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Cheap flights from Phoenix Sky Harbor Intl Airport to Trieste from $698

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Phoenix Sky Harbor Intl Airport to Trieste departing on 4/8. 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
0 bags

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Find the cheapest flights from Phoenix Sky Harbor Intl Airport to Trieste

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
12:00 pm - 2:00 pm
PHX
-
TRS
17h 00m
2 stops
Lufthansa Logo
6:00 am - 6:45 pm
TRS
-
PHX
21h 45m
2 stops
$698Lufthansa
Wed, Apr 8 - Sun, Apr 19
Lufthansa Logo
12:10 pm - 10:25 pm
PHX
-
TRS
25h 15m
2 stops
Lufthansa Logo
6:10 am - 7:55 pm
TRS
-
PHX
22h 45m
2 stops
$1,074Lufthansa
Wed, Jun 10 - Tue, Jul 21
United Airlines Logo
7:35 am - 10:25 am
PHX
-
TRS
17h 50m
2 stops
United Airlines Logo
6:35 am - 8:19 pm
TRS
-
PHX
22h 44m
3 stops
$1,707United Airlines
Wed, Apr 8 - Sun, Apr 19
United Airlines Logo
6:00 am - 10:25 am
PHX
-
TRS
19h 25m
3 stops
United Airlines Logo
6:35 am - 9:44 pm
TRS
-
PHX
24h 09m
2 stops
$1,802United Airlines
Wed, Jun 10 - Tue, Jul 21
United Airlines Logo
6:00 am - 10:25 am
PHX
-
TRS
19h 25m
3 stops
United Airlines Logo
6:35 am - 10:59 pm
TRS
-
PHX
25h 24m
3 stops
$1,893United Airlines
Wed, Jun 10 - Tue, Jul 21
United Airlines Logo
7:00 am - 10:25 am
PHX
-
TRS
19h 25m
2 stops
United Airlines Logo
6:35 am - 11:03 pm
TRS
-
PHX
24h 28m
2 stops
$2,569United Airlines
Fri, Feb 20 - Mon, Feb 23
Lufthansa Logo
12:00 pm - 2:00 pm
PHX
-
TRS
17h 00m
2 stops
Lufthansa Logo
6:35 am - 7:39 pm
TRS
-
PHX
22h 04m
2 stops
$4,891Lufthansa
Wed, Apr 29 - Sun, May 10

Lufthansa flights from Phoenix Sky Harbor Intl Airport to Trieste

Our best Lufthansa deals on Phoenix Sky Harbor Intl Airport to Trieste flight tickets
Lufthansa
Apr 8
PHX12:00 pmPhoenix Sky Harbor Intl
17h 00m
2 stops
TRS2:00 pmTrieste Ronchi dei Legionari
Apr 19
TRS6:00 amTrieste Ronchi dei Legionari
21h 45m
2 stops
PHX6:45 pmPhoenix Sky Harbor Intl
$698
Lufthansa
Jun 10
PHX12:10 pmPhoenix Sky Harbor Intl
25h 15m
2 stops
TRS10:25 pmTrieste Ronchi dei Legionari
Jul 21
TRS6:10 amTrieste Ronchi dei Legionari
22h 45m
2 stops
PHX7:55 pmPhoenix Sky Harbor Intl
$1,074
Lufthansa
Apr 29
PHX12:00 pmPhoenix Sky Harbor Intl
17h 00m
2 stops
TRS2:00 pmTrieste Ronchi dei Legionari
May 10
TRS6:35 amTrieste Ronchi dei Legionari
22h 04m
2 stops
PHX7:39 pmPhoenix Sky Harbor Intl
$4,891

United Airlines flights from Phoenix Sky Harbor Intl Airport to Trieste

Our best United Airlines deals on Phoenix Sky Harbor Intl Airport to Trieste flight tickets
United Airlines
Apr 8
PHX7:35 amPhoenix Sky Harbor Intl
17h 50m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Apr 19
TRS6:35 amTrieste Ronchi dei Legionari
22h 44m
3 stops
PHX8:19 pmPhoenix Sky Harbor Intl
$1,707
United Airlines
Jun 10
PHX6:00 amPhoenix Sky Harbor Intl
19h 25m
3 stops
TRS10:25 amTrieste Ronchi dei Legionari
Jul 21
TRS6:35 amTrieste Ronchi dei Legionari
24h 09m
2 stops
PHX9:44 pmPhoenix Sky Harbor Intl
$1,802
United Airlines
Jun 10
PHX6:00 amPhoenix Sky Harbor Intl
19h 25m
3 stops
TRS10:25 amTrieste Ronchi dei Legionari
Jul 21
TRS6:35 amTrieste Ronchi dei Legionari
25h 24m
3 stops
PHX10:59 pmPhoenix Sky Harbor Intl
$1,893

momondo Fare Finder

 
Customize your flight search to find flights from Phoenix Sky Harbor Intl Airport 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 January 19, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Trieste that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhoenixTrieste

PHX - TRS

PHXTRS

Phoenix Sky Harbor Intl

Wed 4/8

12:00 pm-2:00 pm

2 stops17h 00m

Trieste Ronchi dei Legionari

Sun 4/19

6:00 am-6:45 pm

2 stops21h 45m

$698

PhoenixTrieste

PHX - TRS

PHXTRS

Phoenix Sky Harbor Intl

Wed 6/10

12:10 pm-10:25 pm

2 stops25h 15m

Trieste Ronchi dei Legionari

Tue 7/21

6:10 am-7:55 pm

2 stops22h 45m

$1,074

PhoenixTrieste

PHX - TRS

PHXTRS

Phoenix Sky Harbor Intl

Wed 4/8

7:35 am-10:25 am

2 stops17h 50m

Trieste Ronchi dei Legionari

Sun 4/19

6:35 am-8:19 pm

3 stops22h 44m

$1,707

PhoenixTrieste

PHX - TRS

PHXTRS

Phoenix Sky Harbor Intl

Wed 6/10

6:00 am-10:25 am

3 stops19h 25m

Trieste Ronchi dei Legionari

Tue 7/21

6:35 am-9:44 pm

2 stops24h 09m

$1,802

PhoenixTrieste

PHX - TRS

PHXTRS

Phoenix Sky Harbor Intl

Wed 6/10

6:00 am-10:25 am

3 stops19h 25m

Trieste Ronchi dei Legionari

Tue 7/21

6:35 am-10:59 pm

3 stops25h 24m

$1,893

PhoenixTrieste

PHX - TRS

PHXTRS

Phoenix Sky Harbor Intl

Fri 2/20

7:00 am-10:25 am

2 stops19h 25m

Trieste Ronchi dei Legionari

Mon 2/23

6:35 am-11:03 pm

2 stops24h 28m

$2,569

PhoenixTrieste

PHX - TRS

PHXTRS

Phoenix Sky Harbor Intl

Wed 4/29

12:00 pm-2:00 pm

2 stops17h 00m

Trieste Ronchi dei Legionari

Sun 5/10

6:35 am-7:39 pm

2 stops22h 04m

$4,891

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 Phoenix Sky Harbor Intl Airport 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, American Airlines and United Airlines are the top three most popular airlines that fly to Trieste from Phoenix Sky Harbor Intl Airport according to our data. British Airways is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 6 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 Phoenix Sky Harbor Intl Airport to Trieste

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

Cheap Phoenix Sky Harbor Intl Airport to Trieste (PHX to TRS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix Sky Harbor Intl Airport to Trieste

Fastest flight time

17h 00m

Direct flights

None
The fastest flight from Phoenix Sky Harbor Intl Airport to Trieste takes 17h 00m
There are no direct flights from Phoenix Sky Harbor Intl Airport to Trieste. There are no popular flight routes from Phoenix Sky Harbor Intl Airport to Trieste.
Search flight deals

  • How far is Phoenix Sky Harbor Intl to Trieste Ronchi dei Legionari by plane?

    A flight from Phoenix Sky Harbor Intl to Trieste Ronchi dei Legionari will travel around 6004.1 mi. 17h 00m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Trieste Ronchi dei Legionari Airport?

    Prices for flights from Phoenix Sky Harbor Intl Airport to Trieste Ronchi dei Legionari Airport are updated daily.

  • How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Trieste Ronchi dei Legionari Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Phoenix Sky Harbor Intl 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 Phoenix to Trieste?

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

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

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

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

momondo provides multiple filters to help you find the best flight to Trieste from Phoenix. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Phoenix to Trieste flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Trieste trip

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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
American Airlines
United Airlines
Delta
Air France
Lufthansa