$673 Find Cheap Flights from Colorado to Slovenia

1 adult

KAYAK searches hundreds of travel sites at once for deals on flights to Slovenia

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Useful Info
Useful Info

Good to know

Low seasonApril
High seasonSeptember
Cheapest flight$673
Best time to beat the crowds with an average 50% drop in price.
Most popular time to fly and prices are also 21% lower on average.
Flight from Denver to Ljubljana

FAQs for booking flights from Colorado to Slovenia

  • How does KAYAK find such low prices on flights from Colorado to Slovenia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Colorado to Slovenia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado to Slovenia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Colorado to Slovenia is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Colorado to Slovenia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Colorado to Slovenia with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Colorado to Slovenia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Colorado to Slovenia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest day to fly to Slovenia?

    Based on KAYAK data, the cheapest day to fly to Slovenia is Thursday where round-trip tickets can be as cheap as $1,073. On the other hand, the most expensive day to fly is Saturday, where round-trip prices are $1,239 on average.

  • What is the cheapest time of day to fly to Slovenia?

    The cheapest time of day to fly to Slovenia is generally at night, when round-trip flights cost $1,033 on average. Morning departures are around 178% more expensive than evening flights, on average. The most expensive time of day to fly to Slovenia is generally in the morning, which is peak travel time and where the average cost of a ticket is $3,302.

  • How far in advance should I book a flight from Colorado to Slovenia?

    To get a below average price on the flight from Colorado to Slovenia, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 20 weeks before departure.

  • How long is the flight to Slovenia?

    An average nonstop flight from Colorado to Slovenia takes 17h 12m, covering a distance of 5430 miles. The shortest route is Denver (DEN) to Ljubljana (LJU) with an average flight time of 13h 35m.

  • What is the most popular destination in Slovenia?

    Based on KAYAK flight searches, the most popular destination is Ljubljana (100% of total searches to Slovenia).

Book cheap flights from Colorado to Slovenia

Recent round-trip flight deals

8/11Mon
1 stopBritish Airways
13h 35mDEN-LJU
8/18Mon
1 stopBritish Airways
33h 15mLJU-DEN
$673
8/12Tue
2 stopsBritish Airways
18h 30mDEN-LJU
8/19Tue
1 stopBritish Airways
31h 25mLJU-DEN
$701
8/11Mon
2 stopsBritish Airways
23h 17mDEN-LJU
8/18Mon
1 stopBritish Airways
33h 15mLJU-DEN
$702
9/13Sat
1 stopTurkish Airlines
15h 25mDEN-LJU
9/20Sat
1 stopTurkish Airlines
16h 30mLJU-DEN
$709
8/19Tue
2 stops
34h 41mDEN-LJU
8/26Tue
2 stops
21h 39mLJU-DEN
$729
8/31Sun
1 stopTurkish Airlines
28h 40mDEN-LJU
9/7Sun
1 stopTurkish Airlines
16h 30mLJU-DEN
$737
10/14Tue
2 stops
22h 47mDEN-LJU
10/21Tue
2 stops
40h 12mLJU-DEN
$786
8/7Thu
2 stopsFinnair
34h 41mDEN-LJU
8/14Thu
2 stopsFinnair
38h 55mLJU-DEN
$876
10/28Tue
1 stopLufthansa
20h 10mDEN-LJU
11/4Tue
1 stopLufthansa
17h 25mLJU-DEN
$898
8/18Mon
1 stopLufthansa
19h 10mDEN-LJU
8/25Mon
1 stopLufthansa
25h 45mLJU-DEN
$902

Search by stops

Search by airline

Search by price

Recent one-way flight deals

8/28Thu
2 stopsFinnair
34h 41mDEN-LJU
$684
8/28Thu
1 stopLufthansa
19h 10mDEN-LJU
$837

Search by stops

Search by airline

Search by price

Everything you need to know for your flight to Slovenia

Cabin class types available on flights to Colorado

Cabin classes available on flights to Colorado. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to Slovenia
Business Class flights to Slovenia
Prem Econ Class flights to Slovenia
Economy Class flights to Slovenia

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.