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Cheap flights from Colorado to Slovenia from $396

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 9/21. 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 Colorado to Slovenia

Cheap round-trip flights

Turkish Airlines Logo
7:50 pm - 1:10 pmDEN-LJU
33h 20m1 stop
Turkish Airlines Logo
7:35 pm - 5:35 pmLJU-DEN
30h 00m1 stop
$769Turkish Airlines
Find Deal
jue., oct. 23 - mié., nov. 5
KLM Logo
5:49 pm - 12:05 pmCOS-LJU
34h 16m2 stops
KLM Logo
9:10 am - 5:09 pmLJU-COS
38h 59m2 stops
$867KLM
Find Deal
dom., oct. 19 - dom., oct. 26
Lufthansa Logo
4:15 pm - 12:35 pmDEN-LJU
12h 20m1 stop
Lufthansa Logo
6:55 am - 9:49 pmLJU-DEN
22h 54m2 stops
$890Lufthansa
Find Deal
mié., oct. 22 - vie., nov. 14
Lufthansa Logo
4:15 pm - 12:35 pmDEN-LJU
12h 20m1 stop
Lufthansa Logo
9:45 am - 2:35 pmLJU-DEN
12h 50m1 stop
$891Lufthansa
Find Deal
mié., oct. 22 - vie., nov. 14
Lufthansa Logo
4:15 pm - 12:35 pmDEN-LJU
12h 20m1 stop
Lufthansa Logo
6:55 am - 11:15 pmLJU-DEN
24h 20m2 stops
$892Lufthansa
Find Deal
mié., oct. 22 - vie., nov. 14
SWISS Logo
1:25 pm - 6:35 pmDEN-LJU
21h 10m2 stops
SWISS Logo
6:30 am - 9:49 pmLJU-DEN
23h 19m2 stops
$897SWISS
Find Deal
mié., oct. 22 - vie., nov. 14
Logo
6:35 pm - 8:40 pmDEN-LJU
18h 05m1 stop
Logo
9:30 am - 4:25 pmLJU-DEN
38h 55m2 stops
$932
Find Deal
sáb., sep. 20 - jue., oct. 2
SWISS Logo
1:25 pm - 6:35 pmDEN-LJU
21h 10m2 stops
SWISS Logo
6:30 am - 9:49 pmLJU-DEN
23h 19m2 stops
$944SWISS
Find Deal
mié., oct. 22 - vie., nov. 14
British Airways Logo
2:17 pm - 8:20 pmDEN-LJU
22h 03m2 stops
British Airways Logo
9:05 pm - 4:25 pmLJU-DEN
27h 20m1 stop
$1,071British Airways
Find Deal
jue., sep. 18 - vie., sep. 26
British Airways Logo
6:35 pm - 10:10 amDEN-LJU
31h 35m1 stop
British Airways Logo
9:05 pm - 4:25 pmLJU-DEN
27h 20m1 stop
$1,090British Airways
Find Deal
jue., sep. 18 - vie., sep. 26

Lufthansa flights from Colorado to Slovenia

Our best Lufthansa deals on Colorado to Slovenia flight tickets
Lufthansa
Oct 22
DEN4:15 pmDenver Intl
12h 20m
1 stop
LJU12:35 pmLjubljana Joze Pucnik
Nov 14
LJU6:55 amLjubljana Joze Pucnik
22h 54m
2 stops
DEN9:49 pmDenver Intl
$890
Find similar
Lufthansa
Oct 22
DEN4:15 pmDenver Intl
12h 20m
1 stop
LJU12:35 pmLjubljana Joze Pucnik
Nov 14
LJU9:45 amLjubljana Joze Pucnik
12h 50m
1 stop
DEN2:35 pmDenver Intl
$891
Find similar
Lufthansa
Oct 22
DEN4:15 pmDenver Intl
12h 20m
1 stop
LJU12:35 pmLjubljana Joze Pucnik
Nov 14
LJU6:55 amLjubljana Joze Pucnik
24h 20m
2 stops
DEN11:15 pmDenver Intl
$892
Find similar

SWISS flights from Colorado to Slovenia

Our best SWISS deals on Colorado to Slovenia flight tickets
SWISS
Oct 22
DEN1:25 pmDenver Intl
21h 10m
2 stops
LJU6:35 pmLjubljana Joze Pucnik
Nov 14
LJU6:30 amLjubljana Joze Pucnik
23h 19m
2 stops
DEN9:49 pmDenver Intl
$897
Find similar
SWISS
Oct 22
DEN1:25 pmDenver Intl
21h 10m
2 stops
LJU6:35 pmLjubljana Joze Pucnik
Nov 14
LJU6:30 amLjubljana Joze Pucnik
23h 19m
2 stops
DEN9:49 pmDenver Intl
$944
Find similar

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 septiembre 4, 2025.
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

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

jue. 10/23

7:50 pm-1:10 pm

1 stop33h 20m

Ljubljana Joze Pucnik

mié. 11/5

7:35 pm-5:35 pm

1 stop30h 00m

$769

Colorado SpringsLjubljana

COS - LJU

COSLJU

Colorado Springs

dom. 10/19

5:49 pm-12:05 pm

2 stops34h 16m

Ljubljana Joze Pucnik

dom. 10/26

9:10 am-5:09 pm

2 stops38h 59m

$867

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

mié. 10/22

4:15 pm-12:35 pm

1 stop12h 20m

Ljubljana Joze Pucnik

vie. 11/14

6:55 am-9:49 pm

2 stops22h 54m

$890

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

mié. 10/22

4:15 pm-12:35 pm

1 stop12h 20m

Ljubljana Joze Pucnik

vie. 11/14

9:45 am-2:35 pm

1 stop12h 50m

$891

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

mié. 10/22

4:15 pm-12:35 pm

1 stop12h 20m

Ljubljana Joze Pucnik

vie. 11/14

6:55 am-11:15 pm

2 stops24h 20m

$892

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

mié. 10/22

1:25 pm-6:35 pm

2 stops21h 10m

Ljubljana Joze Pucnik

vie. 11/14

6:30 am-9:49 pm

2 stops23h 19m

$897

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

sáb. 9/20

6:35 pm-8:40 pm

1 stop18h 05m

Ljubljana Joze Pucnik

jue. 10/2

9:30 am-4:25 pm

2 stops38h 55m

$932

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

mié. 10/22

1:25 pm-6:35 pm

2 stops21h 10m

Ljubljana Joze Pucnik

vie. 11/14

6:30 am-9:49 pm

2 stops23h 19m

$944

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

jue. 9/18

2:17 pm-8:20 pm

2 stops22h 03m

Ljubljana Joze Pucnik

vie. 9/26

9:05 pm-4:25 pm

1 stop27h 20m

$1,071

DenverLjubljana

DEN - LJU

DENLJU

Denver Intl

jue. 9/18

6:35 pm-10:10 am

1 stop31h 35m

Ljubljana Joze Pucnik

vie. 9/26

9:05 pm-4:25 pm

1 stop27h 20m

$1,090

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 day to depart on your flight to Slovenia?

According to our data, Thursday is the cheapest day to fly to Slovenia from Colorado. 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 Colorado 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 Colorado to Slovenia flights?

You could potentially save up to 18% 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

Direct flights

None
There are no direct flights from Colorado to Slovenia. There are no popular flight routes from Colorado to Slovenia.
Search flight deals

  • 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 $598Free CancellationRating
7.3
3,954 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $766Free CancellationRating
6.8
7,390 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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