$1,088+ Cheap flights from Denver (DEN) to Trieste (TRS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — TRS
Dec 9 — Dec 161
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Best
Last-minute
Cheapest flights from Denver to TriesteExplore the most affordable flight options available from Denver to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 9, 2026.
Explore the most affordable flight options available from Denver to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 9, 2026.
This Expedia deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/235:57 pm -
2 stops36h 33m
Wed 12/306:35 am -
2 stops39h 55m
Deal found 11/7![Lufthansa logo]()
$1,584
This Mytrip deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2311:52 pm -
3 stops30h 38m
Wed 12/306:35 am -
3 stops35h 20m
Deal found 11/7![Multiple Airlines logo]()
$2,000
Best flights from Denver to TriesteDiscover carefully curated flight deals from Denver to Trieste that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 9, 2026.
Discover carefully curated flight deals from Denver to Trieste that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 9, 2026.
This oojo deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/238:10 pm -
2 stops39h 20m
Tue 5/2511:15 am -
2 stops33h 25m
Deal found 11/5![Icelandair logo]()
$1,088
This oojo deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/238:10 pm -
2 stops43h 45m
Tue 5/256:35 am -
2 stops44h 25m
Deal found 11/7![Multiple Airlines logo]()
$1,088
This United Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/278:25 pm -
2 stops30h 00m
Wed 3/36:35 am -
2 stops21h 51m
Deal found 11/6![United Airlines logo]()
$1,226
This Expedia deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/235:57 pm -
2 stops36h 33m
Wed 12/306:35 am -
2 stops39h 55m
Deal found 11/7![Lufthansa logo]()
$1,584
This Mytrip deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/237:08 pm -
3 stops35h 22m
Wed 12/307:15 pm -
2 stops33h 13m
Deal found 11/7![Multiple Airlines logo]()
$2,023
Last-minute flights from Denver to TriesteDiscover last-minute flight deals from Denver to Trieste. Data last updated November 9, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Trieste. Data last updated November 9, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/235:57 pm -
2 stops36h 33m
Wed 12/306:35 am -
2 stops39h 55m
Deal found 11/7![Lufthansa logo]()
$1,584
This Mytrip deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2311:52 pm -
3 stops30h 38m
Wed 12/306:35 am -
3 stops35h 20m
Deal found 11/7![Multiple Airlines logo]()
$2,000
Find flight deals from Denver to Trieste
Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Trieste (TRS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 9, 2026.
Round-trip from | $1,088 (oojo) |
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Cheapflights 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, Cheapflights users made 7,457,451 searches. Data last updated November 9, 2026.
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
Cheapest round-trip
DenverTrieste
DEN Denver Intl - TRS Trieste Ronchi dei Legionari
DENTRS
Denver Intl
Tue 3/23
8:10 pm-6:30 pm
2 stops39h 20m
Trieste Ronchi dei Legionari
Tue 5/25
11:15 am-12:40 pm
2 stops33h 25m
$1,088
DenverTrieste
DEN Denver Intl - TRS Trieste Ronchi dei Legionari
DENTRS
Denver Intl
Tue 3/23
8:10 pm-10:55 pm
2 stops43h 45m
Trieste Ronchi dei Legionari
Tue 5/25
6:35 am-7:00 pm
2 stops44h 25m
$1,088
Quickest round-trip
DenverTrieste
DEN Denver Intl - TRS Trieste Ronchi dei Legionari
DENTRS
Denver Intl
Sat 2/27
8:25 pm-10:25 am
2 stops30h 00m
Trieste Ronchi dei Legionari
Wed 3/3
6:35 am-8:26 pm
2 stops21h 51m
$1,226
DenverTrieste
DEN Denver Intl - TRS Trieste Ronchi dei Legionari
DENTRS
Denver Intl
Wed 12/23
5:57 pm-2:30 pm
2 stops36h 33m
Trieste Ronchi dei Legionari
Wed 12/30
6:35 am-2:30 pm
2 stops39h 55m
$1,584
DenverTrieste
DEN Denver Intl - TRS Trieste Ronchi dei Legionari
DENTRS
Denver Intl
Wed 12/23
7:08 pm-2:30 pm
3 stops35h 22m
Trieste Ronchi dei Legionari
Wed 12/30
7:15 pm-8:28 pm
2 stops33h 13m
$2,023
Sorted by cheapest first
Best time to book a flight from Denver to Trieste
Have a flexible travel schedule? Discover the best time to fly to Trieste from Denver with our price prediction graph.
DEN-TRS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Related info for your journey
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