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Cheap flights from Denver (DEN) to Ljubljana (LJU) from $939

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 10/17. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
DEN — LJU
Jun 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
1 adult, Economy
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The best prices from Denver Intl to Ljubljana Joze Pucnik are usually found in February or January, booked 12 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap 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 June 2, 2024.

Popular in

June

Cheapest in

February

Average price

$1,630

Round-trip from

$550
High demand for flights, 30% potential price rise
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Best time to find cheap flights, 32% potential price drop
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Average for round-trip flights in June 2024
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From Denver Intl to Ljubljana Joze Pucnik
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What is the cheapest day to fly round-trip from Denver to Ljubljana?

Monday is generally a great day to depart. Flying on this day could help you save up to 35%.

How far in advance should I book a flight from Denver to Ljubljana?

Users have found that booking a flight from Denver to Ljubljana at least 13 days early can save you up to 31% on average compared to booking a flight this week. If booking 13 days before your flight isn’t an option for you, users have found flights from Denver to Ljubljana for as little as $476 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $627 for flights departing within the next 3 days.

What is the cheapest month to fly from Denver to Ljubljana?

February can be a great time to fly to Ljubljana from Denver with a flight ticket averaging about $1,136. Cheapflights users have found deals in the month of February for as cheap as $769. The most expensive prices can be found in the month of June.

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

It’s optimal to fly from Denver to Ljubljana in the afternoon. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight in the evening.

Cheap Lufthansa flights from Denver to Ljubljana

Explore cheap flight options specifically provided by Lufthansa for the route between Denver and Ljubljana. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Check out some of the cheapest Lufthansa flights we've come across from Denver to Ljubljana. It's recommended that users confirm their flight details before booking.
Thu 10/174:05 pmDEN - LJU
1 stop12h 20mLufthansa
Sat 10/2611:10 amLJU - DEN
1 stop12h 30mLufthansa
Deal found 6/1$939
Mon 9/164:05 pmDEN - LJU
1 stop12h 20mLufthansa
Tue 10/17:40 pmLJU - DEN
1 stop26h 40mLufthansa
Deal found 6/1$981
Tue 9/174:05 pmDEN - LJU
1 stop19h 05mLufthansa
Thu 9/261:00 pmLJU - DEN
2 stops18h 59mLufthansa
Deal found 6/1$983
Mon 9/167:10 pmDEN - LJU
2 stops40h 00mLufthansa
Tue 10/17:40 pmLJU - DEN
2 stops28h 37mLufthansa
Deal found 5/31$1,038
Thu 10/175:35 pmDEN - LJU
2 stops17h 30mLufthansa
Sat 10/266:25 amLJU - DEN
2 stops25h 34mLufthansa
Deal found 6/1$1,044
Fri 9/134:25 pmDEN - LJU
2 stops18h 40mLufthansa
Sun 9/227:40 pmLJU - DEN
1 stop26h 40mLufthansa
Deal found 5/31$1,094
Thu 8/14:05 pmDEN - LJU
2 stops21h 55mLufthansa
Sat 8/317:40 pmLJU - DEN
1 stop26h 40mLufthansa
Deal found 6/1$1,144
Tue 6/254:05 pmDEN - LJU
1 stop12h 20mLufthansa
Tue 7/27:05 amLJU - DEN
2 stops17h 18mLufthansa
Deal found 6/1$1,445
Wed 6/264:05 pmDEN - LJU
1 stop12h 20mLufthansa
Mon 7/17:40 pmLJU - DEN
1 stop26h 40mLufthansa
Deal found 6/1$1,498

Cheap Delta flights from Denver to Ljubljana

Explore cheap flight options specifically provided by Delta for the route between Denver and Ljubljana. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Browse through some of the cheapest Delta flights traveling from Denver to Ljubljana. Make sure to examine the flight information before completing your reservation.
Thu 10/176:00 amDEN - LJU
2 stops25h 05mDelta
Sat 10/263:50 pmLJU - DEN
1 stop32h 50mDelta
Deal found 6/1$951
Thu 8/110:25 amDEN - LJU
2 stops20h 40mDelta
Sat 8/313:50 pmLJU - DEN
2 stops28h 12mDelta
Deal found 6/1$1,100
Thu 8/19:50 amDEN - LJU
2 stops21h 15mDelta
Fri 8/96:40 amLJU - DEN
2 stops24h 32mDelta
Deal found 6/1$1,205
Wed 6/265:45 pmDEN - LJU
1 stop13h 20mDelta
Wed 7/33:50 pmLJU - DEN
2 stops26h 40mDelta
Deal found 6/1$1,305
Sun 6/235:45 pmDEN - LJU
1 stop13h 20mDelta
Tue 7/93:50 pmLJU - DEN
1 stop31h 45mDelta
Deal found 6/1$1,307
Mon 6/246:00 amDEN - LJU
2 stops25h 05mDelta
Wed 7/33:50 pmLJU - DEN
2 stops26h 40mDelta
Deal found 6/1$1,310
Sun 6/2311:04 amDEN - LJU
2 stops20h 01mDelta
Tue 7/93:50 pmLJU - DEN
1 stop31h 45mDelta
Deal found 6/1$1,311
Mon 6/245:45 pmDEN - LJU
1 stop13h 20mDelta
Mon 7/13:50 pmLJU - DEN
2 stops36h 16mDelta
Deal found 6/1$1,316
Mon 6/249:08 amDEN - LJU
2 stops21h 57mDelta
Mon 7/13:50 pmLJU - DEN
2 stops36h 16mDelta
Deal found 6/1$1,321

Cheap Denver to Ljubljana flights in June & July 2024

Find cheap flight options from Denver to Ljubljana specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,810,401 searches. Prices were last updated on June 2, 2024.
The lowest fares we've come across on flights traveling from Denver to Ljubljana in June and July 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Mon 6/246:35 pmDEN - LJU
1 stop13h 40mBritish Airways
Thu 7/46:55 pmLJU - DEN
2 stops34h 14mBritish Airways
Deal found 6/1$1,087
Wed 6/264:00 pmDEN - LJU
2 stops18h 10mBritish Airways
Wed 7/35:55 pmLJU - DEN
2 stops35h 28mBritish Airways
Deal found 6/1$1,091
Wed 6/264:00 pmDEN - LJU
2 stops18h 10mBritish Airways
Mon 7/13:15 pmLJU - DEN
2 stops40h 44mBritish Airways
Deal found 6/1$1,182
Tue 6/257:35 pmDEN - LJU
1 stop15h 35mTurkish Airlines
Wed 7/38:05 pmLJU - DEN
1 stop29h 35mTurkish Airlines
Deal found 6/1$1,187
Tue 6/257:05 pmDEN - LJU
2 stops39h 35mMultiple Airlines
Fri 6/288:50 amLJU - DEN
1 stop16h 50mMultiple Airlines
Deal found 6/1$1,197
Thu 6/277:35 pmDEN - LJU
1 stop15h 35mTurkish Airlines
Mon 7/18:05 pmLJU - DEN
1 stop29h 35mTurkish Airlines
Deal found 6/1$1,202
Thu 6/272:47 pmDEN - LJU
2 stops19h 58mBritish Airways
Thu 7/46:55 pmLJU - DEN
2 stops34h 14mBritish Airways
Deal found 6/1$1,204
Fri 6/287:35 pmDEN - LJU
1 stop15h 35mTurkish Airlines
Tue 7/28:50 amLJU - DEN
1 stop16h 50mTurkish Airlines
Deal found 6/1$1,211
Wed 6/268:53 amDEN - LJU
2 stops25h 17mBritish Airways
Sun 6/309:25 pmLJU - DEN
2 stops32h 34mBritish Airways
Deal found 6/1$1,232

Denver to Ljubljana 2024 flight deals

Discover exclusive flight deals for travel between Denver and Ljubljana in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
The lowest fares we've come across on flights traveling from Denver to Ljubljana in June and July 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Thu 10/174:05 pmDEN - LJU
1 stop12h 20mLufthansa
Sat 10/2611:10 amLJU - DEN
1 stop12h 30mLufthansa
Deal found 6/1$939
Thu 10/176:00 amDEN - LJU
2 stops25h 05mDelta
Sat 10/263:50 pmLJU - DEN
1 stop32h 50mDelta
Deal found 6/1$951
Fri 9/137:35 pmDEN - LJU
1 stop28h 20mTurkish Airlines
Sun 9/228:50 amLJU - DEN
1 stop16h 50mTurkish Airlines
Deal found 6/1$964
Mon 9/164:05 pmDEN - LJU
1 stop12h 20mLufthansa
Tue 10/17:40 pmLJU - DEN
1 stop26h 40mLufthansa
Deal found 6/1$981
Tue 9/177:45 amDEN - LJU
2 stops18h 10mMultiple Airlines
Thu 9/2610:40 amLJU - DEN
2 stops20h 06mMultiple Airlines
Deal found 6/1$982
Tue 9/174:05 pmDEN - LJU
1 stop19h 05mLufthansa
Thu 9/261:00 pmLJU - DEN
2 stops18h 59mLufthansa
Deal found 6/1$983
Thu 8/17:35 pmDEN - LJU
1 stop28h 20mTurkish Airlines
Sat 8/318:05 pmLJU - DEN
1 stop29h 35mTurkish Airlines
Deal found 6/1$986
Wed 9/1812:20 pmDEN - LJU
2 stops18h 45mKLM
Fri 9/279:00 amLJU - DEN
2 stops20h 32mKLM
Deal found 6/1$1,002
Fri 9/1312:02 pmDEN - LJU
2 stops17h 23mMultiple Airlines
Sun 9/226:55 amLJU - DEN
2 stops24h 11mMultiple Airlines
Deal found 6/1$1,022

One-way flights to Ljubljana from Denver

Search for one-way flight options from Denver to Ljubljana. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Some of the best available deals we've found on one-way flights from Denver to Ljubljana. Users needing a return flight from Denver to Ljubljana should utilize the search form above.
Sat 6/226:35 pmDEN - LJU
1 stop18h 05mBritish Airways
Deal found 6/2$980
Sun 6/239:29 amDEN - LJU
2 stops28h 41mMultiple Airlines
Deal found 6/1$1,086
Sat 6/222:47 pmDEN - LJU
2 stops21h 53mBritish Airways
Deal found 6/2$1,110
Sun 6/235:55 pmDEN - LJU
1 stop16h 35mSWISS
Deal found 6/2$1,145
Sat 6/224:05 pmDEN - LJU
1 stop12h 20mLufthansa
Deal found 6/1$1,246
Sun 6/2312:32 pmDEN - LJU
3 stops17h 53mMultiple Airlines
Deal found 6/1$2,332

Find flights from Denver to Ljubljana within your budget

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 2,810,401 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$939 - $1,286

Route

Depart

Return

Price

Denver IntlLjubljana Joze Pucnik

DEN - LJU

DENLJU

Denver Intl

Thu 10/17

1 stop12h 20m

Ljubljana Joze Pucnik

Sat 10/26

1 stop12h 30m

$939

Denver IntlLjubljana Joze Pucnik

DEN - LJU

DENLJU

Denver Intl

Thu 10/17

2 stops25h 05m

Ljubljana Joze Pucnik

Sat 10/26

1 stop32h 50m

$951

Denver IntlLjubljana Joze Pucnik

DEN - LJU

DENLJU

Denver Intl

Fri 9/13

1 stop28h 20m

Ljubljana Joze Pucnik

Sun 9/22

1 stop16h 50m

$964

Denver IntlLjubljana Joze Pucnik

DEN - LJU

DENLJU

Denver Intl

Mon 9/16

1 stop12h 20m

Ljubljana Joze Pucnik

Tue 10/1

1 stop26h 40m

$981

Denver IntlLjubljana Joze Pucnik

DEN - LJU

DENLJU

Denver Intl

Tue 9/17

2 stops18h 10m

Ljubljana Joze Pucnik

Thu 9/26

2 stops20h 06m

$982

Denver IntlLjubljana Joze Pucnik

DEN - LJU

DENLJU

Denver Intl

Thu 8/1

1 stop28h 20m

Ljubljana Joze Pucnik

Sat 8/31

1 stop29h 35m

$986

Denver IntlLjubljana Joze Pucnik

DEN - LJU

DENLJU

Denver Intl

Wed 9/18

2 stops18h 45m

Ljubljana Joze Pucnik

Fri 9/27

2 stops20h 32m

$1,002

Denver IntlLjubljana Joze Pucnik

DEN - LJU

DENLJU

Denver Intl

Mon 6/24

1 stop13h 40m

Ljubljana Joze Pucnik

Wed 7/3

2 stops35h 28m

$1,087

Denver IntlLjubljana Joze Pucnik

DEN - LJU

DENLJU

Denver Intl

Mon 6/24

1 stop32h 00m

Ljubljana Joze Pucnik

Wed 7/3

1 stop13h 45m

$1,286

Flights are sorted by cheapest first

Deals found on 6/1

How far ahead should I book a flight from Denver to Ljubljana?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Ljubljana. Price data was last updated on May 31, 2024.
The price you pay for your flight from Denver to Ljubljana may vary depending on when you book. For the best chance of a lower fare, look to book 12 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

What is the cheapest day to fly from Denver to Ljubljana?

Use this chart to determine the cheapest time to fly round-trip from Denver to Ljubljana. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Denver to Ljubljana flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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.

Temperature and rainfall in Ljubljana by month

Plan your trip to Ljubljana by taking into account the average temperature and rainfall totals by month.

LJU

Temperature

30.2 - 66.2 °F

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 June 2, 2024.
Read through reviews of airlines operating flights from Denver to Ljubljana, such as Lufthansa, Delta and Turkish Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,410 reviews
Check prices

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,410 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

KLM
7.9
Good
1,507 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Finnair
7.8
Good
1,368 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

SWISS
7.8
Good
1,940 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Turkish Airlines
7.4
Good
3,711 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

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.

  • Can I find flights from Denver to Ljubljana for under $1,000 on Cheapflights?

    Yes, there are multiple flights from Denver to Ljubljana for under $1,000. The cheapest flight booked recently is on Lufthansa for just $939, but on average you can expect to pay $1,042.

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

    Cheapflights users have booked flights from Denver to Ljubljana round-trip from $939. Other airlines that can offer you cheap pricing are Delta, from $951, and Turkish Airlines, from $964. You may be able to fly from Denver to Ljubljana for 17% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Denver to Ljubljana one-way?

    $980 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on SWISS and Lufthansa, with prices starting from $1,145 and $1,246, respectively.

  • What does DEN to LJU mean?

    Denver Intl Airport is DEN and Ljubljana Joze Pucnik Airport is LJU. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Denver to Ljubljana that include extra baggage allowance?

    The amount of baggage you can bring on your Denver to Ljubljana flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Denver to Ljubljana with specific airlines?

    Yes, Cheapflights allows you to browse and filter Denver to Ljubljana flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by 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.

  • Can I find deals for flights from Denver to Ljubljana that allow pets onboard?

    Many airlines flying from Denver to Ljubljana offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Denver to Ljubljana?

    Yes, you can often find last-minute deals on Denver to Ljubljana flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Denver to Ljubljana flight deals updated?

    The Denver to Ljubljana flight deals you see on this page were last updated on 6/1.

  • What are the most popular airlines that fly from Denver to Ljubljana?

    The most popular airlines flying from Denver to Ljubljana are Air France, Lufthansa and SWISS. Something to consider prior to booking your flight.

  • What is the cheapest month to book a flight from Denver to Ljubljana?

    Currently, December is the cheapest month in which you can book a flight from Denver to Ljubljana (average of $550). Flying from Denver to Ljubljana in June is currently the most expensive (average of $1,563). 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 Ljubljana
See prices for flight routes from nearby airports that may be better suited for you.

Colorado Springs to Ljubljana flights

Top 3 airlines flying from Denver to Ljubljana

Discover the top 3 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 2,810,401 searches. Data last updated June 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$814Average$1,211FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
SWISSCheapest$896Average$1,258FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air FranceCheapest$1,101Average$1,106FlexibilityNo cancel feeOn-time77%
Search Air France flights
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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.
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Fly with Cheapflights

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How does Cheapflights help users find flights from Denver to Ljubljana?

When you search for this flight from Denver to Ljubljana, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Denver to Ljubljana?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ljubljana from Denver.

Can Cheapflights find flights from Denver to Ljubljana with no change fees?

Certainly. Search results for flights to Ljubljana from Denver shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Denver to Ljubljana become cheaper?

Yes! Start tracking prices for Denver to Ljubljana flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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