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Cheap flights from Denver to Slovenia from $427

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
7:20 pm - 8:25 amDEN-LJU
29h 05m1 stop
Turkish Airlines Logo
9:20 am - 5:35 pmLJU-DEN
16h 15m1 stop
$815Turkish Airlines
Find Deal
Thu, Feb 19 - Sat, Feb 28
Turkish Airlines Logo
8:25 pm - 1:00 pmDEN-LJU
32h 35m1 stop
Turkish Airlines Logo
9:40 am - 6:20 pmLJU-DEN
16h 40m1 stop
$841Turkish Airlines
Find Deal
Sat, May 2 - Sun, May 17
Turkish Airlines Logo
8:25 pm - 8:45 amDEN-LJU
28h 20m1 stop
Turkish Airlines Logo
9:40 am - 6:20 pmLJU-DEN
16h 40m1 stop
$842Turkish Airlines
Find Deal
Sat, May 2 - Sun, May 17
Turkish Airlines Logo
8:25 pm - 1:00 pmDEN-LJU
32h 35m1 stop
Turkish Airlines Logo
1:55 pm - 6:20 pmLJU-DEN
36h 25m1 stop
$845Turkish Airlines
Find Deal
Thu, May 21 - Sat, May 30
Multiple Airlines Logo
3:40 pm - 7:30 pmDEN-LJU
19h 50m3 stops
Multiple Airlines Logo
2:55 pm - 6:05 pmLJU-DEN
35h 10m3 stops
$846Multiple Airlines
Find Deal
Wed, Jan 14 - Wed, Jan 21
Lufthansa Logo
5:42 pm - 7:30 pmDEN-LJU
17h 48m2 stops
Lufthansa Logo
6:35 am - 1:40 pmLJU-DEN
15h 05m1 stop
$895Lufthansa
Find Deal
Wed, Jan 14 - Wed, Jan 21
Lufthansa Logo
4:20 pm - 7:30 pmDEN-LJU
19h 10m1 stop
Lufthansa Logo
6:35 am - 1:40 pmLJU-DEN
15h 05m1 stop
$906Lufthansa
Find Deal
Wed, Jan 14 - Wed, Jan 21
British Airways Logo
5:51 pm - 2:15 pmDEN-LJU
36h 24m2 stops
British Airways Logo
9:25 pm - 10:19 pmLJU-DEN
32h 54m2 stops
$920British Airways
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Sat, May 2 - Sun, May 17
British Airways Logo
5:51 pm - 2:15 pmDEN-LJU
36h 24m2 stops
British Airways Logo
9:25 pm - 4:35 pmLJU-DEN
27h 10m1 stop
$923British Airways
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Sat, May 2 - Sun, May 17
Lufthansa Logo
5:42 pm - 7:30 pmDEN-LJU
17h 48m2 stops
Lufthansa Logo
6:35 am - 7:26 pmLJU-DEN
20h 51m2 stops
$929Lufthansa
Find Deal
Wed, Jan 14 - Wed, Jan 21

Turkish Airlines flights from Denver to Slovenia

Our best Turkish Airlines deals on Denver to Slovenia flight tickets
Turkish Airlines
Feb 19
DEN7:20 pmDenver Intl
29h 05m
1 stop
LJU8:25 amLjubljana Joze Pucnik
Feb 28
LJU9:20 amLjubljana Joze Pucnik
16h 15m
1 stop
DEN5:35 pmDenver Intl
$815
Find similar
Turkish Airlines
May 2
DEN8:25 pmDenver Intl
32h 35m
1 stop
LJU1:00 pmLjubljana Joze Pucnik
May 17
LJU9:40 amLjubljana Joze Pucnik
16h 40m
1 stop
DEN6:20 pmDenver Intl
$841
Find similar
Turkish Airlines
May 2
DEN8:25 pmDenver Intl
28h 20m
1 stop
LJU8:45 amLjubljana Joze Pucnik
May 17
LJU9:40 amLjubljana Joze Pucnik
16h 40m
1 stop
DEN6:20 pmDenver Intl
$842
Find similar

Lufthansa flights from Denver to Slovenia

Our best Lufthansa deals on Denver to Slovenia flight tickets
Lufthansa
Jan 14
DEN5:42 pmDenver Intl
17h 48m
2 stops
LJU7:30 pmLjubljana Joze Pucnik
Jan 21
LJU6:35 amLjubljana Joze Pucnik
15h 05m
1 stop
DEN1:40 pmDenver Intl
$895
Find similar
Lufthansa
Jan 14
DEN4:20 pmDenver Intl
19h 10m
1 stop
LJU7:30 pmLjubljana Joze Pucnik
Jan 21
LJU6:35 amLjubljana Joze Pucnik
15h 05m
1 stop
DEN1:40 pmDenver Intl
$906
Find similar
Lufthansa
Jan 14
DEN5:42 pmDenver Intl
17h 48m
2 stops
LJU7:30 pmLjubljana Joze Pucnik
Jan 21
LJU6:35 amLjubljana Joze Pucnik
20h 51m
2 stops
DEN7:26 pmDenver Intl
$929
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 November 29, 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

Thu 2/19

7:20 pm-8:25 am

1 stop29h 05m

Ljubljana Joze Pucnik

Sat 2/28

9:20 am-5:35 pm

1 stop16h 15m

$815

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sat 5/2

8:25 pm-1:00 pm

1 stop32h 35m

Ljubljana Joze Pucnik

Sun 5/17

9:40 am-6:20 pm

1 stop16h 40m

$841

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sat 5/2

8:25 pm-8:45 am

1 stop28h 20m

Ljubljana Joze Pucnik

Sun 5/17

9:40 am-6:20 pm

1 stop16h 40m

$842

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Thu 5/21

8:25 pm-1:00 pm

1 stop32h 35m

Ljubljana Joze Pucnik

Sat 5/30

1:55 pm-6:20 pm

1 stop36h 25m

$845

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Wed 1/14

3:40 pm-7:30 pm

3 stops19h 50m

Ljubljana Joze Pucnik

Wed 1/21

2:55 pm-6:05 pm

3 stops35h 10m

$846

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Wed 1/14

5:42 pm-7:30 pm

2 stops17h 48m

Ljubljana Joze Pucnik

Wed 1/21

6:35 am-1:40 pm

1 stop15h 05m

$895

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Wed 1/14

4:20 pm-7:30 pm

1 stop19h 10m

Ljubljana Joze Pucnik

Wed 1/21

6:35 am-1:40 pm

1 stop15h 05m

$906

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sat 5/2

5:51 pm-2:15 pm

2 stops36h 24m

Ljubljana Joze Pucnik

Sun 5/17

9:25 pm-10:19 pm

2 stops32h 54m

$920

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sat 5/2

5:51 pm-2:15 pm

2 stops36h 24m

Ljubljana Joze Pucnik

Sun 5/17

9:25 pm-4:35 pm

1 stop27h 10m

$923

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Wed 1/14

5:42 pm-7:30 pm

2 stops17h 48m

Ljubljana Joze Pucnik

Wed 1/21

6:35 am-7:26 pm

2 stops20h 51m

$929

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 32% 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

15h 20m

Direct flights

None
The fastest flight from Denver to Slovenia takes 15h 20m
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
4,069 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $907Free CancellationRating
6.8
7,597 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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