Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Pittsburgh to Trieste from $1,004

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Pittsburgh to Trieste departing on 9/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Pittsburgh to Trieste

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:30 pm - 1:55 pm
PIT
-
TRS
16h 25m
2 stops
Multiple Airlines Logo
6:10 am - 2:48 pm
TRS
-
PIT
14h 38m
2 stops
$1,004Multiple Airlines
Mon, Sep 21 - Fri, Sep 25
Multiple Airlines Logo
3:30 pm - 1:55 pm
PIT
-
TRS
16h 25m
2 stops
Multiple Airlines Logo
6:15 am - 2:48 pm
TRS
-
PIT
14h 33m
2 stops
$1,064Multiple Airlines
Mon, Sep 21 - Sat, Sep 26
United Airlines Logo
2:25 pm - 10:25 am
PIT
-
TRS
14h 00m
2 stops
United Airlines Logo
6:35 am - 8:34 pm
TRS
-
PIT
19h 59m
2 stops
$1,121United Airlines
Sun, Dec 6 - Wed, Dec 9
United Airlines Logo
2:25 pm - 10:25 am
PIT
-
TRS
14h 00m
2 stops
United Airlines Logo
6:35 am - 8:34 pm
TRS
-
PIT
19h 59m
2 stops
$1,122United Airlines
Sun, Dec 6 - Wed, Dec 9
United Airlines Logo
7:59 pm - 10:25 am
PIT
-
TRS
32h 26m
2 stops
United Airlines Logo
6:35 am - 10:30 pm
TRS
-
PIT
21h 55m
2 stops
$1,224United Airlines
Sun, Aug 2 - Thu, Aug 13
United Airlines Logo
7:17 pm - 10:25 am
PIT
-
TRS
57h 08m
2 stops
United Airlines Logo
6:35 am - 12:10 am
TRS
-
PIT
23h 35m
2 stops
$1,231United Airlines
Sat, Aug 1 - Thu, Aug 13
United Airlines Logo
6:10 am - 10:25 am
PIT
-
TRS
22h 15m
2 stops
United Airlines Logo
6:35 am - 2:53 pm
TRS
-
PIT
38h 18m
2 stops
$1,264United Airlines
Wed, Sep 9 - Wed, Sep 30
United Airlines Logo
3:20 pm - 10:25 am
PIT
-
TRS
13h 05m
2 stops
United Airlines Logo
6:35 am - 2:53 pm
TRS
-
PIT
38h 18m
2 stops
$1,265United Airlines
Wed, Sep 9 - Wed, Sep 30
United Airlines Logo
10:25 am - 10:25 am
PIT
-
TRS
18h 00m
2 stops
United Airlines Logo
6:35 am - 6:52 pm
TRS
-
PIT
18h 17m
2 stops
$1,271United Airlines
Wed, Sep 9 - Wed, Sep 30
United Airlines Logo
3:06 pm - 10:25 am
PIT
-
TRS
13h 19m
2 stops
United Airlines Logo
6:35 am - 6:30 pm
TRS
-
PIT
17h 55m
2 stops
$1,274United Airlines
Thu, Jul 30 - Fri, Aug 14

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

United Airlines flights from Pittsburgh to Trieste

Our best United Airlines deals on Pittsburgh to Trieste flight tickets
United Airlines
Dec 6
PIT2:25 pmPittsburgh
14h 00m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Dec 9
TRS6:35 amTrieste Ronchi dei Legionari
19h 59m
2 stops
PIT8:34 pmPittsburgh
$1,121
United Airlines
Dec 6
PIT2:25 pmPittsburgh
14h 00m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Dec 9
TRS6:35 amTrieste Ronchi dei Legionari
19h 59m
2 stops
PIT8:34 pmPittsburgh
$1,122
United Airlines
Aug 2
PIT7:59 pmPittsburgh
32h 26m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Aug 13
TRS6:35 amTrieste Ronchi dei Legionari
21h 55m
2 stops
PIT10:30 pmPittsburgh
$1,224

momondo Fare Finder

 
Customize your flight search to find flights from Pittsburgh 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, momondo users made 832,500 searches. Data last updated June 24, 2026.
Use the filters below to find and compare flights from Pittsburgh to Trieste that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PittsburghTrieste

PIT - TRS

PITTRS

Pittsburgh

Mon 9/21

3:30 pm-1:55 pm

2 stops16h 25m

Trieste Ronchi dei Legionari

Fri 9/25

6:10 am-2:48 pm

2 stops14h 38m

$1,004
Quickest round-trip

PittsburghTrieste

PIT - TRS

PITTRS

Pittsburgh

Mon 9/21

3:30 pm-1:55 pm

2 stops16h 25m

Trieste Ronchi dei Legionari

Sat 9/26

6:15 am-2:48 pm

2 stops14h 33m

$1,064

PittsburghTrieste

PIT - TRS

PITTRS

Pittsburgh

Sun 12/6

2:25 pm-10:25 am

2 stops14h 00m

Trieste Ronchi dei Legionari

Wed 12/9

6:35 am-8:34 pm

2 stops19h 59m

$1,121

PittsburghTrieste

PIT - TRS

PITTRS

Pittsburgh

Sun 12/6

2:25 pm-10:25 am

2 stops14h 00m

Trieste Ronchi dei Legionari

Wed 12/9

6:35 am-8:34 pm

2 stops19h 59m

$1,122

PittsburghTrieste

PIT - TRS

PITTRS

Pittsburgh

Sun 8/2

7:59 pm-10:25 am

2 stops32h 26m

Trieste Ronchi dei Legionari

Thu 8/13

6:35 am-10:30 pm

2 stops21h 55m

$1,224

PittsburghTrieste

PIT - TRS

PITTRS

Pittsburgh

Sat 8/1

7:17 pm-10:25 am

2 stops57h 08m

Trieste Ronchi dei Legionari

Thu 8/13

6:35 am-12:10 am

2 stops23h 35m

$1,231

PittsburghTrieste

PIT - TRS

PITTRS

Pittsburgh

Wed 9/9

6:10 am-10:25 am

2 stops22h 15m

Trieste Ronchi dei Legionari

Wed 9/30

6:35 am-2:53 pm

2 stops38h 18m

$1,264

PittsburghTrieste

PIT - TRS

PITTRS

Pittsburgh

Wed 9/9

3:20 pm-10:25 am

2 stops13h 05m

Trieste Ronchi dei Legionari

Wed 9/30

6:35 am-2:53 pm

2 stops38h 18m

$1,265

PittsburghTrieste

PIT - TRS

PITTRS

Pittsburgh

Wed 9/9

10:25 am-10:25 am

2 stops18h 00m

Trieste Ronchi dei Legionari

Wed 9/30

6:35 am-6:52 pm

2 stops18h 17m

$1,271

PittsburghTrieste

PIT - TRS

PITTRS

Pittsburgh

Thu 7/30

3:06 pm-10:25 am

2 stops13h 19m

Trieste Ronchi dei Legionari

Fri 8/14

6:35 am-6:30 pm

2 stops17h 55m

$1,274

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Trieste from

How to get the cheapest flight ticket from Pittsburgh 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

What airlines fly to Trieste?

British Airways, United Airlines and Delta are the top three most popular airlines that fly to Trieste from Pittsburgh according to our data. British Airways is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 4 different airlines that fly to Trieste on a routine basis, so you have a few additional options to choose from.

When to book flights from Pittsburgh to Trieste

Are you open to changing your travel dates? Check out the ideal times to fly from Pittsburgh to Trieste according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Pittsburgh to Trieste (PIT to TRS) flight deals and tips

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

Fastest flight time

13h 05m

Direct flights

None
The fastest flight from Pittsburgh to Trieste takes 13h 05m
There are no direct flights from Pittsburgh to Trieste. There are no popular flight routes from Pittsburgh to Trieste.
Search flight deals

Frequently asked questions about flying from Pittsburgh to Trieste

  • How far is Pittsburgh to Trieste Ronchi dei Legionari by plane?

    Pittsburgh and Trieste Ronchi dei Legionari are 4460.5 mi apart from one another. Flights usually cover this in 13h 05m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Pittsburgh Airport to Trieste Ronchi dei Legionari Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Pittsburgh Airport 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 Pittsburgh Airport to Trieste Ronchi dei Legionari Airport.

  • What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?

    The required travel and health documents for your Trieste Ronchi dei Legionari Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Trieste Ronchi dei Legionari Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Trieste?

Book flights to Trieste if you plan to visit one of these locations
Udine
Grado

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Pittsburgh to Trieste. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Pittsburgh to Trieste flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Pittsburgh and Trieste by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Pittsburgh 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 Pittsburgh and alert you when they change.

An easier way to manage your Trieste trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 7/24
Fri 7/31
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Italy

Fly your favorite airline to Trieste

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
British Airways
United Airlines
Delta
KLM