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Cheap flights from Denver to Slovenia from $449

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 12/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
8:20 pm - 8:25 amDEN-LJU
29h 05m1 stop
Turkish Airlines Logo
9:40 am - 6:20 pmLJU-DEN
16h 40m1 stop
$814Turkish Airlines
Find Deal
Fri, Mar 20 - Sun, Mar 29
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
$844Turkish 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
$846Turkish Airlines
Find Deal
Sat, May 2 - Sun, May 17
Lufthansa Logo
4:05 pm - 7:20 pmDEN-LJU
19h 15m1 stop
Lufthansa Logo
6:25 am - 1:35 pmLJU-DEN
15h 10m1 stop
$850Lufthansa
Find Deal
Wed, Apr 29 - Wed, May 6
Turkish Airlines Logo
7:20 pm - 6:40 pmDEN-LJU
15h 20m1 stop
Turkish Airlines Logo
9:20 am - 5:35 pmLJU-DEN
16h 15m1 stop
$859Turkish Airlines
Find Deal
Fri, Jan 2 - Fri, Jan 9
Multiple Airlines Logo
11:17 am - 9:55 amDEN-LJU
14h 38m2 stops
Multiple Airlines Logo
10:00 am - 2:35 pmLJU-DEN
12h 35m1 stop
$864Multiple Airlines
Find Deal
Wed, Jan 7 - Wed, Jan 14
SWISS Logo
1:25 pm - 6:50 pmDEN-LJU
21h 25m2 stops
SWISS Logo
10:50 am - 9:57 pmLJU-DEN
19h 07m2 stops
$869SWISS
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Wed, Apr 29 - Wed, May 6
Turkish Airlines Logo
8:25 pm - 7:30 pmDEN-LJU
15h 05m1 stop
Turkish Airlines Logo
9:40 am - 6:20 pmLJU-DEN
16h 40m1 stop
$870Turkish Airlines
Find Deal
Tue, Apr 28 - Thu, May 7
British Airways Logo
6:40 pm - 5:15 pmDEN-LJU
14h 35m1 stop
British Airways Logo
3:10 pm - 4:35 pmLJU-DEN
33h 25m1 stop
$878British Airways
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Tue, Apr 28 - Mon, May 4
Lufthansa Logo
4:05 pm - 12:30 pmDEN-LJU
12h 25m1 stop
Lufthansa Logo
6:25 am - 3:56 pmLJU-DEN
17h 31m2 stops
$881Lufthansa
Find Deal
Tue, Apr 28 - Tue, May 5

Lufthansa flights from Denver to Slovenia

Our best Lufthansa deals on Denver to Slovenia flight tickets
Lufthansa
Apr 29
DEN4:05 pmDenver Intl
19h 15m
1 stop
LJU7:20 pmLjubljana Joze Pucnik
May 6
LJU6:25 amLjubljana Joze Pucnik
15h 10m
1 stop
DEN1:35 pmDenver Intl
$850
Find similar
Lufthansa
Apr 28
DEN4:05 pmDenver Intl
12h 25m
1 stop
LJU12:30 pmLjubljana Joze Pucnik
May 5
LJU6:25 amLjubljana Joze Pucnik
17h 31m
2 stops
DEN3:56 pmDenver Intl
$881
Find similar
Lufthansa
Apr 26
DEN8:20 pmDenver Intl
14h 55m
1 stop
LJU7:15 pmLjubljana Joze Pucnik
May 6
LJU6:25 amLjubljana Joze Pucnik
15h 10m
1 stop
DEN1:35 pmDenver Intl
$888
Find similar

SWISS flights from Denver to Slovenia

Our best SWISS deals on Denver to Slovenia flight tickets
SWISS
Apr 29
DEN1:25 pmDenver Intl
21h 25m
2 stops
LJU6:50 pmLjubljana Joze Pucnik
May 6
LJU10:50 amLjubljana Joze Pucnik
19h 07m
2 stops
DEN9:57 pmDenver Intl
$869
Find similar
SWISS
Apr 26
DEN11:15 amDenver Intl
23h 35m
2 stops
LJU6:50 pmLjubljana Joze Pucnik
May 8
LJU10:50 amLjubljana Joze Pucnik
18h 35m
2 stops
DEN9:25 pmDenver Intl
$898
Find similar
SWISS
Apr 27
DEN8:20 pmDenver Intl
38h 30m
2 stops
LJU6:50 pmLjubljana Joze Pucnik
May 5
LJU10:50 amLjubljana Joze Pucnik
18h 35m
2 stops
DEN9:25 pmDenver Intl
$901
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 18, 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

Fri 3/20

8:20 pm-8:25 am

1 stop29h 05m

Ljubljana Joze Pucnik

Sun 3/29

9:40 am-6:20 pm

1 stop16h 40m

$814

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

$844

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

$846

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Wed 4/29

4:05 pm-7:20 pm

1 stop19h 15m

Ljubljana Joze Pucnik

Wed 5/6

6:25 am-1:35 pm

1 stop15h 10m

$850

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Fri 1/2

7:20 pm-6:40 pm

1 stop15h 20m

Ljubljana Joze Pucnik

Fri 1/9

9:20 am-5:35 pm

1 stop16h 15m

$859

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Wed 1/7

11:17 am-9:55 am

2 stops14h 38m

Ljubljana Joze Pucnik

Wed 1/14

10:00 am-2:35 pm

1 stop12h 35m

$864

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Wed 4/29

1:25 pm-6:50 pm

2 stops21h 25m

Ljubljana Joze Pucnik

Wed 5/6

10:50 am-9:57 pm

2 stops19h 07m

$869

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Tue 4/28

8:25 pm-7:30 pm

1 stop15h 05m

Ljubljana Joze Pucnik

Thu 5/7

9:40 am-6:20 pm

1 stop16h 40m

$870

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Tue 4/28

6:40 pm-5:15 pm

1 stop14h 35m

Ljubljana Joze Pucnik

Mon 5/4

3:10 pm-4:35 pm

1 stop33h 25m

$878

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Tue 4/28

4:05 pm-12:30 pm

1 stop12h 25m

Ljubljana Joze Pucnik

Tue 5/5

6:25 am-3:56 pm

2 stops17h 31m

$881

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 24% 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

Direct flights

None
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
4,047 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $903Free CancellationRating
6.8
7,576 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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