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Cheap flights from Denver to Slovenia from $343

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 5/17. 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 - 6:40 pm
DEN
-
LJU
15h 20m
1 stop
Turkish Airlines Logo
9:20 am - 5:35 pm
LJU
-
DEN
16h 15m
1 stop
$738Turkish Airlines
Sat, Feb 28 - Sat, Mar 7
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
$739Turkish Airlines
Tue, Apr 14 - Fri, May 1
British Airways Logo
1:06 pm - 5:15 pm
DEN
-
LJU
20h 09m
2 stops
British Airways Logo
9:15 pm - 4:30 pm
LJU
-
DEN
27h 15m
1 stop
$743British Airways
Tue, Apr 14 - Fri, May 1
British Airways Logo
1:06 pm - 5:15 pm
DEN
-
LJU
20h 09m
2 stops
British Airways Logo
9:15 pm - 7:55 pm
LJU
-
DEN
30h 40m
2 stops
$746British Airways
Tue, Apr 14 - Fri, May 1
British Airways Logo
7:26 am - 5:15 pm
DEN
-
LJU
25h 49m
2 stops
British Airways Logo
9:15 pm - 4:30 pm
LJU
-
DEN
27h 15m
1 stop
$755British Airways
Tue, Apr 14 - Fri, May 1
British Airways Logo
1:06 pm - 5:15 pm
DEN
-
LJU
20h 09m
2 stops
British Airways Logo
9:15 pm - 7:55 pm
LJU
-
DEN
30h 40m
2 stops
$758British Airways
Tue, Apr 14 - Fri, May 1
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
$816Turkish Airlines
Sat, May 2 - Sun, May 17
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
$817Turkish Airlines
Sat, May 16 - Wed, May 27
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
$821Turkish Airlines
Sat, May 2 - Sun, May 17
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
$836Turkish Airlines
Tue, May 12 - Tue, Jun 9

Turkish Airlines flights from Denver to Slovenia

Our best Turkish Airlines deals on Denver to Slovenia flight tickets
Turkish Airlines
Feb 28
DEN7:20 pmDenver Intl
15h 20m
1 stop
LJU6:40 pmLjubljana Joze Pucnik
Mar 7
LJU9:20 amLjubljana Joze Pucnik
16h 15m
1 stop
DEN5:35 pmDenver Intl
$738
Turkish Airlines
Apr 14
DEN8:25 pmDenver Intl
14h 55m
1 stop
LJU7:20 pmLjubljana Joze Pucnik
May 1
LJU1:50 pmLjubljana Joze Pucnik
36h 35m
1 stop
DEN6:25 pmDenver Intl
$739
Turkish Airlines
May 2
DEN8:25 pmDenver Intl
32h 30m
1 stop
LJU12:55 pmLjubljana Joze Pucnik
May 17
LJU9:40 amLjubljana Joze Pucnik
16h 45m
1 stop
DEN6:25 pmDenver Intl
$816

British Airways flights from Denver to Slovenia

Our best British Airways deals on Denver to Slovenia flight tickets
British Airways
Apr 14
DEN1:06 pmDenver Intl
20h 09m
2 stops
LJU5:15 pmLjubljana Joze Pucnik
May 1
LJU9:15 pmLjubljana Joze Pucnik
27h 15m
1 stop
DEN4:30 pmDenver Intl
$743
British Airways
Apr 14
DEN1:06 pmDenver Intl
20h 09m
2 stops
LJU5:15 pmLjubljana Joze Pucnik
May 1
LJU9:15 pmLjubljana Joze Pucnik
30h 40m
2 stops
DEN7:55 pmDenver Intl
$746
British Airways
Apr 14
DEN7:26 amDenver Intl
25h 49m
2 stops
LJU5:15 pmLjubljana Joze Pucnik
May 1
LJU9:15 pmLjubljana Joze Pucnik
27h 15m
1 stop
DEN4:30 pmDenver Intl
$755

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 January 15, 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

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sat 2/28

7:20 pm-6:40 pm

1 stop15h 20m

Ljubljana Joze Pucnik

Sat 3/7

9:20 am-5:35 pm

1 stop16h 15m

$738

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Tue 4/14

8:25 pm-7:20 pm

1 stop14h 55m

Ljubljana Joze Pucnik

Fri 5/1

1:50 pm-6:25 pm

1 stop36h 35m

$739

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Tue 4/14

1:06 pm-5:15 pm

2 stops20h 09m

Ljubljana Joze Pucnik

Fri 5/1

9:15 pm-4:30 pm

1 stop27h 15m

$743

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Tue 4/14

1:06 pm-5:15 pm

2 stops20h 09m

Ljubljana Joze Pucnik

Fri 5/1

9:15 pm-7:55 pm

2 stops30h 40m

$746

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Tue 4/14

7:26 am-5:15 pm

2 stops25h 49m

Ljubljana Joze Pucnik

Fri 5/1

9:15 pm-4:30 pm

1 stop27h 15m

$755

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Tue 4/14

1:06 pm-5:15 pm

2 stops20h 09m

Ljubljana Joze Pucnik

Fri 5/1

9:15 pm-7:55 pm

2 stops30h 40m

$758

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

$816

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sat 5/16

8:25 pm-8:45 am

1 stop28h 20m

Ljubljana Joze Pucnik

Wed 5/27

8:15 pm-6:25 pm

1 stop30h 10m

$817

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

$821

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Tue 5/12

8:25 pm-7:20 pm

1 stop14h 55m

Ljubljana Joze Pucnik

Tue 6/9

9:40 am-6:25 pm

1 stop16h 45m

$836

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $599Free CancellationRating
7.3
4,169 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $903Free CancellationRating
6.8
7,715 reviews
Search Lufthansa flights

  • How do I get Price Alerts for flights from Denver to Slovenia?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Denver from Slovenia. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Denver to Slovenia with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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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