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Cheap flights from Denver to Slovenia from $411

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Slovenia departing on 5/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Denver to Slovenia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:35 am - 1:05 pm
DEN
-
LJU
41h 30m2 stops
Multiple Airlines Logo
1:45 pm - 9:46 am
LJU
-
DEN
28h 01m2 stops
$774Multiple Airlines
Wed, Feb 4 - Wed, Feb 18
Turkish Airlines Logo
8:25 pm - 7:20 pm
DEN
-
LJU
14h 55m1 stop
Turkish Airlines Logo
9:40 am - 6:25 pm
LJU
-
DEN
16h 45m1 stop
$812Turkish Airlines
Thu, May 14 - Sun, May 24
British Airways Logo
5:15 pm - 8:35 pm
DEN
-
LJU
43h 20m2 stops
British Airways Logo
9:25 pm - 10:40 pm
LJU
-
DEN
33h 15m2 stops
$815British Airways
Fri, Apr 24 - Sun, May 3
British Airways Logo
5:15 pm - 8:35 pm
DEN
-
LJU
43h 20m2 stops
British Airways Logo
9:25 pm - 4:30 pm
LJU
-
DEN
27h 05m1 stop
$817British Airways
Fri, Apr 24 - Sun, May 3
Turkish Airlines Logo
8:25 pm - 12:55 pm
DEN
-
LJU
32h 30m1 stop
Turkish Airlines Logo
9:40 am - 6:25 pm
LJU
-
DEN
16h 45m1 stop
$821Turkish Airlines
Sat, May 2 - Sun, May 17
Turkish Airlines Logo
8:25 pm - 12:55 pm
DEN
-
LJU
32h 30m1 stop
Turkish Airlines Logo
9:40 am - 6:25 pm
LJU
-
DEN
16h 45m1 stop
$824Turkish Airlines
Sat, May 2 - Sun, May 17
Turkish Airlines Logo
8:20 pm - 6:40 pm
DEN
-
LJU
15h 20m1 stop
Turkish Airlines Logo
9:20 am - 6:35 pm
LJU
-
DEN
16h 15m1 stop
$832Turkish Airlines
Tue, Mar 17 - Tue, Mar 24
Turkish Airlines Logo
7:20 pm - 6:40 pm
DEN
-
LJU
15h 20m1 stop
Turkish Airlines Logo
9:20 am - 5:35 pm
LJU
-
DEN
16h 15m1 stop
$835Turkish Airlines
Tue, Feb 3 - Thu, Feb 19
SWISS Logo
5:35 pm - 10:25 pm
DEN
-
LJU
20h 50m2 stops
SWISS Logo
6:30 am - 9:55 pm
LJU
-
DEN
22h 25m2 stops
$853SWISS
Sun, Mar 1 - Tue, Mar 17
Multiple Airlines Logo
11:15 am - 10:15 pm
DEN
-
LJU
27h 00m3 stops
Multiple Airlines Logo
1:40 pm - 2:35 pm
LJU
-
DEN
32h 55m3 stops
$862Multiple Airlines
Wed, Feb 4 - Wed, Feb 11

Turkish Airlines flights from Denver to Slovenia

Our best Turkish Airlines deals on Denver to Slovenia flight tickets
Turkish Airlines
May 14
DEN8:25 pmDenver Intl
14h 55m
1 stop
LJU7:20 pmLjubljana Joze Pucnik
May 24
LJU9:40 amLjubljana Joze Pucnik
16h 45m
1 stop
DEN6:25 pmDenver Intl
$812
Turkish Airlines
May 16
DEN8:25 pmDenver Intl
14h 55m
1 stop
LJU7:20 pmLjubljana Joze Pucnik
May 27
LJU1:50 pmLjubljana Joze Pucnik
36h 35m
1 stop
DEN6:25 pmDenver Intl
$817
Turkish Airlines
May 2
DEN8:25 pmDenver Intl
32h 30m
1 stop
LJU12:55 pmLjubljana Joze Pucnik
May 17
LJU9:40 amLjubljana Joze Pucnik
16h 45m
1 stop
DEN6:25 pmDenver Intl
$821

Lufthansa flights from Denver to Slovenia

Our best Lufthansa deals on Denver to Slovenia flight tickets
Lufthansa
Mar 16
DEN5:20 pmDenver Intl
12h 20m
1 stop
LJU12:40 pmLjubljana Joze Pucnik
Mar 24
LJU10:35 amLjubljana Joze Pucnik
13h 25m
1 stop
DEN5:00 pmDenver Intl
$874
Lufthansa
Mar 1
DEN8:20 pmDenver Intl
15h 10m
1 stop
LJU7:30 pmLjubljana Joze Pucnik
Mar 17
LJU6:35 amLjubljana Joze Pucnik
17h 25m
1 stop
DEN5:00 pmDenver Intl
$880
Lufthansa
Mar 16
DEN5:20 pmDenver Intl
12h 20m
1 stop
LJU12:40 pmLjubljana Joze Pucnik
Mar 25
LJU6:35 amLjubljana Joze Pucnik
17h 25m
1 stop
DEN5:00 pmDenver Intl
$887

momondo Fare Finder

 
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, momondo users made 832,500 searches. Data last updated January 8, 2026.
Use the filters below to find and compare flights from Denver to Slovenia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Wed 2/4

11:35 am-1:05 pm

2 stops41h 30m

Ljubljana Joze Pucnik

Wed 2/18

1:45 pm-9:46 am

2 stops28h 01m

$774

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Thu 5/14

8:25 pm-7:20 pm

1 stop14h 55m

Ljubljana Joze Pucnik

Sun 5/24

9:40 am-6:25 pm

1 stop16h 45m

$812

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Fri 4/24

5:15 pm-8:35 pm

2 stops43h 20m

Ljubljana Joze Pucnik

Sun 5/3

9:25 pm-10:40 pm

2 stops33h 15m

$815

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Fri 4/24

5:15 pm-8:35 pm

2 stops43h 20m

Ljubljana Joze Pucnik

Sun 5/3

9:25 pm-4:30 pm

1 stop27h 05m

$817

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sat 5/2

8:25 pm-12:55 pm

1 stop32h 30m

Ljubljana Joze Pucnik

Sun 5/17

9:40 am-6:25 pm

1 stop16h 45m

$821

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sat 5/2

8:25 pm-12:55 pm

1 stop32h 30m

Ljubljana Joze Pucnik

Sun 5/17

9:40 am-6:25 pm

1 stop16h 45m

$824

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Tue 3/17

8:20 pm-6:40 pm

1 stop15h 20m

Ljubljana Joze Pucnik

Tue 3/24

9:20 am-6:35 pm

1 stop16h 15m

$832

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Tue 2/3

7:20 pm-6:40 pm

1 stop15h 20m

Ljubljana Joze Pucnik

Thu 2/19

9:20 am-5:35 pm

1 stop16h 15m

$835

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sun 3/1

5:35 pm-10:25 pm

2 stops20h 50m

Ljubljana Joze Pucnik

Tue 3/17

6:30 am-9:55 pm

2 stops22h 25m

$853

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Wed 2/4

11:15 am-10:15 pm

3 stops27h 00m

Ljubljana Joze Pucnik

Wed 2/11

1:40 pm-2:35 pm

3 stops32h 55m

$862

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Slovenia from

How to get the cheapest flight ticket from Denver to Slovenia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Denver Intl to Slovenia?

British Airways is the most popular carrier operating from Denver Intl to Slovenia

Cheap Denver to Slovenia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Slovenia

Fastest flight time

20h 50m

Direct flights

None
The fastest flight from Denver to Slovenia takes 20h 50m
There are no direct flights from Denver to Slovenia. There are no popular flight routes from Denver to Slovenia.
Search flight deals

  • When did momondo last update prices for flights from Denver Intl Airport to Slovenia?

    Prices for flights from Denver Intl Airport to Slovenia were last updated today.

  • How many operators does momondo search for flights from Denver Intl Airport to Slovenia?

  • How old do you have to be to fly from Denver Intl Airport to Slovenia?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denver Intl Airport to Slovenia.

  • What documentation or ID do you need to fly to Slovenia?

    The required travel and health documents for your Slovenia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Slovenia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Denver to Slovenia

Compare and see reviews for airlines that fly from Denver to Slovenia with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $598Free CancellationRating
7.3
4,150 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $907Free CancellationRating
6.8
7,694 reviews
Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Slovenia?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Denver to Slovenia for you.

Can I find flights from Denver to Slovenia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Denver to Slovenia flights to just show those with flexible booking policies.

How can momondo help me find flights from Denver to Slovenia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Slovenia from Denver.

I’m not ready to book a flight from Denver to Slovenia right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Denver to Slovenia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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