$438+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LJU
Jun 19 — Jun 261
Round-trip
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.Cheap flight deals from Denver to Ljubljana
Cheapest
Best
Last-minute
One-way
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 May 20, 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 May 20, 2026.
This Gotogate deal was found by Cheapflights users on 5/19. 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.
Thu 9/38:25 pm
DEN
- LJU
1 stop28h 20m
Turkish Airlines
Thu 9/179:40 am
LJU
- DEN
1 stop16h 45m
Turkish Airlines
Deal found 5/19![Turkish Airlines logo]()
$920
This SmartFares deal was found by Cheapflights users on 5/16. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:25 pm
DEN
- LJU
1 stop14h 55m
Turkish Airlines
Sat 9/128:15 pm
LJU
- DEN
1 stop30h 10m
Turkish Airlines
Deal found 5/16![Turkish Airlines logo]()
$922
This Trip.com deal was found by Cheapflights users on 5/20. 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 Trip.com 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
Sat 10/101:50 pm
LJU
- DEN
1 stop36h 35m
Turkish Airlines
Deal found 5/20![Turkish Airlines logo]()
$930
This Turkish Airlines deal was found by Cheapflights users on 5/19. 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 9/198:25 pm
DEN
- LJU
1 stop14h 55m
Turkish Airlines
Sat 10/31:50 pm
LJU
- DEN
1 stop36h 35m
Turkish Airlines
Deal found 5/19![Turkish Airlines logo]()
$939
This SmartFares deal was found by Cheapflights users on 5/17. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:25 pm
DEN
- LJU
1 stop14h 55m
Turkish Airlines
Tue 9/89:40 am
LJU
- DEN
1 stop16h 45m
Turkish Airlines
Deal found 5/17![Turkish Airlines logo]()
$942
This Booking.com deal was found by Cheapflights users on 5/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:25 pm
DEN
- LJU
1 stop14h 55m
Turkish Airlines
Sat 9/58:15 pm
LJU
- DEN
1 stop30h 10m
Turkish Airlines
Deal found 5/18![Turkish Airlines logo]()
$944
This FlightHub deal was found by Cheapflights users on 5/18. 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 10/108:25 pm
DEN
- LJU
1 stop14h 55m
Turkish Airlines
Sun 10/257:35 pm
LJU
- DEN
1 stop30h 00m
Turkish Airlines
Deal found 5/18![Turkish Airlines logo]()
$969
This SmartFares deal was found by Cheapflights users on 5/17. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:00 am
DEN
- LJU
2 stops18h 45m
Turkish Airlines
Wed 9/301:50 pm
LJU
- DEN
1 stop36h 35m
Turkish Airlines
Deal found 5/17![Turkish Airlines logo]()
$979
This FlightHub deal was found by Cheapflights users on 5/18. 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.
Tue 9/224:15 pm
DEN
- LJU
1 stop12h 20m
Multiple Airlines
Wed 10/76:25 am
LJU
- DEN
2 stops24h 43m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$981
This oojo deal was found by Cheapflights users on 5/19. 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 9/25:40 pm
DEN
- LJU
1 stop20h 15m
Lufthansa
Fri 9/186:35 am
LJU
- DEN
1 stop17h 05m
Lufthansa
Deal found 5/19![Lufthansa logo]()
$982
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 May 20, 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 May 20, 2026.
This Turkish Airlines deal was found by Cheapflights users on 5/17. 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 stops46h 55m
Turkish Airlines
Sat 9/128:15 pm
LJU
- DEN
1 stop30h 10m
Turkish Airlines
Deal found 5/17![Turkish Airlines logo]()
$1,034
This Delta deal was found by Cheapflights users on 5/19. 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 8/316:45 am
DEN
- LJU
2 stops23h 05m
Delta
Sat 9/126:00 am
LJU
- DEN
2 stops22h 19m
Delta
Deal found 5/19![Delta logo]()
$1,054
This United Airlines deal was found by Cheapflights users on 5/20. 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 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 stops21h 05m
United Airlines
Sat 9/125:50 am
LJU
- DEN
2 stops25h 18m
United Airlines
Deal found 5/20![United Airlines logo]()
$1,059
This Turkish Airlines deal was found by Cheapflights users on 5/18. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:00 am
DEN
- LJU
2 stops29h 20m
Turkish Airlines
Sat 9/58:15 pm
LJU
- DEN
1 stop30h 10m
Turkish Airlines
Deal found 5/18![Turkish Airlines logo]()
$1,034
This United Airlines deal was found by Cheapflights users on 5/19. 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.
Sat 8/16:00 pm
DEN
- LJU
2 stops34h 35m
United Airlines
Sun 8/99:50 am
LJU
- DEN
2 stops22h 40m
United Airlines
Deal found 5/19![United Airlines logo]()
$1,075
This Turkish Airlines deal was found by Cheapflights users on 5/15. 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
Sun 9/139:40 am
LJU
- DEN
1 stop16h 45m
Turkish Airlines
Deal found 5/15![Turkish Airlines logo]()
$1,034
This United Airlines deal was found by Cheapflights users on 5/19. 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 9/2512:35 pm
DEN
- LJU
2 stops16h 00m
United Airlines
Sun 10/119:50 am
LJU
- DEN
1 stop12h 30m
United Airlines
Deal found 5/19![United Airlines logo]()
$1,108
Last-minute flights from Denver to LjubljanaDiscover last-minute flight deals from Denver to Ljubljana. Data last updated May 20, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Ljubljana. Data last updated May 20, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 5/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/226:10 pm
DEN
- LJU
2 stops42h 25m
British Airways
Wed 10/76:00 pm
LJU
- DEN
1 stop30h 25m
British Airways
Deal found 5/18![British Airways logo]()
$1,788
This Mytrip deal was found by Cheapflights users on 5/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/225:40 pm
DEN
- LJU
3 stops35h 05m
Multiple Airlines
Wed 10/711:00 am
LJU
- DEN
2 stops35h 20m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$1,868
This Mytrip deal was found by Cheapflights users on 5/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/114:40 pm
DEN
- LJU
3 stops32h 10m
Multiple Airlines
Mon 6/291:30 pm
LJU
- DEN
3 stops29h 50m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$1,707
This Booking.com deal was found by Cheapflights users on 5/19. 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.
Wed 6/176:35 pm
DEN
- LJU
1 stop15h 05m
British Airways
Fri 6/269:15 pm
LJU
- DEN
2 stops33h 59m
British Airways
Deal found 5/19![British Airways logo]()
$1,502
This Mytrip deal was found by Cheapflights users on 5/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/174:40 pm
DEN
- LJU
3 stops32h 10m
Multiple Airlines
Fri 6/261:30 pm
LJU
- DEN
3 stops29h 03m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$1,765
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 May 20, 2026.
Search for one-way flight options from Denver to Ljubljana. Find affordable one-way fares based on user searches. Data last updated May 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:40 pm
DEN
- LJU
3 stops36h 40m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$438
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:40 pm
DEN
- LJU
2 stops15h 55m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$459
This KLM deal was found by Cheapflights users on 5/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:40 pm
DEN
- LJU
1 stop33h 40m
KLM
Deal found 5/18![KLM logo]()
$465
This Cheapflightsfares deal was found by Cheapflights users on 5/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/811:25 am
DEN
- LJU
2 stops22h 20m
Brussels Airlines
Deal found 5/18![Brussels Airlines logo]()
$467
This FlightHub deal was found by Cheapflights users on 5/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/117:50 pm
DEN
- LJU
2 stops43h 00m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$468
This oojo deal was found by Cheapflights users on 5/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/212:23 pm
DEN
- LJU
2 stops21h 02m
British Airways
Deal found 5/20![British Airways logo]()
$471
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 May 20, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $920 (Gotogate) |
One-way from | $438 (Kiwi.com) |
Popular in | October |
Cheapest in | February |
Average price | $1,324 |
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 May 20, 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 8/31
6:00 am-12:55 pm
2 stops46h 55m
Ljubljana Joze Pucnik
Sat 9/12
8:15 pm-6:25 pm
1 stop30h 10m
$1,034
DenverLjubljana
DEN - LJU
DENLJU
Denver Intl
Thu 8/27
6:00 am-7:20 pm
2 stops29h 20m
Ljubljana Joze Pucnik
Sat 9/5
8:15 pm-6:25 pm
1 stop30h 10m
$1,034
DenverLjubljana
DEN - LJU
DENLJU
Denver Intl
Wed 9/2
6:00 am-12:55 pm
2 stops46h 55m
Ljubljana Joze Pucnik
Sun 9/13
9:40 am-6:25 pm
1 stop16h 45m
$1,034
DenverLjubljana
DEN - LJU
DENLJU
Denver Intl
Mon 8/31
6:45 am-1:50 pm
2 stops23h 05m
Ljubljana Joze Pucnik
Sat 9/12
6:00 am-8:19 pm
2 stops22h 19m
$1,054
DenverLjubljana
DEN - LJU
DENLJU
Denver Intl
Wed 9/2
8:00 am-1:05 pm
2 stops21h 05m
Ljubljana Joze Pucnik
Sat 9/12
5:50 am-11:08 pm
2 stops25h 18m
$1,059
DenverLjubljana
DEN - LJU
DENLJU
Denver Intl
Sat 8/1
6:00 pm-12:35 pm
2 stops34h 35m
Ljubljana Joze Pucnik
Sun 8/9
9:50 am-12:30 am
2 stops22h 40m
$1,075
Quickest round-trip
DenverLjubljana
DEN - LJU
DENLJU
Denver Intl
Fri 9/25
12:35 pm-12:35 pm
2 stops16h 00m
Ljubljana Joze Pucnik
Sun 10/11
9:50 am-2:20 pm
1 stop12h 30m
$1,108
Cheapest one-way
DenverLjubljana
DEN - LJU
DENLJU
Denver Intl
Tue 9/22
6:30 am-1:50 pm
2 stops23h 20m
$468
DenverLjubljana
DEN - LJU
DENLJU
Denver Intl
Sat 7/18
7:50 pm-1:55 pm
2 stops34h 05m
$468
DenverLjubljana
DEN - LJU
DENLJU
Denver Intl
Sat 7/11
5:40 pm-6:15 pm
1 stop16h 35m
$523
Showing 1-10 of 13 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 May.
| 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 May 20, 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
Overall
7.4
Entertainment
7.5
Food
7.5
Boarding
7.3
Comfort
7.3
Reviews
1 / 20
2.0
MediocreAnonymous,May 2026
DEN - IST
Crew
7.8
Overall
7.4
Entertainment
7.5
Food
7.5
Boarding
7.3
Comfort
7.3
Reviews
1 / 20
2.0
MediocreAnonymous,May 2026
DEN - IST
Crew
7.8
Overall
7.4
Entertainment
7.5
Food
7.5
Boarding
7.3
Comfort
7.3
Reviews
1 / 20
2.0
MediocreAnonymous,May 2026
DEN - 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
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.
Complete your trip
Flights by cabin class
Ljubljana flight routes
Other flight options
Other flights from Denver
Popular flights
Complete your trip
Complete your trip to Ljubljana by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Denver to Ljubljana by cabin class
Find flights from Denver to Ljubljana, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ljubljana
Explore flights to Ljubljana departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 20, 2026.
Denver and Ljubljana flights
Browse other Denver and Ljubljana flight options. Last updated on May 20, 2026.
Other flights from Denver
Browse through other flights departing from Denver. Flights are based on user searches made on Cheapflights and were last updated on May 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 May 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$714 | Average$916 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$907 | Average$1,291 | FlexibilityNo cancel fee | On-time76% |