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Cheap flights from Detroit to Trieste from $700

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to Trieste departing on 2/9. 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.
Multiple Airlines Logo
6:15 pm - 2:00 pm
DTW
-
TRS
13h 45m2 stops
Multiple Airlines Logo
3:15 pm - 5:35 pm
TRS
-
DTW
56h 20m2 stops
$700Multiple Airlines
Mon, Feb 9 - Mon, Feb 16
Multiple Airlines Logo
4:05 pm - 2:00 pm
DTW
-
TRS
15h 55m1 stop
Multiple Airlines Logo
3:15 pm - 5:35 pm
TRS
-
DTW
56h 20m2 stops
$731Multiple Airlines
Mon, Feb 9 - Mon, Feb 16
Multiple Airlines Logo
6:15 pm - 2:00 pm
DTW
-
TRS
13h 45m2 stops
Multiple Airlines Logo
6:15 pm - 12:25 am
TRS
-
DTW
36h 10m3 stops
$958Multiple Airlines
Mon, Feb 9 - Mon, Feb 16
Turkish Airlines Logo
8:50 pm - 6:30 pm
DTW
-
TRS
39h 40m2 stops
Turkish Airlines Logo
11:15 am - 6:45 pm
TRS
-
DTW
37h 30m2 stops
$995Turkish Airlines
Fri, Apr 24 - Sun, May 3
Turkish Airlines Logo
8:05 pm - 6:30 pm
DTW
-
TRS
40h 25m2 stops
Turkish Airlines Logo
11:15 am - 6:10 pm
TRS
-
DTW
36h 55m2 stops
$1,046Turkish Airlines
Wed, Feb 4 - Sun, Feb 8
Turkish Airlines Logo
8:05 pm - 6:30 pm
DTW
-
TRS
40h 25m2 stops
Turkish Airlines Logo
11:15 am - 6:10 pm
TRS
-
DTW
36h 55m2 stops
$1,047Turkish Airlines
Wed, Jan 21 - Sun, Jan 25
Lufthansa Logo
5:15 pm - 2:05 pm
DTW
-
TRS
15h 50m1 stop
Lufthansa Logo
2:45 pm - 1:55 pm
TRS
-
DTW
29h 10m1 stop
$1,121Lufthansa
Thu, Mar 19 - Sat, Apr 4
Lufthansa Logo
5:15 pm - 6:30 pm
DTW
-
TRS
20h 15m2 stops
Lufthansa Logo
2:45 pm - 1:55 pm
TRS
-
DTW
29h 10m1 stop
$1,131Lufthansa
Thu, Mar 19 - Sat, Apr 4
Turkish Airlines Logo
8:05 pm - 6:30 pm
DTW
-
TRS
40h 25m2 stops
Turkish Airlines Logo
6:35 am - 6:10 pm
TRS
-
DTW
41h 35m2 stops
$1,137Turkish Airlines
Wed, Feb 4 - Sun, Feb 8
Lufthansa Logo
5:15 pm - 6:30 pm
DTW
-
TRS
20h 15m2 stops
Lufthansa Logo
2:45 pm - 1:55 pm
TRS
-
DTW
29h 10m1 stop
$1,139Lufthansa
Thu, Mar 19 - Sat, Apr 4

Turkish Airlines flights from Detroit to Trieste

Our best Turkish Airlines deals on Detroit to Trieste flight tickets
Turkish Airlines
Apr 24
DTW8:50 pmDetroit Metropolitan Wayne County
39h 40m
2 stops
TRS6:30 pmTrieste Ronchi dei Legionari
May 3
TRS11:15 amTrieste Ronchi dei Legionari
37h 30m
2 stops
DTW6:45 pmDetroit Metropolitan Wayne County
$995
Find similar
Turkish Airlines
Feb 4
DTW8:05 pmDetroit Metropolitan Wayne County
40h 25m
2 stops
TRS6:30 pmTrieste Ronchi dei Legionari
Feb 8
TRS11:15 amTrieste Ronchi dei Legionari
36h 55m
2 stops
DTW6:10 pmDetroit Metropolitan Wayne County
$1,046
Find similar
Turkish Airlines
Jan 21
DTW8:05 pmDetroit Metropolitan Wayne County
40h 25m
2 stops
TRS6:30 pmTrieste Ronchi dei Legionari
Jan 25
TRS11:15 amTrieste Ronchi dei Legionari
36h 55m
2 stops
DTW6:10 pmDetroit Metropolitan Wayne County
$1,047
Find similar

Lufthansa flights from Detroit to Trieste

Our best Lufthansa deals on Detroit to Trieste flight tickets
Lufthansa
Mar 19
DTW5:15 pmDetroit Metropolitan Wayne County
15h 50m
1 stop
TRS2:05 pmTrieste Ronchi dei Legionari
Apr 4
TRS2:45 pmTrieste Ronchi dei Legionari
29h 10m
1 stop
DTW1:55 pmDetroit Metropolitan Wayne County
$1,121
Find similar
Lufthansa
Mar 19
DTW5:15 pmDetroit Metropolitan Wayne County
20h 15m
2 stops
TRS6:30 pmTrieste Ronchi dei Legionari
Apr 4
TRS2:45 pmTrieste Ronchi dei Legionari
29h 10m
1 stop
DTW1:55 pmDetroit Metropolitan Wayne County
$1,131
Find similar
Lufthansa
Mar 19
DTW5:15 pmDetroit Metropolitan Wayne County
20h 15m
2 stops
TRS6:30 pmTrieste Ronchi dei Legionari
Apr 4
TRS2:45 pmTrieste Ronchi dei Legionari
29h 10m
1 stop
DTW1:55 pmDetroit Metropolitan Wayne County
$1,139
Find similar

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 December 26, 2025.
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

Mon 2/9

6:15 pm-2:00 pm

2 stops13h 45m

Trieste Ronchi dei Legionari

Mon 2/16

3:15 pm-5:35 pm

2 stops56h 20m

$700

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Mon 2/9

4:05 pm-2:00 pm

1 stop15h 55m

Trieste Ronchi dei Legionari

Mon 2/16

3:15 pm-5:35 pm

2 stops56h 20m

$731

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Mon 2/9

6:15 pm-2:00 pm

2 stops13h 45m

Trieste Ronchi dei Legionari

Mon 2/16

6:15 pm-12:25 am

3 stops36h 10m

$958

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Fri 4/24

8:50 pm-6:30 pm

2 stops39h 40m

Trieste Ronchi dei Legionari

Sun 5/3

11:15 am-6:45 pm

2 stops37h 30m

$995

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Wed 2/4

8:05 pm-6:30 pm

2 stops40h 25m

Trieste Ronchi dei Legionari

Sun 2/8

11:15 am-6:10 pm

2 stops36h 55m

$1,046

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Wed 1/21

8:05 pm-6:30 pm

2 stops40h 25m

Trieste Ronchi dei Legionari

Sun 1/25

11:15 am-6:10 pm

2 stops36h 55m

$1,047

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Thu 3/19

5:15 pm-2:05 pm

1 stop15h 50m

Trieste Ronchi dei Legionari

Sat 4/4

2:45 pm-1:55 pm

1 stop29h 10m

$1,121

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Thu 3/19

5:15 pm-6:30 pm

2 stops20h 15m

Trieste Ronchi dei Legionari

Sat 4/4

2:45 pm-1:55 pm

1 stop29h 10m

$1,131

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Wed 2/4

8:05 pm-6:30 pm

2 stops40h 25m

Trieste Ronchi dei Legionari

Sun 2/8

6:35 am-6:10 pm

2 stops41h 35m

$1,137

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Thu 3/19

5:15 pm-6:30 pm

2 stops20h 15m

Trieste Ronchi dei Legionari

Sat 4/4

2:45 pm-1:55 pm

1 stop29h 10m

$1,139

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 airlines fly to Trieste?

Delta, Turkish Airlines and KLM 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 56% 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

15h 50m

Direct flights

None
The fastest flight from Detroit to Trieste takes 15h 50m
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 15h 50m.

  • 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.

An easier way to manage your Trieste trip

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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
KLM
United Airlines
Lufthansa
Air France
British Airways