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Cheap flights from Colorado to Trieste from $1,188

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Trieste departing on 4/1. 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 Colorado to Trieste

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
5:55 pm - 9:55 pmDEN-TRS
20h 00m1 stop
Lufthansa Logo
6:20 am - 3:35 pmTRS-DEN
17h 15m1 stop
$1,188Lufthansa
Find Deal
Wed, Apr 1 - Sun, Apr 5
Lufthansa Logo
4:15 pm - 9:55 pmDEN-TRS
21h 40m2 stops
Lufthansa Logo
6:20 am - 3:35 pmTRS-DEN
17h 15m1 stop
$1,192Lufthansa
Find Deal
Wed, Apr 1 - Sun, Apr 5
Lufthansa Logo
4:15 pm - 9:55 pmDEN-TRS
21h 40m2 stops
Lufthansa Logo
6:20 am - 3:35 pmTRS-DEN
17h 15m1 stop
$1,193Lufthansa
Find Deal
Wed, Apr 1 - Sun, Apr 5
Lufthansa Logo
5:42 pm - 9:55 pmDEN-TRS
20h 13m2 stops
Lufthansa Logo
6:20 am - 11:18 pmTRS-DEN
24h 58m2 stops
$1,202Lufthansa
Find Deal
Wed, Apr 1 - Sun, Apr 5
Lufthansa Logo
11:15 am - 1:55 pmDEN-TRS
18h 40m2 stops
Lufthansa Logo
6:20 am - 11:18 pmTRS-DEN
24h 58m2 stops
$1,203Lufthansa
Find Deal
Wed, Apr 1 - Sun, Apr 5

Lufthansa flights from Colorado to Trieste

Our best Lufthansa deals on Colorado to Trieste flight tickets
Lufthansa
Apr 1
DEN5:55 pmDenver Intl
20h 00m
1 stop
TRS9:55 pmTrieste Ronchi dei Legionari
Apr 5
TRS6:20 amTrieste Ronchi dei Legionari
17h 15m
1 stop
DEN3:35 pmDenver Intl
$1,188
Find similar
Lufthansa
Apr 1
DEN4:15 pmDenver Intl
21h 40m
2 stops
TRS9:55 pmTrieste Ronchi dei Legionari
Apr 5
TRS6:20 amTrieste Ronchi dei Legionari
17h 15m
1 stop
DEN3:35 pmDenver Intl
$1,192
Find similar
Lufthansa
Apr 1
DEN4:15 pmDenver Intl
21h 40m
2 stops
TRS9:55 pmTrieste Ronchi dei Legionari
Apr 5
TRS6:20 amTrieste Ronchi dei Legionari
17h 15m
1 stop
DEN3:35 pmDenver Intl
$1,193
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Colorado to Trieste 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 November 9, 2025.
Use the filters below to find and compare flights from Colorado to Trieste that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverTrieste

DEN - TRS

DENTRS

Denver Intl

Wed 4/1

5:55 pm-9:55 pm

1 stop20h 00m

Trieste Ronchi dei Legionari

Sun 4/5

6:20 am-3:35 pm

1 stop17h 15m

$1,188

DenverTrieste

DEN - TRS

DENTRS

Denver Intl

Wed 4/1

4:15 pm-9:55 pm

2 stops21h 40m

Trieste Ronchi dei Legionari

Sun 4/5

6:20 am-3:35 pm

1 stop17h 15m

$1,192

DenverTrieste

DEN - TRS

DENTRS

Denver Intl

Wed 4/1

4:15 pm-9:55 pm

2 stops21h 40m

Trieste Ronchi dei Legionari

Sun 4/5

6:20 am-3:35 pm

1 stop17h 15m

$1,193

DenverTrieste

DEN - TRS

DENTRS

Denver Intl

Wed 4/1

5:42 pm-9:55 pm

2 stops20h 13m

Trieste Ronchi dei Legionari

Sun 4/5

6:20 am-11:18 pm

2 stops24h 58m

$1,202

DenverTrieste

DEN - TRS

DENTRS

Denver Intl

Wed 4/1

11:15 am-1:55 pm

2 stops18h 40m

Trieste Ronchi dei Legionari

Sun 4/5

6:20 am-11:18 pm

2 stops24h 58m

$1,203

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Trieste from

How to get the cheapest flight ticket from Colorado to Trieste

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 Trieste?

The cheapest day to depart on your flight to Trieste is on a Friday when prices can be found for as low as $607. This is often the case because there is less demand to fly during this day of the week. Flights from Colorado to Trieste on a Saturday will generally be more expensive and average around $1,100. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Can stopping save me money on Colorado to Trieste flights?

You could potentially save up to 16% on your flight if you consider stops on a Colorado to Trieste flight.

Cheap Colorado to Trieste flight deals and tips

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

Direct flights

None
There are no direct flights from Colorado to Trieste. There are no popular flight routes from Colorado to Trieste.
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  • When did momondo last update prices for flights from Colorado to Trieste Ronchi dei Legionari Airport?

    Prices for flights from Colorado to Trieste Ronchi dei Legionari Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Colorado to Trieste Ronchi dei Legionari Airport?

    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 Trieste Ronchi dei Legionari Airport.

  • What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?

    The necessary travel and health documents for your Trieste Ronchi dei Legionari Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Trieste?

Book flights to Trieste if you plan to visit one of these locations
Udine
Grado

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to Trieste?

It is quick and easy to find Colorado to Trieste flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Trieste that suits you.

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

momondo does allow users to show only those flights to Trieste from Colorado which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Trieste 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 Trieste right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Colorado to Trieste flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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