HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ljubljana

$702+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LJU
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
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.

Cheapflights Tip: The best prices from Denver Intl to Ljubljana Joze Pucnik are usually found in April or March, booked 57 days in advance, depart on a Thursday or Tuesday and return on a Thursday

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 April 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$702
(oojo)

Popular in

December

Cheapest in

April

Average price

$646
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. 39% potential increase in price ($818 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 21% potential price decrease ($222 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 April 3, 2025.

This oojo deal was found by Cheapflights users on 4/2. 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.
Sat 9/137:50 pmDEN - LJU
1 stop28h 40mTurkish Airlines
Sat 9/278:10 pmLJU - DEN
1 stop29h 45mTurkish Airlines
Deal found 4/2$702
This Gotogate deal was found by Cheapflights users on 4/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/115:02 pmDEN - LJU
2 stops37h 13mBritish Airways
Sat 10/1811:00 amLJU - DEN
2 stops36h 45mBritish Airways
Deal found 4/1$903
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/196:35 pmDEN - LJU
1 stop18h 05mMultiple Airlines
Sat 5/177:55 pmLJU - DEN
2 stops46h 02mMultiple Airlines
Deal found 4/2$959
This Gurufare deal was found by Cheapflights users on 4/1. 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.
Mon 9/224:15 pmDEN - LJU
1 stop19h 10mLufthansa
Tue 9/3010:10 amLJU - DEN
1 stop13h 25mLufthansa
Deal found 4/1$1,220
This Finnair deal was found by Cheapflights users on 4/2. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2412:13 pmDEN - LJU
2 stops36h 32mFinnair
Sat 5/179:30 amLJU - DEN
2 stops20h 08mFinnair
Deal found 4/2$1,377
This Delta deal was found by Cheapflights users on 4/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/233:00 pmDEN - LJU
2 stops36h 05mDelta
Fri 5/2312:35 pmLJU - DEN
2 stops19h 41mDelta
Deal found 4/2$1,384
This KLM deal was found by Cheapflights users on 4/2. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2110:40 amDEN - LJU
2 stops16h 55mKLM
Tue 5/209:05 amLJU - DEN
2 stops20h 52mKLM
Deal found 4/2$1,408
This SWISS deal was found by Cheapflights users on 4/2. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2011:20 amDEN - LJU
2 stops38h 45mSWISS
Wed 5/217:25 pmLJU - DEN
2 stops34h 28mSWISS
Deal found 4/2$1,454

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 April 3, 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

Sat 9/13

7:50 pm-8:30 am

1 stop28h 40m

Ljubljana Joze Pucnik

Sat 9/27

8:10 pm-5:55 pm

1 stop29h 45m

$702

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Tue 4/22

6:35 pm-5:15 pm

1 stop14h 40m

Ljubljana Joze Pucnik

Wed 5/7

6:00 pm-3:47 pm

2 stops29h 47m

$930

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sat 4/19

6:35 pm-8:40 pm

1 stop18h 05m

Ljubljana Joze Pucnik

Sat 5/17

7:55 pm-9:57 am

2 stops46h 02m

$959

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Mon 9/22

4:15 pm-7:25 pm

1 stop19h 10m

Ljubljana Joze Pucnik

Tue 9/30

10:10 am-3:35 pm

1 stop13h 25m

$1,220

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Thu 4/24

12:13 pm-8:45 am

2 stops36h 32m

Ljubljana Joze Pucnik

Sat 5/17

9:30 am-9:38 pm

2 stops20h 08m

$1,377

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Wed 4/23

3:00 pm-11:05 am

2 stops36h 05m

Ljubljana Joze Pucnik

Thu 5/22

12:35 pm-5:39 pm

2 stops37h 04m

$1,384

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Mon 4/21

10:40 am-11:35 am

2 stops16h 55m

Ljubljana Joze Pucnik

Tue 5/20

9:05 am-9:57 pm

2 stops20h 52m

$1,408

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sun 4/20

11:20 am-10:05 am

2 stops38h 45m

Ljubljana Joze Pucnik

Wed 5/21

7:25 pm-9:53 pm

2 stops34h 28m

$1,454

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Thu 8/28

7:50 pm-8:30 am

1 stop28h 40m

$884

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Fri 5/16

6:30 pm-8:05 am

3 stops53h 35m

$1,291

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 11 results
1
2

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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Ljubljana flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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

How far ahead should I book a flight from Denver to Ljubljana?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Ljubljana. Price data was last updated on March 28, 2025.

The price you pay for your flight from Denver to Ljubljana may vary depending on when you book. For the best chance of a lower fare, look to book 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 April 3, 2025.

It’s optimal to fly from Denver to Ljubljana in the evening. By choosing this option you can save up to 69% on the cost of your flight, compared to a flight in the morning.

Rainfall in Ljubljana by month

Plan your trip to Ljubljana by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ljubljana ranges from 1.6 - 2.8 inches per month. October is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Ljubljana when rainfall is around 1.6 in.

Temperature in Ljubljana by month

Plan your trip to Ljubljana by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ljubljana, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 April 3, 2025.
Read through reviews of airlines operating flights from Denver to Ljubljana, such as Delta, KLM and Finnair. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,574 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Turkish Airlines
7.3
Good
3,750 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    Cheapflights users have booked flights from Denver to Ljubljana round-trip from $702. Other airlines that can offer you cheap pricing are British Airways, from $930, and Lufthansa, from $1,220. You may be able to fly from Denver to Ljubljana for 44% 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.

  • What is the cheapest month to book a flight from Denver to Ljubljana?

    Currently, February is the cheapest month in which you can book a flight from Denver to Ljubljana (average of $710). Flying from Denver to Ljubljana in June is currently the most expensive (average of $1,520). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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 April 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$594Average$652FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$796Average$1,237FlexibilityNo 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.