$374+ 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LJU
Jul 31 — Aug 71
Round-trip
1 adult, Economy
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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.Cheap flight deals from Denver to Ljubljana
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Cheapest flights from Denver to LjubljanaExplore 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 July 1, 2026.
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 July 1, 2026.
This oojo deal was found by Cheapflights users on 7/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:40 pm
DEN
- LJU
1 stop13h 40m
British Airways
Sun 8/239:25 pm
LJU
- DEN
1 stop27h 05m
British Airways
Deal found 7/1![British Airways logo]()
$901
This oojo deal was found by Cheapflights users on 6/29. 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.
Thu 10/18:25 pm
DEN
- LJU
1 stop14h 55m
Turkish Airlines
Thu 10/159:40 am
LJU
- DEN
1 stop16h 45m
Turkish Airlines
Deal found 6/29![Turkish Airlines logo]()
$904
This Turkish Airlines deal was found by Cheapflights users on 6/29. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:25 pm
DEN
- LJU
1 stop14h 55m
Turkish Airlines
Mon 9/78:15 pm
LJU
- DEN
1 stop30h 10m
Turkish Airlines
Deal found 6/29![Turkish Airlines logo]()
$938
This oojo deal was found by Cheapflights users on 6/28. 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.
Wed 9/164:15 pm
DEN
- LJU
1 stop12h 20m
Lufthansa
Fri 9/256:35 am
LJU
- DEN
1 stop17h 05m
Lufthansa
Deal found 6/28![Lufthansa logo]()
$949
This oojo deal was found by Cheapflights users on 7/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/214:15 pm
DEN
- LJU
1 stop19h 10m
Lufthansa
Wed 9/302:05 pm
LJU
- DEN
2 stops17h 49m
Lufthansa
Deal found 7/1![Lufthansa logo]()
$967
This Turkish Airlines deal was found by Cheapflights users on 6/30. 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.
Sat 11/78:20 pm
DEN
- LJU
1 stop27h 55m
Turkish Airlines
Wed 11/119:10 am
LJU
- DEN
1 stop16h 15m
Turkish Airlines
Deal found 6/30![Turkish Airlines logo]()
$968
Best flights from Denver to LjubljanaDiscover carefully curated flight deals from Denver to Ljubljana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2026.
Discover carefully curated flight deals from Denver to Ljubljana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2026.
This British Airways deal was found by Cheapflights users on 6/26. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:40 pm
DEN
- LJU
1 stop13h 40m
British Airways
Sun 8/239:25 pm
LJU
- DEN
2 stops30h 13m
British Airways
Deal found 6/26![British Airways logo]()
$917
This Turkish Airlines deal was found by Cheapflights users on 6/30. 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.
Sat 11/78:20 pm
DEN
- LJU
1 stop27h 55m
Turkish Airlines
Wed 11/119:10 am
LJU
- DEN
1 stop16h 15m
Turkish Airlines
Deal found 6/30![Turkish Airlines logo]()
$968
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:00 am
DEN
- LJU
2 stops17h 15m
United Airlines
Fri 9/186:35 am
LJU
- DEN
1 stop15h 00m
United Airlines
Deal found 7/1![United Airlines logo]()
$997
This Delta deal was found by Cheapflights users on 6/28. 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.
Mon 8/105:40 pm
DEN
- LJU
1 stop33h 40m
Delta
Sun 8/236:00 am
LJU
- DEN
2 stops21h 52m
Delta
Deal found 6/28![Delta logo]()
$1,039
This United deal was found by Cheapflights users on 6/28. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:25 pm
DEN
- LJU
1 stop15h 00m
Multiple Airlines
Sun 8/236:05 am
LJU
- DEN
2 stops21h 40m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$1,040
This Turkish Airlines deal was found by Cheapflights users on 6/27. 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.
Mon 8/316:00 am
DEN
- LJU
2 stops42h 45m
Turkish Airlines
Sat 9/128:15 pm
LJU
- DEN
1 stop30h 10m
Turkish Airlines
Deal found 6/27![Turkish Airlines logo]()
$983
This United Airlines deal was found by Cheapflights users on 6/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:45 am
DEN
- LJU
2 stops17h 30m
United Airlines
Fri 9/256:35 am
LJU
- DEN
2 stops19h 21m
United Airlines
Deal found 6/28![United Airlines logo]()
$1,006
This Turkish Airlines deal was found by Cheapflights users on 6/29. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:00 am
DEN
- LJU
2 stops46h 55m
Turkish Airlines
Fri 9/188:15 pm
LJU
- DEN
1 stop30h 10m
Turkish Airlines
Deal found 6/29![Turkish Airlines logo]()
$983
This United Airlines deal was found by Cheapflights users on 6/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/103:55 pm
DEN
- LJU
1 stop13h 20m
United Airlines
Sun 8/236:05 am
LJU
- DEN
1 stop15h 25m
United Airlines
Deal found 6/27![United Airlines logo]()
$1,041
Last-minute flights from Denver to LjubljanaDiscover last-minute flight deals from Denver to Ljubljana. Data last updated July 1, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Ljubljana. Data last updated July 1, 2026 and is based on user searches.
This Turkish Airlines deal was found by Cheapflights users on 6/30. 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.
Sun 7/126:00 am
DEN
- LJU
2 stops29h 20m
Multiple Airlines
Sat 7/259:40 am
LJU
- DEN
2 stops21h 02m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$1,198
This Turkish Airlines deal was found by Cheapflights users on 6/30. 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.
Thu 7/168:25 pm
DEN
- LJU
1 stop32h 30m
Multiple Airlines
Sat 7/259:40 am
LJU
- DEN
2 stops21h 02m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$1,228
This oojo deal was found by Cheapflights users on 6/28. 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 7/264:15 pm
DEN
- LJU
1 stop19h 10m
Lufthansa
Sun 8/28:05 pm
LJU
- DEN
1 stop25h 40m
Lufthansa
Deal found 6/28![Lufthansa logo]()
$1,190
This United deal was found by Cheapflights users on 7/1. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/314:15 pm
DEN
- LJU
1 stop32h 40m
Multiple Airlines
Fri 8/76:35 am
LJU
- DEN
2 stops25h 14m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$1,120
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:00 am
DEN
- LJU
2 stops19h 40m
United Airlines
Fri 8/76:35 am
LJU
- DEN
2 stops22h 52m
United Airlines
Deal found 7/1![United Airlines logo]()
$1,151
This oojo deal was found by Cheapflights users on 7/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/318:25 pm
DEN
- LJU
2 stops17h 20m
Lufthansa
Fri 8/76:35 am
LJU
- DEN
2 stops19h 00m
Lufthansa
Deal found 7/1![Lufthansa logo]()
$1,254
One-way flights from Denver to LjubljanaSearch for one-way flight options from Denver to Ljubljana. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
Search for one-way flight options from Denver to Ljubljana. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 9/294:40 pm
DEN
- LJU
3 stops44h 15m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Fri 10/24:40 pm
DEN
- LJU
3 stops45h 00m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$381
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Sun 10/44:40 pm
DEN
- LJU
2 stops33h 00m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$399
This Booking.com deal was found by Cheapflights users on 6/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:27 pm
DEN
- LJU
2 stops37h 53m
British Airways
Deal found 6/28![British Airways logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Sun 8/164:40 pm
DEN
- LJU
3 stops32h 10m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$430
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Mon 9/284:40 pm
DEN
- LJU
2 stops33h 40m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$451
This oojo deal was found by Cheapflights users on 6/28. 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 8/164:15 pm
DEN
- LJU
1 stop12h 20m
Lufthansa
Deal found 6/28![Lufthansa logo]()
$455
This Gotogate deal was found by Cheapflights users on 6/26. 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.
Sun 10/44:05 pm
DEN
- LJU
1 stop19h 20m
Lufthansa
Deal found 6/26![Lufthansa logo]()
$458
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 July 1, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $901 (oojo) |
One-way from | $369 (Kiwi.com) |
Popular in | October |
Cheapest in | February |
Average price | $1,218 |
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 July 1, 2026.
Use the filters below to find and compare flights from Denver to Ljubljana that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverLjubljana
DEN - LJU
DENLJU
Denver Intl
Mon 8/10
6:40 pm-4:20 pm
1 stop13h 40m
Ljubljana Joze Pucnik
Sun 8/23
9:25 pm-7:38 pm
2 stops30h 13m
$917
DenverLjubljana
DEN - LJU
DENLJU
Denver Intl
Sat 11/7
8:20 pm-8:15 am
1 stop27h 55m
Ljubljana Joze Pucnik
Wed 11/11
9:10 am-5:25 pm
1 stop16h 15m
$968
DenverLjubljana
DEN - LJU
DENLJU
Denver Intl
Mon 8/31
6:00 am-8:45 am
2 stops42h 45m
Ljubljana Joze Pucnik
Sat 9/12
8:15 pm-6:25 pm
1 stop30h 10m
$983
DenverLjubljana
DEN - LJU
DENLJU
Denver Intl
Wed 9/2
6:00 am-12:55 pm
2 stops46h 55m
Ljubljana Joze Pucnik
Fri 9/18
8:15 pm-6:25 pm
1 stop30h 10m
$983
DenverLjubljana
DEN - LJU
DENLJU
Denver Intl
Wed 9/2
8:00 am-9:15 am
2 stops17h 15m
Ljubljana Joze Pucnik
Fri 9/18
6:35 am-1:35 pm
1 stop15h 00m
$997
DenverLjubljana
DEN - LJU
DENLJU
Denver Intl
Wed 9/16
7:45 am-9:15 am
2 stops17h 30m
Ljubljana Joze Pucnik
Fri 9/25
6:35 am-5:56 pm
2 stops19h 21m
$1,006
DenverLjubljana
DEN - LJU
DENLJU
Denver Intl
Mon 8/10
5:40 pm-11:20 am
1 stop33h 40m
Ljubljana Joze Pucnik
Sun 8/23
6:00 am-7:52 pm
2 stops21h 52m
$1,039
DenverLjubljana
DEN - LJU
DENLJU
Denver Intl
Mon 8/10
8:25 pm-7:25 pm
1 stop15h 00m
Ljubljana Joze Pucnik
Sun 8/23
6:05 am-7:45 pm
2 stops21h 40m
$1,040
Quickest round-trip
DenverLjubljana
DEN - LJU
DENLJU
Denver Intl
Mon 8/10
3:55 pm-1:15 pm
1 stop13h 20m
Ljubljana Joze Pucnik
Sun 8/23
6:05 am-1:30 pm
1 stop15h 25m
$1,041
Cheapest one-way
DenverLjubljana
DEN - LJU
DENLJU
Denver Intl
Mon 9/28
4:05 pm-7:25 pm
1 stop19h 20m
$466
Showing 1-10 of 16 resultsSorted by cheapest first
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 July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Denver-Ljubljana flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Denver-Ljubljana flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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.
DEN-LJU
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
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 July 1, 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.
Crew
7.8
Comfort
7.3
Food
7.5
Entertainment
7.5
Overall
7.4
Boarding
7.3
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Crew
7.8
Comfort
7.3
Food
7.5
Entertainment
7.5
Overall
7.4
Boarding
7.3
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Crew
7.8
Comfort
7.3
Food
7.5
Entertainment
7.5
Overall
7.4
Boarding
7.3
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
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.
Traveling to a place near Ljubljana?
Book flights to Ljubljana if you plan to visit one of these locationsKranjska 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 July 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$722 | Average$949 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$907 | Average$1,356 | FlexibilityNo cancel fee | On-time76% |