What airlines fly to United States?

ITA Airways, United Airlines and British Airways are the top three most popular airlines that fly to United States from Trieste according to our data. ITA Airways is the first choice among our users, with 33% of people opting to fly with this airline when traveling to United States. Keep in mind that there are 12 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Trieste Ronchi dei Legionari to United States?

TAP AIR PORTUGAL, ITA Airways, and Icelandair are the most popular carriers operating from Trieste Ronchi dei Legionari to United States

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

Prices for flights from Trieste Ronchi dei Legionari Airport to United States were last updated today.

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

As of September 2026, there is 1 operator available to choose from for flights from Trieste Ronchi dei Legionari Airport to United States.

How old do you have to be to fly from Trieste Ronchi dei Legionari Airport to United States?

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 Trieste Ronchi dei Legionari Airport to United States.

What documentation or ID do you need to fly to United States?

The travel and health documents you'll need for your trip to United States may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United States. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$447 Cheap Flights from Trieste to the United States in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Trieste to the United States

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:35 am - 1:45 pmTRS Trieste Ronchi dei Legionari-BOS Boston Logan Intl

13h 10m1 stop Rome Fiumicino

5:20 pm - 10:25 amBOS Boston Logan Intl-TRS Trieste Ronchi dei Legionari

11h 05m1 stop Rome Fiumicino

$458ITA Airways

Sun, Nov 22 - Fri, Dec 4

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

24h 00m1 stop Rome Fiumicino

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

19h 45m1 stop Rome Fiumicino

$495ITA Airways

Wed, Oct 14 - Thu, Oct 22

3:15 pm - 1:15 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

28h 00m1 stop Rome Fiumicino

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

10h 50m1 stop Rome Fiumicino

$495ITA Airways

Thu, Oct 15 - Thu, Oct 22

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

24h 00m1 stop Rome Fiumicino

9:10 pm - 6:30 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

15h 20m1 stop Rome Fiumicino

$496ITA Airways

Tue, Oct 6 - Tue, Oct 20

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

13h 40m1 stop Rome Fiumicino

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

19h 50m1 stop Rome Fiumicino

$516ITA Airways

Fri, Nov 6 - Sun, Nov 22

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

13h 40m1 stop Rome Fiumicino

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

19h 50m1 stop Rome Fiumicino

$519ITA Airways

Fri, Nov 20 - Wed, Dec 2

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

12h 40m1 stop Rome Fiumicino

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

10h 50m1 stop Rome Fiumicino

$519ITA Airways

Fri, Oct 9 - Fri, Oct 23

3:15 pm - 1:15 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

28h 00m1 stop Rome Fiumicino

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

10h 50m1 stop Rome Fiumicino

$521ITA Airways

Thu, Oct 15 - Thu, Oct 22

6:15 am - 3:45 pmTRS Trieste Ronchi dei Legionari-EWR Newark

15h 30m1 stop Frankfurt am Main

7:30 pm - 10:25 pmEWR Newark-TRS Trieste Ronchi dei Legionari

20h 55m1 stop Frankfurt am Main

$535Lufthansa

Thu, Oct 8 - Wed, Oct 21

6:10 am - 3:45 pmTRS Trieste Ronchi dei Legionari-EWR Newark

15h 35m1 stop Frankfurt am Main

6:00 pm - 1:55 pmEWR Newark-TRS Trieste Ronchi dei Legionari

13h 55m1 stop Frankfurt am Main

$536Lufthansa

Fri, Oct 9 - Fri, Oct 23

Cheap last minute flights

Enter your travel dates to find the best prices.

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

13h 40m1 stop Rome Fiumicino

9:10 pm - 6:30 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

15h 20m1 stop Rome Fiumicino

$496ITA Airways

Thu, Sep 17 - Wed, Sep 30

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

13h 20m1 stop Rome Fiumicino

9:10 pm - 10:25 amJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

31h 15m1 stop Rome Fiumicino

$518ITA Airways

Fri, Sep 18 - Thu, Oct 1

6:35 am - 2:40 pmTRS Trieste Ronchi dei Legionari-MIA Miami

14h 05m1 stop Rome Fiumicino

7:50 pm - 2:30 pmMIA Miami-TRS Trieste Ronchi dei Legionari

12h 40m1 stop Rome Fiumicino

$599ITA Airways

Thu, Sep 17 - Thu, Sep 24

7:15 pm - 4:05 pmTRS Trieste Ronchi dei Legionari-MIA Miami

26h 50m1 stop Rome Fiumicino

7:45 pm - 10:25 amMIA Miami-TRS Trieste Ronchi dei Legionari

32h 40m1 stop Rome Fiumicino

$599ITA Airways

Thu, Sep 17 - Tue, Sep 22

6:35 am - 4:00 pmTRS Trieste Ronchi dei Legionari-MIA Miami

15h 25m1 stop Rome Fiumicino

11:00 pm - 10:55 pmMIA Miami-TRS Trieste Ronchi dei Legionari

17h 55m1 stop Rome Fiumicino

$629ITA Airways

Wed, Sep 16 - Thu, Sep 24

6:35 am - 4:00 pmTRS Trieste Ronchi dei Legionari-MIA Miami

15h 25m1 stop Rome Fiumicino

7:45 pm - 10:55 pmMIA Miami-TRS Trieste Ronchi dei Legionari

21h 10m1 stop Rome Fiumicino

$629ITA Airways

Wed, Sep 16 - Tue, Sep 22

7:15 pm - 4:00 pmTRS Trieste Ronchi dei Legionari-MIA Miami

26h 45m1 stop Rome Fiumicino

7:45 pm - 10:55 pmMIA Miami-TRS Trieste Ronchi dei Legionari

21h 10m1 stop Rome Fiumicino

$630ITA Airways

Tue, Sep 15 - Tue, Sep 22

6:35 am - 4:00 pmTRS Trieste Ronchi dei Legionari-MIA Miami

15h 25m1 stop Rome Fiumicino

7:45 pm - 10:55 pmMIA Miami-TRS Trieste Ronchi dei Legionari

21h 10m1 stop Rome Fiumicino

$630ITA Airways

Wed, Sep 16 - Tue, Sep 22

7:30 am - 6:55 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

17h 25m2 stops Milan Linate Rome Fiumicino

4:05 pm - 9:15 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

23h 10m2 stops Rome Fiumicino Milan Linate

$684Multiple Airlines

Thu, Sep 17 - Wed, Sep 30

4:25 pm - 10:25 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

12h 00m1 stop Dublin

4:55 pm - 4:00 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

17h 05m1 stop Dublin

$717Multiple Airlines

Thu, Sep 17 - Wed, Sep 30

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Lufthansa flights from Trieste to United States

Our best Lufthansa deals on Trieste to United States flight tickets

Lufthansa

Oct 8

TRS6:15 amTrieste Ronchi dei Legionari

15h 30m

1 stop

EWR3:45 pmNewark

Oct 21

EWR7:30 pmNewark

20h 55m

1 stop

TRS10:25 pmTrieste Ronchi dei Legionari

$535

Lufthansa

Oct 9

TRS6:10 amTrieste Ronchi dei Legionari

15h 35m

1 stop

EWR3:45 pmNewark

Oct 23

EWR6:00 pmNewark

13h 55m

1 stop

TRS1:55 pmTrieste Ronchi dei Legionari

$536

Lufthansa

Oct 7

TRS6:10 amTrieste Ronchi dei Legionari

13h 30m

1 stop

EWR1:40 pmNewark

Oct 13

EWR6:00 pmNewark

13h 45m

1 stop

TRS1:45 pmTrieste Ronchi dei Legionari

$540

ITA Airways flights from Trieste to United States

Our best ITA Airways deals on Trieste to United States flight tickets

ITA Airways

Nov 22

TRS6:35 amTrieste Ronchi dei Legionari

13h 10m

1 stop

BOS1:45 pmBoston Logan Intl

Dec 4

BOS5:20 pmBoston Logan Intl

11h 05m

1 stop

TRS10:25 amTrieste Ronchi dei Legionari

$458

ITA Airways

Oct 14

TRS7:15 pmTrieste Ronchi dei Legionari

24h 00m

1 stop

JFK1:15 pmNew York John F Kennedy Intl

Oct 22

JFK9:10 pmNew York John F Kennedy Intl

19h 45m

1 stop

TRS10:55 pmTrieste Ronchi dei Legionari

$495

ITA Airways

Oct 6

TRS7:15 pmTrieste Ronchi dei Legionari

24h 00m

1 stop

JFK1:15 pmNew York John F Kennedy Intl

Oct 20

JFK9:10 pmNew York John F Kennedy Intl

15h 20m

1 stop

TRS6:30 pmTrieste Ronchi dei Legionari

$496

momondo Fare Finder

Use the filters below to find and compare flights from Trieste to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TriesteBoston

TRS Trieste Ronchi dei Legionari - BOS Boston Logan Intl

TRSBOS

Trieste Ronchi dei Legionari

Sun 11/22

6:35 am-1:45 pm

1 stop13h 10m

Boston Logan Intl

Fri 12/4

5:20 pm-10:25 am

1 stop11h 05m

$458

TriesteNew York

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

TRSJFK

Trieste Ronchi dei Legionari

Wed 10/14

7:15 pm-1:15 pm

1 stop24h 00m

New York John F Kennedy Intl

Thu 10/22

9:10 pm-10:55 pm

1 stop19h 45m

$495

TriesteNew York

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

TRSJFK

Trieste Ronchi dei Legionari

Thu 10/15

3:15 pm-1:15 pm

1 stop28h 00m

New York John F Kennedy Intl

Thu 10/22

5:35 pm-10:25 am

1 stop10h 50m

$495

TriesteNew York

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

TRSJFK

Trieste Ronchi dei Legionari

Tue 10/6

7:15 pm-1:15 pm

1 stop24h 00m

New York John F Kennedy Intl

Tue 10/20

9:10 pm-6:30 pm

1 stop15h 20m

$496

TriesteNew York

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

TRSJFK

Trieste Ronchi dei Legionari

Fri 11/6

11:15 am-6:55 pm

1 stop13h 40m

New York John F Kennedy Intl

Sun 11/22

9:05 pm-10:55 pm

1 stop19h 50m

$516

TriesteNew York

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

TRSJFK

Trieste Ronchi dei Legionari

Fri 11/20

11:15 am-6:55 pm

1 stop13h 40m

New York John F Kennedy Intl

Wed 12/2

4:40 pm-6:30 pm

1 stop19h 50m

$519

Quickest round-trip

TriesteNew York

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

TRSJFK

Trieste Ronchi dei Legionari

Fri 10/9

6:35 am-1:15 pm

1 stop12h 40m

New York John F Kennedy Intl

Fri 10/23

5:35 pm-10:25 am

1 stop10h 50m

$519

TriesteNew York

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

TRSJFK

Trieste Ronchi dei Legionari

Thu 10/15

3:15 pm-1:15 pm

1 stop28h 00m

New York John F Kennedy Intl

Thu 10/22

5:35 pm-10:25 am

1 stop10h 50m

$521

TriesteNewark

TRS Trieste Ronchi dei Legionari - EWR Newark

TRSEWR

Trieste Ronchi dei Legionari

Thu 10/8

6:15 am-3:45 pm

1 stop15h 30m

Newark

Wed 10/21

7:30 pm-10:25 pm

1 stop20h 55m

$535

TriesteNewark

TRS Trieste Ronchi dei Legionari - EWR Newark

TRSEWR

Trieste Ronchi dei Legionari

Fri 10/9

6:10 am-3:45 pm

1 stop15h 35m

Newark

Fri 10/23

6:00 pm-1:55 pm

1 stop13h 55m

$536

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 Trieste to United States

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

What is the cheapest month to fly to United States?

In general, November is the cheapest month to fly from Trieste to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $542. If you aren’t able to travel during the month of November, then book flights to United States from Trieste during September instead. Flights to United States in September, while not as cheap as those in November, still average around $571.

Can stopping save me money on Trieste to United States flights?

You could potentially save up to 3% on your flight if you consider stops on a Trieste to United States flight.

Cheap Trieste to United States flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Trieste to United States

Best Price Found	$447
Fastest flight time	13h 10m
Direct flights	None

The best one-way flight to United States from Trieste in the past 72 hours is $447. The best round-trip flight deal from Trieste to United States found on momondo in the last 72 hours is $458.

The fastest flight from Trieste to United States takes 13h 10m

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

Search flight deals

Frequently asked questions about flying from Trieste to the United States

When did momondo last update prices for flights from Trieste Ronchi dei Legionari Airport to United States?
Prices for flights from Trieste Ronchi dei Legionari Airport to United States were last updated today.
How many operators does momondo search for flights from Trieste Ronchi dei Legionari Airport to United States?
As of September 2026, there is 1 operator available to choose from for flights from Trieste Ronchi dei Legionari Airport to United States.
How old do you have to be to fly from Trieste Ronchi dei Legionari Airport to United States?
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 Trieste Ronchi dei Legionari Airport to United States.
What documentation or ID do you need to fly to United States?
The travel and health documents you'll need for your trip to United States may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United States. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Trieste to United States

Compare and see reviews for airlines that fly from Trieste to United States with momondo

Airline	Rating	Free Cancellation	Price
ITA Airways	PriceFrom $543	Free Cancellation	Rating 6.7 1,349 reviews		Search ITA Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Trieste to United States?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Trieste to United States. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Trieste to United States with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to United States from Trieste with this policy.

How can momondo help me find flights from Trieste to United States?

momondo helps you find the best flight between Trieste and United States by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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