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Cheap flights from Denver to Slovenia from $420

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 8/23. 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
9:40 am - 6:25 pm
LJU
-
DEN
16h 45m
1 stop
$818Turkish Airlines
Sat, Sep 19 - Sat, Oct 3
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
$820Turkish Airlines
Sat, Sep 5 - Sun, Sep 13
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
$823Turkish Airlines
Sat, Sep 5 - Sun, Sep 13
Turkish Airlines Logo
8:25 pm - 8:45 am
DEN
-
LJU
28h 20m
1 stop
Turkish Airlines Logo
8:15 pm - 6:25 pm
LJU
-
DEN
30h 10m
1 stop
$865Turkish Airlines
Tue, Sep 1 - Sat, Sep 12
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
$870Turkish Airlines
Sat, Aug 22 - Sun, Aug 30
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
$882Turkish Airlines
Sat, Aug 22 - Sun, Aug 30
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
$883Turkish Airlines
Sat, Aug 22 - Sun, Aug 30
Turkish Airlines Logo
6:00 am - 12:55 pm
DEN
-
LJU
46h 55m
2 stops
Turkish Airlines Logo
9:40 am - 6:25 pm
LJU
-
DEN
16h 45m
1 stop
$884Turkish Airlines
Sat, Sep 19 - Sat, Oct 3
Turkish Airlines Logo
8:25 pm - 7:20 pm
DEN
-
LJU
14h 55m
1 stop
Turkish Airlines Logo
1:50 pm - 6:25 pm
LJU
-
DEN
36h 35m
1 stop
$892Turkish Airlines
Thu, Sep 17 - Mon, Sep 21
Turkish Airlines Logo
8:25 pm - 8:45 am
DEN
-
LJU
28h 20m
1 stop
Turkish Airlines Logo
8:15 pm - 6:25 pm
LJU
-
DEN
30h 10m
1 stop
$893Turkish Airlines
Thu, Sep 17 - Mon, Sep 21

Lufthansa flights from Denver to Slovenia

Our best Lufthansa deals on Denver to Slovenia flight tickets
Lufthansa
Aug 21
DEN4:15 pmDenver Intl
19h 10m
1 stop
LJU7:25 pmLjubljana Joze Pucnik
Sep 8
LJU8:00 pmLjubljana Joze Pucnik
25h 45m
1 stop
DEN1:45 pmDenver Intl
$1,043
Lufthansa
Aug 31
DEN4:15 pmDenver Intl
19h 10m
1 stop
LJU7:25 pmLjubljana Joze Pucnik
Sep 12
LJU8:00 pmLjubljana Joze Pucnik
25h 45m
1 stop
DEN1:45 pmDenver Intl
$1,053
Lufthansa
Sep 25
DEN4:15 pmDenver Intl
12h 20m
1 stop
LJU12:35 pmLjubljana Joze Pucnik
Oct 11
LJU8:00 pmLjubljana Joze Pucnik
26h 20m
1 stop
DEN2:20 pmDenver Intl
$1,113

Turkish Airlines flights from Denver to Slovenia

Our best Turkish Airlines deals on Denver to Slovenia flight tickets
Turkish Airlines
Sep 19
DEN8:25 pmDenver Intl
14h 55m
1 stop
LJU7:20 pmLjubljana Joze Pucnik
Oct 3
LJU9:40 amLjubljana Joze Pucnik
16h 45m
1 stop
DEN6:25 pmDenver Intl
$818
Turkish Airlines
Sep 5
DEN8:25 pmDenver Intl
14h 55m
1 stop
LJU7:20 pmLjubljana Joze Pucnik
Sep 13
LJU9:40 amLjubljana Joze Pucnik
16h 45m
1 stop
DEN6:25 pmDenver Intl
$820
Turkish Airlines
Sep 5
DEN8:25 pmDenver Intl
28h 20m
1 stop
LJU8:45 amLjubljana Joze Pucnik
Sep 13
LJU9:40 amLjubljana Joze Pucnik
16h 45m
1 stop
DEN6:25 pmDenver Intl
$823

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 1, 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
Quickest round-trip

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sat 9/19

8:25 pm-7:20 pm

1 stop14h 55m

Ljubljana Joze Pucnik

Sat 10/3

9:40 am-6:25 pm

1 stop16h 45m

$818

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sat 9/5

8:25 pm-7:20 pm

1 stop14h 55m

Ljubljana Joze Pucnik

Sun 9/13

9:40 am-6:25 pm

1 stop16h 45m

$820

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sat 9/5

8:25 pm-8:45 am

1 stop28h 20m

Ljubljana Joze Pucnik

Sun 9/13

9:40 am-6:25 pm

1 stop16h 45m

$823

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Tue 9/1

8:25 pm-8:45 am

1 stop28h 20m

Ljubljana Joze Pucnik

Sat 9/12

8:15 pm-6:25 pm

1 stop30h 10m

$865

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sat 8/22

8:25 pm-8:45 am

1 stop28h 20m

Ljubljana Joze Pucnik

Sun 8/30

9:40 am-6:25 pm

1 stop16h 45m

$870

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sat 8/22

8:25 pm-8:45 am

1 stop28h 20m

Ljubljana Joze Pucnik

Sun 8/30

9:40 am-6:25 pm

1 stop16h 45m

$882

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sat 8/22

8:25 pm-12:55 pm

1 stop32h 30m

Ljubljana Joze Pucnik

Sun 8/30

9:40 am-6:25 pm

1 stop16h 45m

$883

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sat 9/19

6:00 am-12:55 pm

2 stops46h 55m

Ljubljana Joze Pucnik

Sat 10/3

9:40 am-6:25 pm

1 stop16h 45m

$884

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Thu 9/17

8:25 pm-7:20 pm

1 stop14h 55m

Ljubljana Joze Pucnik

Mon 9/21

1:50 pm-6:25 pm

1 stop36h 35m

$892

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Thu 9/17

8:25 pm-8:45 am

1 stop28h 20m

Ljubljana Joze Pucnik

Mon 9/21

8:15 pm-6:25 pm

1 stop30h 10m

$893

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 20% 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 $709Free CancellationRating
7.4
4,345 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $907Free CancellationRating
6.8
7,964 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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