How long does it take to fly to Trieste?

Average flight duration from Pennsylvania to Trieste depends on which airport you fly into and out of. Flying from Philadelphia to Venice Marco Polo Airport is 8h 20m on average, while flying from Pittsburgh to Venice Marco Polo Airport is 10h 21m on average. Venice Marco Polo Airport is the most popular airport in Trieste.

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

Prices for flights from Pennsylvania to Trieste Ronchi dei Legionari Airport refresh daily.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pennsylvania 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.

$398 Cheap Flights from Pennsylvania to Trieste in 2026/27

Find the cheapest flights from Pennsylvania to Trieste

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:30 am - 2:30 pmPHL Philadelphia-TRS Trieste Ronchi dei Legionari

27h 00m2 stops Atlanta Hartsfield-Jackson Rome Fiumicino

3:15 pm - 10:56 pmTRS Trieste Ronchi dei Legionari-PHL Philadelphia

37h 41m2 stops Rome Fiumicino Atlanta Hartsfield-Jackson

$891KLM

Sun, Feb 14 - Sun, Feb 21

8:00 am - 2:30 pmPHL Philadelphia-TRS Trieste Ronchi dei Legionari

24h 30m2 stops Atlanta Hartsfield-Jackson Rome Fiumicino

3:15 pm - 10:42 pmTRS Trieste Ronchi dei Legionari-PHL Philadelphia

37h 27m2 stops Rome Fiumicino Boston Logan Intl

$898KLM

Sat, Feb 13 - Sun, Feb 21

5:30 am - 2:30 pmPHL Philadelphia-TRS Trieste Ronchi dei Legionari

27h 00m2 stops Atlanta Hartsfield-Jackson Rome Fiumicino

3:15 pm - 5:33 pmTRS Trieste Ronchi dei Legionari-PHL Philadelphia

56h 18m2 stops Rome Fiumicino Atlanta Hartsfield-Jackson

$1,022KLM

Sun, Feb 14 - Sat, Feb 20

8:00 am - 2:30 pmPHL Philadelphia-TRS Trieste Ronchi dei Legionari

24h 30m2 stops Atlanta Hartsfield-Jackson Rome Fiumicino

3:15 pm - 5:33 pmTRS Trieste Ronchi dei Legionari-PHL Philadelphia

56h 18m2 stops Rome Fiumicino Atlanta Hartsfield-Jackson

$1,031KLM

Sat, Feb 13 - Sat, Feb 20

5:35 pm - 1:45 pmPHL Philadelphia-TRS Trieste Ronchi dei Legionari

14h 10m1 stop Frankfurt am Main

6:20 am - 4:00 pmTRS Trieste Ronchi dei Legionari-PHL Philadelphia

15h 40m1 stop Frankfurt am Main

$1,067Lufthansa

Wed, May 5 - Wed, May 26

5:35 pm - 1:45 pmPHL Philadelphia-TRS Trieste Ronchi dei Legionari

14h 10m1 stop Frankfurt am Main

2:30 pm - 4:00 pmTRS Trieste Ronchi dei Legionari-PHL Philadelphia

31h 30m1 stop Frankfurt am Main

$1,100Lufthansa

Wed, May 5 - Mon, May 24

9:15 am - 2:30 pmPHL Philadelphia-TRS Trieste Ronchi dei Legionari

23h 15m2 stops Toronto Pearson Intl Rome Fiumicino

6:35 am - 2:44 pmTRS Trieste Ronchi dei Legionari-PHL Philadelphia

38h 09m2 stops Rome Fiumicino Montreal Pierre Elliott Trudeau Intl

$1,106Multiple Airlines

Sat, Feb 6 - Sun, Feb 14

5:35 pm - 1:45 pmPHL Philadelphia-TRS Trieste Ronchi dei Legionari

14h 10m1 stop Frankfurt am Main

6:20 am - 4:00 pmTRS Trieste Ronchi dei Legionari-PHL Philadelphia

15h 40m1 stop Frankfurt am Main

$1,127Lufthansa

Thu, May 6 - Wed, May 26

5:35 pm - 1:45 pmPHL Philadelphia-TRS Trieste Ronchi dei Legionari

14h 10m1 stop Frankfurt am Main

6:20 am - 9:26 pmTRS Trieste Ronchi dei Legionari-PHL Philadelphia

21h 06m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

$1,129Lufthansa

Wed, May 5 - Sat, May 22

3:20 pm - 1:45 pmPHL Philadelphia-TRS Trieste Ronchi dei Legionari

16h 25m2 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main

6:20 am - 4:00 pmTRS Trieste Ronchi dei Legionari-PHL Philadelphia

15h 40m1 stop Frankfurt am Main

$1,130Lufthansa

Sat, May 8 - Fri, May 21

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United Airlines flights from Pennsylvania to Trieste

Our best United Airlines deals on Pennsylvania to Trieste flight tickets

United Airlines

Feb 6

PHL9:15 amPhiladelphia

43h 10m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

Feb 13

TRS6:35 amTrieste Ronchi dei Legionari

39h 46m

2 stops

PHL4:21 pmPhiladelphia

$1,141

United Airlines

Mar 7

PHL11:39 amPhiladelphia

16h 46m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

Mar 11

TRS6:35 amTrieste Ronchi dei Legionari

22h 10m

2 stops

PHL10:45 pmPhiladelphia

$1,157

United Airlines

Mar 7

PHL11:39 amPhiladelphia

16h 46m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

Mar 11

TRS6:35 amTrieste Ronchi dei Legionari

22h 10m

2 stops

PHL10:45 pmPhiladelphia

$1,158

KLM flights from Pennsylvania to Trieste

Our best KLM deals on Pennsylvania to Trieste flight tickets

KLM

Feb 14

PHL5:30 amPhiladelphia

27h 00m

2 stops

TRS2:30 pmTrieste Ronchi dei Legionari

Feb 21

TRS3:15 pmTrieste Ronchi dei Legionari

37h 41m

2 stops

PHL10:56 pmPhiladelphia

$891

KLM

Feb 13

PHL8:00 amPhiladelphia

24h 30m

2 stops

TRS2:30 pmTrieste Ronchi dei Legionari

Feb 21

TRS3:15 pmTrieste Ronchi dei Legionari

37h 27m

2 stops

PHL10:42 pmPhiladelphia

$898

KLM

Feb 14

PHL5:30 amPhiladelphia

27h 00m

2 stops

TRS2:30 pmTrieste Ronchi dei Legionari

Feb 20

TRS3:15 pmTrieste Ronchi dei Legionari

56h 18m

2 stops

PHL5:33 pmPhiladelphia

$1,022

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaTrieste

PHL Philadelphia - TRS Trieste Ronchi dei Legionari

PHLTRS

Philadelphia

Sun 2/14

5:30 am-2:30 pm

2 stops27h 00m

Trieste Ronchi dei Legionari

Sun 2/21

3:15 pm-10:56 pm

2 stops37h 41m

$891

PhiladelphiaTrieste

PHL Philadelphia - TRS Trieste Ronchi dei Legionari

PHLTRS

Philadelphia

Sat 2/13

8:00 am-2:30 pm

2 stops24h 30m

Trieste Ronchi dei Legionari

Sun 2/21

3:15 pm-10:42 pm

2 stops37h 27m

$898

PhiladelphiaTrieste

PHL Philadelphia - TRS Trieste Ronchi dei Legionari

PHLTRS

Philadelphia

Sun 2/14

5:30 am-2:30 pm

2 stops27h 00m

Trieste Ronchi dei Legionari

Sat 2/20

3:15 pm-5:33 pm

2 stops56h 18m

$1,022

PhiladelphiaTrieste

PHL Philadelphia - TRS Trieste Ronchi dei Legionari

PHLTRS

Philadelphia

Sat 2/13

8:00 am-2:30 pm

2 stops24h 30m

Trieste Ronchi dei Legionari

Sat 2/20

3:15 pm-5:33 pm

2 stops56h 18m

$1,031

Quickest round-trip

PhiladelphiaTrieste

PHL Philadelphia - TRS Trieste Ronchi dei Legionari

PHLTRS

Philadelphia

Wed 5/5

5:35 pm-1:45 pm

1 stop14h 10m

Trieste Ronchi dei Legionari

Wed 5/26

6:20 am-4:00 pm

1 stop15h 40m

$1,067

PhiladelphiaTrieste

PHL Philadelphia - TRS Trieste Ronchi dei Legionari

PHLTRS

Philadelphia

Wed 5/5

5:35 pm-1:45 pm

1 stop14h 10m

Trieste Ronchi dei Legionari

Mon 5/24

2:30 pm-4:00 pm

1 stop31h 30m

$1,100

PhiladelphiaTrieste

PHL Philadelphia - TRS Trieste Ronchi dei Legionari

PHLTRS

Philadelphia

Sat 2/6

9:15 am-2:30 pm

2 stops23h 15m

Trieste Ronchi dei Legionari

Sun 2/14

6:35 am-2:44 pm

2 stops38h 09m

$1,106

PhiladelphiaTrieste

PHL Philadelphia - TRS Trieste Ronchi dei Legionari

PHLTRS

Philadelphia

Thu 5/6

5:35 pm-1:45 pm

1 stop14h 10m

Trieste Ronchi dei Legionari

Wed 5/26

6:20 am-4:00 pm

1 stop15h 40m

$1,127

PhiladelphiaTrieste

PHL Philadelphia - TRS Trieste Ronchi dei Legionari

PHLTRS

Philadelphia

Wed 5/5

5:35 pm-1:45 pm

1 stop14h 10m

Trieste Ronchi dei Legionari

Sat 5/22

6:20 am-9:26 pm

2 stops21h 06m

$1,129

PhiladelphiaTrieste

PHL Philadelphia - TRS Trieste Ronchi dei Legionari

PHLTRS

Philadelphia

Sat 5/8

3:20 pm-1:45 pm

2 stops16h 25m

Trieste Ronchi dei Legionari

Fri 5/21

6:20 am-4:00 pm

1 stop15h 40m

$1,130

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Pennsylvania 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

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Other information

What airlines fly to Trieste?

American Airlines, British Airways and Iberia are the top three most popular airlines that fly to Trieste from Pennsylvania according to our data. American Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 5 different airlines that fly to Trieste on a routine basis, so you have a few additional options to choose from.

Cheap Pennsylvania to Trieste flight deals and tips

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

Best Price Found	$398
Fastest flight time	10h 45m
Direct flights	None

The best one-way flight to Trieste from Pennsylvania in the past 72 hours is $398. The best round-trip flight deal from Pennsylvania to Trieste found on momondo in the last 72 hours is $891.

The fastest flight from Pennsylvania to Trieste takes 10h 45m

There are no direct flights from Pennsylvania to Trieste. There are no popular flight routes from Pennsylvania to Trieste.

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Frequently asked questions about flying from Pennsylvania to Trieste

When did momondo last update prices for flights from Pennsylvania to Trieste Ronchi dei Legionari Airport?
Prices for flights from Pennsylvania to Trieste Ronchi dei Legionari Airport refresh daily.
How old do you have to be to fly from Pennsylvania to Trieste Ronchi dei Legionari Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pennsylvania 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.

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Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Pennsylvania to Trieste for you.

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

Yes. All flights to Trieste from Pennsylvania on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Pennsylvania to Trieste?

Once all potential Pennsylvania to Trieste flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Pennsylvania to Trieste right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Trieste, momondo offers a useful price alert feature which will track prices for flights to Trieste from Pennsylvania and alert you when they change.

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Cheap flights from Pennsylvania to Trieste from $398

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to Trieste departing on 2/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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An easier way to manage your Trieste trip

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List of cabin classes available on flights landing in Trieste. Availability may vary depending on flight origin and airline.

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