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Flights from Denver to Ljubljana

Search cheap flights from Denver to Ljubljana in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at US$406, and round-trip tickets start at US$872.

      • DEN 18:40
        13h 40m
        1 stop
        LJU 16:20
        Denver - Ljubljana | Wed, Aug 12 | British Airways
        LJU 17:05
        31h 25m
        1 stop
        DEN 16:30
        Ljubljana - Denver | Thu, Aug 20 | British Airways
        US$872 US$1,294
        33% off
        33% off
        US$1,294 US$872
      • DEN 18:40
        14h 35m
        1 stop
        LJU 17:15
        Denver - Ljubljana | Thu, Aug 13 | British Airways
        LJU 18:00
        30h 30m
        1 stop
        DEN 16:30
        Ljubljana - Denver | Fri, Aug 21 | British Airways
        US$872 US$1,294
        33% off
        33% off
        US$1,294 US$872
      • DEN 18:40
        15h
        1 stop
        LJU 17:40
        Denver - Ljubljana | Fri, Aug 14 | British Airways
        LJU 18:25
        30h 5m
        1 stop
        DEN 16:30
        Ljubljana - Denver | Sat, Aug 22 | British Airways
        US$872 US$1,294
        33% off
        33% off
        US$1,294 US$872
      • DEN 18:40
        14h 35m
        1 stop
        LJU 17:15
        Denver - Ljubljana | Thu, Aug 20 | British Airways
        LJU 17:05
        31h 25m
        1 stop
        DEN 16:30
        Ljubljana - Denver | Thu, Aug 27 | British Airways
        US$911
        30% off
        US$1,294 US$911
      • DEN 20:25
        14h 55m
        1 stop
        LJU 19:20
        Denver - Ljubljana | Thu, Aug 27 | Turkish Airlines
        LJU 13:50
        36h 35m
        1 stop
        DEN 18:25
        Ljubljana - Denver | Fri, Sep 4 | Turkish Airlines
        US$921
        28% off
        US$1,294 US$921
      • DEN 20:25
        14h 55m
        1 stop
        LJU 19:20
        Denver - Ljubljana | Tue, Sep 1 | Turkish Airlines
        LJU 20:15
        30h 10m
        1 stop
        DEN 18:25
        Ljubljana - Denver | Wed, Sep 9 | Turkish Airlines
        US$921
        28% off
        US$1,294 US$921
      • DEN 18:40
        17h 50m
        1 stop
        LJU 20:30
        Denver - Ljubljana | Sat, Aug 15 | British Airways
        LJU 18:25
        30h 5m
        1 stop
        DEN 16:30
        Ljubljana - Denver | Sat, Aug 22 | British Airways
        US$927
        28% off
        US$1,294 US$927
      • DEN 20:25
        28h 20m
        1 stop
        LJU 08:45
        Denver - Ljubljana | Thu, Sep 3 | Turkish Airlines
        LJU 09:40
        16h 45m
        1 stop
        DEN 18:25
        Ljubljana - Denver | Thu, Sep 10 | Turkish Airlines
        US$931
        28% off
        US$1,294 US$931
      • DEN 20:25
        32h 30m
        1 stop
        LJU 12:55
        Denver - Ljubljana | Mon, Sep 7 | Turkish Airlines
        LJU 20:15
        30h 10m
        1 stop
        DEN 18:25
        Ljubljana - Denver | Mon, Sep 14 | Turkish Airlines
        US$931
        28% off
        US$1,294 US$931
      • DEN 20:25
        14h 55m
        1 stop
        LJU 19:20
        Denver - Ljubljana | Thu, Sep 10 | Turkish Airlines
        LJU 09:40
        16h 45m
        1 stop
        DEN 18:25
        Ljubljana - Denver | Thu, Sep 17 | Turkish Airlines
        US$931
        28% off
        US$1,294 US$931
      • DEN 13:00
        17h 25m
        1 stop
        LJU 14:00
        Denver - Ljubljana | Thu, Jul 16 | Normal Airline
        LJU 15:00
        6h
        Nonstop
        DEN 16:00
        Ljubljana - Denver | Sat, Jul 18 | Normal Airline
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      • DEN 18:40
        13h 40m
        1 stop
        LJU 16:20
        Denver - Ljubljana | Wed, Aug 19 | British Airways
        US$406 US$664
        39% off
        39% off
        US$664 US$406
      • DEN 18:40
        15h
        1 stop
        LJU 17:40
        Denver - Ljubljana | Fri, Aug 14 | British Airways
        US$417 US$664
        37% off
        37% off
        US$664 US$417
      • DEN 18:40
        14h 35m
        1 stop
        LJU 17:15
        Denver - Ljubljana | Thu, Aug 13 | British Airways
        US$426 US$664
        36% off
        36% off
        US$664 US$426
      • DEN 18:35
        15h 5m
        1 stop
        LJU 17:40
        Denver - Ljubljana | Fri, Jul 31 | British Airways
        US$429
        35% off
        US$664 US$429
      • DEN 16:15
        12h 20m
        1 stop
        LJU 12:35
        Denver - Ljubljana | Tue, Aug 18 | United Airlines
        US$462
        30% off
        US$664 US$462
      • DEN 18:40
        13h 35m
        1 stop
        LJU 16:15
        Denver - Ljubljana | Mon, Aug 3 | British Airways
        US$464
        30% off
        US$664 US$464
      • DEN 18:40
        17h 50m
        1 stop
        LJU 20:30
        Denver - Ljubljana | Sat, Aug 15 | British Airways
        US$470
        28% off
        US$664 US$470
      • DEN 16:15
        19h 10m
        1 stop
        LJU 19:25
        Denver - Ljubljana | Wed, Aug 19 | Lufthansa
        US$475
        28% off
        US$664 US$475
      • DEN 16:15
        12h 20m
        1 stop
        LJU 12:35
        Denver - Ljubljana | Thu, Aug 13 | United Airlines
        US$477
        28% off
        US$664 US$477
      • DEN 16:15
        12h 20m
        1 stop
        LJU 12:35
        Denver - Ljubljana | Thu, Sep 10 | United Airlines
        US$478
        28% off
        US$664 US$478
      • DEN 13:00
        17h 25m
        1 stop
        LJU 14:00
        Denver - Ljubljana | Thu, Jul 16 | Normal Airline
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Cheapest airlines flights from Denver to Ljubljana

You can choose from 1 airlines that fly from Denver to Ljubljana, including Turkish Airlines, British Airways 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.

Denver to Ljubljana Flight Details

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

Cheapest one-way flight priceUS$406
Cheapest return ticket priceUS$872
Cheapest monthOctober
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, British Airways offers one-way fares as low as US$406 on Cheapest nonstop routes (e.g. DEN to LJU on Wed, Aug 19), while British Airways offers Cheapest nonstop round-trips from US$872 departing on Wed, Aug 12 and returning on Thu, Aug 20.
  • 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 Wed, Aug 19, with one-way flights priced at just US$406.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is British Airways.
    · 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 July flight calendar, it's currently cheapest to fly from Denver to Ljubljana on July 29, 2026 with British Airways, with prices starting at US$429.
  • 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 the estimated lowest prices found in the last 24 hours and include all taxes and fees.

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Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.