HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Trieste

$263+ Cheap flights from Pennsylvania to Trieste (TRS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — TRS
Jan 16 — Jan 231
Fri 1/16
Fri 1/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pennsylvania 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 Pennsylvania to Trieste

Cheapest flights from Pennsylvania to Trieste
Explore the most affordable flight options available from Pennsylvania to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/163:35 amJFK - TRS
2 stops35h 45mMultiple Airlines
Sat 1/1711:15 amTRS - JFK
1 stop13h 40mMultiple Airlines
Deal found 12/16$992
This oojo deal was found by Cheapflights users on 12/16. 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.
Sun 12/219:15 pmJFK - TRS
1 stop15h 15mITA Airways
Sun 1/1111:15 amTRS - JFK
1 stop13h 40mITA Airways
Deal found 12/16$1,077
This ITA Airways deal was found by Cheapflights users on 12/16. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/179:15 pmJFK - TRS
2 stops17h 55mITA Airways
Sat 1/178:00 amTRS - JFK
2 stops16h 55mITA Airways
Deal found 12/16$1,157
This oojo deal was found by Cheapflights users on 12/15. 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.
Sun 12/219:15 pmJFK - TRS
1 stop19h 40mITA Airways
Wed 1/77:15 pmTRS - JFK
1 stop29h 40mITA Airways
Deal found 12/15$1,205
This Mytrip deal was found by Cheapflights users on 12/16. 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.
Wed 12/171:05 pmLGA - TRS
2 stops21h 30mMultiple Airlines
Sat 1/176:10 pmTRS - LGA
3 stops32h 49mMultiple Airlines
Deal found 12/16$1,224
This oojo deal was found by Cheapflights users on 12/16. 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 12/184:45 pmJFK - TRS
1 stop19h 45mITA Airways
Sun 12/2811:15 amTRS - JFK
1 stop13h 40mITA Airways
Deal found 12/16$1,226
This oojo deal was found by Cheapflights users on 12/16. 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.
Sat 12/204:45 pmJFK - TRS
1 stop11h 40mITA Airways
Sun 1/1111:15 amTRS - JFK
1 stop13h 40mITA Airways
Deal found 12/16$1,227
This Mytrip deal was found by Cheapflights users on 12/16. 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.
Wed 12/175:20 pmEWR - TRS
2 stops21h 55mMultiple Airlines
Sat 1/176:10 pmTRS - EWR
3 stops33h 50mMultiple Airlines
Deal found 12/16$1,237
This Mytrip deal was found by Cheapflights users on 12/15. 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 12/217:27 pmEWR - TRS
2 stops19h 03mMultiple Airlines
Sun 1/117:15 pmTRS - EWR
2 stops32h 55mMultiple Airlines
Deal found 12/15$1,266
This Mytrip deal was found by Cheapflights users on 12/17. 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.
Sat 12/2011:00 pmEWR - TRS
2 stops31h 20mMultiple Airlines
Sun 1/117:15 pmTRS - EWR
3 stops32h 55mMultiple Airlines
Deal found 12/17$1,297
This Cheapflightsfares deal was found by Cheapflights users on 12/15. 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.
Sat 12/205:35 pmEWR - TRS
2 stops14h 30mLufthansa
Sun 1/116:35 amTRS - EWR
1 stop14h 05mLufthansa
Deal found 12/15$1,661
This Gotogate deal was found by Cheapflights users on 12/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:45 pmLGA - TRS
2 stops13h 15mMultiple Airlines
Sun 1/116:35 amTRS - LGA
2 stops21h 58mMultiple Airlines
Deal found 12/15$2,214

Find flight deals from Pennsylvania to Trieste

Keep the following information in mind while searching for Pennsylvania to Trieste flight deals. Data was last updated December 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$456
(Mytrip)

One-way from

$263
(Kiwi.com)
Provider with most accurate pricing for Philadelphia-Trieste Ronchi dei Legionari flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Trieste Ronchi dei Legionari flights.
Search Deals
From Pennsylvania to Trieste Ronchi dei Legionari
Search Deals
One-way flight from Pennsylvania to Trieste Ronchi dei Legionari
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania 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 17, 2025.
Use the filters below to find and compare flights from Pennsylvania to Trieste that are best for you.

Fly from

Pennsylvania

Fly to

Trieste

Route

Depart

Return

Price

New YorkTrieste

JFK - TRS

JFKTRS

New York John F Kennedy Intl

Sun 1/18

4:45 pm-10:50 pm

2 stops24h 05m

Trieste Ronchi dei Legionari

Mon 1/26

6:15 pm-2:15 pm

2 stops26h 00m

$456

New YorkTrieste

JFK - TRS

JFKTRS

New York John F Kennedy Intl

Sun 1/18

9:15 pm-10:55 pm

1 stop19h 40m

Trieste Ronchi dei Legionari

Mon 1/26

11:15 am-2:15 pm

1 stop33h 00m

$507

New YorkTrieste

JFK - TRS

JFKTRS

New York John F Kennedy Intl

Thu 1/29

4:45 pm-6:30 pm

1 stop19h 45m

Trieste Ronchi dei Legionari

Thu 2/5

6:35 am-2:15 pm

1 stop13h 40m

$539

New YorkTrieste

JFK - TRS

JFKTRS

New York John F Kennedy Intl

Mon 2/9

9:00 pm-6:30 pm

2 stops15h 30m

Trieste Ronchi dei Legionari

Mon 2/23

2:40 pm-4:09 pm

2 stops31h 29m

$552

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

New YorkTrieste

JFK - TRS

JFKTRS

New York John F Kennedy Intl

Wed 2/4

9:15 pm-10:55 pm

1 stop19h 40m

Trieste Ronchi dei Legionari

Sun 2/8

7:15 pm-2:15 pm

1 stop25h 00m

$598

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

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Pennsylvania to Trieste

Have a flexible travel schedule? Discover the best time to fly to Trieste from Pennsylvania 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 Pennsylvania to Trieste

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

Currently, March is the cheapest month in which you can book a flight from Pennsylvania to Trieste (average of $453). Flying from Pennsylvania to Trieste in June is currently the most expensive (average of $956). 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.

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania 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 Pennsylvania?

    For a flight from Pennsylvania to Trieste, you will be flying into Ronchi dei Legionari. Trieste Ronchi dei Legionari (TRS) is just 18.2 mi from the center of the city.

  • How long is the flight from Pennsylvania to Trieste?

    A quick flight from Pennsylvania to Trieste can take about 19h 15m. ITA Airways provides one of the quickest options available for as low as $571. The distance from Pennsylvania to Trieste is about 4192 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Pennsylvania to Trieste?

    The most popular route from Pennsylvania to Trieste is New York John F Kennedy Intl - Trieste Ronchi dei Legionari. You may also consider New York LaGuardia - Trieste Ronchi dei Legionari or Newark - Trieste Ronchi dei Legionari.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Pennsylvania 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 Pennsylvania to Trieste?

    Currently, March is the cheapest month in which you can book a flight from Pennsylvania to Trieste (average of $453). Flying from Pennsylvania to Trieste in June is currently the most expensive (average of $956). 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 Pennsylvania 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
Boston to Vicenza flights
LaGuardia to Vicenza flights
Dulles Intl to Vicenza flights
Atlanta to Vicenza flights
Dallas/Fort Worth to Vicenza flights
Los Angeles to Vicenza flights
San Francisco to Vicenza flights
O'Hare Intl to Vicenza flights
Denver to Vicenza flights
Detroit to Vicenza flights
Baltimore to Vicenza flights
Reagan-National to Vicenza flights
Hobby to Vicenza flights
Miami to Vicenza flights
Seattle to Vicenza flights
Tampa to Vicenza flights
Minneapolis to Vicenza flights
Philadelphia to Vicenza flights
Orlando to Vicenza flights
Sky Harbor Intl to Vicenza flights
George Bush Intcntl to Vicenza flights
Midway to Vicenza flights
Indianapolis to Vicenza flights
Grand Rapids to Vicenza flights
Raleigh to Vicenza flights
Love Field to Vicenza flights
Portland to Vicenza flights
Austin to Vicenza flights
San Diego to Vicenza flights
Charlotte to Vicenza flights
Kansas City to Vicenza flights
Norfolk to Vicenza flights
Cleveland to Vicenza flights
Santa Ana to Vicenza flights
Salt Lake City to Vicenza flights
San Jose to Vicenza flights
Fort Lauderdale to Vicenza flights
Ontario to Vicenza flights
Hartford to Vicenza flights
Las Vegas to Vicenza flights
West Palm Beach to Vicenza flights
Nashville to Vicenza flights
Cincinnati to Vicenza flights
San Antonio to Vicenza flights
Jacksonville to Vicenza flights
New Orleans to Vicenza flights
John F Kennedy Intl to Trieste flights
Birmingham to Vicenza flights

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.