Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Detroit to Trieste from $815

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 12/3. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Detroit to Trieste

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
4:05 pm - 2:05 pmDTW-TRS
16h 00m1 stop
Lufthansa Logo
3:00 pm - 2:15 pmTRS-DTW
29h 15m1 stop
$815Lufthansa
Find Deal
Wed, Dec 3 - Sun, Dec 7
Lufthansa Logo
2:05 pm - 10:40 pmDTW-TRS
26h 35m2 stops
Lufthansa Logo
3:00 pm - 2:15 pmTRS-DTW
29h 15m1 stop
$819Lufthansa
Find Deal
Wed, Dec 3 - Sun, Dec 7
Lufthansa Logo
2:05 pm - 10:40 pmDTW-TRS
26h 35m2 stops
Lufthansa Logo
3:00 pm - 2:15 pmTRS-DTW
29h 15m1 stop
$820Lufthansa
Find Deal
Wed, Dec 3 - Sun, Dec 7
Lufthansa Logo
2:05 pm - 10:40 pmDTW-TRS
26h 35m2 stops
Lufthansa Logo
3:00 pm - 11:31 pmTRS-DTW
38h 31m2 stops
$830Lufthansa
Find Deal
Wed, Dec 3 - Sun, Dec 7
United Airlines Logo
10:28 am - 10:25 amDTW-TRS
17h 57m2 stops
United Airlines Logo
6:35 am - 8:17 pmTRS-DTW
18h 42m2 stops
$911United Airlines
Find Deal
Mon, Feb 23 - Mon, Mar 16
Lufthansa Logo
5:51 pm - 2:00 pmDTW-TRS
38h 09m2 stops
Lufthansa Logo
2:40 pm - 2:10 pmTRS-DTW
29h 30m1 stop
$1,082Lufthansa
Find Deal
Sat, Nov 22 - Tue, Nov 25
Multiple Airlines Logo
8:05 pm - 6:30 pmDTW-TRS
40h 25m2 stops
Multiple Airlines Logo
3:15 pm - 6:10 pmTRS-DTW
32h 55m2 stops
$1,102Multiple Airlines
Find Deal
Sat, Nov 22 - Tue, Nov 25
Turkish Airlines Logo
9:05 pm - 6:30 pmDTW-TRS
40h 25m2 stops
Turkish Airlines Logo
6:35 am - 6:50 pmTRS-DTW
42h 15m2 stops
$1,176Turkish Airlines
Find Deal
Thu, Mar 19 - Sat, Apr 4
Multiple Airlines Logo
7:00 am - 8:40 pmDTW-TRS
31h 40m3 stops
Multiple Airlines Logo
12:45 pm - 6:10 pmTRS-DTW
35h 25m2 stops
$1,205Multiple Airlines
Find Deal
Sat, Nov 22 - Tue, Nov 25
Turkish Airlines Logo
9:05 pm - 6:30 pmDTW-TRS
40h 25m2 stops
Turkish Airlines Logo
6:35 am - 6:50 pmTRS-DTW
42h 15m2 stops
$1,246Turkish Airlines
Find Deal
Thu, Mar 19 - Sat, Apr 4

Lufthansa flights from Detroit to Trieste

Our best Lufthansa deals on Detroit to Trieste flight tickets
Lufthansa
Dec 3
DTW4:05 pmDetroit Metropolitan Wayne County
16h 00m
1 stop
TRS2:05 pmTrieste Ronchi dei Legionari
Dec 7
TRS3:00 pmTrieste Ronchi dei Legionari
29h 15m
1 stop
DTW2:15 pmDetroit Metropolitan Wayne County
$815
Find similar
Lufthansa
Dec 3
DTW2:05 pmDetroit Metropolitan Wayne County
26h 35m
2 stops
TRS10:40 pmTrieste Ronchi dei Legionari
Dec 7
TRS3:00 pmTrieste Ronchi dei Legionari
29h 15m
1 stop
DTW2:15 pmDetroit Metropolitan Wayne County
$819
Find similar
Lufthansa
Dec 3
DTW2:05 pmDetroit Metropolitan Wayne County
26h 35m
2 stops
TRS10:40 pmTrieste Ronchi dei Legionari
Dec 7
TRS3:00 pmTrieste Ronchi dei Legionari
29h 15m
1 stop
DTW2:15 pmDetroit Metropolitan Wayne County
$820
Find similar

Turkish Airlines flights from Detroit to Trieste

Our best Turkish Airlines deals on Detroit to Trieste flight tickets
Turkish Airlines
Mar 19
DTW9:05 pmDetroit Metropolitan Wayne County
40h 25m
2 stops
TRS6:30 pmTrieste Ronchi dei Legionari
Apr 4
TRS6:35 amTrieste Ronchi dei Legionari
42h 15m
2 stops
DTW6:50 pmDetroit Metropolitan Wayne County
$1,176
Find similar
Turkish Airlines
Mar 19
DTW9:05 pmDetroit Metropolitan Wayne County
40h 25m
2 stops
TRS6:30 pmTrieste Ronchi dei Legionari
Apr 4
TRS6:35 amTrieste Ronchi dei Legionari
42h 15m
2 stops
DTW6:50 pmDetroit Metropolitan Wayne County
$1,246
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 November 10, 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

Wed 12/3

4:05 pm-2:05 pm

1 stop16h 00m

Trieste Ronchi dei Legionari

Sun 12/7

3:00 pm-2:15 pm

1 stop29h 15m

$815

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Wed 12/3

2:05 pm-10:40 pm

2 stops26h 35m

Trieste Ronchi dei Legionari

Sun 12/7

3:00 pm-2:15 pm

1 stop29h 15m

$819

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Wed 12/3

2:05 pm-10:40 pm

2 stops26h 35m

Trieste Ronchi dei Legionari

Sun 12/7

3:00 pm-2:15 pm

1 stop29h 15m

$820

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Wed 12/3

2:05 pm-10:40 pm

2 stops26h 35m

Trieste Ronchi dei Legionari

Sun 12/7

3:00 pm-11:31 pm

2 stops38h 31m

$830

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Mon 2/23

10:28 am-10:25 am

2 stops17h 57m

Trieste Ronchi dei Legionari

Mon 3/16

6:35 am-8:17 pm

2 stops18h 42m

$911

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Sat 11/22

5:51 pm-2:00 pm

2 stops38h 09m

Trieste Ronchi dei Legionari

Tue 11/25

2:40 pm-2:10 pm

1 stop29h 30m

$1,082

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Sat 11/22

8:05 pm-6:30 pm

2 stops40h 25m

Trieste Ronchi dei Legionari

Tue 11/25

3:15 pm-6:10 pm

2 stops32h 55m

$1,102

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Thu 3/19

9:05 pm-6:30 pm

2 stops40h 25m

Trieste Ronchi dei Legionari

Sat 4/4

6:35 am-6:50 pm

2 stops42h 15m

$1,176

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Sat 11/22

7:00 am-8:40 pm

3 stops31h 40m

Trieste Ronchi dei Legionari

Tue 11/25

12:45 pm-6:10 pm

2 stops35h 25m

$1,205

DetroitTrieste

DTW - TRS

DTWTRS

Detroit Metropolitan Wayne County

Thu 3/19

9:05 pm-6:30 pm

2 stops40h 25m

Trieste Ronchi dei Legionari

Sat 4/4

6:35 am-6:50 pm

2 stops42h 15m

$1,246

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

Direct flights

None
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 16h 00m.

  • 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 12/10
Wed 12/17
By creating a price alert you accept our terms of use and privacy policy.

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
American Airlines
United Airlines
Turkish Airlines
Lufthansa
Frontier
British Airways
Qatar Airways
Spirit Airlines
Ryanair
Alaska Airlines
Emirates