HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Trieste

$544+ Cheap flights from Newark (EWR) to Trieste (TRS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — TRS
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Newark to Trieste with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Newark to Trieste

Cheapest flights from Newark to Trieste
Explore the most affordable flight options available from Newark to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This oojo deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1111:55 pmEWR - TRS
2 stops41h 00mTAP AIR PORTUGAL
Thu 12/1811:15 amTRS - EWR
2 stops34h 15mTAP AIR PORTUGAL
Deal found 12/10$1,289
This KAYAK deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:55 pmEWR - TRS
2 stops41h 00mTAP AIR PORTUGAL
Mon 1/511:15 amTRS - EWR
2 stops58h 15mTAP AIR PORTUGAL
Deal found 12/10$1,524
This Ovago deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:05 pmEWR - TRS
1 stop14h 00mMultiple Airlines
Mon 1/511:15 amTRS - EWR
2 stops32h 40mMultiple Airlines
Deal found 12/10$1,528
This Cheapflightsfares deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1110:15 pmEWR - TRS
2 stops18h 15mLufthansa
Thu 12/186:35 amTRS - EWR
1 stop14h 05mLufthansa
Deal found 12/10$1,587
This Mytrip deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2111:00 pmEWR - TRS
2 stops16h 10mMultiple Airlines
Sun 12/286:10 amTRS - EWR
3 stops47h 49mMultiple Airlines
Deal found 12/11$1,629
This Justfly.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:05 pmEWR - TRS
1 stop13h 55mLufthansa
Sun 12/283:00 pmTRS - EWR
1 stop31h 00mLufthansa
Deal found 12/11$2,749

Find flight deals from Newark to Trieste

Discover tips and strategies to find the most affordable flight options for your journey from Newark (EWR) to Trieste (TRS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$544
(FlightHub)

Popular in

June

Cheapest in

November

Average price

$964
Provider with most accurate pricing for Newark-Trieste Ronchi dei Legionari flight deals.
Search Deals
Provider most trusted by Cheapflights users for Newark-Trieste Ronchi dei Legionari flights.
Search Deals
From Newark to Trieste Ronchi dei Legionari
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($170 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Newark 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, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Newark Airport to Trieste that are best for you.

Fly from

Newark

Fly to

Trieste

Route

Depart

Return

Price

NewarkTrieste

EWR - TRS

EWRTRS

Newark

Thu 2/5

5:15 pm-6:30 pm

1 stop19h 15m

Trieste Ronchi dei Legionari

Sun 2/15

11:15 am-2:40 pm

1 stop33h 25m

$544

NewarkTrieste

EWR - TRS

EWRTRS

Newark

Fri 2/6

5:15 pm-10:25 am

1 stop11h 10m

Trieste Ronchi dei Legionari

Sun 2/15

11:15 am-2:40 pm

1 stop33h 25m

$544

NewarkTrieste

EWR - TRS

EWRTRS

Newark

Mon 1/26

10:00 pm-6:30 pm

2 stops14h 30m

Trieste Ronchi dei Legionari

Sun 2/1

3:15 pm-8:30 pm

2 stops35h 15m

$548

NewarkTrieste

EWR - TRS

EWRTRS

Newark

Mon 1/26

5:15 pm-6:30 pm

1 stop19h 15m

Trieste Ronchi dei Legionari

Sun 2/1

3:15 pm-2:40 pm

1 stop29h 25m

$548

NewarkTrieste

EWR - TRS

EWRTRS

Newark

Thu 2/5

5:15 pm-6:30 pm

1 stop19h 15m

Trieste Ronchi dei Legionari

Sun 2/15

11:15 am-8:30 pm

2 stops39h 15m

$555

NewarkTrieste

EWR - TRS

EWRTRS

Newark

Mon 1/26

6:05 pm-2:00 pm

1 stop13h 55m

Trieste Ronchi dei Legionari

Sun 2/1

3:15 pm-8:30 pm

2 stops35h 15m

$579

NewarkTrieste

EWR - TRS

EWRTRS

Newark

Wed 3/11

11:00 pm-6:30 pm

2 stops38h 30m

Trieste Ronchi dei Legionari

Sun 3/15

6:35 am-2:55 pm

2 stops37h 20m

$590

NewarkTrieste

EWR - TRS

EWRTRS

Newark

Sat 1/24

6:05 pm-2:05 pm

1 stop14h 00m

Trieste Ronchi dei Legionari

Sat 1/31

6:25 am-4:00 pm

1 stop15h 35m

$592

NewarkTrieste

EWR - TRS

EWRTRS

Newark

Tue 5/19

8:05 pm-6:30 pm

1 stop16h 25m

$667

NewarkTrieste

EWR - TRS

EWRTRS

Newark

Tue 5/19

9:50 pm-6:30 pm

2 stops38h 40m

$683

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 14 results
1
2

Compare providers for flights from Newark to Trieste

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Newark to Trieste in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Newark Airport-Trieste flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Newark Airport-Trieste flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Newark Airport-Trieste flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Newark Airport-Trieste flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Newark Airport-Trieste flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Newark to Trieste

Have a flexible travel schedule? Discover the best time to fly to Trieste from Newark with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Newark Airport to Trieste

What is the cheapest month to book a flight from Newark Airport to Trieste?

Currently, May is the cheapest month in which you can book a flight from Newark Airport to Trieste (average of $341). Flying from Newark Airport to Trieste in July is currently the most expensive (average of $698). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Trieste

Get insights into the airlines that provide service to Trieste. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Trieste. Reviews last updated December 12, 2025.
Read reviews from past customers who have flown Lufthansa from Newark Airport to Trieste. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Lufthansa
6.8
Okay
7,626 reviews

Comfort

6.8

Boarding

7.0

Food

6.3

Crew

7.6

Entertainment

6.4

Overall

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.
Lufthansa
6.8
Okay
7,626 reviews
Lufthansa
6.8
Okay
7,626 reviews

Comfort

6.8

Boarding

7.0

Food

6.3

Crew

7.6

Entertainment

6.4

Overall

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.

Related info for your journey

Find useful and relevant information for your journey from Newark to Trieste. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Trieste from Newark?

    If you book a flight to Trieste from Newark, you will be flying to Ronchi dei Legionari, which is the city’s only airport. Trieste Ronchi dei Legionari (TRS) is located 18.2 mi from the center of Trieste. There are 0 flights from Newark to Ronchi dei Legionari per day from 1 airline.

  • How long is the flight from Newark Airport to Trieste?

    Departing from Newark Airport to Trieste will take you 14h 30m. Airlines will cover a distance of 4192 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Newark Airport to Trieste round-trip?

    Lufthansa, at $988, was found to be the cheapest airline from Newark Airport to Trieste..

  • Can I find deals for flights from Newark to Trieste that include hotel bookings?

    Yes. In addition to deals on Newark to Trieste flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Newark to Trieste?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Newark to Trieste.

  • Can I find deals for business class flights from Newark to Trieste?

    Yes. Cheapflights offers flight deals from Newark to Trieste by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Newark Airport to Trieste?

    Currently, May is the cheapest month in which you can book a flight from Newark Airport to Trieste (average of $341). Flying from Newark Airport to Trieste in July is currently the most expensive (average of $698). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Newark to Trieste

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Vicenza flights
Newark to Vicenza flights
LaGuardia to Vicenza flights
Stewart to Vicenza flights
John F Kennedy Intl to Trieste flights
LaGuardia to Trieste flights

Top airline flying from Newark to Trieste

Discover the top airline that operate flights from Newark to Trieste. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$988Average$1,375FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.