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Flights from Denver to Ljubljana

Find cheap airlines flights from Denver to Ljubljana

You can choose from 1 airlines that fly from Denver to Ljubljana, including Turkish Airlines, Lufthansa has lowest fares on this route.
Turkish Airlines logo Turkish Airlines
Airlines are determined based on actual purchased flight tickets from Denver to Ljubljana according to previous 12 months data from Trip.com.

Find flight deals from Denver to Ljubljana for the next 3 months. Book one way flights from $563 or round trip flights from $957.

      • DEN 8:25 PM
        28h 20m
        1 stop
        LJU 8:45 AM
        Denver - Ljubljana | Wed, Aug 5 | Turkish Airlines
        LJU 1:50 PM
        36h 35m
        1 stop
        DEN 6:25 PM
        Ljubljana - Denver | Thu, Aug 13 | Turkish Airlines
        $957 $1,421
        33% off
        33% off
        $1,421 $957
      • DEN 4:15 PM
        12h 20m
        1 stop
        LJU 12:35 PM
        Denver - Ljubljana | Wed, Jul 8 | Lufthansa
        LJU 9:35 AM
        17h 15m
        1 stop
        DEN 6:50 PM
        Ljubljana - Denver | Wed, Jul 15 | United Airlines
        $981 $1,421
        31% off
        31% off
        $1,421 $981
      • DEN 4:15 PM
        12h 20m
        1 stop
        LJU 12:35 PM
        Denver - Ljubljana | Wed, Jul 15 | Lufthansa
        LJU 6:55 AM
        14h 35m
        1 stop
        DEN 1:30 PM
        Ljubljana - Denver | Wed, Jul 22 | United Airlines
        $982 $1,421
        31% off
        31% off
        $1,421 $982
      • DEN 4:15 PM
        12h 20m
        1 stop
        LJU 12:35 PM
        Denver - Ljubljana | Wed, Jul 15 | United Airlines
        LJU 8:05 PM
        25h 40m
        1 stop
        DEN 1:45 PM
        Ljubljana - Denver | Wed, Jul 22 | Lufthansa
        $987
        31% off
        $1,421 $987
      • DEN 4:15 PM
        12h 20m
        1 stop
        LJU 12:35 PM
        Denver - Ljubljana | Wed, Aug 5 | United Airlines
        LJU 8:05 PM
        25h 40m
        1 stop
        DEN 1:45 PM
        Ljubljana - Denver | Wed, Aug 12 | Lufthansa
        $987
        31% off
        $1,421 $987
      • DEN 8:25 PM
        28h 20m
        1 stop
        LJU 8:45 AM
        Denver - Ljubljana | Mon, Aug 3 | Turkish Airlines
        LJU 1:50 PM
        36h 35m
        1 stop
        DEN 6:25 PM
        Ljubljana - Denver | Tue, Aug 11 | Turkish Airlines
        $988
        30% off
        $1,421 $988
      • DEN 4:15 PM
        19h 10m
        1 stop
        LJU 7:25 PM
        Denver - Ljubljana | Tue, Aug 4 | United Airlines
        LJU 8:00 PM
        25h 45m
        1 stop
        DEN 1:45 PM
        Ljubljana - Denver | Wed, Aug 12 | Lufthansa
        $989
        30% off
        $1,421 $989
      • DEN 5:40 PM
        20h 15m
        1 stop
        LJU 9:55 PM
        Denver - Ljubljana | Thu, Jul 16 | Lufthansa
        LJU 1:15 PM
        13h 35m
        1 stop
        DEN 6:50 PM
        Ljubljana - Denver | Thu, Jul 23 | United Airlines
        $994
        30% off
        $1,421 $994
      • DEN 4:15 PM
        12h 20m
        1 stop
        LJU 12:35 PM
        Denver - Ljubljana | Wed, Aug 5 | Lufthansa
        LJU 8:05 PM
        25h 40m
        1 stop
        DEN 1:45 PM
        Ljubljana - Denver | Wed, Aug 12 | Lufthansa
        $1,008
        28% off
        $1,421 $1,008
      • DEN 4:15 PM
        12h 20m
        1 stop
        LJU 12:35 PM
        Denver - Ljubljana | Mon, Jul 6 | Lufthansa
        LJU 9:35 AM
        17h 15m
        1 stop
        DEN 6:50 PM
        Ljubljana - Denver | Mon, Jul 13 | United Airlines
        $1,051
        26% off
        $1,421 $1,051
      • DEN 1:00 PM
        17h 25m
        1 stop
        LJU 2:00 PM
        Denver - Ljubljana | Tue, Jun 9 | Normal Airline
        LJU 3:00 PM
        6h
        Nonstop
        DEN 4:00 PM
        Ljubljana - Denver | Thu, Jun 11 | Normal Airline
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      • DEN 4:15 PM
        19h 10m
        1 stop
        LJU 7:25 PM
        Denver - Ljubljana | Fri, Jul 3 | Lufthansa
        $563 $1,256
        55% off
        55% off
        $1,256 $563
      • DEN 8:25 PM
        28h 20m
        1 stop
        LJU 8:45 AM
        Denver - Ljubljana | Fri, Jul 24 | Turkish Airlines
        $606 $1,256
        52% off
        52% off
        $1,256 $606
      • DEN 6:35 PM
        17h 55m
        1 stop
        LJU 8:30 PM
        Denver - Ljubljana | Fri, Jul 3 | British Airways
        $620 $1,256
        51% off
        51% off
        $1,256 $620
      • DEN 6:35 PM
        16h 50m
        1 stop
        LJU 7:25 PM
        Denver - Ljubljana | Sat, Jul 25 | British Airways
        $621
        51% off
        $1,256 $621
      • DEN 6:35 PM
        17h 55m
        1 stop
        LJU 8:30 PM
        Denver - Ljubljana | Fri, Jul 24 | British Airways
        $628
        50% off
        $1,256 $628
      • DEN 4:15 PM
        19h 10m
        1 stop
        LJU 7:25 PM
        Denver - Ljubljana | Tue, Jul 14 | United Airlines
        $636
        49% off
        $1,256 $636
      • DEN 4:15 PM
        19h 10m
        1 stop
        LJU 7:25 PM
        Denver - Ljubljana | Fri, Jul 3 | United Airlines
        $681
        46% off
        $1,256 $681
      • DEN 5:40 PM
        20h 15m
        1 stop
        LJU 9:55 PM
        Denver - Ljubljana | Thu, Jul 16 | Lufthansa
        $696
        45% off
        $1,256 $696
      • DEN 6:35 PM
        13h 45m
        1 stop
        LJU 4:20 PM
        Denver - Ljubljana | Tue, Jul 14 | British Airways
        $812
        35% off
        $1,256 $812
      • DEN 6:40 PM
        15h
        1 stop
        LJU 5:40 PM
        Denver - Ljubljana | Thu, Jun 18 | British Airways
        $929
        26% off
        $1,256 $929
      • DEN 1:00 PM
        17h 25m
        1 stop
        LJU 2:00 PM
        Denver - Ljubljana | Tue, Jun 9 | Normal Airline
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Displayed flight fares from Denver to Ljubljana are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Denver to Ljubljana

The distance between Denver and Ljubljana is approximately 8,696.41 km. Based on Trip.com's data travel demand peaks in January. The off-season for travel is October.

Cheapest one-way flight price$563
Cheapest round-trip ticket price$957
Off-season for travelOctober
Peak season for travelJanuary
Flight distance8,696.41 km
Popular airlineTurkish Airlines
Flight statistics for the Denver–Ljubljana route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Denver to Ljubljana (DEN-LJU)?

    Based on Trip.com data, Lufthansa offers one-way fares as low as $563 on Cheapest nonstop routes (e.g. DEN to LJU on Fri, Jul 3), while Turkish Airlines offers Cheapest nonstop round-trips from $957 departing on Wed, Aug 5 and returning on Thu, Aug 13.
  • At the moment, several airlines serve connecting flights from Denver to Ljubljana, including: Turkish Airlines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Denver to Ljubljana is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Denver to Ljubljana, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Jul 3, with one-way flights priced at just $563.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Lufthansa.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Ljubljana travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Denver to Ljubljana is October, when demand for travel is lower.
  • After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Denver to Ljubljana on June 17, 2026 with British Airways, with prices starting at $929.
  • You can land at any one of the following hubs in Ljubljana, with Denver International Airport to Ljubljana Joze Pucnik Airport (DEN-LJU) is by far the most common option on this route: Ljubljana Joze Pucnik Airport (LJU).
  • The time difference between Ljubljana and Denver is 8h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.