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.

$511 Cheap Flights from Detroit to Trieste in 2026

Find the cheapest flights from Detroit to Trieste

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One-way

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Cheap round-trip flights

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7:15 pm - 10:15 pmDTW Detroit Metropolitan Wayne County-TRS Trieste Ronchi dei Legionari

21h 00m2 stops Toronto Pearson Intl Frankfurt am Main

6:10 am - 1:55 pmTRS Trieste Ronchi dei Legionari-DTW Detroit Metropolitan Wayne County

13h 45m1 stop Frankfurt am Main

$1,032Multiple Airlines

Sun, Oct 4 - Sun, Oct 11

4:00 pm - 1:45 pmDTW Detroit Metropolitan Wayne County-TRS Trieste Ronchi dei Legionari

15h 45m1 stop Frankfurt am Main

6:10 am - 1:55 pmTRS Trieste Ronchi dei Legionari-DTW Detroit Metropolitan Wayne County

13h 45m1 stop Frankfurt am Main

$1,052Lufthansa

Sun, Oct 4 - Sun, Oct 11

2:00 pm - 10:25 amDTW Detroit Metropolitan Wayne County-TRS Trieste Ronchi dei Legionari

14h 25m2 stops Chicago O'Hare Intl Rome Fiumicino

6:35 am - 8:30 pmTRS Trieste Ronchi dei Legionari-DTW Detroit Metropolitan Wayne County

19h 55m2 stops Rome Fiumicino Chicago O'Hare Intl

$1,066United Airlines

Mon, Nov 16 - Fri, Nov 20

4:00 pm - 9:55 pmDTW Detroit Metropolitan Wayne County-TRS Trieste Ronchi dei Legionari

23h 55m3 stops Frankfurt am Main Munich Franz Josef Strauss Bari Palese

3:55 pm - 6:45 pmTRS Trieste Ronchi dei Legionari-DTW Detroit Metropolitan Wayne County

32h 50m2 stops Bari Palese Istanbul

$1,292Multiple Airlines

Sun, Oct 4 - Sun, Oct 11

6:50 pm - 1:55 pmDTW Detroit Metropolitan Wayne County-TRS Trieste Ronchi dei Legionari

13h 05m2 stops Toronto Pearson Intl Frankfurt am Main

7:15 pm - 5:20 pmTRS Trieste Ronchi dei Legionari-DTW Detroit Metropolitan Wayne County

28h 05m3 stops Rome Fiumicino Madrid Barajas Halifax Intl

$1,421Multiple Airlines

Fri, Sep 4 - Mon, Sep 7

4:00 pm - 9:55 pmDTW Detroit Metropolitan Wayne County-TRS Trieste Ronchi dei Legionari

23h 55m3 stops Frankfurt am Main Munich Franz Josef Strauss Bari Palese

4:15 pm - 6:50 pmTRS Trieste Ronchi dei Legionari-DTW Detroit Metropolitan Wayne County

32h 35m3 stops Lamezia Terme Intl Rome Fiumicino Istanbul

$1,439Multiple Airlines

Sun, Oct 4 - Sun, Oct 11

4:00 pm - 1:55 pmDTW Detroit Metropolitan Wayne County-TRS Trieste Ronchi dei Legionari

15h 55m1 stop Frankfurt am Main

2:50 pm - 1:55 pmTRS Trieste Ronchi dei Legionari-DTW Detroit Metropolitan Wayne County

29h 05m1 stop Frankfurt am Main

$1,461Lufthansa

Fri, Sep 4 - Mon, Sep 7

6:50 pm - 1:55 pmDTW Detroit Metropolitan Wayne County-TRS Trieste Ronchi dei Legionari

13h 05m2 stops Toronto Pearson Intl Frankfurt am Main

6:10 am - 11:59 pmTRS Trieste Ronchi dei Legionari-DTW Detroit Metropolitan Wayne County

23h 49m2 stops Frankfurt am Main Chicago O'Hare Intl

$1,462Multiple Airlines

Fri, Sep 4 - Mon, Sep 7

2:09 pm - 10:25 amDTW Detroit Metropolitan Wayne County-TRS Trieste Ronchi dei Legionari

14h 16m2 stops Chicago O'Hare Intl Rome Fiumicino

6:35 am - 8:30 pmTRS Trieste Ronchi dei Legionari-DTW Detroit Metropolitan Wayne County

19h 55m2 stops Rome Fiumicino Chicago O'Hare Intl

$1,477United Airlines

Mon, Nov 16 - Fri, Nov 20

2:07 pm - 9:55 pmDTW Detroit Metropolitan Wayne County-TRS Trieste Ronchi dei Legionari

25h 48m2 stops Chicago O'Hare Intl Frankfurt am Main

2:50 pm - 1:55 pmTRS Trieste Ronchi dei Legionari-DTW Detroit Metropolitan Wayne County

29h 05m1 stop Frankfurt am Main

$1,536Lufthansa

Fri, Sep 4 - Mon, Sep 7

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United Airlines flights from Detroit to Trieste

Our best United Airlines deals on Detroit to Trieste flight tickets

United Airlines

Nov 16

DTW2:00 pmDetroit Metropolitan Wayne County

14h 25m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

Nov 20

TRS6:35 amTrieste Ronchi dei Legionari

19h 55m

2 stops

DTW8:30 pmDetroit Metropolitan Wayne County

$1,066

United Airlines

Nov 16

DTW2:09 pmDetroit Metropolitan Wayne County

14h 16m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

Nov 20

TRS6:35 amTrieste Ronchi dei Legionari

19h 55m

2 stops

DTW8:30 pmDetroit Metropolitan Wayne County

$1,477

Lufthansa flights from Detroit to Trieste

Our best Lufthansa deals on Detroit to Trieste flight tickets

Lufthansa

Oct 4

DTW4:00 pmDetroit Metropolitan Wayne County

15h 45m

1 stop

TRS1:45 pmTrieste Ronchi dei Legionari

Oct 11

TRS6:10 amTrieste Ronchi dei Legionari

13h 45m

1 stop

DTW1:55 pmDetroit Metropolitan Wayne County

$1,052

Lufthansa

Sep 4

DTW4:00 pmDetroit Metropolitan Wayne County

15h 55m

1 stop

TRS1:55 pmTrieste Ronchi dei Legionari

Sep 7

TRS2:50 pmTrieste Ronchi dei Legionari

29h 05m

1 stop

DTW1:55 pmDetroit Metropolitan Wayne County

$1,461

Lufthansa

Sep 4

DTW2:07 pmDetroit Metropolitan Wayne County

25h 48m

2 stops

TRS9:55 pmTrieste Ronchi dei Legionari

Sep 7

TRS2:50 pmTrieste Ronchi dei Legionari

29h 05m

1 stop

DTW1:55 pmDetroit Metropolitan Wayne County

$1,536

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitTrieste

DTW Detroit Metropolitan Wayne County - TRS Trieste Ronchi dei Legionari

DTWTRS

Detroit Metropolitan Wayne County

Sun 10/4

7:15 pm-10:15 pm

2 stops21h 00m

Trieste Ronchi dei Legionari

Sun 10/11

6:10 am-1:55 pm

1 stop13h 45m

$1,032

Quickest round-trip

DetroitTrieste

DTW Detroit Metropolitan Wayne County - TRS Trieste Ronchi dei Legionari

DTWTRS

Detroit Metropolitan Wayne County

Sun 10/4

4:00 pm-1:45 pm

1 stop15h 45m

Trieste Ronchi dei Legionari

Sun 10/11

6:10 am-1:55 pm

1 stop13h 45m

$1,052

DetroitTrieste

DTW Detroit Metropolitan Wayne County - TRS Trieste Ronchi dei Legionari

DTWTRS

Detroit Metropolitan Wayne County

Mon 11/16

2:00 pm-10:25 am

2 stops14h 25m

Trieste Ronchi dei Legionari

Fri 11/20

6:35 am-8:30 pm

2 stops19h 55m

$1,066

DetroitTrieste

DTW Detroit Metropolitan Wayne County - TRS Trieste Ronchi dei Legionari

DTWTRS

Detroit Metropolitan Wayne County

Sun 10/4

4:00 pm-9:55 pm

3 stops23h 55m

Trieste Ronchi dei Legionari

Sun 10/11

3:55 pm-6:45 pm

2 stops32h 50m

$1,292

DetroitTrieste

DTW Detroit Metropolitan Wayne County - TRS Trieste Ronchi dei Legionari

DTWTRS

Detroit Metropolitan Wayne County

Fri 9/4

6:50 pm-1:55 pm

2 stops13h 05m

Trieste Ronchi dei Legionari

Mon 9/7

7:15 pm-5:20 pm

3 stops28h 05m

$1,421

DetroitTrieste

DTW Detroit Metropolitan Wayne County - TRS Trieste Ronchi dei Legionari

DTWTRS

Detroit Metropolitan Wayne County

Sun 10/4

4:00 pm-9:55 pm

3 stops23h 55m

Trieste Ronchi dei Legionari

Sun 10/11

4:15 pm-6:50 pm

3 stops32h 35m

$1,439

DetroitTrieste

DTW Detroit Metropolitan Wayne County - TRS Trieste Ronchi dei Legionari

DTWTRS

Detroit Metropolitan Wayne County

Fri 9/4

4:00 pm-1:55 pm

1 stop15h 55m

Trieste Ronchi dei Legionari

Mon 9/7

2:50 pm-1:55 pm

1 stop29h 05m

$1,461

DetroitTrieste

DTW Detroit Metropolitan Wayne County - TRS Trieste Ronchi dei Legionari

DTWTRS

Detroit Metropolitan Wayne County

Fri 9/4

6:50 pm-1:55 pm

2 stops13h 05m

Trieste Ronchi dei Legionari

Mon 9/7

6:10 am-11:59 pm

2 stops23h 49m

$1,462

DetroitTrieste

DTW Detroit Metropolitan Wayne County - TRS Trieste Ronchi dei Legionari

DTWTRS

Detroit Metropolitan Wayne County

Mon 11/16

2:09 pm-10:25 am

2 stops14h 16m

Trieste Ronchi dei Legionari

Fri 11/20

6:35 am-8:30 pm

2 stops19h 55m

$1,477

DetroitTrieste

DTW Detroit Metropolitan Wayne County - TRS Trieste Ronchi dei Legionari

DTWTRS

Detroit Metropolitan Wayne County

Fri 9/4

2:07 pm-9:55 pm

2 stops25h 48m

Trieste Ronchi dei Legionari

Mon 9/7

2:50 pm-1:55 pm

1 stop29h 05m

$1,536

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

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?

Lufthansa and United Airlines are the most popular carriers 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 48% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 4 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

Best Price Found	$511
Fastest flight time	14h 16m
Direct flights	None

The best one-way flight to Trieste from Detroit in the past 72 hours is $511. The best round-trip flight deal from Detroit to Trieste found on momondo in the last 72 hours is $1,032.

The fastest flight from Detroit to Trieste takes 14h 16m

There are no direct flights from Detroit to Trieste. There are no popular flight routes from Detroit to Trieste.

Search flight deals

Frequently asked questions about flying from Detroit to Trieste

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 14h 16m.
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.

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Udine

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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Cheap flights from Detroit to Trieste from $511

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 9/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Why use momondo?

An easier way to manage your Trieste trip

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List of cabin classes available on flights landing in Trieste. Availability may vary depending on flight origin and airline.

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