Trieste

$435+ 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — TRS
Mar 6 — Mar 131
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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 February 4, 2026.

This Mytrip deal was found by Cheapflights users on 2/1. 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.
Thu 2/264:20 pm
LGA
-
TRS
2 stops21h 35m
Multiple Airlines
Sun 3/19:05 pm
TRS
-
LGA
2 stops24h 33m
Multiple Airlines
Deal found 2/1$436
This Mytrip deal was found by Cheapflights users on 2/1. 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.
Thu 2/264:50 pm
JFK
-
TRS
2 stops21h 05m
Multiple Airlines
Sun 3/19:05 pm
TRS
-
JFK
3 stops29h 53m
Multiple Airlines
Deal found 2/1$439
This oojo deal was found by Cheapflights users on 2/1. 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 2/264:45 pm
JFK
-
TRS
1 stop19h 45m
ITA Airways
Sun 3/13:15 pm
TRS
-
JFK
1 stop33h 40m
ITA Airways
Deal found 2/1$490
This Mytrip deal was found by Cheapflights users on 2/2. 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 2/89:15 pm
JFK
-
TRS
1 stop31h 10m
ITA Airways
Mon 2/167:15 pm
TRS
-
JFK
1 stop29h 40m
ITA Airways
Deal found 2/2$503
This oojo deal was found by Cheapflights users on 2/2. 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.
Tue 2/34:45 pm
JFK
-
TRS
1 stop24h 10m
ITA Airways
Tue 2/1011:15 am
TRS
-
JFK
1 stop13h 40m
ITA Airways
Deal found 2/2$515
This Mytrip deal was found by Cheapflights users on 2/1. 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.
Thu 2/266:05 pm
EWR
-
TRS
3 stops22h 05m
Multiple Airlines
Sun 3/17:45 pm
TRS
-
EWR
2 stops24h 30m
Multiple Airlines
Deal found 2/1$544
This Mytrip deal was found by Cheapflights users on 2/2. 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.
Tue 2/35:40 pm
EWR
-
TRS
2 stops19h 10m
Multiple Airlines
Tue 2/107:15 pm
TRS
-
EWR
3 stops32h 55m
Multiple Airlines
Deal found 2/2$605
This oojo deal was found by Cheapflights users on 2/3. 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 3/155:45 pm
IAD
-
TRS
2 stops22h 25m
ITA Airways
Fri 4/106:35 am
TRS
-
IAD
1 stop13h 55m
ITA Airways
Deal found 2/3$661
This TAP AIR PORTUGAL deal was found by Cheapflights users on 2/3. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:00 pm
EWR
-
TRS
2 stops17h 55m
TAP AIR PORTUGAL
Fri 10/2311:15 am
TRS
-
EWR
2 stops15h 45m
TAP AIR PORTUGAL
Deal found 2/3$684
This TAP AIR PORTUGAL deal was found by Cheapflights users on 2/1. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:30 pm
EWR
-
TRS
2 stops19h 00m
TAP AIR PORTUGAL
Mon 5/43:15 pm
TRS
-
EWR
2 stops30h 15m
TAP AIR PORTUGAL
Deal found 2/1$686
This oojo deal was found by Cheapflights users on 2/4. 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 3/225:45 pm
IAD
-
TRS
2 stops22h 25m
ITA Airways
Sun 3/296:35 am
TRS
-
IAD
1 stop13h 55m
ITA Airways
Deal found 2/4$706
This Travelocity deal was found by Cheapflights users on 2/4. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/69:15 am
PHL
-
TRS
2 stops31h 10m
Multiple Airlines
Thu 4/166:00 am
TRS
-
PHL
2 stops14h 46m
Multiple Airlines
Deal found 2/4$714

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 February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$436
(Mytrip)

One-way from

$345
(Kiwi.com)
Provider with most accurate pricing for Philadelphia-Trieste Ronchi dei Legionari flight deals.
Provider most trusted by Cheapflights users for Philadelphia-Trieste Ronchi dei Legionari flights.
From Pennsylvania to Trieste Ronchi dei Legionari
One-way flight from Pennsylvania to Trieste Ronchi dei Legionari

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 February 4, 2026.
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

LGA - TRS

LGATRS

New York LaGuardia

Thu 2/26

4:20 pm-7:55 pm

2 stops21h 35m

Trieste Ronchi dei Legionari

Sun 3/1

9:05 pm-3:38 pm

2 stops24h 33m

$436

New YorkTrieste

JFK - TRS

JFKTRS

New York John F Kennedy Intl

Thu 2/26

4:45 pm-9:10 pm

2 stops22h 25m

Trieste Ronchi dei Legionari

Sun 3/1

7:15 pm-6:55 pm

1 stop29h 40m

$500

NewarkTrieste

EWR - TRS

EWRTRS

Newark

Thu 2/26

8:50 pm-10:10 pm

2 stops19h 20m

Trieste Ronchi dei Legionari

Sun 3/1

7:45 pm-2:15 pm

2 stops24h 30m

$585

New YorkTrieste

JFK - TRS

JFKTRS

New York John F Kennedy Intl

Thu 2/19

5:30 pm-7:55 pm

3 stops20h 25m

Trieste Ronchi dei Legionari

Sun 2/22

9:05 pm-4:09 pm

2 stops25h 04m

$603

New YorkTrieste

JFK - TRS

JFKTRS

New York John F Kennedy Intl

Thu 2/26

4:50 pm-10:30 pm

3 stops23h 40m

Trieste Ronchi dei Legionari

Sun 3/1

9:05 pm-8:58 pm

3 stops29h 53m

$628

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

Sun 3/15

5:45 pm-9:10 pm

2 stops22h 25m

Trieste Ronchi dei Legionari

Fri 4/10

6:35 am-2:30 pm

1 stop13h 55m

$661

NewarkTrieste

EWR - TRS

EWRTRS

Newark

Tue 4/21

5:30 pm-6:30 pm

2 stops19h 00m

Trieste Ronchi dei Legionari

Mon 5/4

3:15 pm-3:30 pm

2 stops30h 15m

$686

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

Sun 3/22

5:45 pm-9:10 pm

2 stops22h 25m

Trieste Ronchi dei Legionari

Sun 3/29

6:35 am-2:30 pm

1 stop13h 55m

$706

New YorkTrieste

JFK - TRS

JFKTRS

New York John F Kennedy Intl

Fri 4/24

4:55 pm-10:55 pm

3 stops24h 00m

Trieste Ronchi dei Legionari

Mon 6/15

9:30 am-11:55 am

2 stops32h 25m

$711

New YorkTrieste

JFK - TRS

JFKTRS

New York John F Kennedy Intl

Tue 4/21

9:10 pm-2:30 pm

1 stop11h 20m

Trieste Ronchi dei Legionari

Mon 5/4

6:35 am-1:20 pm

1 stop12h 45m

$735

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 60 results
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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 $462). 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 16h 05m. ITA Airways provides one of the quickest options available for as low as $793. 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?

  • 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 $462). 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

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