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Cheap flights from Colorado to Slovenia from $369

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Slovenia departing on 10/4. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Colorado to Slovenia

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
6:40 pm - 4:20 pm
DEN
-
LJU
13h 40m
1 stop
British Airways Logo
9:25 pm - 4:30 pm
LJU
-
DEN
27h 05m
1 stop
$901British Airways
Mon, Aug 10 - Sun, Aug 23
Turkish Airlines Logo
8:25 pm - 8:45 am
DEN
-
LJU
28h 20m
1 stop
Turkish Airlines Logo
7:40 pm - 6:25 pm
LJU
-
DEN
29h 45m
1 stop
$905Turkish Airlines
Sun, Oct 18 - Thu, Oct 29
Turkish Airlines Logo
8:25 pm - 8:45 am
DEN
-
LJU
28h 20m
1 stop
Turkish Airlines Logo
9:10 am - 6:25 pm
LJU
-
DEN
17h 15m
1 stop
$906Turkish Airlines
Thu, Oct 8 - Sat, Nov 7
Turkish Airlines Logo
8:20 pm - 8:15 am
DEN
-
LJU
27h 55m
1 stop
Turkish Airlines Logo
9:10 am - 5:25 pm
LJU
-
DEN
16h 15m
1 stop
$908Turkish Airlines
Sat, Nov 7 - Sat, Nov 14
British Airways Logo
6:40 pm - 4:20 pm
DEN
-
LJU
13h 40m
1 stop
British Airways Logo
9:25 pm - 7:38 pm
LJU
-
DEN
30h 13m
2 stops
$917British Airways
Mon, Aug 10 - Sun, Aug 23
Turkish Airlines Logo
8:20 pm - 8:15 am
DEN
-
LJU
28h 55m
1 stop
Turkish Airlines Logo
7:40 pm - 6:25 pm
LJU
-
DEN
30h 45m
1 stop
$939Turkish Airlines
Mon, Oct 26 - Tue, Nov 3
Turkish Airlines Logo
6:00 am - 7:20 pm
DEN
-
LJU
29h 20m
2 stops
Turkish Airlines Logo
7:40 pm - 6:25 pm
LJU
-
DEN
29h 45m
1 stop
$943Turkish Airlines
Sun, Oct 18 - Thu, Oct 29
British Airways Logo
5:03 am - 4:20 pm
DEN
-
LJU
27h 17m
2 stops
British Airways Logo
9:25 pm - 7:38 pm
LJU
-
DEN
30h 13m
2 stops
$946British Airways
Mon, Aug 10 - Sun, Aug 23
United Airlines Logo
8:23 am - 10:05 am
COS
-
LJU
17h 42m
2 stops
United Airlines Logo
6:35 am - 9:22 pm
LJU
-
COS
22h 47m
2 stops
$1,721United Airlines
Sun, Nov 8 - Thu, Nov 12
United Airlines Logo
8:23 am - 10:05 am
COS
-
LJU
17h 42m
2 stops
United Airlines Logo
6:35 am - 9:22 pm
LJU
-
COS
22h 47m
2 stops
$1,722United Airlines
Sun, Nov 8 - Thu, Nov 12

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British Airways flights from Colorado to Slovenia

Our best British Airways deals on Colorado to Slovenia flight tickets
British Airways
Aug 10
DEN6:40 pmDenver Intl
13h 40m
1 stop
LJU4:20 pmLjubljana Joze Pucnik
Aug 23
LJU9:25 pmLjubljana Joze Pucnik
27h 05m
1 stop
DEN4:30 pmDenver Intl
$901
British Airways
Aug 10
DEN6:40 pmDenver Intl
13h 40m
1 stop
LJU4:20 pmLjubljana Joze Pucnik
Aug 23
LJU9:25 pmLjubljana Joze Pucnik
30h 13m
2 stops
DEN7:38 pmDenver Intl
$917
British Airways
Aug 10
DEN5:03 amDenver Intl
27h 17m
2 stops
LJU4:20 pmLjubljana Joze Pucnik
Aug 23
LJU9:25 pmLjubljana Joze Pucnik
30h 13m
2 stops
DEN7:38 pmDenver Intl
$946

United Airlines flights from Colorado to Slovenia

Our best United Airlines deals on Colorado to Slovenia flight tickets
United Airlines
Oct 13
DEN4:05 pmDenver Intl
12h 30m
1 stop
LJU12:35 pmLjubljana Joze Pucnik
Oct 27
LJU10:45 amLjubljana Joze Pucnik
12h 50m
1 stop
DEN4:35 pmDenver Intl
$981
United Airlines
Oct 21
DEN1:25 pmDenver Intl
15h 10m
2 stops
LJU12:35 pmLjubljana Joze Pucnik
Nov 3
LJU10:45 amLjubljana Joze Pucnik
12h 50m
1 stop
DEN3:35 pmDenver Intl
$984
United Airlines
Oct 5
DEN10:01 amDenver Intl
15h 04m
2 stops
LJU9:05 amLjubljana Joze Pucnik
Oct 14
LJU10:10 amLjubljana Joze Pucnik
13h 30m
1 stop
DEN3:40 pmDenver Intl
$985

momondo Fare Finder

 
Customize your flight search to find flights from Colorado 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 June 27, 2026.
Use the filters below to find and compare flights from Colorado to Slovenia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Mon 8/10

6:40 pm-4:20 pm

1 stop13h 40m

Ljubljana Joze Pucnik

Sun 8/23

9:25 pm-4:30 pm

1 stop27h 05m

$901

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sun 10/18

8:25 pm-8:45 am

1 stop28h 20m

Ljubljana Joze Pucnik

Thu 10/29

7:40 pm-6:25 pm

1 stop29h 45m

$905

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Thu 10/8

8:25 pm-8:45 am

1 stop28h 20m

Ljubljana Joze Pucnik

Sat 11/7

9:10 am-6:25 pm

1 stop17h 15m

$906

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sat 11/7

8:20 pm-8:15 am

1 stop27h 55m

Ljubljana Joze Pucnik

Sat 11/14

9:10 am-5:25 pm

1 stop16h 15m

$908

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Mon 8/10

6:40 pm-4:20 pm

1 stop13h 40m

Ljubljana Joze Pucnik

Sun 8/23

9:25 pm-7:38 pm

2 stops30h 13m

$917

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Mon 10/26

8:20 pm-8:15 am

1 stop28h 55m

Ljubljana Joze Pucnik

Tue 11/3

7:40 pm-6:25 pm

1 stop30h 45m

$939

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Sun 10/18

6:00 am-7:20 pm

2 stops29h 20m

Ljubljana Joze Pucnik

Thu 10/29

7:40 pm-6:25 pm

1 stop29h 45m

$943

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

Mon 8/10

5:03 am-4:20 pm

2 stops27h 17m

Ljubljana Joze Pucnik

Sun 8/23

9:25 pm-7:38 pm

2 stops30h 13m

$946
Quickest round-trip

Colorado SpringsLjubljana

COS - LJU

COSLJU

Colorado Springs

Sun 11/8

8:23 am-10:05 am

2 stops17h 42m

Ljubljana Joze Pucnik

Thu 11/12

6:35 am-9:22 pm

2 stops22h 47m

$1,721

Colorado SpringsLjubljana

COS - LJU

COSLJU

Colorado Springs

Sun 11/8

8:23 am-10:05 am

2 stops17h 42m

Ljubljana Joze Pucnik

Thu 11/12

6:35 am-9:22 pm

2 stops22h 47m

$1,722

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 Colorado 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 Colorado, with most prices found around $0. The month of January is another great option to travel to Slovenia, with average flight prices from Colorado averaging around $0.

Can stopping save me money on Colorado to Slovenia flights?

You could potentially save up to 35% on your flight if you consider stops on a Colorado to Slovenia flight.

Cheap Colorado to Slovenia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Slovenia

Fastest flight time

13h 40m

Direct flights

None
The fastest flight from Colorado to Slovenia takes 13h 40m
There are no direct flights from Colorado to Slovenia. There are no popular flight routes from Colorado to Slovenia.
Search flight deals

Frequently asked questions about flying from Colorado to Slovenia

  • When did momondo last update prices for flights from Colorado to Slovenia?

    Prices for flights from Colorado to Slovenia were last updated today.

  • How many operators does momondo search for flights from Colorado to Slovenia?

  • How old do you have to be to fly from Colorado to Slovenia?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado 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 Colorado to Slovenia

Compare and see reviews for airlines that fly from Colorado to Slovenia with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $722Free CancellationRating
7.4
4,425 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $907Free CancellationRating
6.8
8,103 reviews
Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from Colorado 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 Colorado to Slovenia for you.

Can I find flights from Colorado to Slovenia with flexible booking policies on momondo?

Yes. All flights to Slovenia from Colorado on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Colorado to Slovenia?

momondo provides multiple filters to help you find the best flight to Slovenia from Colorado. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Colorado to Slovenia right now. Can momondo alert me if prices change?

Price alerts on flights to Slovenia from Colorado are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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