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Cheap flights from Newark Airport to Trieste from $456

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Newark Airport to Trieste departing on 1/11. 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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Find the cheapest flights from Newark Airport to Trieste

Cheap round-trip flights

Enter your travel dates to find the best prices.
SWISS Logo
10:00 pm - 6:30 pm
EWR
-
TRS
14h 30m2 stops
SWISS Logo
11:15 am - 1:55 pm
TRS
-
EWR
32h 40m2 stops
$556SWISS
Mon, Feb 9 - Mon, Feb 23
Lufthansa Logo
7:30 pm - 10:30 pm
EWR
-
TRS
21h 00m1 stop
Lufthansa Logo
6:15 am - 4:00 pm
TRS
-
EWR
15h 45m1 stop
$560Lufthansa
Thu, Jan 29 - Thu, Feb 5
Multiple Airlines Logo
6:05 pm - 2:00 pm
EWR
-
TRS
13h 55m1 stop
Multiple Airlines Logo
2:40 pm - 8:27 am
TRS
-
EWR
23h 47m2 stops
$570Multiple Airlines
Mon, Feb 9 - Mon, Feb 23
Lufthansa Logo
5:15 pm - 6:30 pm
EWR
-
TRS
19h 15m1 stop
Lufthansa Logo
6:15 am - 2:00 pm
TRS
-
EWR
13h 45m1 stop
$571Lufthansa
Thu, Jan 29 - Thu, Feb 5
Lufthansa Logo
7:30 pm - 10:25 pm
EWR
-
TRS
20h 55m1 stop
Lufthansa Logo
6:35 am - 2:40 pm
TRS
-
EWR
14h 05m1 stop
$599Lufthansa
Sun, Jan 18 - Mon, Jan 26
Lufthansa Logo
10:40 pm - 10:30 pm
EWR
-
TRS
17h 50m2 stops
Lufthansa Logo
3:20 pm - 2:40 pm
TRS
-
EWR
29h 20m1 stop
$602Lufthansa
Thu, Jan 29 - Thu, Feb 5
Lufthansa Logo
6:05 pm - 2:00 pm
EWR
-
TRS
13h 55m1 stop
Lufthansa Logo
2:40 pm - 8:25 pm
TRS
-
EWR
11h 45m1 stop
$609Lufthansa
Mon, Feb 9 - Mon, Feb 23
Multiple Airlines Logo
8:50 pm - 10:30 pm
EWR
-
TRS
19h 40m2 stops
Multiple Airlines Logo
6:15 am - 2:47 pm
TRS
-
EWR
14h 32m2 stops
$619Multiple Airlines
Thu, Jan 29 - Thu, Feb 5
Multiple Airlines Logo
10:40 pm - 10:30 pm
EWR
-
TRS
17h 50m2 stops
Multiple Airlines Logo
3:20 pm - 1:55 pm
TRS
-
EWR
28h 35m2 stops
$643Multiple Airlines
Thu, Jan 29 - Thu, Feb 5
Multiple Airlines Logo
1:35 am - 11:30 am
EWR
-
TRS
27h 55m2 stops
Multiple Airlines Logo
6:15 pm - 10:10 pm
TRS
-
EWR
33h 55m2 stops
$665Multiple Airlines
Sat, Jan 17 - Mon, Jan 26

SWISS flights from Newark Airport to Trieste

Our best SWISS deals on Newark Airport to Trieste flight tickets
SWISS
Feb 9
EWR10:00 pmNewark
14h 30m
2 stops
TRS6:30 pmTrieste Ronchi dei Legionari
Feb 23
TRS11:15 amTrieste Ronchi dei Legionari
32h 40m
2 stops
EWR1:55 pmNewark
$556
Find similar
SWISS
Mar 26
EWR11:00 pmNewark
14h 30m
2 stops
TRS6:30 pmTrieste Ronchi dei Legionari
Apr 13
TRS11:15 amTrieste Ronchi dei Legionari
32h 05m
2 stops
EWR1:20 pmNewark
$1,135
Find similar
SWISS
Mar 25
EWR11:00 pmNewark
18h 55m
2 stops
TRS10:55 pmTrieste Ronchi dei Legionari
Apr 13
TRS6:35 amTrieste Ronchi dei Legionari
19h 40m
2 stops
EWR8:15 pmNewark
$14,365
Find similar

Lufthansa flights from Newark Airport to Trieste

Our best Lufthansa deals on Newark Airport to Trieste flight tickets
Lufthansa
Feb 9
EWR6:05 pmNewark
13h 55m
1 stop
TRS2:00 pmTrieste Ronchi dei Legionari
Feb 23
TRS2:40 pmTrieste Ronchi dei Legionari
11h 45m
1 stop
EWR8:25 pmNewark
$609
Find similar
Lufthansa
Jan 2
EWR5:00 pmNewark
15h 05m
2 stops
TRS2:05 pmTrieste Ronchi dei Legionari
Jan 6
TRS2:40 pmTrieste Ronchi dei Legionari
27h 15m
2 stops
EWR11:55 amNewark
$1,049
Find similar
Lufthansa
Jan 2
EWR5:00 pmNewark
15h 05m
2 stops
TRS2:05 pmTrieste Ronchi dei Legionari
Jan 6
TRS2:40 pmTrieste Ronchi dei Legionari
29h 20m
1 stop
EWR2:00 pmNewark
$1,208
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Newark Airport to Trieste 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 December 18, 2025.
Use the filters below to find and compare flights from Newark Airport to Trieste that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

NewarkTrieste

EWR - TRS

EWRTRS

Newark

Mon 2/9

10:00 pm-6:30 pm

2 stops14h 30m

Trieste Ronchi dei Legionari

Mon 2/23

11:15 am-1:55 pm

2 stops32h 40m

$556

NewarkTrieste

EWR - TRS

EWRTRS

Newark

Thu 1/29

7:30 pm-10:30 pm

1 stop21h 00m

Trieste Ronchi dei Legionari

Thu 2/5

6:15 am-4:00 pm

1 stop15h 45m

$560

NewarkTrieste

EWR - TRS

EWRTRS

Newark

Mon 2/9

6:05 pm-2:00 pm

1 stop13h 55m

Trieste Ronchi dei Legionari

Mon 2/23

2:40 pm-8:27 am

2 stops23h 47m

$570

NewarkTrieste

EWR - TRS

EWRTRS

Newark

Thu 1/29

5:15 pm-6:30 pm

1 stop19h 15m

Trieste Ronchi dei Legionari

Thu 2/5

6:15 am-2:00 pm

1 stop13h 45m

$571

NewarkTrieste

EWR - TRS

EWRTRS

Newark

Sun 1/18

7:30 pm-10:25 pm

1 stop20h 55m

Trieste Ronchi dei Legionari

Mon 1/26

6:35 am-2:40 pm

1 stop14h 05m

$599

NewarkTrieste

EWR - TRS

EWRTRS

Newark

Thu 1/29

10:40 pm-10:30 pm

2 stops17h 50m

Trieste Ronchi dei Legionari

Thu 2/5

3:20 pm-2:40 pm

1 stop29h 20m

$602

NewarkTrieste

EWR - TRS

EWRTRS

Newark

Mon 2/9

6:05 pm-2:00 pm

1 stop13h 55m

Trieste Ronchi dei Legionari

Mon 2/23

2:40 pm-8:25 pm

1 stop11h 45m

$609

NewarkTrieste

EWR - TRS

EWRTRS

Newark

Thu 1/29

8:50 pm-10:30 pm

2 stops19h 40m

Trieste Ronchi dei Legionari

Thu 2/5

6:15 am-2:47 pm

2 stops14h 32m

$619

NewarkTrieste

EWR - TRS

EWRTRS

Newark

Thu 1/29

10:40 pm-10:30 pm

2 stops17h 50m

Trieste Ronchi dei Legionari

Thu 2/5

3:20 pm-1:55 pm

2 stops28h 35m

$643

NewarkTrieste

EWR - TRS

EWRTRS

Newark

Sat 1/17

1:35 am-11:30 am

2 stops27h 55m

Trieste Ronchi dei Legionari

Mon 1/26

6:15 pm-10:10 pm

2 stops33h 55m

$665

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 Trieste from

How to get the cheapest flight ticket from Newark Airport 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

What is the cheapest day to depart on your flight to Trieste?

The cheapest day to depart on your flight to Trieste is on a Saturday when prices can be found for as low as $871. This is often the case because there is less demand to fly during this day of the week. Flights from Newark Airport to Trieste on a Friday will generally be more expensive and average around $1,279. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Trieste is in the afternoon. Flights from Newark Airport to Trieste during this time can be as low as $1,020. Flights to Trieste are more costly in the evening, with an average ticket price of $1,116. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Newark Airport to Trieste flights?

You could potentially save up to 8% on your flight if you consider stops on a Newark Airport to Trieste flight.

When to book flights from Newark Airport to Trieste

Are you open to changing your travel dates? Check out the ideal times to fly from Newark Airport to Trieste according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Newark Airport to Trieste (EWR to TRS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Newark Airport to Trieste

Fastest flight time

14h 30m

Direct flights

None
The fastest flight from Newark Airport to Trieste takes 14h 30m
There are no direct flights from Newark Airport to Trieste. There are no popular flight routes from Newark Airport to Trieste.
Search flight deals

  • How far is Newark to Trieste Ronchi dei Legionari by plane?

    Trieste Ronchi dei Legionari is 4209.7 mi away from Newark. A reasonable flight in good conditions will take 14h 30m.

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

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

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

  • How old do you have to be to fly from Newark Airport to Trieste Ronchi dei Legionari Airport?

    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 Newark Airport to Trieste Ronchi dei Legionari Airport.

  • What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?

    The travel and health documents required for your trip to Trieste Ronchi dei Legionari Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Trieste Ronchi dei Legionari Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Newark Airport to Trieste?

Best airlines flying from Newark Airport to Trieste

Compare and see reviews for airlines that fly from Newark Airport to Trieste with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $988Free CancellationRating
6.8
7,635 reviews
Search Lufthansa flights

Traveling to a place near Trieste?

Book flights to Trieste if you plan to visit one of these locations
Udine
Grado

Why use momondo?

Why should I use momondo to find a flight deal from New York to Trieste?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from New York to Trieste. momondo saves you time and could save you money on your trip.

Can I find flights from New York to Trieste with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Trieste from New York with this policy.

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?

Yes. momondo can track prices for New York to Trieste flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo
United Airlines
TAP AIR PORTUGAL
Lufthansa
Scandinavian Airlines
British Airways
SWISS
Delta