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.

$366 CHEAP FLIGHTS from Pennsylvania to Trieste

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Flight Deals

Cheap Flights from Pennsylvania to Trieste

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

Round-trip

One-way

Last minute

Recent round-trip flight deals from Pennsylvania to Trieste

Sat, Nov 14 - Tue, Nov 24

6:05 pm - 2:05 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

14h 00m1 stop London Gatwick

10:15 am - 3:55 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

35h 40m2 stops Tirana Rinas Rome Fiumicino

$625Multiple Airlines

Sat, Nov 14 - Thu, Nov 26

6:05 pm - 2:05 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

14h 00m1 stop London Gatwick

8:20 pm - 3:55 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

25h 35m1 stop London Stansted

$669Multiple Airlines

Sun, Nov 15 - Tue, Nov 24

5:00 pm - 10:15 amJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

11h 15m1 stop Dublin

10:15 am - 3:55 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

35h 40m2 stops Tirana Rinas Rome Fiumicino

$690Multiple Airlines

Sun, Nov 15 - Wed, Nov 25

6:05 pm - 10:25 amJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

10h 20m1 stop Rome Fiumicino

6:35 am - 3:55 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

15h 20m1 stop Rome Fiumicino

$692Multiple Airlines

Sat, Nov 14 - Fri, Nov 27

6:05 pm - 2:05 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

14h 00m1 stop London Gatwick

5:05 pm - 3:55 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

28h 50m2 stops Luqa Malta Intl Rome Fiumicino

$696Multiple Airlines

Sat, Nov 14 - Thu, Nov 26

6:05 pm - 2:05 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

14h 00m1 stop London Gatwick

8:40 am - 10:00 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

19h 20m2 stops Palermo Punta Raisi Barcelona-El Prat

$716Multiple Airlines

Fri, Nov 13 - Wed, Nov 25

6:05 pm - 10:25 amJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

10h 20m1 stop Rome Fiumicino

6:35 am - 3:55 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

15h 20m1 stop Rome Fiumicino

$717Multiple Airlines

Mon, Oct 26 - Fri, Nov 6

5:40 pm - 10:55 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

24h 15m1 stop Rome Fiumicino

11:15 am - 6:55 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

13h 40m1 stop Rome Fiumicino

$737ITA Airways

Sat, Nov 14 - Sun, Nov 29

6:05 pm - 2:05 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

14h 00m1 stop London Gatwick

5:30 pm - 1:25 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

25h 55m2 stops Luqa Malta Intl Bucharest Otopeni Intl

$739Multiple Airlines

Thu, Oct 29 - Thu, Nov 5

5:40 pm - 10:55 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

24h 15m1 stop Rome Fiumicino

3:15 pm - 2:15 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

29h 00m1 stop Rome Fiumicino

$753ITA Airways

Recent last minute flight deals from Pennsylvania to Trieste

Fri, Sep 11 - Sat, Sep 19

6:20 pm - 3:50 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

39h 30m2 stops London Gatwick Valencia

6:35 am - 1:55 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

13h 20m1 stop Rome Fiumicino

$821Multiple Airlines

Fri, Sep 11 - Sat, Sep 19

6:20 pm - 11:45 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

23h 25m1 stop London Gatwick

6:35 am - 1:55 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

13h 20m1 stop Rome Fiumicino

$881Multiple Airlines

Fri, Sep 11 - Sat, Sep 19

4:55 pm - 11:45 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

24h 50m2 stops Dublin London Heathrow

1:15 pm - 10:30 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

15h 15m2 stops Palermo Punta Raisi Rome Fiumicino

$1,062Multiple Airlines

Fri, Sep 11 - Sat, Sep 19

6:40 pm - 11:45 pmEWR Newark-TRS Trieste Ronchi dei Legionari

23h 05m2 stops Montreal Pierre Elliott Trudeau Intl London Heathrow

6:15 am - 9:00 pmTRS Trieste Ronchi dei Legionari-EWR Newark

20h 45m2 stops Frankfurt am Main Paris Charles de Gaulle

$1,155Multiple Airlines

Fri, Sep 11 - Sat, Sep 19

4:00 pm - 9:55 pmLGA New York LaGuardia-TRS Trieste Ronchi dei Legionari

23h 55m3 stops Toronto Pearson Intl London Heathrow Frankfurt am Main

6:15 am - 7:36 pmTRS Trieste Ronchi dei Legionari-LGA New York LaGuardia

19h 21m3 stops Frankfurt am Main London Heathrow Montreal Pierre Elliott Trudeau Intl

$1,209Multiple Airlines

Fri, Sep 11 - Sat, Sep 19

6:00 pm - 1:55 pmEWR Newark-TRS Trieste Ronchi dei Legionari

13h 55m1 stop Frankfurt am Main

6:15 am - 3:45 pmTRS Trieste Ronchi dei Legionari-EWR Newark

15h 30m1 stop Frankfurt am Main

$2,031Lufthansa

Fri, Sep 11 - Sat, Sep 19

8:30 pm - 9:55 pmEWR Newark-TRS Trieste Ronchi dei Legionari

19h 25m2 stops Munich Franz Josef Strauss Frankfurt am Main

6:15 am - 3:45 pmTRS Trieste Ronchi dei Legionari-EWR Newark

15h 30m1 stop Frankfurt am Main

$2,173Lufthansa

Fri, Sep 11 - Sat, Sep 19

6:30 pm - 2:30 pmJFK New York John F Kennedy Intl-TRS Trieste Ronchi dei Legionari

38h 00m3 stops Boston Logan Intl Lisbon Humberto Delgado Rome Fiumicino

6:35 am - 8:05 pmTRS Trieste Ronchi dei Legionari-JFK New York John F Kennedy Intl

19h 30m2 stops Rome Fiumicino Lisbon Humberto Delgado

$2,321TAP AIR PORTUGAL

Fri, Sep 11 - Sat, Sep 19

7:00 am - 6:30 pmEWR Newark-TRS Trieste Ronchi dei Legionari

29h 30m3 stops Miami Lisbon Humberto Delgado Rome Fiumicino

6:35 am - 9:00 pmTRS Trieste Ronchi dei Legionari-EWR Newark

20h 25m2 stops Rome Fiumicino Lisbon Humberto Delgado

$2,695TAP AIR PORTUGAL

Fri, Sep 11 - Sat, Sep 19

7:00 am - 6:30 pmEWR Newark-TRS Trieste Ronchi dei Legionari

29h 30m3 stops Boston Logan Intl Lisbon Humberto Delgado Rome Fiumicino

3:15 pm - 7:15 pmTRS Trieste Ronchi dei Legionari-EWR Newark

34h 00m3 stops Rome Fiumicino Lisbon Humberto Delgado Washington, D.C. Dulles Intl

$3,332TAP AIR PORTUGAL

Useful Info

Cheapest flight	$366

Flight from Washington, D.C. 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.