals for business class flights from Denver to Ljubljana?

    Yes. Cheapflights offers flight deals from Denver to Ljubljana by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Ljubljana?

Book flights to Ljubljana if you plan to visit one of these locations
Kranjska Gora

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Denver to Ljubljana

See prices for flight routes from nearby airports that may be better suited for you.
Colorado Springs to Ljubljana flights

Top 2 airlines flying from Denver to Ljubljana

Discover the top 2 airlines that operate flights from Denver to Ljubljana. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated outubro 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$598Average$709FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$903Average$1,312FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.