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 35% 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 July 2026, there are 2 operators 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.

$281 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.

11:15 am - 6:55 pm

TRS

JFK

13h 40m

1 stop

4:05 pm - 2:30 pm

JFK

TRS

16h 25m

1 stop

$281ITA Airways

mer., sept. 16 - jeu., sept. 24

6:10 am - 3:45 pm

TRS

EWR

15h 35m

1 stop

6:00 pm - 1:55 pm

EWR

TRS

13h 55m

1 stop

$389Lufthansa

mer., sept. 16 - jeu., sept. 24

7:15 pm - 1:15 pm

TRS

SFO

27h 00m

1 stop

3:15 pm - 2:30 pm

SFO

TRS

14h 15m

1 stop

$537ITA Airways

jeu., sept. 10 - mar., sept. 22

7:15 pm - 1:15 pm

TRS

SFO

27h 00m

1 stop

3:15 pm - 2:30 pm

SFO

TRS

14h 15m

1 stop

$540ITA Airways

mer., sept. 9 - mer., sept. 16

6:35 am - 1:15 pm

TRS

SFO

15h 40m

1 stop

3:15 pm - 2:30 pm

SFO

TRS

14h 15m

1 stop

$544ITA Airways

jeu., sept. 3 - lun., sept. 7

6:15 am - 3:20 pm

TRS

SFO

18h 05m

1 stop

7:25 pm - 10:25 pm

SFO

TRS

18h 00m

1 stop

$580Lufthansa

jeu., oct. 1 - lun., oct. 12

2:40 pm - 12:59 am

TRS

SFO

19h 19m

2 stops

1:55 pm - 1:55 pm

SFO

TRS

15h 00m

1 stop

$580Lufthansa

jeu., oct. 1 - lun., oct. 12

6:35 am - 6:49 pm

TRS

LAX

21h 14m

2 stops

9:55 am - 6:30 pm

LAX

TRS

23h 35m

2 stops

$617KLM

mer., sept. 9 - mar., sept. 29

6:35 am - 1:15 pm

TRS

LAX

15h 40m

1 stop

2:19 pm - 10:15 pm

LAX

TRS

22h 56m

2 stops

$620Multiple Airlines

jeu., oct. 15 - mar., oct. 20

8:10 pm - 10:30 pm

TRS

JFK

32h 20m

2 stops

6:20 pm - 8:15 pm

JFK

TRS

19h 55m

1 stop

$644Multiple Airlines

lun., sept. 14 - mar., sept. 29

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ITA Airways flights from Trieste to United States

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

ITA Airways

Sep 16

TRS11:15 amTrieste Ronchi dei Legionari

13h 40m

1 stop

JFK6:55 pmNew York John F Kennedy Intl

Sep 24

JFK4:05 pmNew York John F Kennedy Intl

16h 25m

1 stop

TRS2:30 pmTrieste Ronchi dei Legionari

$281

ITA Airways

Sep 10

TRS7:15 pmTrieste Ronchi dei Legionari

27h 00m

1 stop

SFO1:15 pmSan Francisco

Sep 22

SFO3:15 pmSan Francisco

14h 15m

1 stop

TRS2:30 pmTrieste Ronchi dei Legionari

$537

ITA Airways

Sep 9

TRS7:15 pmTrieste Ronchi dei Legionari

27h 00m

1 stop

SFO1:15 pmSan Francisco

Sep 16

SFO3:15 pmSan Francisco

14h 15m

1 stop

TRS2:30 pmTrieste Ronchi dei Legionari

$540

Lufthansa flights from Trieste to United States

Our best Lufthansa deals on Trieste to United States flight tickets

Lufthansa

Sep 16

TRS6:10 amTrieste Ronchi dei Legionari

15h 35m

1 stop

EWR3:45 pmNewark

Sep 24

EWR6:00 pmNewark

13h 55m

1 stop

TRS1:55 pmTrieste Ronchi dei Legionari

$389

Lufthansa

Oct 1

TRS6:15 amTrieste Ronchi dei Legionari

18h 05m

1 stop

SFO3:20 pmSan Francisco

Oct 12

SFO7:25 pmSan Francisco

18h 00m

1 stop

TRS10:25 pmTrieste Ronchi dei Legionari

$580

Lufthansa

Sep 10

TRS6:15 amTrieste Ronchi dei Legionari

22h 35m

1 stop

SFO7:50 pmSan Francisco

Sep 22

SFO3:10 pmSan Francisco

22h 05m

2 stops

TRS10:15 pmTrieste Ronchi dei Legionari

$586

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TriesteNew York

TRS - JFK

TRSJFK

Trieste Ronchi dei Legionari

mer. 9/16

11:15 am-6:55 pm

1 stop13h 40m

New York John F Kennedy Intl

jeu. 9/24

4:05 pm-2:30 pm

1 stop16h 25m

$281

Quickest round-trip

TriesteNewark

TRS - EWR

TRSEWR

Trieste Ronchi dei Legionari

mer. 9/16

6:10 am-3:45 pm

1 stop15h 35m

Newark

jeu. 9/24

6:00 pm-1:55 pm

1 stop13h 55m

$389

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

jeu. 9/10

7:15 pm-1:15 pm

1 stop27h 00m

San Francisco

mar. 9/22

3:15 pm-2:30 pm

1 stop14h 15m

$537

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

mer. 9/9

7:15 pm-1:15 pm

1 stop27h 00m

San Francisco

mer. 9/16

3:15 pm-2:30 pm

1 stop14h 15m

$540

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

jeu. 9/3

6:35 am-1:15 pm

1 stop15h 40m

San Francisco

lun. 9/7

3:15 pm-2:30 pm

1 stop14h 15m

$544

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

jeu. 10/1

6:15 am-3:20 pm

1 stop18h 05m

San Francisco

lun. 10/12

7:25 pm-10:25 pm

1 stop18h 00m

$580

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

jeu. 10/1

2:40 pm-12:59 am

2 stops19h 19m

San Francisco

lun. 10/12

1:55 pm-1:55 pm

1 stop15h 00m

$580

TriesteLos Angeles

TRS - LAX

TRSLAX

Trieste Ronchi dei Legionari

mer. 9/9

6:35 am-6:49 pm

2 stops21h 14m

Los Angeles Los Angeles

mar. 9/29

9:55 am-6:30 pm

2 stops23h 35m

$617

TriesteLos Angeles

TRS - LAX

TRSLAX

Trieste Ronchi dei Legionari

jeu. 10/15

6:35 am-1:15 pm

1 stop15h 40m

Los Angeles Los Angeles

mar. 10/20

2:19 pm-10:15 pm

2 stops22h 56m

$620

TriesteNew York

TRS - JFK

TRSJFK

Trieste Ronchi dei Legionari

lun. 9/14

8:10 pm-10:30 pm

2 stops32h 20m

New York John F Kennedy Intl

mar. 9/29

6:20 pm-8:15 pm

1 stop19h 55m

$644

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 $527. 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 $574.

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

You could potentially save up to 12% 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

Fastest flight time	13h 20m
Direct flights	None

The fastest flight from Trieste to United States takes 13h 20m

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

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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 July 2026, there are 2 operators 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 $509	Free Cancellation	Rating 6.7 1,303 reviews		Search ITA Airways flights
Lufthansa	PriceFrom $653	Free Cancellation	Rating 6.8 8,168 reviews		Search Lufthansa 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.