What airlines fly to United States?

ITA Airways, British Airways and United Airlines 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 27% of people opting to fly with this airline when traveling to United States. Keep in mind that there are 11 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?

ITA Airways, TAP AIR PORTUGAL, and KLM 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 March 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.

$287 Cheap Flights from Trieste to the United States in 2026

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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.

7:15 pm - 1:55 pm

TRS

JFK

24h 40m

1 stop

5:35 pm - 10:55 pm

JFK

TRS

23h 20m

1 stop

$431ITA Airways

Mon, Mar 30 - Sun, Apr 12

6:35 am - 1:15 pm

TRS

JFK

12h 40m

1 stop

9:10 pm - 6:30 pm

JFK

TRS

15h 20m

1 stop

$435ITA Airways

Mon, Mar 30 - Sun, Apr 12

6:10 am - 3:55 pm

TRS

EWR

15h 45m

1 stop

6:00 pm - 1:55 pm

EWR

TRS

13h 55m

1 stop

$517Lufthansa

Mon, Apr 27 - Mon, May 4

6:10 am - 1:40 pm

TRS

EWR

13h 30m

1 stop

6:05 pm - 1:55 pm

EWR

TRS

13h 50m

2 stops

$547Lufthansa

Mon, Apr 27 - Mon, May 4

6:35 am - 11:02 pm

TRS

EWR

22h 27m

2 stops

3:26 pm - 2:30 pm

EWR

TRS

17h 04m

2 stops

$559KLM

Tue, Mar 31 - Sun, Apr 19

6:35 am - 7:30 pm

TRS

EWR

18h 55m

2 stops

4:59 pm - 6:30 pm

EWR

TRS

19h 31m

2 stops

$571KLM

Mon, Mar 30 - Mon, Apr 20

6:20 am - 2:58 pm

TRS

LGA

14h 38m

2 stops

4:00 pm - 1:55 pm

LGA

TRS

15h 55m

2 stops

$671Multiple Airlines

Tue, Apr 14 - Thu, Apr 23

6:35 am - 10:21 pm

TRS

ORD

22h 46m

2 stops

1:06 pm - 2:30 pm

ORD

TRS

18h 24m

2 stops

$693Multiple Airlines

Tue, Apr 14 - Wed, Apr 29

6:35 am - 8:43 pm

TRS

SAN

23h 08m

2 stops

6:26 pm - 10:25 am

SAN

TRS

54h 59m

2 stops

$913United Airlines

Fri, May 15 - Sat, May 16

6:35 am - 8:04 am

TRS

SAN

34h 29m

2 stops

1:15 pm - 10:25 am

SAN

TRS

60h 10m

2 stops

$1,094United Airlines

Sat, May 16 - Sun, May 17

ITA Airways flights from Trieste to United States

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

ITA Airways

Mar 30

TRS7:15 pmTrieste Ronchi dei Legionari

24h 40m

1 stop

JFK1:55 pmNew York John F Kennedy Intl

Apr 12

JFK5:35 pmNew York John F Kennedy Intl

23h 20m

1 stop

TRS10:55 pmTrieste Ronchi dei Legionari

$431

ITA Airways

Mar 30

TRS6:35 amTrieste Ronchi dei Legionari

12h 40m

1 stop

JFK1:15 pmNew York John F Kennedy Intl

Apr 12

JFK5:35 pmNew York John F Kennedy Intl

18h 55m

1 stop

TRS6:30 pmTrieste Ronchi dei Legionari

$437

ITA Airways

Mar 29

TRS11:15 amTrieste Ronchi dei Legionari

32h 00m

1 stop

JFK1:15 pmNew York John F Kennedy Intl

Apr 11

JFK4:05 pmNew York John F Kennedy Intl

24h 50m

1 stop

TRS10:55 pmTrieste Ronchi dei Legionari

$447

United Airlines flights from Trieste to United States

Our best United Airlines deals on Trieste to United States flight tickets

United Airlines

May 1

TRS6:35 amTrieste Ronchi dei Legionari

21h 50m

1 stop

SFO7:25 pmSan Francisco

May 11

SFO4:25 pmSan Francisco

33h 00m

1 stop

TRS10:25 amTrieste Ronchi dei Legionari

$793

United Airlines

May 1

TRS6:35 amTrieste Ronchi dei Legionari

37h 50m

2 stops

SFO11:25 amSan Francisco

May 11

SFO5:00 amSan Francisco

44h 25m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

$796

United Airlines

Apr 29

TRS6:35 amTrieste Ronchi dei Legionari

24h 02m

2 stops

SFO9:37 pmSan Francisco

May 10

SFO7:05 pmSan Francisco

54h 20m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

$798

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TriesteNew York

TRS - JFK

TRSJFK

Trieste Ronchi dei Legionari

Mon 3/30

7:15 pm-1:55 pm

1 stop24h 40m

New York John F Kennedy Intl

Sun 4/12

5:35 pm-10:55 pm

1 stop23h 20m

$431

TriesteNew York

TRS - JFK

TRSJFK

Trieste Ronchi dei Legionari

Mon 3/30

6:35 am-1:15 pm

1 stop12h 40m

New York John F Kennedy Intl

Sun 4/12

9:10 pm-6:30 pm

1 stop15h 20m

$435

TriesteNewark

TRS - EWR

TRSEWR

Trieste Ronchi dei Legionari

Mon 4/27

6:10 am-3:55 pm

1 stop15h 45m

Newark

Mon 5/4

6:00 pm-1:55 pm

1 stop13h 55m

$517

Quickest round-trip

TriesteNewark

TRS - EWR

TRSEWR

Trieste Ronchi dei Legionari

Mon 4/27

6:10 am-1:40 pm

1 stop13h 30m

Newark

Mon 5/4

6:05 pm-1:55 pm

2 stops13h 50m

$547

TriesteNewark

TRS - EWR

TRSEWR

Trieste Ronchi dei Legionari

Tue 3/31

6:35 am-11:02 pm

2 stops22h 27m

Newark

Sun 4/19

3:26 pm-2:30 pm

2 stops17h 04m

$559

TriesteNewark

TRS - EWR

TRSEWR

Trieste Ronchi dei Legionari

Mon 3/30

6:35 am-7:30 pm

2 stops18h 55m

Newark

Mon 4/20

4:59 pm-6:30 pm

2 stops19h 31m

$571

TriesteNew York

TRS - LGA

TRSLGA

Trieste Ronchi dei Legionari

Tue 4/14

6:20 am-2:58 pm

2 stops14h 38m

New York LaGuardia

Thu 4/23

4:00 pm-1:55 pm

2 stops15h 55m

$671

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Tue 4/14

6:35 am-10:21 pm

2 stops22h 46m

Chicago O'Hare Intl

Wed 4/29

1:06 pm-2:30 pm

2 stops18h 24m

$693

TriesteSan Diego

TRS - SAN

TRSSAN

Trieste Ronchi dei Legionari

Fri 5/15

6:35 am-8:43 pm

2 stops23h 08m

San Diego

Sat 5/16

6:26 pm-10:25 am

2 stops54h 59m

$913

TriesteSan Diego

TRS - SAN

TRSSAN

Trieste Ronchi dei Legionari

Sat 5/16

6:35 am-8:04 am

2 stops34h 29m

San Diego

Sun 5/17

1:15 pm-10:25 am

2 stops60h 10m

$1,094

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, April 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 $401. If you aren’t able to travel during the month of April, then book flights to United States from Trieste during May instead. Flights to United States in May, while not as cheap as those in April, still average around $463.

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	11h 25m
Direct flights	None

The fastest flight from Trieste to United States takes 11h 25m

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

Search flight deals

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 March 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 $469	Free Cancellation	Rating 6.7 1,169 reviews		Search ITA Airways flights
Lufthansa	PriceFrom $653	Free Cancellation	Rating 6.8 7,848 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.