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Cheap flights from Denver to Slovenia from $400

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 1/8. 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.
British Airways Logo
6:40 pm - 5:15 pm
DEN
-
LJU
14h 35m1 stop
British Airways Logo
6:00 pm - 4:30 pm
LJU
-
DEN
30h 30m1 stop
$798British Airways
Tue, Apr 28 - Wed, May 6
Turkish Airlines Logo
8:20 pm - 6:40 pm
DEN
-
LJU
15h 20m1 stop
Turkish Airlines Logo
1:50 pm - 6:25 pm
LJU
-
DEN
36h 35m1 stop
$822Turkish Airlines
Fri, Mar 27 - Sat, Apr 4
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
$839Turkish 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
$847Turkish Airlines
Sat, May 2 - Sun, May 17
British Airways Logo
6:40 pm - 8:20 pm
DEN
-
LJU
17h 40m1 stop
British Airways Logo
7:00 pm - 4:30 pm
LJU
-
DEN
29h 30m1 stop
$848British Airways
Thu, Apr 23 - Thu, Apr 30
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
$852Turkish Airlines
Sun, Apr 26 - Sun, May 3
Turkish Airlines Logo
8:20 pm - 6:40 pm
DEN
-
LJU
15h 20m1 stop
Turkish Airlines Logo
9:40 am - 6:25 pm
LJU
-
DEN
16h 45m1 stop
$853Turkish Airlines
Thu, Mar 26 - Sat, Apr 4
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
$863Turkish Airlines
Sat, Apr 25 - Sat, May 2
SWISS Logo
11:15 am - 2:20 pm
DEN
-
LJU
19h 05m2 stops
SWISS Logo
3:10 pm - 7:48 pm
LJU
-
DEN
36h 38m2 stops
$865SWISS
Sun, Feb 15 - Mon, Mar 2
Multiple Airlines Logo
7:36 am - 2:15 pm
DEN
-
LJU
22h 39m2 stops
Multiple Airlines Logo
9:25 pm - 7:53 pm
LJU
-
DEN
30h 28m2 stops
$872Multiple Airlines
Sun, Apr 26 - Sun, May 3

British Airways flights from Denver to Slovenia

Our best British Airways deals on Denver to Slovenia flight tickets
British Airways
Apr 28
DEN6:40 pmDenver Intl
14h 35m
1 stop
LJU5:15 pmLjubljana Joze Pucnik
May 6
LJU6:00 pmLjubljana Joze Pucnik
30h 30m
1 stop
DEN4:30 pmDenver Intl
$798
Find similar
British Airways
Apr 23
DEN6:40 pmDenver Intl
17h 40m
1 stop
LJU8:20 pmLjubljana Joze Pucnik
Apr 30
LJU7:00 pmLjubljana Joze Pucnik
29h 30m
1 stop
DEN4:30 pmDenver Intl
$848
Find similar
British Airways
Apr 26
DEN12:43 pmDenver Intl
17h 32m
2 stops
LJU2:15 pmLjubljana Joze Pucnik
May 4
LJU3:10 pmLjubljana Joze Pucnik
33h 20m
1 stop
DEN4:30 pmDenver Intl
$886
Find similar

Lufthansa flights from Denver to Slovenia

Our best Lufthansa deals on Denver to Slovenia flight tickets
Lufthansa
Apr 26
DEN8:25 pmDenver Intl
15h 00m
1 stop
LJU7:25 pmLjubljana Joze Pucnik
May 5
LJU6:35 amLjubljana Joze Pucnik
17h 05m
1 stop
DEN3:40 pmDenver Intl
$891
Find similar
Lufthansa
Apr 27
DEN4:05 pmDenver Intl
19h 20m
1 stop
LJU7:25 pmLjubljana Joze Pucnik
May 4
LJU8:00 pmLjubljana Joze Pucnik
26h 20m
1 stop
DEN2:20 pmDenver Intl
$893
Find similar
Lufthansa
Apr 27
DEN4:15 pmDenver Intl
19h 10m
2 stops
LJU7:25 pmLjubljana Joze Pucnik
May 6
LJU6:25 amLjubljana Joze Pucnik
15h 10m
1 stop
DEN1:35 pmDenver Intl
$895
Find similar

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 December 23, 2025.
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 4/28

6:40 pm-5:15 pm

1 stop14h 35m

Ljubljana Joze Pucnik

Wed 5/6

6:00 pm-4:30 pm

1 stop30h 30m

$798

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Fri 3/27

8:20 pm-6:40 pm

1 stop15h 20m

Ljubljana Joze Pucnik

Sat 4/4

1:50 pm-6:25 pm

1 stop36h 35m

$822

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

$839

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

$847

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Thu 4/23

6:40 pm-8:20 pm

1 stop17h 40m

Ljubljana Joze Pucnik

Thu 4/30

7:00 pm-4:30 pm

1 stop29h 30m

$848

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sun 4/26

8:25 pm-7:20 pm

1 stop14h 55m

Ljubljana Joze Pucnik

Sun 5/3

9:40 am-6:25 pm

1 stop16h 45m

$852

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Thu 3/26

8:20 pm-6:40 pm

1 stop15h 20m

Ljubljana Joze Pucnik

Sat 4/4

9:40 am-6:25 pm

1 stop16h 45m

$853

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sat 4/25

8:25 pm-7:20 pm

1 stop14h 55m

Ljubljana Joze Pucnik

Sat 5/2

9:40 am-6:25 pm

1 stop16h 45m

$863

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sun 2/15

11:15 am-2:20 pm

2 stops19h 05m

Ljubljana Joze Pucnik

Mon 3/2

3:10 pm-7:48 pm

2 stops36h 38m

$865

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sun 4/26

7:36 am-2:15 pm

2 stops22h 39m

Ljubljana Joze Pucnik

Sun 5/3

9:25 pm-7:53 pm

2 stops30h 28m

$872

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 day to depart on your flight to Slovenia?

According to our data, Thursday is the cheapest day to fly to Slovenia from Denver. The lowest ticket price found for a Thursday departure recently was $1,073. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Slovenia on Saturday is $1,239.

What is the cheapest time of day to depart on your flight to Slovenia?

In the evening is the cheapest time of day to fly from Denver to Slovenia when you can find flight prices for as low as $1,033. Flying to Slovenia in the evening is an ideal time because this is during off-peak travel hours. Flights to Slovenia are more costly in the morning, with an average ticket price of $3,302. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Denver to Slovenia flights?

You could potentially save up to 4% on your flight if you consider stops on a Denver to Slovenia flight.

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 $598Free CancellationRating
7.3
4,112 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $907Free CancellationRating
6.8
7,649 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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