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.

$560 CHEAP FLIGHTS from Pennsylvania to Trieste

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Cheap Flights from Pennsylvania to Trieste

Cheap flights from Pennsylvania to Trieste with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Round-trip

One-way

Last minute

Sun, Nov 15 - Sun, Nov 22

10:32 am - 2:30 pmPHL Philadelphia-TRS Trieste Ronchi dei Legionari

21h 58m2 stops Atlanta Hartsfield-Jackson Rome Fiumicino

6:35 am - 11:40 pmTRS Trieste Ronchi dei Legionari-PHL Philadelphia

23h 05m2 stops Rome Fiumicino Minneapolis St Paul

$947KLM

Sun, Nov 29 - Sun, Dec 6

12:08 pm - 2:30 pmPHL Philadelphia-TRS Trieste Ronchi dei Legionari

20h 22m2 stops Atlanta Hartsfield-Jackson Rome Fiumicino

6:35 am - 11:54 pmTRS Trieste Ronchi dei Legionari-PHL Philadelphia

23h 19m2 stops Rome Fiumicino Minneapolis St Paul

$1,050KLM

Sun, Nov 29 - Sun, Dec 6

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

13h 50m1 stop Rome Fiumicino

6:35 am - 5:00 pmTRS Trieste Ronchi dei Legionari-PHL Philadelphia

16h 25m1 stop Rome Fiumicino

$1,192Multiple Airlines

Sun, Nov 15 - Sun, Nov 22

5:40 pm - 10:15 amPHL Philadelphia-TRS Trieste Ronchi dei Legionari

10h 35m1 stop Dublin

11:15 am - 4:10 pmTRS Trieste Ronchi dei Legionari-PHL Philadelphia

34h 55m2 stops Rome Fiumicino Dublin

$1,325Multiple Airlines

Sun, Nov 29 - Sun, Dec 6

5:40 pm - 10:55 pmPHL Philadelphia-TRS Trieste Ronchi dei Legionari

23h 15m3 stops Dublin Amsterdam Schiphol Rome Fiumicino

11:15 am - 4:10 pmTRS Trieste Ronchi dei Legionari-PHL Philadelphia

34h 55m3 stops Rome Fiumicino London Heathrow Dublin

$1,343Multiple Airlines

Sun, Nov 15 - Sun, Nov 22

5:40 pm - 10:55 pmPHL Philadelphia-TRS Trieste Ronchi dei Legionari

23h 15m3 stops Dublin Zurich Rome Fiumicino

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

30h 09m3 stops Rome Fiumicino Miami San Juan Luis Munoz Marin Intl

$1,392Multiple Airlines

Sun, Nov 29 - Sun, Dec 6

5:40 pm - 8:05 pmPHL Philadelphia-TRS Trieste Ronchi dei Legionari

20h 25m2 stops Frankfurt am Main Milan Linate

11:15 am - 4:10 pmTRS Trieste Ronchi dei Legionari-PHL Philadelphia

34h 55m3 stops Rome Fiumicino London Heathrow Dublin

$1,394Multiple Airlines

Tue, Dec 8 - Fri, Dec 11

9:45 am - 10:25 amPHL Philadelphia-TRS Trieste Ronchi dei Legionari

18h 40m2 stops Chicago O'Hare 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

$1,443United Airlines

Sun, Dec 27 - Tue, Jan 5

9:29 am - 10:25 amPHL Philadelphia-TRS Trieste Ronchi dei Legionari

18h 56m2 stops Boston Logan Intl Rome Fiumicino

7:15 pm - 8:09 pmTRS Trieste Ronchi dei Legionari-PHL Philadelphia

30h 54m2 stops Rome Fiumicino Boston Logan Intl

$1,474Multiple Airlines

Sun, Nov 15 - Sun, Nov 22

3:20 pm - 6:30 pmPHL Philadelphia-TRS Trieste Ronchi dei Legionari

21h 10m3 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main Rome Fiumicino

6:35 am - 4:05 pmTRS Trieste Ronchi dei Legionari-PHL Philadelphia

15h 30m2 stops Rome Fiumicino Frankfurt am Main

$1,572Multiple Airlines

Cheapest flight	$947

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.