How does KAYAK find such low prices on flights from Pennsylvania to Trieste?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Pennsylvania to Trieste.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Pennsylvania to Trieste?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Trieste from Pennsylvania is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Pennsylvania to Trieste?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Trieste with an airline and back to Pennsylvania with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Pennsylvania to Trieste?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Trieste from Pennsylvania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$398 CHEAP FLIGHTS from Pennsylvania to Trieste

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Cheap Flights from Pennsylvania to Trieste

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Pennsylvania to Trieste

Sun, Feb 14 - 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 - 10:56 pmTRS Trieste Ronchi dei Legionari-PHL Philadelphia

37h 41m2 stops Rome Fiumicino Atlanta Hartsfield-Jackson

$891KLM

Sat, Feb 13 - 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

Sun, Feb 14 - Sat, Feb 20

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

Sat, Feb 13 - 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 6 - Sun, Feb 14

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 - Sat, Feb 13

9:15 am - 10:25 amPHL Philadelphia-TRS Trieste Ronchi dei Legionari

43h 10m2 stops Toronto Pearson Intl Rome Fiumicino

6:35 am - 4:21 pmTRS Trieste Ronchi dei Legionari-PHL Philadelphia

39h 46m2 stops Rome Fiumicino Toronto Pearson Intl

$1,141United Airlines

Sun, Feb 7 - Sun, Feb 14

6:40 pm - 10:55 pmPHL Philadelphia-TRS Trieste Ronchi dei Legionari

22h 15m1 stop Rome Fiumicino

6:35 am - 4:50 pmTRS Trieste Ronchi dei Legionari-PHL Philadelphia

16h 15m1 stop Rome Fiumicino

$1,148Multiple Airlines

Sun, Mar 7 - Thu, Mar 11

11:39 am - 10:25 amPHL Philadelphia-TRS Trieste Ronchi dei Legionari

16h 46m2 stops Chicago O'Hare Intl Rome Fiumicino

6:35 am - 10:45 pmTRS Trieste Ronchi dei Legionari-PHL Philadelphia

22h 10m2 stops Rome Fiumicino Toronto Pearson Intl

$1,157United Airlines

Sun, Feb 14 - Sat, Feb 20

6:35 pm - 2:30 pmPHL Philadelphia-TRS Trieste Ronchi dei Legionari

13h 55m1 stop Rome Fiumicino

6:35 am - 4:50 pmTRS Trieste Ronchi dei Legionari-PHL Philadelphia

16h 15m1 stop Rome Fiumicino

$1,166Multiple Airlines

Sat, Feb 6 - Sat, Feb 13

6:40 pm - 2:30 pmPHL Philadelphia-TRS Trieste Ronchi dei Legionari

13h 50m1 stop Rome Fiumicino

3:15 pm - 4:50 pmTRS Trieste Ronchi dei Legionari-PHL Philadelphia

31h 35m1 stop Rome Fiumicino

$1,195Multiple Airlines

Useful Info

Cheapest flight	$398

Flight from Philadelphia to Trieste

How does KAYAK find such low prices on flights from Pennsylvania to Trieste?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Pennsylvania to Trieste.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Pennsylvania to Trieste?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Trieste from Pennsylvania is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Pennsylvania to Trieste?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Trieste with an airline and back to Pennsylvania with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Pennsylvania to Trieste?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Trieste from Pennsylvania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.