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 14 different airlines that fly to Trieste on a routine basis, so you have a few additional options to choose from.

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 40m on average, while flying from New York to Venice Marco Polo Airport is 10h 55m on average. Venice Marco Polo Airport is the most popular airport in Trieste.

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.

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 14m.

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

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.

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 November 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.

$399 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.

4:40 pm - 6:30 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

19h 50m1 stop Rome Fiumicino

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

18h 20m1 stop Rome Fiumicino

$722ITA Airways

Wed, Feb 24 - Wed, Mar 3

9:05 pm - 10:55 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

19h 50m1 stop Rome Fiumicino

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

18h 20m1 stop Rome Fiumicino

$726ITA Airways

Wed, Feb 24 - Wed, Mar 3

10:00 pm - 6:30 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

14h 30m2 stops Lisbon Humberto Delgado Rome Fiumicino

6:35 am - 8:05 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

19h 30m2 stops Rome Fiumicino Lisbon Humberto Delgado

$739Multiple Airlines

Wed, Feb 24 - Wed, Mar 3

5:40 pm - 6:30 pmEWR Newark-TRS Trieste Ronchi dei Legionari

18h 50m2 stops Lisbon Humberto Delgado Rome Fiumicino

3:15 pm - 3:20 pmTRS Trieste Ronchi dei Legionari-EWR Newark

30h 05m2 stops Rome Fiumicino Lisbon Humberto Delgado

$740TAP AIR PORTUGAL

Tue, Feb 9 - Wed, Mar 10

10:00 pm - 6:30 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

14h 30m2 stops Lisbon Humberto Delgado Rome Fiumicino

6:35 am - 8:05 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

19h 30m2 stops Rome Fiumicino Lisbon Humberto Delgado

$740TAP AIR PORTUGAL

Tue, Feb 9 - Wed, Mar 10

9:05 pm - 10:55 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

19h 50m1 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

$766ITA Airways

Tue, Feb 9 - Wed, Mar 10

10:00 pm - 6:30 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

14h 30m2 stops Lisbon Humberto Delgado Rome Fiumicino

11:15 am - 8:05 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

38h 50m2 stops Rome Fiumicino Lisbon Humberto Delgado

$770TAP AIR PORTUGAL

Wed, Feb 24 - Wed, Mar 3

5:15 pm - 2:30 pmEWR Newark-TRS Trieste Ronchi dei Legionari

15h 15m2 stops Lisbon Humberto Delgado Rome Fiumicino

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

20h 25m2 stops Rome Fiumicino Lisbon Humberto Delgado

$771Multiple Airlines

Wed, Apr 7 - Wed, Apr 21

10:00 pm - 6:30 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

14h 30m2 stops Lisbon Humberto Delgado Rome Fiumicino

11:15 am - 8:05 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

38h 50m2 stops Rome Fiumicino Lisbon Humberto Delgado

$771TAP AIR PORTUGAL

Wed, Feb 24 - Wed, Mar 3

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

18h 50m2 stops Lisbon Humberto Delgado Rome Fiumicino

6:35 am - 8:05 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

19h 30m2 stops Rome Fiumicino Lisbon Humberto Delgado

$788Multiple Airlines

Wed, Apr 7 - Wed, Apr 21

Cheap last minute flights

Enter your travel dates to find the best prices.

4:40 pm - 2:30 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

15h 50m1 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

$712ITA Airways

Tue, Nov 17 - Tue, Nov 24

10:00 pm - 10:55 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

18h 55m2 stops Lisbon Humberto Delgado Rome Fiumicino

6:35 am - 8:05 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

19h 30m2 stops Rome Fiumicino Lisbon Humberto Delgado

$770Multiple Airlines

Tue, Nov 17 - Wed, Jan 27

4:40 pm - 2:30 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

15h 50m1 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

$772ITA Airways

Tue, Nov 17 - Tue, Nov 24

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

29h 40m1 stop Rome Fiumicino

$773ITA Airways

Sun, Nov 15 - Mon, Nov 23

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

11h 25m1 stop Rome Fiumicino

3:15 pm - 6:55 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

33h 40m1 stop Rome Fiumicino

$776ITA Airways

Mon, Nov 16 - Mon, Nov 23

4:40 pm - 6:30 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

19h 50m1 stop Rome Fiumicino

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

18h 20m1 stop Rome Fiumicino

$780ITA Airways

Tue, Nov 17 - Wed, Jan 27

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

29h 40m1 stop Rome Fiumicino

$787ITA Airways

Sun, Nov 15 - Mon, Nov 23

10:05 pm - 3:45 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

35h 40m2 stops Madrid Barajas Barcelona-El Prat

6:35 am - 2:15 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

13h 40m1 stop Rome Fiumicino

$796Multiple Airlines

Tue, Nov 17 - Wed, Jan 27

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

11h 45m1 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

$870ITA Airways

Fri, Nov 20 - Tue, Nov 24

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

11h 15m1 stop Dublin

6:35 am - 5:55 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

17h 20m2 stops Valencia Casablanca Mohamed V

$877Multiple Airlines

Sun, Nov 15 - Mon, Nov 23

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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 9

JFK4:40 pmNew York John F Kennedy Intl

11h 45m

1 stop

TRS10:25 amTrieste Ronchi dei Legionari

Dec 16

TRS6:35 amTrieste Ronchi dei Legionari

18h 20m

1 stop

JFK6:55 pmNew York John F Kennedy Intl

$712

ITA Airways

Feb 24

JFK4:40 pmNew York John F Kennedy Intl

19h 50m

1 stop

TRS6:30 pmTrieste Ronchi dei Legionari

Mar 3

TRS6:35 amTrieste Ronchi dei Legionari

18h 20m

1 stop

JFK6:55 pmNew York John F Kennedy Intl

$722

ITA Airways

Feb 24

JFK9:05 pmNew York John F Kennedy Intl

19h 50m

1 stop

TRS10:55 pmTrieste Ronchi dei Legionari

Mar 3

TRS6:35 amTrieste Ronchi dei Legionari

18h 20m

1 stop

JFK6:55 pmNew York John F Kennedy Intl

$726

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

Feb 9

JFK10:00 pmNew York John F Kennedy Intl

14h 30m

2 stops

TRS6:30 pmTrieste Ronchi dei Legionari

Mar 10

TRS6:35 amTrieste Ronchi dei Legionari

19h 30m

2 stops

JFK8:05 pmNew York John F Kennedy Intl

$740

TAP AIR PORTUGAL

Feb 24

JFK10:00 pmNew York John F Kennedy Intl

14h 30m

2 stops

TRS6:30 pmTrieste Ronchi dei Legionari

Mar 3

TRS11:15 amTrieste Ronchi dei Legionari

38h 50m

2 stops

JFK8:05 pmNew York John F Kennedy Intl

$770

TAP AIR PORTUGAL

Feb 24

JFK10:00 pmNew York John F Kennedy Intl

14h 30m

2 stops

TRS6:30 pmTrieste Ronchi dei Legionari

Mar 3

TRS11:15 amTrieste Ronchi dei Legionari

38h 50m

2 stops

JFK8:05 pmNew York John F Kennedy Intl

$771

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

Wed 2/24

4:40 pm-6:30 pm

1 stop19h 50m

Trieste Ronchi dei Legionari

Wed 3/3

6:35 am-6:55 pm

1 stop18h 20m

$722

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-10:55 pm

1 stop19h 50m

Trieste Ronchi dei Legionari

Wed 3/3

6:35 am-6:55 pm

1 stop18h 20m

$726

Quickest round-trip

New YorkTrieste

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

JFKTRS

New York John F Kennedy Intl

Wed 2/24

10:00 pm-6:30 pm

2 stops14h 30m

Trieste Ronchi dei Legionari

Wed 3/3

6:35 am-8:05 pm

2 stops19h 30m

$739

NewarkTrieste

EWR Newark - TRS Trieste Ronchi dei Legionari

EWRTRS

Newark

Tue 2/9

5:40 pm-6:30 pm

2 stops18h 50m

Trieste Ronchi dei Legionari

Wed 3/10

3:15 pm-3:20 pm

2 stops30h 05m

$740

New YorkTrieste

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

JFKTRS

New York John F Kennedy Intl

Tue 2/9

10:00 pm-6:30 pm

2 stops14h 30m

Trieste Ronchi dei Legionari

Wed 3/10

6:35 am-8:05 pm

2 stops19h 30m

$740

New YorkTrieste

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

JFKTRS

New York John F Kennedy Intl

Tue 2/9

9:05 pm-10:55 pm

1 stop19h 50m

Trieste Ronchi dei Legionari

Wed 3/10

7:15 pm-2:15 pm

1 stop25h 00m

$766

New YorkTrieste

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

JFKTRS

New York John F Kennedy Intl

Wed 2/24

10:00 pm-6:30 pm

2 stops14h 30m

Trieste Ronchi dei Legionari

Wed 3/3

11:15 am-8:05 pm

2 stops38h 50m

$770

NewarkTrieste

EWR Newark - TRS Trieste Ronchi dei Legionari

EWRTRS

Newark

Wed 4/7

5:15 pm-2:30 pm

2 stops15h 15m

Trieste Ronchi dei Legionari

Wed 4/21

6:35 am-9:00 pm

2 stops20h 25m

$771

New YorkTrieste

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

JFKTRS

New York John F Kennedy Intl

Wed 2/24

10:00 pm-6:30 pm

2 stops14h 30m

Trieste Ronchi dei Legionari

Wed 3/3

11:15 am-8:05 pm

2 stops38h 50m

$771

New YorkTrieste

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

JFKTRS

New York John F Kennedy Intl

Wed 4/7

10:05 pm-10:55 pm

2 stops18h 50m

Trieste Ronchi dei Legionari

Wed 4/21

6:35 am-8:05 pm

2 stops19h 30m

$788

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 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	$399
Fastest flight time	10h 45m
Direct flights	None

The best one-way flight to Trieste from New York in the past 72 hours is $399. The best round-trip flight deal from New York to Trieste found on momondo in the last 72 hours is $722.

The fastest flight from New York to Trieste takes 10h 45m

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 10h 45m 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 November 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 1,412 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.