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 34% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 15 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 travel time from New York to Trieste?

Flights connecting via Rome (FCO) have the shortest average one-way travel time: 11h 12m.

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 30m on average, while flying from New York to Venice Marco Polo Airport is 10h 27m on average. Venice Marco Polo Airport is the most popular airport in Trieste.

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?

TAP AIR PORTUGAL, Lufthansa, and United Airlines are the most popular carriers operating from New York to Trieste Ronchi dei Legionari

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 August 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.

$336 Cheap Flights from New York to Trieste in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from New York to Trieste

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Cheap round-trip flights

Enter your travel dates to find the best prices.

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

22h 40m1 stop London Gatwick

7:10 pm - 3:55 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

26h 45m1 stop London Stansted

$708Multiple Airlines

Thu, Oct 1 - Thu, Oct 15

8:30 pm - 9:50 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

19h 20m2 stops Reykjavik Keflavik Intl London Heathrow

8:10 pm - 10:05 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

31h 55m3 stops Palermo Punta Raisi Milan Malpensa Reykjavik Keflavik Intl

$722Multiple Airlines

Mon, Sep 21 - Mon, Sep 28

12:30 am - 8:55 amJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

26h 25m2 stops Rome Fiumicino Tirana Rinas

6:35 am - 10:30 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

21h 55m1 stop Rome Fiumicino

$753Multiple Airlines

Sat, Sep 19 - Fri, Sep 25

8:25 pm - 9:50 pmEWR Newark-TRS Trieste Ronchi dei Legionari

19h 25m2 stops Reykjavik Keflavik Intl London Heathrow

6:35 am - 9:00 pmTRS Trieste Ronchi dei Legionari-EWR Newark

20h 25m2 stops Rome Fiumicino Paris Charles de Gaulle

$761Multiple Airlines

Mon, Sep 21 - Mon, Sep 28

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

17h 40m2 stops Athens Eleftherios V. Naples

10:30 am - 10:00 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

17h 30m1 stop Barcelona-El Prat

$773Multiple Airlines

Thu, Oct 1 - Thu, Oct 15

4:40 pm - 10:25 amJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

11h 45m1 stop Rome Fiumicino

7:15 pm - 6:55 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

29h 40m1 stop Rome Fiumicino

$774ITA Airways

Sat, Dec 5 - Mon, Jan 18

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

15h 25m1 stop Rome Fiumicino

3:15 pm - 2:15 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

29h 00m1 stop Rome Fiumicino

$777ITA Airways

Fri, Nov 6 - Sun, Nov 15

8:30 pm - 8:15 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

17h 45m2 stops Reykjavik Keflavik Intl Barcelona-El Prat

3:15 pm - 8:05 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

34h 50m2 stops Rome Fiumicino Lisbon Humberto Delgado

$778Multiple Airlines

Thu, Oct 1 - Thu, Oct 15

6:20 pm - 11:05 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

22h 45m2 stops London Gatwick Krakow J. Paul II Balice

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

12h 40m1 stop Rome Fiumicino

$780Multiple Airlines

Sun, Sep 20 - Sun, Sep 27

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

15h 25m1 stop Rome Fiumicino

3:15 pm - 2:15 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

29h 00m1 stop Rome Fiumicino

$780ITA Airways

Fri, Nov 6 - Sun, Nov 15

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ITA Airways flights from New York to Trieste

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

ITA Airways

Dec 5

JFK4:40 pmNew York John F Kennedy Intl

11h 45m

1 stop

TRS10:25 amTrieste Ronchi dei Legionari

Jan 18

TRS7:15 pmTrieste Ronchi dei Legionari

29h 40m

1 stop

JFK6:55 pmNew York John F Kennedy Intl

$774

ITA Airways

Nov 6

JFK9:05 pmNew York John F Kennedy Intl

15h 25m

1 stop

TRS6:30 pmTrieste Ronchi dei Legionari

Nov 15

TRS3:15 pmTrieste Ronchi dei Legionari

29h 00m

1 stop

JFK2:15 pmNew York John F Kennedy Intl

$777

ITA Airways

Sep 14

JFK9:10 pmNew York John F Kennedy Intl

31h 15m

1 stop

TRS10:25 amTrieste Ronchi dei Legionari

Sep 21

TRS3:15 pmTrieste Ronchi dei Legionari

28h 00m

1 stop

JFK1:15 pmNew York John F Kennedy Intl

$782

TAP AIR PORTUGAL flights from New York to Trieste

Our best TAP AIR PORTUGAL deals on New York to Trieste flight tickets

TAP AIR PORTUGAL

Dec 5

JFK10:00 pmNew York John F Kennedy Intl

14h 30m

2 stops

TRS6:30 pmTrieste Ronchi dei Legionari

Jan 18

TRS3:15 pmTrieste Ronchi dei Legionari

34h 50m

2 stops

JFK8:05 pmNew York John F Kennedy Intl

$797

TAP AIR PORTUGAL

Dec 4

EWR12:10 amNewark

32h 20m

2 stops

TRS2:30 pmTrieste Ronchi dei Legionari

Jan 18

TRS3:15 pmTrieste Ronchi dei Legionari

30h 05m

2 stops

EWR3:20 pmNewark

$821

TAP AIR PORTUGAL

Oct 4

JFK10:05 pmNew York John F Kennedy Intl

38h 25m

2 stops

TRS6:30 pmTrieste Ronchi dei Legionari

Oct 13

TRS11:15 amTrieste Ronchi dei Legionari

14h 50m

2 stops

JFK8:05 pmNew York John F Kennedy Intl

$852

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

Thu 10/1

6:20 pm-11:00 pm

1 stop22h 40m

Trieste Ronchi dei Legionari

Thu 10/15

7:10 pm-3:55 pm

1 stop26h 45m

$708

New YorkTrieste

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

JFKTRS

New York John F Kennedy Intl

Mon 9/21

8:30 pm-9:50 pm

2 stops19h 20m

Trieste Ronchi dei Legionari

Mon 9/28

8:10 pm-10:05 pm

3 stops31h 55m

$722

New YorkTrieste

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

JFKTRS

New York John F Kennedy Intl

Sat 9/19

12:30 am-8:55 am

2 stops26h 25m

Trieste Ronchi dei Legionari

Fri 9/25

6:35 am-10:30 pm

1 stop21h 55m

$753

NewarkTrieste

EWR Newark - TRS Trieste Ronchi dei Legionari

EWRTRS

Newark

Mon 9/21

8:25 pm-9:50 pm

2 stops19h 25m

Trieste Ronchi dei Legionari

Mon 9/28

6:35 am-9:00 pm

2 stops20h 25m

$761

Quickest round-trip

New YorkTrieste

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

JFKTRS

New York John F Kennedy Intl

Thu 10/1

1:30 pm-1:10 pm

2 stops17h 40m

Trieste Ronchi dei Legionari

Thu 10/15

10:30 am-10:00 pm

1 stop17h 30m

$773

New YorkTrieste

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

JFKTRS

New York John F Kennedy Intl

Sat 12/5

4:40 pm-10:25 am

1 stop11h 45m

Trieste Ronchi dei Legionari

Mon 1/18

7:15 pm-6:55 pm

1 stop29h 40m

$774

New YorkTrieste

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

JFKTRS

New York John F Kennedy Intl

Fri 11/6

9:05 pm-6:30 pm

1 stop15h 25m

Trieste Ronchi dei Legionari

Sun 11/15

3:15 pm-2:15 pm

1 stop29h 00m

$777

New YorkTrieste

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

JFKTRS

New York John F Kennedy Intl

Thu 10/1

8:30 pm-8:15 pm

2 stops17h 45m

Trieste Ronchi dei Legionari

Thu 10/15

3:15 pm-8:05 pm

2 stops34h 50m

$778

New YorkTrieste

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

JFKTRS

New York John F Kennedy Intl

Sun 9/20

6:20 pm-11:05 pm

2 stops22h 45m

Trieste Ronchi dei Legionari

Sun 9/27

6:35 am-1:15 pm

1 stop12h 40m

$780

New YorkTrieste

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

JFKTRS

New York John F Kennedy Intl

Fri 11/6

9:05 pm-6:30 pm

1 stop15h 25m

Trieste Ronchi dei Legionari

Sun 11/15

3:15 pm-2:15 pm

1 stop29h 00m

$780

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 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 November to fly from New York, when ticket prices are also cheap, with an average price of $587.

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

Fastest flight time	10h 50m
Direct flights	None

The fastest flight from New York to Trieste takes 10h 50m

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

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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 10h 50m 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 August 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 6.7 1,310 reviews		Search ITA Airways flights

Udine

Grado

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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.