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Cheap flights from Denver to Slovenia from $344

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 2/18. 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.
Turkish Airlines Logo
8:25 pm - 7:20 pm
DEN
-
LJU
14h 55m
1 stop
Turkish Airlines Logo
8:15 pm - 6:25 pm
LJU
-
DEN
30h 10m
1 stop
$713Turkish Airlines
Tue, Apr 14 - Fri, May 1
British Airways Logo
2:39 pm - 5:15 pm
DEN
-
LJU
18h 36m
2 stops
British Airways Logo
9:15 pm - 4:30 pm
LJU
-
DEN
27h 15m
1 stop
$755British Airways
Tue, Apr 14 - Fri, May 1
British Airways Logo
2:39 pm - 5:15 pm
DEN
-
LJU
18h 36m
2 stops
British Airways Logo
9:15 pm - 7:55 pm
LJU
-
DEN
30h 40m
2 stops
$758British Airways
Tue, Apr 14 - Fri, May 1
Turkish Airlines Logo
8:25 pm - 7:20 pm
DEN
-
LJU
14h 55m
1 stop
Turkish Airlines Logo
9:40 am - 6:25 pm
LJU
-
DEN
16h 45m
1 stop
$816Turkish Airlines
Tue, May 5 - Thu, May 21
Turkish Airlines Logo
8:20 pm - 8:25 am
DEN
-
LJU
29h 05m
1 stop
Turkish Airlines Logo
9:20 am - 6:35 pm
LJU
-
DEN
16h 15m
1 stop
$818Turkish Airlines
Sat, Mar 14 - Fri, Mar 20
Turkish Airlines Logo
8:25 pm - 12:55 pm
DEN
-
LJU
32h 30m
1 stop
Turkish Airlines Logo
9:40 am - 6:25 pm
LJU
-
DEN
16h 45m
1 stop
$821Turkish Airlines
Sat, May 2 - Sun, May 17
British Airways Logo
5:44 pm - 5:40 pm
DEN
-
LJU
39h 56m
2 stops
British Airways Logo
6:25 pm - 10:23 pm
LJU
-
DEN
35h 58m
2 stops
$872British Airways
Tue, May 5 - Thu, May 21
Turkish Airlines Logo
3:20 pm - 6:40 pm
DEN
-
LJU
19h 20m
2 stops
Turkish Airlines Logo
7:35 pm - 5:35 pm
LJU
-
DEN
30h 00m
1 stop
$889Turkish Airlines
Fri, Feb 20 - Wed, Mar 4
Lufthansa Logo
5:20 pm - 12:40 pm
DEN
-
LJU
12h 20m
1 stop
Lufthansa Logo
8:10 pm - 3:35 pm
LJU
-
DEN
26h 25m
1 stop
$898Lufthansa
Mon, Mar 16 - Mon, Mar 23
SWISS Logo
1:25 pm - 10:25 pm
DEN
-
LJU
26h 00m
2 stops
SWISS Logo
3:10 pm - 9:55 pm
LJU
-
DEN
37h 45m
2 stops
$899SWISS
Mon, Mar 16 - Mon, Mar 23

Turkish Airlines flights from Denver to Slovenia

Our best Turkish Airlines deals on Denver to Slovenia flight tickets
Turkish Airlines
Apr 14
DEN8:25 pmDenver Intl
28h 20m
1 stop
LJU8:45 amLjubljana Joze Pucnik
May 1
LJU8:15 pmLjubljana Joze Pucnik
30h 10m
1 stop
DEN6:25 pmDenver Intl
$713
Turkish Airlines
Mar 14
DEN8:20 pmDenver Intl
29h 05m
1 stop
LJU8:25 amLjubljana Joze Pucnik
Mar 18
LJU7:35 pmLjubljana Joze Pucnik
30h 00m
1 stop
DEN6:35 pmDenver Intl
$818
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

British Airways flights from Denver to Slovenia

Our best British Airways deals on Denver to Slovenia flight tickets
British Airways
Apr 14
DEN7:26 amDenver Intl
25h 49m
2 stops
LJU5:15 pmLjubljana Joze Pucnik
May 1
LJU9:15 pmLjubljana Joze Pucnik
27h 15m
1 stop
DEN4:30 pmDenver Intl
$755
British Airways
Apr 14
DEN8:40 amDenver Intl
24h 35m
2 stops
LJU5:15 pmLjubljana Joze Pucnik
May 1
LJU9:15 pmLjubljana Joze Pucnik
34h 44m
2 stops
DEN11:59 pmDenver Intl
$758
British Airways
May 2
DEN2:39 pmDenver Intl
21h 56m
2 stops
LJU8:35 pmLjubljana Joze Pucnik
May 17
LJU9:25 pmLjubljana Joze Pucnik
27h 05m
1 stop
DEN4:30 pmDenver Intl
$960

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 21, 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

Tue 4/14

8:25 pm-7:20 pm

1 stop14h 55m

Ljubljana Joze Pucnik

Fri 5/1

8:15 pm-6:25 pm

1 stop30h 10m

$713

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Tue 4/14

2:39 pm-5:15 pm

2 stops18h 36m

Ljubljana Joze Pucnik

Fri 5/1

9:15 pm-4:30 pm

1 stop27h 15m

$755

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Tue 4/14

2:39 pm-5:15 pm

2 stops18h 36m

Ljubljana Joze Pucnik

Fri 5/1

9:15 pm-7:55 pm

2 stops30h 40m

$758

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Tue 5/5

8:25 pm-7:20 pm

1 stop14h 55m

Ljubljana Joze Pucnik

Thu 5/21

9:40 am-6:25 pm

1 stop16h 45m

$816

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sat 3/14

8:20 pm-8:25 am

1 stop29h 05m

Ljubljana Joze Pucnik

Fri 3/20

9:20 am-6:35 pm

1 stop16h 15m

$818

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

Tue 5/5

5:44 pm-5:40 pm

2 stops39h 56m

Ljubljana Joze Pucnik

Thu 5/21

6:25 pm-10:23 pm

2 stops35h 58m

$872

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Fri 2/20

3:20 pm-6:40 pm

2 stops19h 20m

Ljubljana Joze Pucnik

Wed 3/4

7:35 pm-5:35 pm

1 stop30h 00m

$889

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Mon 3/16

5:20 pm-12:40 pm

1 stop12h 20m

Ljubljana Joze Pucnik

Mon 3/23

8:10 pm-3:35 pm

1 stop26h 25m

$898

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Mon 3/16

1:25 pm-10:25 pm

2 stops26h 00m

Ljubljana Joze Pucnik

Mon 3/23

3:10 pm-9:55 pm

2 stops37h 45m

$899

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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?

Lufthansa 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

14h 55m

Direct flights

None
The fastest flight from Denver to Slovenia takes 14h 55m
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 $599Free CancellationRating
7.3
4,197 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $907Free CancellationRating
6.8
7,736 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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