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Trieste

$389+ Cheap flights from Detroit (DTT) 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — TRS
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find cheap flights from Detroit to Trieste with Cheapflights

1. Tell us where you want to go

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2. Select your favorite providers

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Cheap 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$756
(Lufthansa)
Provider with most accurate pricing for Detroit (DTT)-Trieste Ronchi dei Legionari flight deals.
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Provider most trusted by Cheapflights users for Detroit (DTT)-Trieste Ronchi dei Legionari flights.
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From Detroit (DTT) to Trieste Ronchi dei Legionari
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Find 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 October 30, 2025.

This Lufthansa deal was found by Cheapflights users on 10/28. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/124:00 pmDTW - TRS
1 stop16h 05mLufthansa
Sun 11/163:00 pmTRS - DTW
1 stop29h 10mLufthansa
Deal found 10/28$756
This business-class.com deal was found by Cheapflights users on 10/27. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/285:00 pmDTW - TRS
1 stop16h 00mLufthansa
Tue 11/46:15 amTRS - DTW
1 stop13h 55mLufthansa
Deal found 10/27$7,593
This Booking.com deal was found by Cheapflights users on 10/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/289:05 pmDTW - TRS
2 stops20h 50mMultiple Airlines
Tue 11/46:15 amTRS - DTW
1 stop13h 55mMultiple Airlines
Deal found 10/27$8,352

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 October 30, 2025.
Use the filters below to find and compare flights from Detroit to Trieste that are best for you.

Fly from

Detroit

Fly to

Trieste

Route

Depart

Return

Price

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Wed 11/12

4:00 pm-2:05 pm

1 stop16h 05m

Trieste Ronchi dei Legionari

Sun 11/16

3:00 pm-2:10 pm

1 stop29h 10m

$756

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Mon 12/8

2:05 pm-2:00 pm

2 stops17h 55m

$477

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Sun 12/7

2:43 pm-2:30 pm

2 stops17h 47m

$509

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Wed 12/10

2:43 pm-2:30 pm

2 stops17h 47m

$509

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Sat 12/6

5:10 pm-2:30 pm

1 stop15h 20m

$559

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Tue 12/9

12:10 pm-10:25 am

2 stops16h 15m

$609

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Tue 12/9

8:40 pm-6:30 pm

2 stops15h 50m

$615

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Compare providers for flights from Detroit to Trieste

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Detroit to Trieste in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Detroit-Trieste flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Detroit-Trieste flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Detroit-Trieste flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Detroit-Trieste flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Detroit-Trieste flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

What is the cheapest month to book a flight from Detroit to Trieste?

Currently, January is the cheapest month in which you can book a flight from Detroit to Trieste (average of $535). Flying from Detroit to Trieste in June is currently the most expensive (average of $1,069). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 16h 05m. The distance between Detroit and Trieste is about 4497 mi.

  • 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.

  • What is the cheapest month to book a flight from Detroit to Trieste?

    Currently, January is the cheapest month in which you can book a flight from Detroit to Trieste (average of $535). Flying from Detroit to Trieste in June is currently the most expensive (average of $1,069). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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