What airlines fly to Trieste?

United Airlines, Delta and ITA Airways are the top three most popular airlines that fly to Trieste from New York according to our data. United Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 14 different airlines that fly to Trieste on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from New York to Trieste?

Flights via Frankfurt am Main (FRA) offer the lowest average round-trip price of $561.

Which layover airport has the shortest connection time from New York to Trieste?

Rome (FCO) has the shortest average layover time for this route: 1h 48m.

What is the cheapest airline that flies from New York to Trieste Ronchi dei Legionari?

KLM and TAP AIR PORTUGAL are the most popular carriers operating from New York to Trieste Ronchi dei Legionari

Which layover airport has the shortest travel time from New York to Trieste?

Flights connecting via Rome (FCO) have the shortest average one-way travel time: 11h 13m.

Which airport is the most popular layover for flights between New York and Trieste?

Rome (FCO) was the most common stop: 96% of momondo users choosing 1-stop flights on this route connected there.

How long does it take to fly to Trieste?

Average flight duration from New York to Trieste depends on which airport you fly into and out of. Flying from Newark to Venice Marco Polo Airport is 8h 35m on average, while flying from New York to Venice Marco Polo Airport is 9h 50m on average. Venice Marco Polo Airport is the most popular airport in Trieste.

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

Prices for flights from New York to Trieste Ronchi dei Legionari Airport were last updated today.

How many operators does momondo search for flights from New York to Trieste Ronchi dei Legionari Airport?

There is 1 operator available for flights from New York to Trieste Ronchi dei Legionari Airport as of September 2026.

How old do you have to be to fly from New York to Trieste Ronchi dei Legionari Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New York to Trieste Ronchi dei Legionari Airport.

What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?

The necessary travel and health documents for your Trieste Ronchi dei Legionari Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$353 Cheap Flights from New York to Trieste in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from New York to Trieste

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:20 pm - 6:30 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

19h 10m1 stop Rome Fiumicino

6:35 am - 3:50 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

15h 15m1 stop Rome Fiumicino

$559KLM

Sun, Nov 8 - Tue, Nov 17

5:20 pm - 2:30 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

15h 10m1 stop Rome Fiumicino

6:35 am - 6:43 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

18h 08m2 stops Rome Fiumicino Boston Logan Intl

$565KLM

Sun, Nov 8 - Tue, Nov 17

5:20 pm - 6:30 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

19h 10m1 stop Rome Fiumicino

6:35 am - 3:50 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

15h 15m1 stop Rome Fiumicino

$666KLM

Wed, Nov 4 - Wed, Nov 11

5:20 pm - 6:30 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

19h 10m1 stop Rome Fiumicino

6:35 am - 5:56 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

17h 21m2 stops Rome Fiumicino Detroit Metropolitan Wayne County

$676KLM

Wed, Nov 4 - Wed, Nov 11

10:05 pm - 10:25 amJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

30h 20m2 stops Madrid Barajas Rome Fiumicino

7:15 pm - 5:50 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

28h 35m2 stops Rome Fiumicino Madrid Barajas

$680Multiple Airlines

Sun, Nov 8 - Tue, Nov 17

6:00 pm - 10:55 pmEWR Newark-TRS Trieste Ronchi dei Legionari

22h 55m3 stops Frankfurt am Main Madrid Barajas Rome Fiumicino

7:15 pm - 8:34 pmTRS Trieste Ronchi dei Legionari-EWR Newark

31h 19m3 stops Rome Fiumicino Madrid Barajas Montreal Pierre Elliott Trudeau Intl

$703Multiple Airlines

Sun, Nov 8 - Tue, Nov 17

5:00 pm - 10:15 amJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

11h 15m1 stop Dublin

10:15 am - 5:50 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

37h 35m2 stops Tirana Rinas Madrid Barajas

$705Multiple Airlines

Sun, Nov 8 - Tue, Nov 17

5:00 pm - 10:15 amJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

11h 15m1 stop Dublin

10:15 am - 5:50 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

37h 35m2 stops Tirana Rinas Madrid Barajas

$706Multiple Airlines

Sun, Nov 8 - Tue, Nov 17

9:05 pm - 2:30 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

11h 25m1 stop Rome Fiumicino

7:15 pm - 2:15 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

25h 00m1 stop Rome Fiumicino

$774ITA Airways

Wed, Feb 24 - Wed, Mar 3

9:05 pm - 6:30 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

15h 25m1 stop Rome Fiumicino

11:15 am - 6:55 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

13h 40m1 stop Rome Fiumicino

$830ITA Airways

Fri, Mar 5 - Sat, Mar 13

Cheap last minute flights

Enter your travel dates to find the best prices.

11:55 pm - 11:00 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

17h 05m2 stops Dublin London Heathrow

3:45 pm - 8:50 amTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

23h 05m2 stops Barcelona-El Prat Casablanca Mohamed V

$857Multiple Airlines

Thu, Oct 1 - Fri, Oct 16

6:20 pm - 11:00 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

22h 40m1 stop London Gatwick

6:35 am - 1:15 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

12h 40m1 stop Rome Fiumicino

$859Multiple Airlines

Thu, Oct 1 - Fri, Oct 16

1:30 pm - 11:00 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

27h 30m2 stops Athens Eleftherios V. London Stansted

11:15 am - 6:55 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

13h 40m1 stop Rome Fiumicino

$884Multiple Airlines

Thu, Oct 1 - Fri, Oct 16

1:30 pm - 10:55 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

27h 25m3 stops Athens Eleftherios V. Naples Rome Fiumicino

3:45 pm - 8:50 amTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

23h 05m2 stops Barcelona-El Prat Casablanca Mohamed V

$937Multiple Airlines

Thu, Oct 1 - Fri, Oct 16

5:35 pm - 10:25 amJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

10h 50m1 stop Rome Fiumicino

6:35 am - 1:15 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

12h 40m1 stop Rome Fiumicino

$1,022ITA Airways

Thu, Oct 1 - Fri, Oct 16

4:05 pm - 10:55 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

24h 50m1 stop Rome Fiumicino

7:15 pm - 1:15 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

24h 00m1 stop Rome Fiumicino

$1,097ITA Airways

Sun, Sep 27 - Thu, Oct 1

11:55 pm - 10:55 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

17h 00m3 stops Dublin London Heathrow Rome Fiumicino

7:15 pm - 10:25 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

33h 10m3 stops Rome Fiumicino London Heathrow Dublin

$1,358Multiple Airlines

Thu, Oct 1 - Fri, Oct 16

11:10 pm - 10:55 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

41h 45m2 stops Reykjavik Keflavik Intl Rome Fiumicino

11:15 am - 10:05 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

16h 50m2 stops Rome Fiumicino Reykjavik Keflavik Intl

$1,459Multiple Airlines

Mon, Sep 28 - Thu, Oct 1

4:05 pm - 10:25 amJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

12h 20m1 stop Rome Fiumicino

6:35 am - 1:55 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

13h 20m1 stop Rome Fiumicino

$1,487ITA Airways

Mon, Sep 28 - Thu, Oct 1

5:30 pm - 6:30 pmEWR Newark-TRS Trieste Ronchi dei Legionari

19h 00m2 stops Lisbon Humberto Delgado Rome Fiumicino

11:15 am - 3:30 pmTRS Trieste Ronchi dei Legionari-EWR Newark

34h 15m2 stops Rome Fiumicino Lisbon Humberto Delgado

$1,604TAP AIR PORTUGAL

Mon, Sep 28 - Thu, Oct 1

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United Airlines flights from New York to Trieste

Our best United Airlines deals on New York to Trieste flight tickets

United Airlines

Feb 7

EWR5:40 pmNewark

10h 45m

1 stop

TRS10:25 amTrieste Ronchi dei Legionari

Feb 14

TRS6:35 amTrieste Ronchi dei Legionari

13h 35m

1 stop

EWR2:10 pmNewark

$1,102

United Airlines

Nov 8

EWR5:40 pmNewark

10h 45m

1 stop

TRS10:25 amTrieste Ronchi dei Legionari

Nov 17

TRS6:35 amTrieste Ronchi dei Legionari

13h 35m

1 stop

EWR2:10 pmNewark

$1,197

United Airlines

Nov 17

EWR5:40 pmNewark

10h 45m

1 stop

TRS10:25 amTrieste Ronchi dei Legionari

Dec 1

TRS6:35 amTrieste Ronchi dei Legionari

16h 25m

1 stop

EWR5:00 pmNewark

$1,210

ITA Airways flights from New York to Trieste

Our best ITA Airways deals on New York to Trieste flight tickets

ITA Airways

Feb 24

JFK9:05 pmNew York John F Kennedy Intl

11h 25m

1 stop

TRS2:30 pmTrieste Ronchi dei Legionari

Mar 3

TRS7:15 pmTrieste Ronchi dei Legionari

25h 00m

1 stop

JFK2:15 pmNew York John F Kennedy Intl

$774

ITA Airways

Mar 5

JFK9:05 pmNew York John F Kennedy Intl

15h 25m

1 stop

TRS6:30 pmTrieste Ronchi dei Legionari

Mar 13

TRS11:15 amTrieste Ronchi dei Legionari

13h 40m

1 stop

JFK6:55 pmNew York John F Kennedy Intl

$830

ITA Airways

Feb 8

JFK9:05 pmNew York John F Kennedy Intl

31h 20m

1 stop

TRS10:25 amTrieste Ronchi dei Legionari

Feb 15

TRS11:15 amTrieste Ronchi dei Legionari

33h 00m

1 stop

JFK2:15 pmNew York John F Kennedy Intl

$844

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkTrieste

JFK New York John F Kennedy Intl - TRS Trieste Ronchi dei Legionari

JFKTRS

New York John F Kennedy Intl

Sun 11/8

5:20 pm-6:30 pm

1 stop19h 10m

Trieste Ronchi dei Legionari

Tue 11/17

6:35 am-3:50 pm

1 stop15h 15m

$559

New YorkTrieste

JFK New York John F Kennedy Intl - TRS Trieste Ronchi dei Legionari

JFKTRS

New York John F Kennedy Intl

Sun 11/8

5:20 pm-2:30 pm

1 stop15h 10m

Trieste Ronchi dei Legionari

Tue 11/17

6:35 am-6:43 pm

2 stops18h 08m

$565

New YorkTrieste

JFK New York John F Kennedy Intl - TRS Trieste Ronchi dei Legionari

JFKTRS

New York John F Kennedy Intl

Wed 11/4

5:20 pm-6:30 pm

1 stop19h 10m

Trieste Ronchi dei Legionari

Wed 11/11

6:35 am-3:50 pm

1 stop15h 15m

$666

New YorkTrieste

JFK New York John F Kennedy Intl - TRS Trieste Ronchi dei Legionari

JFKTRS

New York John F Kennedy Intl

Wed 11/4

5:20 pm-6:30 pm

1 stop19h 10m

Trieste Ronchi dei Legionari

Wed 11/11

6:35 am-5:56 pm

2 stops17h 21m

$676

New YorkTrieste

JFK New York John F Kennedy Intl - TRS Trieste Ronchi dei Legionari

JFKTRS

New York John F Kennedy Intl

Sun 11/8

10:05 pm-10:25 am

2 stops30h 20m

Trieste Ronchi dei Legionari

Tue 11/17

7:15 pm-5:50 pm

2 stops28h 35m

$680

NewarkTrieste

EWR Newark - TRS Trieste Ronchi dei Legionari

EWRTRS

Newark

Sun 11/8

6:00 pm-10:55 pm

3 stops22h 55m

Trieste Ronchi dei Legionari

Tue 11/17

7:15 pm-8:34 pm

3 stops31h 19m

$703

New YorkTrieste

JFK New York John F Kennedy Intl - TRS Trieste Ronchi dei Legionari

JFKTRS

New York John F Kennedy Intl

Sun 11/8

5:00 pm-10:15 am

1 stop11h 15m

Trieste Ronchi dei Legionari

Tue 11/17

10:15 am-5:50 pm

2 stops37h 35m

$705

New YorkTrieste

JFK New York John F Kennedy Intl - TRS Trieste Ronchi dei Legionari

JFKTRS

New York John F Kennedy Intl

Sun 11/8

5:00 pm-10:15 am

1 stop11h 15m

Trieste Ronchi dei Legionari

Tue 11/17

10:15 am-5:50 pm

2 stops37h 35m

$706

New YorkTrieste

JFK New York John F Kennedy Intl - TRS Trieste Ronchi dei Legionari

JFKTRS

New York John F Kennedy Intl

Wed 2/24

9:05 pm-2:30 pm

1 stop11h 25m

Trieste Ronchi dei Legionari

Wed 3/3

7:15 pm-2:15 pm

1 stop25h 00m

$774

Quickest round-trip

New YorkTrieste

JFK New York John F Kennedy Intl - TRS Trieste Ronchi dei Legionari

JFKTRS

New York John F Kennedy Intl

Fri 3/5

9:05 pm-6:30 pm

1 stop15h 25m

Trieste Ronchi dei Legionari

Sat 3/13

11:15 am-6:55 pm

1 stop13h 40m

$830

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from New York 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

Prices

Airlines

Layovers

Other information

What is the typical price of a round-trip flight between New York and Trieste?

Prices are currently low for flights on this route.

Typical prices usually range from $722 to $884.
The lowest price recently found on this route was $559.

What is the cheapest month to fly to Trieste?

The cheapest month to fly to Trieste from New York is in February. Flight prices, which tend to average around $546, are often lower during this time because this is during the off-season. If you don’t want to visit Trieste in February, then you should wait until March to fly from New York, when ticket prices are also cheap, with an average price of $670.

When to book flights from New York to Trieste

Are you open to changing your travel dates? Check out the ideal times to fly from New York to Trieste according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap New York to Trieste (NYC to TRS) flight deals and tips

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

Best Price Found	$353
Fastest flight time	11h 10m
Direct flights	None

The best one-way flight to Trieste from New York in the past 72 hours is $353. The best round-trip flight deal from New York to Trieste found on momondo in the last 72 hours is $559.

The fastest flight from New York to Trieste takes 11h 10m

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

Search flight deals

Frequently asked questions about flying from New York to Trieste

How far is New York to Trieste Ronchi dei Legionari by plane?
Trieste Ronchi dei Legionari is 4199.4 mi away from New York. Typically, this will take 11h 10m by plane in normal conditions.
When did momondo last update prices for flights from New York to Trieste Ronchi dei Legionari Airport?
Prices for flights from New York to Trieste Ronchi dei Legionari Airport were last updated today.
How many operators does momondo search for flights from New York to Trieste Ronchi dei Legionari Airport?
There is 1 operator available for flights from New York to Trieste Ronchi dei Legionari Airport as of September 2026.
How old do you have to be to fly from New York to Trieste Ronchi dei Legionari Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New York to Trieste Ronchi dei Legionari Airport.
What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?
The necessary travel and health documents for your Trieste Ronchi dei Legionari Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from New York to Trieste?
momondo data reveals that the most frequently booked airline on the route from New York to Trieste is ITA Airways, representing 100% of all bookings.

Best airlines flying from New York to Trieste

Compare and see reviews for airlines that fly from New York to Trieste with momondo

Airline	Rating	Free Cancellation	Price
ITA Airways	PriceFrom $481	Free Cancellation	Rating 6.8 1,366 reviews		Search ITA Airways flights

Grado

Udine

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

It is quick and easy to find New York to Trieste flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Trieste that suits you.

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

Yes. momondo allows you to filter the results for New York to Trieste flights to just show those with flexible booking policies.

How can momondo help me find flights from New York to Trieste?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from New York to Trieste.

I’m not ready to book a flight from New York to Trieste right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Trieste, momondo offers a useful price alert feature which will track prices for flights to Trieste from New York and alert you when they change.