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Ljubljana

$695+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LJU
Mar 24 — Mar 311
Tue 3/24
Tue 3/31
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 February 22, 2026.

This BusinessClass deal was found by Cheapflights users on 2/21. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/201:25 pm
DEN
-
LJU
2 stops16h 35m
Multiple Airlines
Tue 4/286:55 am
LJU
-
DEN
1 stop14h 40m
Multiple Airlines
Deal found 2/21$695
This Trip.com deal was found by Cheapflights users on 2/21. 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.
Wed 4/154:05 pm
DEN
-
LJU
1 stop19h 25m
Lufthansa
Mon 4/271:20 pm
LJU
-
DEN
1 stop33h 00m
Lufthansa
Deal found 2/21$726
This Orbitz deal was found by Cheapflights users on 2/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:25 pm
DEN
-
LJU
2 stops24h 30m
Multiple Airlines
Mon 4/278:00 pm
LJU
-
DEN
2 stops30h 13m
Multiple Airlines
Deal found 2/21$734
This Ovago deal was found by Cheapflights users on 2/21. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/203:45 pm
DEN
-
LJU
1 stop22h 00m
Lufthansa
Tue 4/286:55 am
LJU
-
DEN
1 stop14h 40m
Lufthansa
Deal found 2/21$745
This FlightHub deal was found by Cheapflights users on 2/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/197:20 pm
DEN
-
LJU
1 stop15h 20m
Turkish Airlines
Thu 2/269:20 am
LJU
-
DEN
1 stop16h 15m
Turkish Airlines
Deal found 2/18$817
This FlightHub deal was found by Cheapflights users on 2/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:25 pm
DEN
-
LJU
1 stop28h 20m
Turkish Airlines
Sun 5/179:40 am
LJU
-
DEN
1 stop16h 45m
Turkish Airlines
Deal found 2/18$818
This oojo deal was found by Cheapflights users on 2/18. 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.
Sun 4/58:25 pm
DEN
-
LJU
1 stop28h 20m
Turkish Airlines
Sun 4/129:40 am
LJU
-
DEN
1 stop16h 45m
Turkish Airlines
Deal found 2/18$826
This FlightHub deal was found by Cheapflights users on 2/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:25 pm
DEN
-
LJU
1 stop14h 55m
Turkish Airlines
Thu 9/39:40 am
LJU
-
DEN
1 stop16h 45m
Turkish Airlines
Deal found 2/21$844
This CheapOair deal was found by Cheapflights users on 2/20. 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.
Sat 5/26:10 pm
DEN
-
LJU
2 stops44h 55m
Multiple Airlines
Sun 5/176:05 am
LJU
-
DEN
1 stop17h 35m
Multiple Airlines
Deal found 2/20$845

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 February 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$695
(BusinessClass)

Popular in

June

Cheapest in

April

Average price

$766
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. 21% potential increase in price ($284 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($64 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 22, 2026.
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 5/2

8:25 pm-8:45 am

1 stop28h 20m

Ljubljana Joze Pucnik

Sun 5/17

9:40 am-6:25 pm

1 stop16h 45m

$817

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sun 4/5

8:25 pm-8:45 am

1 stop28h 20m

Ljubljana Joze Pucnik

Sun 4/12

9:40 am-6:25 pm

1 stop16h 45m

$826

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Thu 7/9

8:25 pm-7:20 pm

1 stop14h 55m

Ljubljana Joze Pucnik

Sat 7/18

8:15 pm-6:25 pm

1 stop30h 10m

$886

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sat 5/2

8:25 pm-8:45 am

1 stop28h 20m

Ljubljana Joze Pucnik

Sun 5/17

9:40 am-11:01 pm

2 stops21h 21m

$933

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Thu 8/20

11:59 pm-8:45 am

2 stops24h 46m

Ljubljana Joze Pucnik

Thu 9/3

9:40 am-6:25 pm

1 stop16h 45m

$952

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Tue 5/26

6:00 am-12:55 pm

2 stops22h 55m

Ljubljana Joze Pucnik

Mon 6/1

1:50 pm-6:25 pm

1 stop36h 35m

$957

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 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 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 much does it cost to fly round-trip from Denver to Ljubljana?

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 February 22, 2026.
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
4,229 reviews

Overall

7.3

Crew

7.8

Entertainment

7.5

Comfort

7.3

Boarding

7.3

Food

7.5

Reviews

1 / 20
8.0
Excellent

Muhammad,Jan 2026

ORD - DFW

Great, customer service agent at O’hare was able to change the flight due to snow storm. Thank you
Turkish Airlines
7.3
Good
4,229 reviews
Turkish Airlines
7.3
Good
4,229 reviews

Overall

7.3

Crew

7.8

Entertainment

7.5

Comfort

7.3

Boarding

7.3

Food

7.5

Reviews

1 / 20
8.0
Excellent

Muhammad,Jan 2026

ORD - DFW

Great, customer service agent at O’hare was able to change the flight due to snow storm. Thank you
Lufthansa
6.8
Okay
7,802 reviews
Turkish Airlines
7.3
Good
4,229 reviews

Overall

7.3

Crew

7.8

Entertainment

7.5

Comfort

7.3

Boarding

7.3

Food

7.5

Reviews

1 / 20
8.0
Excellent

Muhammad,Jan 2026

ORD - DFW

Great, customer service agent at O’hare was able to change the flight due to snow storm. Thank you

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 28h 20m. Turkish Airlines provides one of the quickest options available for as low as $817. The distance from Denver to Ljubljana is about 5400 mi.

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

    Cheapflights users have booked flights from Denver to Ljubljana round-trip from $643. Another airline that can offer you cheap pricing is Lufthansa. You may be able to fly from Denver to Ljubljana for 38% 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 February 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$643Average$759FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$903Average$1,251FlexibilityNo cancel feeOn-time76%

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