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Cheap flights from Trieste to the United States from $366

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Trieste to the United States departing on 3/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

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ITA Airways Logo
7:15 pm - 6:55 pmTRS-JFK
29h 40m1 stop
ITA Airways Logo
9:15 pm - 10:25 amJFK-TRS
31h 10m1 stop
$479ITA Airways
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Mon, Nov 3 - Mon, Nov 17
ITA Airways Logo
3:15 pm - 6:55 pmTRS-JFK
33h 40m1 stop
ITA Airways Logo
5:45 pm - 10:55 pmJFK-TRS
24h 10m1 stop
$484ITA Airways
Find Deal
Tue, Mar 3 - Thu, Mar 12
Lufthansa Logo
2:40 pm - 8:25 pmTRS-EWR
11h 45m1 stop
Lufthansa Logo
6:05 pm - 2:00 pmEWR-TRS
13h 55m1 stop
$512Lufthansa
Find Deal
Mon, Nov 10 - Mon, Nov 17
Lufthansa Logo
2:40 pm - 8:10 pmTRS-JFK
11h 30m1 stop
Lufthansa Logo
3:55 pm - 2:00 pmJFK-TRS
16h 05m1 stop
$517Lufthansa
Find Deal
Mon, Nov 3 - Mon, Nov 10
Multiple Airlines Logo
7:20 pm - 10:00 pmTRS-JFK
32h 40m1 stop
Multiple Airlines Logo
11:45 pm - 6:50 pmJFK-TRS
14h 05m1 stop
$518Multiple Airlines
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Wed, Feb 25 - Tue, Mar 10
Multiple Airlines Logo
8:00 am - 7:05 pmTRS-JFK
17h 05m2 stops
Multiple Airlines Logo
11:45 pm - 6:50 pmJFK-TRS
14h 05m1 stop
$536Multiple Airlines
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Thu, Feb 26 - Tue, Mar 10
KLM Logo
3:15 pm - 7:04 pmTRS-EWR
32h 49m2 stops
KLM Logo
3:25 pm - 10:55 pmEWR-TRS
26h 30m2 stops
$718KLM
Find Deal
Wed, Mar 18 - Sun, Mar 22
KLM Logo
3:15 pm - 7:04 pmTRS-EWR
32h 49m2 stops
KLM Logo
3:25 pm - 6:30 pmEWR-TRS
22h 05m2 stops
$720KLM
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Wed, Mar 18 - Sun, Mar 22
United Airlines Logo
6:35 am - 2:18 pmTRS-LGA
37h 43m2 stops
United Airlines Logo
7:00 am - 10:25 amLGA-TRS
22h 25m2 stops
$765United Airlines
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Tue, Feb 24 - Tue, Mar 10
United Airlines Logo
6:35 am - 7:07 pmTRS-LGA
18h 32m2 stops
United Airlines Logo
6:15 pm - 10:25 amLGA-TRS
34h 10m2 stops
$832United Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 8

KLM flights from Trieste to United States

Our best KLM deals on Trieste to United States flight tickets
KLM
Mar 18
TRS3:15 pmTrieste Ronchi dei Legionari
32h 49m
2 stops
EWR7:04 pmNewark
Mar 22
EWR3:25 pmNewark
26h 30m
2 stops
TRS10:55 pmTrieste Ronchi dei Legionari
$718
Find similar
KLM
Mar 18
TRS3:15 pmTrieste Ronchi dei Legionari
32h 49m
2 stops
EWR7:04 pmNewark
Mar 22
EWR3:25 pmNewark
22h 05m
2 stops
TRS6:30 pmTrieste Ronchi dei Legionari
$720
Find similar
KLM
Oct 16
TRS6:35 amTrieste Ronchi dei Legionari
20h 14m
2 stops
LAX5:49 pmLos Angeles
Oct 21
LAX9:45 amLos Angeles
28h 10m
2 stops
TRS10:55 pmTrieste Ronchi dei Legionari
$992
Find similar

ITA Airways flights from Trieste to United States

Our best ITA Airways deals on Trieste to United States flight tickets
ITA Airways
Nov 3
TRS7:15 pmTrieste Ronchi dei Legionari
29h 40m
1 stop
JFK6:55 pmNew York John F Kennedy Intl
Nov 17
JFK9:15 pmNew York John F Kennedy Intl
31h 10m
1 stop
TRS10:25 amTrieste Ronchi dei Legionari
$479
Find similar
ITA Airways
Mar 3
TRS3:15 pmTrieste Ronchi dei Legionari
33h 40m
1 stop
JFK6:55 pmNew York John F Kennedy Intl
Mar 12
JFK5:45 pmNew York John F Kennedy Intl
24h 10m
1 stop
TRS10:55 pmTrieste Ronchi dei Legionari
$484
Find similar
ITA Airways
Feb 18
TRS3:15 pmTrieste Ronchi dei Legionari
33h 40m
1 stop
JFK6:55 pmNew York John F Kennedy Intl
Feb 27
JFK9:15 pmNew York John F Kennedy Intl
31h 10m
1 stop
TRS10:25 amTrieste Ronchi dei Legionari
$486
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Trieste to United States that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 14, 2025.
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

TriesteNew York

TRS - JFK

TRSJFK

Trieste Ronchi dei Legionari

Mon 11/3

7:15 pm-6:55 pm

1 stop29h 40m

New York John F Kennedy Intl

Mon 11/17

9:15 pm-10:25 am

1 stop31h 10m

$479

TriesteNew York

TRS - JFK

TRSJFK

Trieste Ronchi dei Legionari

Tue 3/3

3:15 pm-6:55 pm

1 stop33h 40m

New York John F Kennedy Intl

Thu 3/12

5:45 pm-10:55 pm

1 stop24h 10m

$484

TriesteNewark

TRS - EWR

TRSEWR

Trieste Ronchi dei Legionari

Mon 11/10

2:40 pm-8:25 pm

1 stop11h 45m

Newark

Mon 11/17

6:05 pm-2:00 pm

1 stop13h 55m

$512

TriesteNew York

TRS - JFK

TRSJFK

Trieste Ronchi dei Legionari

Mon 11/3

2:40 pm-8:10 pm

1 stop11h 30m

New York John F Kennedy Intl

Mon 11/10

3:55 pm-2:00 pm

1 stop16h 05m

$517

TriesteNew York

TRS - JFK

TRSJFK

Trieste Ronchi dei Legionari

Wed 2/25

7:20 pm-10:00 pm

1 stop32h 40m

New York John F Kennedy Intl

Tue 3/10

11:45 pm-6:50 pm

1 stop14h 05m

$518

TriesteNew York

TRS - JFK

TRSJFK

Trieste Ronchi dei Legionari

Thu 2/26

8:00 am-7:05 pm

2 stops17h 05m

New York John F Kennedy Intl

Tue 3/10

11:45 pm-6:50 pm

1 stop14h 05m

$536

TriesteNewark

TRS - EWR

TRSEWR

Trieste Ronchi dei Legionari

Wed 3/18

3:15 pm-7:04 pm

2 stops32h 49m

Newark

Sun 3/22

3:25 pm-10:55 pm

2 stops26h 30m

$718

TriesteNewark

TRS - EWR

TRSEWR

Trieste Ronchi dei Legionari

Wed 3/18

3:15 pm-7:04 pm

2 stops32h 49m

Newark

Sun 3/22

3:25 pm-6:30 pm

2 stops22h 05m

$720

TriesteNew York

TRS - LGA

TRSLGA

Trieste Ronchi dei Legionari

Tue 2/24

6:35 am-2:18 pm

2 stops37h 43m

New York LaGuardia

Tue 3/10

7:00 am-10:25 am

2 stops22h 25m

$765

TriesteNew York

TRS - LGA

TRSLGA

Trieste Ronchi dei Legionari

Fri 12/5

6:35 am-7:07 pm

2 stops18h 32m

New York LaGuardia

Mon 12/8

6:15 pm-10:25 am

2 stops34h 10m

$832

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United States from

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

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 $421. If you aren’t able to travel during the month of April, then book flights to United States from Trieste during January instead. Flights to United States in January, while not as cheap as those in April, still average around $447.

What is the cheapest day to depart on your flight to United States?

According to our data, Wednesday is the cheapest day to fly to United States from Trieste. The lowest ticket price found for a Wednesday departure recently was $426. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $688. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.

What is the cheapest time of day to depart on your flight to United States?

The cheapest time of day to fly to United States is in the morning when flights can be purchased for as low as $533. Try not to purchase tickets at noon because they tend to be around $618. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Direct flights

None
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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  • 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?

  • 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
LufthansaPriceFrom $444Free CancellationRating
6.8
7,484 reviews
Search Lufthansa flights
ITA AirwaysPriceFrom $446Free CancellationRating
6.7
1,065 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.

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