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Cheap flights from Detroit to Trieste from $1,161

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to Trieste departing on 7/10. 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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Find the cheapest flights from Detroit to Trieste

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
4:30 pm - 6:30 pm
DTW
-
TRS
20h 00m
2 stops
KLM Logo
6:35 am - 5:55 pm
TRS
-
DTW
17h 20m
2 stops
$1,448KLM
Wed, Feb 18 - Sat, Feb 21
Multiple Airlines Logo
6:15 pm - 9:10 pm
DTW
-
TRS
20h 55m
3 stops
Multiple Airlines Logo
6:10 pm - 7:52 pm
TRS
-
DTW
31h 42m
3 stops
$1,501Multiple Airlines
Wed, Feb 18 - Sat, Feb 21
Multiple Airlines Logo
6:15 pm - 10:40 pm
DTW
-
TRS
22h 25m
2 stops
Multiple Airlines Logo
6:25 am - 2:15 pm
TRS
-
DTW
13h 50m
1 stop
$1,503Multiple Airlines
Wed, Feb 18 - Sat, Feb 21
Multiple Airlines Logo
6:15 pm - 9:10 pm
DTW
-
TRS
20h 55m
3 stops
Multiple Airlines Logo
12:45 pm - 2:15 pm
TRS
-
DTW
31h 30m
2 stops
$1,543Multiple Airlines
Wed, Feb 18 - Sat, Feb 21
United Airlines Logo
9:10 am - 10:25 am
DTW
-
TRS
19h 15m
2 stops
United Airlines Logo
6:35 am - 9:10 pm
TRS
-
DTW
20h 35m
2 stops
$1,946United Airlines
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
10:28 am - 10:25 am
DTW
-
TRS
17h 57m
2 stops
United Airlines Logo
6:35 am - 9:10 pm
TRS
-
DTW
20h 35m
2 stops
$1,965United Airlines
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
10:28 am - 10:25 am
DTW
-
TRS
18h 57m
2 stops
United Airlines Logo
6:35 am - 6:18 pm
TRS
-
DTW
17h 43m
2 stops
$1,989United Airlines
Thu, Mar 19 - Sat, Apr 4
United Airlines Logo
2:20 pm - 10:25 am
DTW
-
TRS
14h 05m
2 stops
United Airlines Logo
6:35 am - 10:57 pm
TRS
-
DTW
22h 22m
2 stops
$2,295United Airlines
Wed, Mar 4 - Sun, Mar 8

United Airlines flights from Detroit to Trieste

Our best United Airlines deals on Detroit to Trieste flight tickets
United Airlines
Mar 4
DTW9:10 amDetroit Metropolitan Wayne County
19h 15m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Mar 8
TRS6:35 amTrieste Ronchi dei Legionari
20h 35m
2 stops
DTW9:10 pmDetroit Metropolitan Wayne County
$1,946
United Airlines
Mar 4
DTW10:28 amDetroit Metropolitan Wayne County
17h 57m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Mar 8
TRS6:35 amTrieste Ronchi dei Legionari
20h 35m
2 stops
DTW9:10 pmDetroit Metropolitan Wayne County
$1,965
United Airlines
Mar 19
DTW10:28 amDetroit Metropolitan Wayne County
18h 57m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Apr 4
TRS6:35 amTrieste Ronchi dei Legionari
17h 43m
2 stops
DTW6:18 pmDetroit Metropolitan Wayne County
$1,989

momondo 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, momondo users made 832,500 searches. Data last updated February 6, 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

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Wed 2/18

4:30 pm-6:30 pm

2 stops20h 00m

Trieste Ronchi dei Legionari

Sat 2/21

6:35 am-5:55 pm

2 stops17h 20m

$1,448

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Wed 2/18

6:15 pm-9:10 pm

3 stops20h 55m

Trieste Ronchi dei Legionari

Sat 2/21

6:10 pm-7:52 pm

3 stops31h 42m

$1,501

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Wed 2/18

6:15 pm-10:40 pm

2 stops22h 25m

Trieste Ronchi dei Legionari

Sat 2/21

6:25 am-2:15 pm

1 stop13h 50m

$1,503

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Wed 2/18

6:15 pm-9:10 pm

3 stops20h 55m

Trieste Ronchi dei Legionari

Sat 2/21

12:45 pm-2:15 pm

2 stops31h 30m

$1,543

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Wed 3/4

9:10 am-10:25 am

2 stops19h 15m

Trieste Ronchi dei Legionari

Sun 3/8

6:35 am-9:10 pm

2 stops20h 35m

$1,946

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Wed 3/4

10:28 am-10:25 am

2 stops17h 57m

Trieste Ronchi dei Legionari

Sun 3/8

6:35 am-9:10 pm

2 stops20h 35m

$1,965

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Thu 3/19

10:28 am-10:25 am

2 stops18h 57m

Trieste Ronchi dei Legionari

Sat 4/4

6:35 am-6:18 pm

2 stops17h 43m

$1,989

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Wed 3/4

2:20 pm-10:25 am

2 stops14h 05m

Trieste Ronchi dei Legionari

Sun 3/8

6:35 am-10:57 pm

2 stops22h 22m

$2,295

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Fri 7/10

7:48 pm-10:25 am

2 stops32h 37m

$1,161

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Fri 7/10

2:20 pm-10:25 am

2 stops14h 05m

$1,240

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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See travel insights to Trieste from

How to get the cheapest flight ticket from Detroit 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 airline that flies from Detroit to Trieste Ronchi dei Legionari?

United Airlines is the most popular carrier operating from Detroit to Trieste Ronchi dei Legionari

What airlines fly to Trieste?

Delta, Turkish Airlines and United Airlines are the top three most popular airlines that fly to Trieste from Detroit according to our data. Delta is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 7 different airlines that fly to Trieste on a routine basis, so you have a few additional options to choose from.

When to book flights from Detroit to Trieste

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

Cheap Detroit to Trieste (DTT to TRS) flight deals and tips

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

Fastest flight time

17h 57m

Direct flights

None
The fastest flight from Detroit to Trieste takes 17h 57m
There are no direct flights from Detroit to Trieste. There are no popular flight routes from Detroit to Trieste.
Search flight deals

  • How far is Detroit to Trieste Ronchi dei Legionari by plane?

    A flight from Detroit to Trieste Ronchi dei Legionari will travel around 4498.4 mi. In terms of flight time, this usually takes a little over 17h 57m.

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

    Prices for flights from Detroit to Trieste Ronchi dei Legionari Airport are refreshed on a daily basis.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Detroit 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
Udine
Grado

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Detroit to Trieste for you.

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

Yes. All flights to Trieste from Detroit on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Detroit 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 Detroit to Trieste right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Trieste from Detroit. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to Italy

Fly your favorite airline to Trieste

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Delta
Turkish Airlines
United Airlines
Lufthansa
Air France
British Airways
KLM