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Ljubljana

$637+ Cheap flights from Denver (DEN) to Ljubljana (LJU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LJU
Jan 10 — Jan 171
Sat 1/10
Sat 1/17
1 adult, Economy
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Cheap 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 December 11, 2025.

This Trip.com deal was found by Cheapflights users on 12/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:20 pmDEN - LJU
1 stop29h 05mTurkish Airlines
Sat 1/179:20 amLJU - DEN
1 stop16h 15mTurkish Airlines
Deal found 12/10$885
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
Tue 12/307:20 pmDEN - LJU
1 stop15h 20mTurkish Airlines
Thu 1/159:20 amLJU - DEN
1 stop16h 15mTurkish Airlines
Deal found 12/10$912
This Turkish Airlines deal was found by Cheapflights users on 12/9. 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.
Tue 12/307:20 pmDEN - LJU
1 stop15h 20mTurkish Airlines
Fri 1/169:20 amLJU - DEN
1 stop16h 15mTurkish Airlines
Deal found 12/9$914
This Lufthansa deal was found by Cheapflights users on 12/9. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:20 pmDEN - LJU
1 stop19h 10mLufthansa
Fri 1/169:45 amLJU - DEN
1 stop12h 50mLufthansa
Deal found 12/9$1,027
This Air France deal was found by Cheapflights users on 12/10. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:35 amDEN - LJU
2 stops17h 05mAir France
Fri 1/1612:50 pmLJU - DEN
2 stops38h 38mAir France
Deal found 12/10$1,029
This Delta deal was found by Cheapflights users on 12/9. 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 12/314:29 pmDEN - LJU
2 stops35h 11mDelta
Thu 1/1512:50 pmLJU - DEN
2 stops41h 56mDelta
Deal found 12/9$1,032
This Lufthansa deal was found by Cheapflights users on 12/9. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:20 amDEN - LJU
2 stops14h 35mLufthansa
Fri 1/169:45 amLJU - DEN
1 stop12h 50mLufthansa
Deal found 12/9$1,043
This SWISS deal was found by Cheapflights users on 12/9. 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.
Tue 12/305:35 pmDEN - LJU
2 stops36h 00mSWISS
Fri 1/166:30 amLJU - DEN
2 stops21h 43mSWISS
Deal found 12/9$1,046

Find 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 December 11, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$836
(FlightHub)

One-way from

$637
(KAYAK)

Popular in

June

Cheapest in

April

Average price

$903
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
One-way flight from Denver Intl to Ljubljana Joze Pucnik
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($426 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($58 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 11, 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

Mon 2/2

11:20 am-2:05 pm

2 stops18h 45m

Ljubljana Joze Pucnik

Tue 2/17

6:30 am-10:05 pm

2 stops23h 35m

$847

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Mon 2/2

11:15 am-12:40 pm

2 stops17h 25m

Ljubljana Joze Pucnik

Tue 2/17

10:35 am-4:00 pm

1 stop13h 25m

$859

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Tue 12/30

7:20 pm-8:25 am

1 stop29h 05m

Ljubljana Joze Pucnik

Sat 1/17

9:20 am-5:35 pm

1 stop16h 15m

$885

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Tue 12/30

7:20 pm-6:40 pm

1 stop15h 20m

Ljubljana Joze Pucnik

Thu 1/15

9:20 am-5:35 pm

1 stop16h 15m

$912

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Thu 1/22

7:20 pm-8:25 am

1 stop29h 05m

Ljubljana Joze Pucnik

Mon 1/26

7:35 pm-5:35 pm

1 stop30h 00m

$914

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Tue 5/12

2:51 pm-5:15 pm

2 stops18h 24m

Ljubljana Joze Pucnik

Mon 5/18

3:10 pm-4:30 pm

1 stop33h 20m

$973

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sat 5/2

8:25 pm-1:00 pm

1 stop32h 35m

Ljubljana Joze Pucnik

Sun 5/17

9:40 am-11:01 pm

2 stops21h 21m

$985

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Wed 12/31

4:29 pm-11:40 am

2 stops35h 11m

Ljubljana Joze Pucnik

Thu 1/15

12:50 pm-10:46 pm

2 stops41h 56m

$1,032

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Wed 12/31

4:29 pm-11:40 am

2 stops35h 11m

Ljubljana Joze Pucnik

Mon 1/19

12:50 pm-1:33 pm

2 stops56h 43m

$1,032

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Tue 5/19

11:59 pm-8:45 am

2 stops24h 46m

$637

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

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 December.
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.

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 December 11, 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
4,089 reviews

Overall

7.3

Comfort

7.3

Entertainment

7.4

Boarding

7.3

Crew

7.8

Food

7.4

Reviews

1 / 20
6.0
Good

Chandra,Nov 2025

ATL - IST

TV was not available in Indigo from Istanbul to Delhi. Seat was not moving back. It was jammed.
Turkish Airlines
7.3
Good
4,089 reviews
Turkish Airlines
7.3
Good
4,089 reviews

Overall

7.3

Comfort

7.3

Entertainment

7.4

Boarding

7.3

Crew

7.8

Food

7.4

Reviews

1 / 20
6.0
Good

Chandra,Nov 2025

ATL - IST

TV was not available in Indigo from Istanbul to Delhi. Seat was not moving back. It was jammed.
Lufthansa
6.8
Okay
7,626 reviews
Turkish Airlines
7.3
Good
4,089 reviews

Overall

7.3

Comfort

7.3

Entertainment

7.4

Boarding

7.3

Crew

7.8

Food

7.4

Reviews

1 / 20
6.0
Good

Chandra,Nov 2025

ATL - IST

TV was not available in Indigo from Istanbul to Delhi. Seat was not moving back. It was jammed.

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 18h 45m. SWISS provides one of the quickest options available for as low as $847. 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 43% 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

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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 December 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$598Average$724FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$907Average$1,325FlexibilityNo cancel feeOn-time76%

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