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Cheap flights from Denver to Slovenia from $463

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 9/4. 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
9:10 am - 6:25 pm
LJU
-
DEN
16h 15m
1 stop
$929Turkish Airlines
Sun, Oct 11 - Mon, Oct 26
Turkish Airlines Logo
8:25 pm - 8:45 am
DEN
-
LJU
28h 20m
1 stop
Turkish Airlines Logo
9:40 am - 6:25 pm
LJU
-
DEN
16h 45m
1 stop
$939Turkish Airlines
Thu, Aug 27 - Tue, Sep 8
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
$940Turkish Airlines
Tue, Sep 22 - Tue, Sep 29
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
$941Turkish Airlines
Thu, Aug 27 - Tue, Sep 8
Turkish Airlines Logo
8:25 pm - 8:45 am
DEN
-
LJU
28h 20m
1 stop
Turkish Airlines Logo
9:40 am - 6:25 pm
LJU
-
DEN
16h 45m
1 stop
$943Turkish Airlines
Tue, Sep 1 - Thu, Sep 10
Turkish Airlines Logo
8:25 pm - 8:45 am
DEN
-
LJU
28h 20m
1 stop
Turkish Airlines Logo
1:50 pm - 6:25 pm
LJU
-
DEN
36h 35m
1 stop
$947Turkish Airlines
Sun, Oct 11 - Wed, Oct 21
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
$952Turkish Airlines
Sat, Aug 15 - Sat, Aug 22
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
$953Turkish Airlines
Thu, Aug 13 - Sat, Aug 22
Turkish Airlines Logo
8:20 pm - 8:15 am
DEN
-
LJU
27h 55m
1 stop
Turkish Airlines Logo
7:40 pm - 5:25 pm
LJU
-
DEN
29h 45m
1 stop
$969Turkish Airlines
Fri, Nov 6 - Tue, Nov 10
Lufthansa Logo
4:15 pm - 12:35 pm
DEN
-
LJU
12h 20m
1 stop
Lufthansa Logo
6:55 am - 1:30 pm
LJU
-
DEN
14h 35m
1 stop
$970Lufthansa
Sun, Jul 5 - Tue, Jul 21

Lufthansa flights from Denver to Slovenia

Our best Lufthansa deals on Denver to Slovenia flight tickets
Lufthansa
Sep 2
DEN5:40 pmDenver Intl
20h 15m
1 stop
LJU9:55 pmLjubljana Joze Pucnik
Sep 18
LJU6:35 amLjubljana Joze Pucnik
17h 05m
1 stop
DEN3:40 pmDenver Intl
$966
Lufthansa
Jul 5
DEN4:15 pmDenver Intl
12h 20m
1 stop
LJU12:35 pmLjubljana Joze Pucnik
Jul 21
LJU6:55 amLjubljana Joze Pucnik
14h 35m
1 stop
DEN1:30 pmDenver Intl
$970
Lufthansa
Sep 2
DEN3:55 pmDenver Intl
22h 00m
1 stop
LJU9:55 pmLjubljana Joze Pucnik
Sep 18
LJU6:35 amLjubljana Joze Pucnik
17h 05m
1 stop
DEN3:40 pmDenver Intl
$976

United Airlines flights from Denver to Slovenia

Our best United Airlines deals on Denver to Slovenia flight tickets
United Airlines
Oct 7
DEN6:00 amDenver Intl
22h 35m
2 stops
LJU12:35 pmLjubljana Joze Pucnik
Oct 21
LJU10:10 amLjubljana Joze Pucnik
13h 30m
1 stop
DEN3:40 pmDenver Intl
$987
United Airlines
Jul 5
DEN11:59 pmDenver Intl
25h 06m
2 stops
LJU9:05 amLjubljana Joze Pucnik
Jul 21
LJU6:55 amLjubljana Joze Pucnik
35h 38m
2 stops
DEN10:33 amDenver Intl
$992
United Airlines
Oct 7
DEN6:00 amDenver Intl
22h 35m
2 stops
LJU12:35 pmLjubljana Joze Pucnik
Oct 21
LJU2:05 pmLjubljana Joze Pucnik
30h 18m
2 stops
DEN12:23 pmDenver Intl
$995

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 May 28, 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

Cheapest round-trip

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sun 10/11

8:25 pm-7:20 pm

1 stop14h 55m

Ljubljana Joze Pucnik

Mon 10/26

9:10 am-6:25 pm

1 stop16h 15m

$929

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Thu 8/27

8:25 pm-8:45 am

1 stop28h 20m

Ljubljana Joze Pucnik

Tue 9/8

9:40 am-6:25 pm

1 stop16h 45m

$939

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Tue 9/22

8:25 pm-7:20 pm

1 stop14h 55m

Ljubljana Joze Pucnik

Tue 9/29

9:40 am-6:25 pm

1 stop16h 45m

$940

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Thu 8/27

8:25 pm-7:20 pm

1 stop14h 55m

Ljubljana Joze Pucnik

Tue 9/8

9:40 am-6:25 pm

1 stop16h 45m

$941

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Tue 9/1

8:25 pm-8:45 am

1 stop28h 20m

Ljubljana Joze Pucnik

Thu 9/10

9:40 am-6:25 pm

1 stop16h 45m

$943

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sun 10/11

8:25 pm-8:45 am

1 stop28h 20m

Ljubljana Joze Pucnik

Wed 10/21

1:50 pm-6:25 pm

1 stop36h 35m

$947

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sat 8/15

8:25 pm-7:20 pm

1 stop14h 55m

Ljubljana Joze Pucnik

Sat 8/22

9:40 am-6:25 pm

1 stop16h 45m

$952

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Thu 8/13

8:25 pm-7:20 pm

1 stop14h 55m

Ljubljana Joze Pucnik

Sat 8/22

9:40 am-6:25 pm

1 stop16h 45m

$953

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Fri 11/6

8:20 pm-8:15 am

1 stop27h 55m

Ljubljana Joze Pucnik

Tue 11/10

7:40 pm-5:25 pm

1 stop29h 45m

$969
Quickest round-trip

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sun 7/5

4:15 pm-12:35 pm

1 stop12h 20m

Ljubljana Joze Pucnik

Tue 7/21

6:55 am-1:30 pm

1 stop14h 35m

$970

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 month to fly to Slovenia?

The month of November is, on average, the cheapest month to fly to Slovenia from Denver, with most prices found around $0. The month of January is another great option to travel to Slovenia, with average flight prices from Denver averaging around $0.

Can stopping save me money on Denver to Slovenia flights?

You could potentially save up to 34% 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

12h 20m

Direct flights

None
The fastest flight from Denver to Slovenia takes 12h 20m
There are no direct flights from Denver to Slovenia. There are no popular flight routes from Denver to Slovenia.
Search flight deals

Frequently asked questions about flying from Denver to Slovenia

  • 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 $714Free CancellationRating
7.4
4,396 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $907Free CancellationRating
6.8
8,032 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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