$558+ Cheap flights from Colorado to Trieste (TRS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — TRS
Jul 9 — Jul 161
Round-trip
1 adult, Economy
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Find cheap flights from Colorado to Trieste with Cheapflights
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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
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Cheapest flights from Colorado to TriesteExplore the most affordable flight options available from Colorado to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 2026.
Explore the most affordable flight options available from Colorado to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 2026.
This KAYAK deal was found by Cheapflights users on 6/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/195:40 pm
DEN
- TRS
1 stop20h 35m
Lufthansa
Thu 8/62:40 pm
TRS
- DEN
2 stops17h 08m
Lufthansa
Deal found 6/5![Lufthansa logo]()
$1,013
This KAYAK deal was found by Cheapflights users on 6/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2010:20 am
DEN
- TRS
2 stops19h 35m
Lufthansa
Thu 8/66:15 am
TRS
- DEN
2 stops25h 33m
Lufthansa
Deal found 6/5![Lufthansa logo]()
$1,018
This Justfly.com deal was found by Cheapflights users on 6/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:10 pm
DEN
- TRS
2 stops35h 35m
Lufthansa
Mon 9/72:50 pm
TRS
- DEN
2 stops41h 04m
Lufthansa
Deal found 6/7![Lufthansa logo]()
$1,062
This KAYAK deal was found by Cheapflights users on 6/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/185:40 pm
DEN
- TRS
1 stop20h 35m
Lufthansa
Tue 8/46:20 am
TRS
- DEN
2 stops26h 10m
Lufthansa
Deal found 6/5![Lufthansa logo]()
$1,063
This KAYAK deal was found by Cheapflights users on 6/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/238:00 am
DEN
- TRS
2 stops21h 55m
Lufthansa
Tue 8/46:20 am
TRS
- DEN
2 stops26h 10m
Lufthansa
Deal found 6/5![Lufthansa logo]()
$1,068
This KAYAK deal was found by Cheapflights users on 6/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/175:40 pm
DEN
- TRS
1 stop12h 15m
Lufthansa
Thu 8/62:40 pm
TRS
- DEN
2 stops17h 08m
Lufthansa
Deal found 6/5![Lufthansa logo]()
$1,109
This KAYAK deal was found by Cheapflights users on 6/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/195:40 pm
DEN
- TRS
1 stop20h 35m
Lufthansa
Wed 8/56:10 am
TRS
- DEN
1 stop17h 30m
Lufthansa
Deal found 6/5![Lufthansa logo]()
$1,140
This KAYAK deal was found by Cheapflights users on 6/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/208:00 am
DEN
- TRS
2 stops21h 55m
Lufthansa
Wed 8/56:10 am
TRS
- DEN
1 stop17h 30m
Lufthansa
Deal found 6/5![Lufthansa logo]()
$1,145
Best flights from Colorado to TriesteDiscover carefully curated flight deals from Colorado to Trieste that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 9, 2026.
Discover carefully curated flight deals from Colorado to Trieste that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 9, 2026.
This Justfly.com deal was found by Cheapflights users on 6/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:10 pm
DEN
- TRS
2 stops35h 35m
Lufthansa
Mon 9/72:50 pm
TRS
- DEN
2 stops41h 04m
Lufthansa
Deal found 6/7![Lufthansa logo]()
$1,062
This Mytrip deal was found by Cheapflights users on 6/7. 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.
Sat 8/224:40 pm
DEN
- TRS
3 stops33h 45m
Multiple Airlines
Mon 9/77:15 pm
TRS
- DEN
2 stops31h 10m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,299
This United Airlines deal was found by Cheapflights users on 6/4. 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 10/1011:59 pm
DEN
- TRS
2 stops26h 26m
United Airlines
Mon 10/196:35 am
TRS
- DEN
2 stops20h 11m
United Airlines
Deal found 6/4![United Airlines logo]()
$1,319
This ITA Airways deal was found by Cheapflights users on 6/5. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:13 am
DEN
- TRS
2 stops24h 17m
ITA Airways
Wed 8/57:15 pm
TRS
- DEN
2 stops34h 12m
ITA Airways
Deal found 6/5![ITA Airways logo]()
$1,687
This ITA Airways deal was found by Cheapflights users on 6/5. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/186:13 am
DEN
- TRS
2 stops20h 12m
ITA Airways
Sat 8/17:15 pm
TRS
- DEN
2 stops34h 12m
ITA Airways
Deal found 6/5![ITA Airways logo]()
$1,688
This ITA Airways deal was found by Cheapflights users on 6/5. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/186:13 am
DEN
- TRS
2 stops24h 17m
ITA Airways
Fri 8/76:35 am
TRS
- DEN
2 stops22h 52m
ITA Airways
Deal found 6/5![ITA Airways logo]()
$1,688
This ITA Airways deal was found by Cheapflights users on 6/5. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/246:13 am
DEN
- TRS
2 stops32h 42m
ITA Airways
Wed 8/57:15 pm
TRS
- DEN
2 stops34h 12m
ITA Airways
Deal found 6/5![ITA Airways logo]()
$1,811
This ITA Airways deal was found by Cheapflights users on 6/5. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/196:13 am
DEN
- TRS
2 stops28h 17m
ITA Airways
Wed 8/57:15 pm
TRS
- DEN
2 stops34h 12m
ITA Airways
Deal found 6/5![ITA Airways logo]()
$1,891
This ITA Airways deal was found by Cheapflights users on 6/5. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:13 am
DEN
- TRS
2 stops28h 17m
ITA Airways
Sat 8/17:15 pm
TRS
- DEN
2 stops34h 12m
ITA Airways
Deal found 6/5![ITA Airways logo]()
$1,931
Last-minute flights from Colorado to TriesteDiscover last-minute flight deals from Colorado to Trieste. Data last updated June 9, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Trieste. Data last updated June 9, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 6/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/175:40 pm
DEN
- TRS
1 stop12h 15m
Lufthansa
Thu 8/62:40 pm
TRS
- DEN
2 stops17h 08m
Lufthansa
Deal found 6/5![Lufthansa logo]()
$1,109
This KAYAK deal was found by Cheapflights users on 6/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/185:40 pm
DEN
- TRS
1 stop20h 35m
Lufthansa
Tue 8/46:20 am
TRS
- DEN
2 stops26h 10m
Lufthansa
Deal found 6/5![Lufthansa logo]()
$1,063
This KAYAK deal was found by Cheapflights users on 6/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/195:40 pm
DEN
- TRS
1 stop20h 35m
Lufthansa
Thu 8/62:40 pm
TRS
- DEN
2 stops17h 08m
Lufthansa
Deal found 6/5![Lufthansa logo]()
$1,013
This KAYAK deal was found by Cheapflights users on 6/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/195:40 pm
DEN
- TRS
1 stop20h 35m
Lufthansa
Wed 8/56:10 am
TRS
- DEN
1 stop17h 30m
Lufthansa
Deal found 6/5![Lufthansa logo]()
$1,140
This KAYAK deal was found by Cheapflights users on 6/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/195:40 pm
DEN
- TRS
1 stop20h 35m
Lufthansa
Fri 8/76:10 am
TRS
- DEN
2 stops26h 20m
Lufthansa
Deal found 6/5![Lufthansa logo]()
$1,150
This KAYAK deal was found by Cheapflights users on 6/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2010:20 am
DEN
- TRS
2 stops19h 35m
Lufthansa
Thu 8/66:15 am
TRS
- DEN
2 stops25h 33m
Lufthansa
Deal found 6/5![Lufthansa logo]()
$1,018
This KAYAK deal was found by Cheapflights users on 6/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/208:00 am
DEN
- TRS
2 stops21h 55m
Lufthansa
Wed 8/56:10 am
TRS
- DEN
1 stop17h 30m
Lufthansa
Deal found 6/5![Lufthansa logo]()
$1,145
This KAYAK deal was found by Cheapflights users on 6/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/238:00 am
DEN
- TRS
2 stops21h 55m
Lufthansa
Tue 8/46:20 am
TRS
- DEN
2 stops26h 10m
Lufthansa
Deal found 6/5![Lufthansa logo]()
$1,068
One-way flights from Colorado to TriesteSearch for one-way flight options from Colorado to Trieste. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
Search for one-way flight options from Colorado to Trieste. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
This oojo deal was found by Cheapflights users on 6/8. 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.
Fri 7/105:40 pm
DEN
- TRS
1 stop12h 15m
Lufthansa
Deal found 6/8![Lufthansa logo]()
$558
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/147:40 am
DEN
- TRS
3 stops51h 20m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$566
This United Airlines deal was found by Cheapflights users on 6/4. 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.
Wed 9/231:58 pm
DEN
- TRS
2 stops36h 27m
United Airlines
Deal found 6/4![United Airlines logo]()
$617
This Cheapflightsfares deal was found by Cheapflights users on 6/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/145:40 pm
DEN
- TRS
1 stop20h 35m
Lufthansa
Deal found 6/8![Lufthansa logo]()
$844
This BusinessClass deal was found by Cheapflights users on 6/8. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:10 pm
DEN
- TRS
2 stops42h 45m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,873
This Cheapflightsfares deal was found by Cheapflights users on 6/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/43:55 pm
DEN
- TRS
1 stop22h 00m
Lufthansa
Deal found 6/5![Lufthansa logo]()
$4,468
Find flight deals from Colorado to Trieste
Keep the following information in mind while searching for Colorado to Trieste flight deals. Data was last updated June 9, 2026.
Round-trip from | $1,013 (KAYAK) |
|---|---|
One-way from | $558 (oojo) |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 9, 2026.
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
Cheapest round-trip
DenverTrieste
DEN - TRS
DENTRS
Denver Intl
Sat 8/22
6:10 pm-1:45 pm
2 stops35h 35m
Trieste Ronchi dei Legionari
Mon 9/7
2:50 pm-11:54 pm
2 stops41h 04m
$1,062
DenverTrieste
DEN - TRS
DENTRS
Denver Intl
Sat 8/22
4:40 pm-10:25 am
3 stops33h 45m
Trieste Ronchi dei Legionari
Mon 9/7
7:15 pm-6:25 pm
2 stops31h 10m
$1,299
Quickest round-trip
DenverTrieste
DEN - TRS
DENTRS
Denver Intl
Sat 10/10
11:59 pm-10:25 am
2 stops26h 26m
Trieste Ronchi dei Legionari
Mon 10/19
6:35 am-6:46 pm
2 stops20h 11m
$1,319
DenverTrieste
DEN - TRS
DENTRS
Denver Intl
Thu 7/23
6:13 am-2:30 pm
2 stops24h 17m
Trieste Ronchi dei Legionari
Wed 8/5
7:15 pm-9:27 pm
2 stops34h 12m
$1,687
DenverTrieste
DEN - TRS
DENTRS
Denver Intl
Sat 7/18
6:13 am-10:25 am
2 stops20h 12m
Trieste Ronchi dei Legionari
Sat 8/1
7:15 pm-9:27 pm
2 stops34h 12m
$1,688
DenverTrieste
DEN - TRS
DENTRS
Denver Intl
Sat 7/18
6:13 am-2:30 pm
2 stops24h 17m
Trieste Ronchi dei Legionari
Fri 8/7
6:35 am-9:27 pm
2 stops22h 52m
$1,688
DenverTrieste
DEN - TRS
DENTRS
Denver Intl
Fri 7/24
6:13 am-10:55 pm
2 stops32h 42m
Trieste Ronchi dei Legionari
Wed 8/5
7:15 pm-9:27 pm
2 stops34h 12m
$1,811
DenverTrieste
DEN - TRS
DENTRS
Denver Intl
Sun 7/19
6:13 am-6:30 pm
2 stops28h 17m
Trieste Ronchi dei Legionari
Wed 8/5
7:15 pm-9:27 pm
2 stops34h 12m
$1,891
DenverTrieste
DEN - TRS
DENTRS
Denver Intl
Fri 7/17
6:13 am-6:30 pm
2 stops28h 17m
Trieste Ronchi dei Legionari
Sat 8/1
7:15 pm-9:27 pm
2 stops34h 12m
$1,931
Cheapest one-way
Quickest one-way
DenverTrieste
DEN - TRS
DENTRS
Denver Intl
Fri 7/10
5:40 pm-1:55 pm
1 stop12h 15m
$558
Showing 1-10 of 11 resultsSorted by cheapest first
Best time to book a flight from Colorado to Trieste
Have a flexible travel schedule? Discover the best time to fly to Trieste from Colorado 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.
Cheapflights Insights
Everything you need to know about your flight from Colorado to Trieste
USCO-TRS
DEN-TRS
No data available for this route at this time. Please check back soon.
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