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Trieste

$932+ Cheap flights from Detroit (DTT) 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — TRS
Jul 9 — Jul 161
Thu 7/9
Thu 7/16
1 adult, Economy
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Cheap flight deals from Detroit to Trieste

Cheapest flights from Detroit to Trieste
Explore the most affordable flight options available from Detroit to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 2026.

This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:00 pm
DTW
-
TRS
1 stop12h 30m
KLM
Thu 10/226:35 am
TRS
-
DTW
1 stop12h 45m
KLM
Deal found 6/4$932
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.
Sun 9/1310:05 am
DTW
-
TRS
3 stops31h 00m
Multiple Airlines
Sat 9/198:30 am
TRS
-
DTW
3 stops31h 37m
Multiple Airlines
Deal found 6/7$1,031
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.
Sun 9/134:00 pm
DTW
-
TRS
1 stop15h 45m
Lufthansa
Sat 9/192:45 pm
TRS
-
DTW
1 stop29h 10m
Lufthansa
Deal found 6/7$1,087

Find flight deals from Detroit to Trieste

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) 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 June 9, 2026.

Round-trip from

$932
(KLM)
From Detroit (DTT) to Trieste Ronchi dei Legionari
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit 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 Detroit to Trieste that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Mon 10/19

8:00 pm-10:55 pm

1 stop20h 55m

Trieste Ronchi dei Legionari

Thu 10/22

6:35 am-1:20 pm

1 stop12h 45m

$932

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Sun 9/13

4:00 pm-1:45 pm

1 stop15h 45m

Trieste Ronchi dei Legionari

Sat 9/19

2:45 pm-1:55 pm

1 stop29h 10m

$1,087

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Sun 9/13

10:05 am-11:05 pm

3 stops31h 00m

Trieste Ronchi dei Legionari

Sat 9/19

1:15 pm-6:45 pm

2 stops35h 30m

$1,129
Cheapest one-way

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Sun 11/8

9:38 pm-6:30 pm

3 stops38h 52m

$2,152
Quickest one-way

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Sun 11/8

4:05 pm-2:05 pm

1 stop16h 00m

$4,098

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/6

Sorted by cheapest first

Best time to book a flight from Detroit to Trieste

Have a flexible travel schedule? Discover the best time to fly to Trieste from Detroit with our price prediction graph.
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 Detroit to Trieste
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Detroit to Trieste. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Detroit to Trieste?

    Departing from Detroit to Trieste will take you 15h 45m. The distance between Detroit and Trieste is about 4497 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Detroit to Trieste that include hotel bookings?

    Yes. In addition to deals on Detroit to Trieste flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Detroit to Trieste?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to Trieste.

  • Can I find deals for business class flights from Detroit to Trieste?

    Yes. Cheapflights offers flight deals from Detroit to Trieste by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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