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$543+ Cheap flights from Denver (DEN) to Slovenia

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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LJU
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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Cheap flight deals from Denver to Slovenia

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Slovenia (SI0). 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 January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$594
(FlightHub)

One-way from

$543
(Kiwi.com)

Popular in

December

Cheapest in

November
Provider with most accurate pricing for Denver Intl-Ljubljana Joze Pucnik flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Ljubljana Joze Pucnik flights.
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From Denver Intl to Slovenia
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One-way flight from Denver Intl to Slovenia
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Highest demand for flights based on searches. 35% potential increase in price ($752 potential increase over avg. RT price).
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Cheapest flight prices on average. 21% potential price decrease ($238 potential savings vs. average RT price).
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Find flight deals from Denver to Slovenia

Cheapest flights from Denver to Slovenia
Explore the most affordable flight options available from Denver to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 30, 2025.

This FlightHub deal was found by Cheapflights users on 1/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/178:05 pmDEN - LJU
1 stop15h 10mTurkish Airlines
Sun 4/279:25 amLJU - DEN
1 stop16h 45mTurkish Airlines
Deal found 1/30$594
This oojo deal was found by Cheapflights users on 1/29. 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.
Tue 4/224:08 pmDEN - LJU
2 stops17h 07mBritish Airways
Wed 5/76:00 pmLJU - DEN
2 stops29h 51mBritish Airways
Deal found 1/29$977
This Finnair deal was found by Cheapflights users on 1/30. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/224:08 pmDEN - LJU
2 stops32h 32mMultiple Airlines
Wed 5/76:00 pmLJU - DEN
2 stops35h 56mMultiple Airlines
Deal found 1/30$1,026
This Orbitz deal was found by Cheapflights users on 1/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/167:35 amDEN - LJU
2 stops22h 10mIberia
Sun 8/312:25 pmLJU - DEN
2 stops41h 07mIberia
Deal found 1/28$1,040
This Gurufare deal was found by Cheapflights users on 1/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/164:15 pmDEN - LJU
2 stops19h 10mLufthansa
Sun 8/3110:20 amLJU - DEN
1 stop13h 15mLufthansa
Deal found 1/28$1,113
This Delta deal was found by Cheapflights users on 1/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2111:40 amDEN - LJU
2 stops16h 25mDelta
Mon 9/2912:35 pmLJU - DEN
2 stops37h 24mDelta
Deal found 1/29$1,274
This SWISS deal was found by Cheapflights users on 1/28. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/255:50 pmDEN - LJU
1 stop32h 15mSWISS
Tue 7/157:20 pmLJU - DEN
1 stop29h 00mSWISS
Deal found 1/28$1,787
This FlightHub deal was found by Cheapflights users on 1/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2112:53 pmDEN - LJU
2 stops35h 47mFinnair
Sat 9/279:25 amLJU - DEN
2 stops39h 00mFinnair
Deal found 1/29$1,912

Find flights from Denver to Slovenia within your budget

Customize your flight search to find flights from Denver to Slovenia 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 January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Thu 4/17

8:05 pm-7:15 pm

1 stop15h 10m

Ljubljana Joze Pucnik

Sun 4/27

9:25 am-6:10 pm

1 stop16h 45m

$594

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Tue 4/22

4:08 pm-5:15 pm

2 stops17h 07m

Ljubljana Joze Pucnik

Wed 5/7

6:00 pm-3:51 pm

2 stops29h 51m

$977

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Tue 4/22

4:08 pm-8:40 am

2 stops32h 32m

Ljubljana Joze Pucnik

Wed 5/7

6:00 pm-9:56 pm

2 stops35h 56m

$1,026

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Thu 5/8

5:59 pm-10:00 pm

1 stop20h 01m

Ljubljana Joze Pucnik

Thu 5/22

1:20 pm-1:45 pm

1 stop32h 25m

$1,128

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Wed 6/25

5:50 pm-10:05 am

1 stop32h 15m

Ljubljana Joze Pucnik

Tue 7/15

7:20 pm-4:20 pm

1 stop29h 00m

$1,787

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sun 6/29

12:55 am-11:35 am

2 stops26h 40m

Ljubljana Joze Pucnik

Tue 7/15

12:20 pm-9:36 pm

2 stops17h 16m

$1,829

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Mon 7/14

4:40 pm-10:20 am

3 stops33h 40m

$543

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Mon 7/14

6:35 pm-4:10 pm

1 stop13h 35m

$733

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Best time to book a flight from Denver to Slovenia

Have a flexible travel schedule? Discover the best time to fly to Slovenia 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.

Travel insights for flights from Denver to Slovenia

Get recent, data-driven insights about flights from Denver to Slovenia including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from DEN to SI?

Find hourly flight availability from Denver to Slovenia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denver to Slovenia as you normally would.

Rainfall in Slovenia by month

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

In terms of precipitation, rainfall in Slovenia 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 Slovenia when rainfall is around 1.6 in.

Temperature in Slovenia by month

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

If weather is an important factor for your trip to Slovenia, 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 Slovenia

Get insights into the airlines that provide service to Slovenia. 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 Slovenia. Reviews last updated January 30, 2025.
Delta
8.0
Very good
8,454 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

8.0

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
8,454 reviews
Delta
8.0
Very good
8,454 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

8.0

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
1,584 reviews
Delta
8.0
Very good
8,454 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

8.0

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
3,904 reviews
Delta
8.0
Very good
8,454 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

8.0

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.

Lufthansa
6.7
Okay
7,053 reviews
Delta
8.0
Very good
8,454 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

8.0

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.

British Airways
6.6
Okay
6,795 reviews
Delta
8.0
Very good
8,454 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

8.0

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 Slovenia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Denver to Slovenia?

    Most people fly from Denver Intl (DEN) if they book a flight from Denver to Slovenia. Denver Intl is conveniently located just 18.5 mi from Denver’s city center.

  • Can I find deals for flights from Denver to Slovenia that include hotel bookings?

    Yes. In addition to deals on Denver to Slovenia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Slovenia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Slovenia.

  • Can I find deals for business class flights from Denver to Slovenia?

    Yes. Cheapflights offers flight deals from Denver to Slovenia 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 Slovenia?

    Currently, February is the cheapest month in which you can book a flight from Denver to Slovenia (average of $710). Flying from Denver to Slovenia 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

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Alternative routes for Denver to Slovenia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Denver to Slovenia

Discover the top 2 airlines that operate flights from Denver to Slovenia. 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 January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$584Average$668FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$874Average$1,220FlexibilityNo cancel feeOn-time76%
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