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Cheap flights from Denver to Trieste from $302

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 Trieste departing on 10/15. 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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Cheap round-trip flights

Lufthansa Logo
4:15 pm - 10:25 pmDEN-TRS
22h 10m2 stops
Lufthansa Logo
6:30 am - 3:35 pmTRS-DEN
17h 05m1 stop
$808Lufthansa
Find Deal
Fri, Aug 15 - Tue, Aug 19
Lufthansa Logo
4:15 pm - 10:25 pmDEN-TRS
22h 10m2 stops
Lufthansa Logo
6:30 am - 1:45 pmTRS-DEN
15h 15m2 stops
$872Lufthansa
Find Deal
Fri, Aug 15 - Tue, Aug 19
Logo
5:59 pm - 2:05 pmDEN-TRS
12h 06m1 stop
Logo
6:30 am - 3:35 pmTRS-DEN
17h 05m1 stop
$906
Find Deal
Fri, Aug 15 - Tue, Aug 19
Logo
5:50 pm - 10:25 pmDEN-TRS
20h 35m2 stops
Logo
6:30 am - 8:00 pmTRS-DEN
21h 30m3 stops
$1,203
Find Deal
Fri, Aug 15 - Tue, Aug 19
Logo
8:10 pm - 10:25 pmDEN-TRS
18h 15m3 stops
Logo
7:15 pm - 6:55 pmTRS-DEN
31h 40m3 stops
$1,803
Find Deal
Fri, Aug 15 - Tue, Aug 19

Lufthansa flights from Denver to Trieste

Our best Lufthansa deals on Denver to Trieste flight tickets
Lufthansa
Aug 15
DEN4:15 pmDenver Intl
22h 10m
2 stops
TRS10:25 pmTrieste Ronchi dei Legionari
Aug 19
TRS6:30 amTrieste Ronchi dei Legionari
17h 05m
1 stop
DEN3:35 pmDenver Intl
$808
Find similar
Lufthansa
Aug 15
DEN4:15 pmDenver Intl
22h 10m
2 stops
TRS10:25 pmTrieste Ronchi dei Legionari
Aug 19
TRS6:30 amTrieste Ronchi dei Legionari
15h 15m
2 stops
DEN1:45 pmDenver Intl
$872
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Denver 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 August 1, 2025.
Use the filters below to find and compare flights from Denver to Trieste that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverTrieste

DEN - TRS

DENTRS

Denver Intl

Fri 8/15

4:15 pm-10:25 pm

2 stops22h 10m

Trieste Ronchi dei Legionari

Tue 8/19

6:30 am-3:35 pm

1 stop17h 05m

$808

DenverTrieste

DEN - TRS

DENTRS

Denver Intl

Fri 8/15

4:15 pm-10:25 pm

2 stops22h 10m

Trieste Ronchi dei Legionari

Tue 8/19

6:30 am-1:45 pm

2 stops15h 15m

$872

DenverTrieste

DEN - TRS

DENTRS

Denver Intl

Fri 8/15

5:59 pm-2:05 pm

1 stop12h 06m

Trieste Ronchi dei Legionari

Tue 8/19

6:30 am-3:35 pm

1 stop17h 05m

$906

DenverTrieste

DEN - TRS

DENTRS

Denver Intl

Fri 8/15

5:50 pm-10:25 pm

2 stops20h 35m

Trieste Ronchi dei Legionari

Tue 8/19

6:30 am-8:00 pm

3 stops21h 30m

$1,203

DenverTrieste

DEN - TRS

DENTRS

Denver Intl

Fri 8/15

8:10 pm-10:25 pm

3 stops18h 15m

Trieste Ronchi dei Legionari

Tue 8/19

7:15 pm-6:55 pm

3 stops31h 40m

$1,803

DenverTrieste

DEN - TRS

DENTRS

Denver Intl

Wed 10/15

11:45 am-9:35 am

3 stops37h 50m

$302

DenverTrieste

DEN - TRS

DENTRS

Denver Intl

Wed 10/15

6:10 am-6:35 pm

2 stops28h 25m

$401

DenverTrieste

DEN - TRS

DENTRS

Denver Intl

Wed 10/15

5:59 pm-2:05 pm

1 stop12h 06m

$515

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 Denver 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 Denver 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 Denver to Trieste flights?

You could potentially save up to 14% on your flight if you consider stops on a Denver to Trieste flight.

When to book flights from Denver to Trieste

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Trieste according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Denver to Trieste (DEN to TRS) flight deals and tips

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

Best Price Found

$302

Fastest flight time

12h 06m

Direct flights

None

Airports in Trieste

1 airport
The best one-way flight to Trieste from Denver in the past 72 hours is $302. The best round-trip flight deal from Denver to Trieste found on momondo in the last 72 hours is $808.
The fastest flight from Denver to Trieste takes 12h 06m
There are no direct flights from Denver to Trieste. Popular non-direct route for this connection is Denver Intl Airport - Trieste Ronchi dei Legionari Airport.
There is 1 airport near Trieste: Trieste Ronchi dei Legionari (TRS)
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  • How far is Denver Intl to Trieste Ronchi dei Legionari by plane?

    The distance between Denver Intl and Trieste Ronchi dei Legionari is about 5423.3 mi. By plane, this route typically takes 12h 06m.

  • When did momondo last update prices for flights from Denver Intl Airport to Trieste Ronchi dei Legionari Airport?

    Prices for flights from Denver Intl Airport to Trieste Ronchi dei Legionari Airport are updated daily.

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

    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 Trieste Ronchi dei Legionari Airport.

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

    The travel and health documents required for your trip to Trieste Ronchi dei Legionari Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Trieste Ronchi dei Legionari Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Trieste?

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

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Trieste from Denver.

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

Yes. momondo enables you to select and highlight flights to Trieste from Denver with this policy.

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

Once you have performed a search for Denver to Trieste flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Denver 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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