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Cheap flights from Phoenix Sky Harbor Intl Airport to Trieste from $1,090

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 9/11. 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 Phoenix Sky Harbor Intl Airport to Trieste

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:20 am - 9:55 pmPHX  Phoenix Sky Harbor Intl-TRS Trieste Ronchi dei Legionari
28h 35m2 stops Seattle/Tacoma Intl Frankfurt am Main
Multiple Airlines Logo
6:15 am - 10:00 pmTRS  Trieste Ronchi dei Legionari-PHX Phoenix Sky Harbor Intl
24h 45m2 stops Frankfurt am Main Las Vegas Harry Reid Intl
$1,090Multiple Airlines
Fri, Sep 11 - Thu, Sep 17
Lufthansa Logo
12:00 pm - 9:55 pmPHX  Phoenix Sky Harbor Intl-TRS Trieste Ronchi dei Legionari
24h 55m2 stops Toronto Pearson Intl Frankfurt am Main
Lufthansa Logo
6:10 am - 5:53 pmTRS  Trieste Ronchi dei Legionari-PHX Phoenix Sky Harbor Intl
20h 43m2 stops Frankfurt am Main Chicago O'Hare Intl
$1,119Lufthansa
Fri, Sep 11 - Fri, Sep 18
United Airlines Logo
9:15 am - 10:25 amPHX  Phoenix Sky Harbor Intl-TRS Trieste Ronchi dei Legionari
17h 10m2 stops Newark Rome Fiumicino
United Airlines Logo
6:35 am - 10:36 pmTRS  Trieste Ronchi dei Legionari-PHX Phoenix Sky Harbor Intl
24h 01m2 stops Rome Fiumicino Newark
$1,162United Airlines
Sun, Jan 10 - Thu, Jan 14
United Airlines Logo
7:00 am - 10:25 amPHX  Phoenix Sky Harbor Intl-TRS Trieste Ronchi dei Legionari
19h 25m3 stops Houston George Bush Intcntl Newark Rome Fiumicino
United Airlines Logo
6:35 am - 7:54 pmTRS  Trieste Ronchi dei Legionari-PHX Phoenix Sky Harbor Intl
21h 19m2 stops Rome Fiumicino Newark
$1,413United Airlines
Sun, Jan 10 - Thu, Jan 14
Lufthansa Logo
6:15 am - 1:55 pmPHX  Phoenix Sky Harbor Intl-TRS Trieste Ronchi dei Legionari
22h 40m2 stops Newark Frankfurt am Main
Lufthansa Logo
6:15 am - 6:38 pmTRS  Trieste Ronchi dei Legionari-PHX Phoenix Sky Harbor Intl
21h 23m2 stops Frankfurt am Main San Francisco
$1,430Lufthansa
Fri, Sep 4 - Thu, Sep 10
United Airlines Logo
7:00 am - 10:25 amPHX  Phoenix Sky Harbor Intl-TRS Trieste Ronchi dei Legionari
19h 25m3 stops Houston George Bush Intcntl Newark Rome Fiumicino
United Airlines Logo
6:35 am - 1:59 pmTRS  Trieste Ronchi dei Legionari-PHX Phoenix Sky Harbor Intl
39h 24m3 stops Rome Fiumicino Newark Chicago O'Hare Intl
$1,435United Airlines
Sun, Jan 10 - Thu, Jan 14
Multiple Airlines Logo
1:15 pm - 10:25 amPHX  Phoenix Sky Harbor Intl-TRS Trieste Ronchi dei Legionari
36h 10m3 stops Calgary London Heathrow Rome Fiumicino
Multiple Airlines Logo
11:15 am - 10:56 amTRS  Trieste Ronchi dei Legionari-PHX Phoenix Sky Harbor Intl
32h 41m3 stops Rome Fiumicino Lisbon Humberto Delgado Toronto Pearson Intl
$1,476Multiple Airlines
Fri, Sep 11 - Thu, Sep 17
Multiple Airlines Logo
1:15 pm - 2:30 pmPHX  Phoenix Sky Harbor Intl-TRS Trieste Ronchi dei Legionari
40h 15m3 stops Calgary London Heathrow Rome Fiumicino
Multiple Airlines Logo
10:30 am - 11:04 amTRS  Trieste Ronchi dei Legionari-PHX Phoenix Sky Harbor Intl
33h 34m2 stops Barcelona-El Prat Mexico City Benito Juarez
$1,601Multiple Airlines
Fri, Sep 11 - Thu, Sep 17
Multiple Airlines Logo
12:00 pm - 9:55 pmPHX  Phoenix Sky Harbor Intl-TRS Trieste Ronchi dei Legionari
24h 55m3 stops Toronto Pearson Intl Paris Charles de Gaulle Frankfurt am Main
Multiple Airlines Logo
7:15 pm - 7:16 pmTRS  Trieste Ronchi dei Legionari-PHX Phoenix Sky Harbor Intl
33h 01m3 stops Rome Fiumicino Paris Charles de Gaulle Montreal Pierre Elliott Trudeau Intl
$1,625Multiple Airlines
Fri, Sep 11 - Fri, Sep 18
Multiple Airlines Logo
1:15 pm - 10:55 pmPHX  Phoenix Sky Harbor Intl-TRS Trieste Ronchi dei Legionari
24h 40m3 stops Calgary Barcelona-El Prat Rome Fiumicino
Multiple Airlines Logo
3:15 pm - 9:35 pmTRS  Trieste Ronchi dei Legionari-PHX Phoenix Sky Harbor Intl
39h 20m3 stops Rome Fiumicino Paris Charles de Gaulle Calgary
$1,678Multiple Airlines
Fri, Sep 4 - Thu, Sep 10

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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
Sep 11
PHX12:00 pmPhoenix Sky Harbor Intl
24h 55m
2 stops
TRS9:55 pmTrieste Ronchi dei Legionari
Sep 18
TRS6:10 amTrieste Ronchi dei Legionari
20h 43m
2 stops
PHX5:53 pmPhoenix Sky Harbor Intl
$1,119
Lufthansa
Sep 4
PHX6:15 amPhoenix Sky Harbor Intl
22h 40m
2 stops
TRS1:55 pmTrieste Ronchi dei Legionari
Sep 10
TRS6:15 amTrieste Ronchi dei Legionari
21h 23m
2 stops
PHX6:38 pmPhoenix Sky Harbor Intl
$1,430

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
Jan 10
PHX9:15 amPhoenix Sky Harbor Intl
17h 10m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Jan 14
TRS6:35 amTrieste Ronchi dei Legionari
24h 01m
2 stops
PHX10:36 pmPhoenix Sky Harbor Intl
$1,162
United Airlines
Jan 10
PHX7:00 amPhoenix Sky Harbor Intl
19h 25m
3 stops
TRS10:25 amTrieste Ronchi dei Legionari
Jan 14
TRS6:35 amTrieste Ronchi dei Legionari
21h 19m
2 stops
PHX7:54 pmPhoenix Sky Harbor Intl
$1,413
United Airlines
Jan 10
PHX7:00 amPhoenix Sky Harbor Intl
19h 25m
3 stops
TRS10:25 amTrieste Ronchi dei Legionari
Jan 14
TRS6:35 amTrieste Ronchi dei Legionari
39h 24m
3 stops
PHX1:59 pmPhoenix Sky Harbor Intl
$1,435

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 August 14, 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

Cheapest round-trip

PhoenixTrieste

PHX Phoenix Sky Harbor Intl - TRS Trieste Ronchi dei Legionari

PHXTRS

Phoenix Sky Harbor Intl

Fri 9/11

8:20 am-9:55 pm

2 stops28h 35m

Trieste Ronchi dei Legionari

Thu 9/17

6:15 am-10:00 pm

2 stops24h 45m

$1,090

PhoenixTrieste

PHX Phoenix Sky Harbor Intl - TRS Trieste Ronchi dei Legionari

PHXTRS

Phoenix Sky Harbor Intl

Fri 9/11

12:00 pm-9:55 pm

2 stops24h 55m

Trieste Ronchi dei Legionari

Fri 9/18

6:10 am-5:53 pm

2 stops20h 43m

$1,119

PhoenixTrieste

PHX Phoenix Sky Harbor Intl - TRS Trieste Ronchi dei Legionari

PHXTRS

Phoenix Sky Harbor Intl

Sun 1/10

9:15 am-10:25 am

2 stops17h 10m

Trieste Ronchi dei Legionari

Thu 1/14

6:35 am-10:36 pm

2 stops24h 01m

$1,162
Quickest round-trip

PhoenixTrieste

PHX Phoenix Sky Harbor Intl - TRS Trieste Ronchi dei Legionari

PHXTRS

Phoenix Sky Harbor Intl

Sun 1/10

7:00 am-10:25 am

3 stops19h 25m

Trieste Ronchi dei Legionari

Thu 1/14

6:35 am-7:54 pm

2 stops21h 19m

$1,413

PhoenixTrieste

PHX Phoenix Sky Harbor Intl - TRS Trieste Ronchi dei Legionari

PHXTRS

Phoenix Sky Harbor Intl

Fri 9/4

6:15 am-1:55 pm

2 stops22h 40m

Trieste Ronchi dei Legionari

Thu 9/10

6:15 am-6:38 pm

2 stops21h 23m

$1,430

PhoenixTrieste

PHX Phoenix Sky Harbor Intl - TRS Trieste Ronchi dei Legionari

PHXTRS

Phoenix Sky Harbor Intl

Sun 1/10

7:00 am-10:25 am

3 stops19h 25m

Trieste Ronchi dei Legionari

Thu 1/14

6:35 am-1:59 pm

3 stops39h 24m

$1,435

PhoenixTrieste

PHX Phoenix Sky Harbor Intl - TRS Trieste Ronchi dei Legionari

PHXTRS

Phoenix Sky Harbor Intl

Fri 9/11

1:15 pm-10:25 am

3 stops36h 10m

Trieste Ronchi dei Legionari

Thu 9/17

11:15 am-10:56 am

3 stops32h 41m

$1,476

PhoenixTrieste

PHX Phoenix Sky Harbor Intl - TRS Trieste Ronchi dei Legionari

PHXTRS

Phoenix Sky Harbor Intl

Fri 9/11

1:15 pm-2:30 pm

3 stops40h 15m

Trieste Ronchi dei Legionari

Thu 9/17

10:30 am-11:04 am

2 stops33h 34m

$1,601

PhoenixTrieste

PHX Phoenix Sky Harbor Intl - TRS Trieste Ronchi dei Legionari

PHXTRS

Phoenix Sky Harbor Intl

Fri 9/11

12:00 pm-9:55 pm

3 stops24h 55m

Trieste Ronchi dei Legionari

Fri 9/18

7:15 pm-7:16 pm

3 stops33h 01m

$1,625

PhoenixTrieste

PHX Phoenix Sky Harbor Intl - TRS Trieste Ronchi dei Legionari

PHXTRS

Phoenix Sky Harbor Intl

Fri 9/4

1:15 pm-10:55 pm

3 stops24h 40m

Trieste Ronchi dei Legionari

Thu 9/10

3:15 pm-9:35 pm

3 stops39h 20m

$1,678

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, Delta 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 60% 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 10m

Direct flights

None
The fastest flight from Phoenix Sky Harbor Intl Airport to Trieste takes 17h 10m
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

Frequently asked questions about flying from Phoenix Sky Harbor Intl Airport to Trieste

  • 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 10m 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
Grado
Udine

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.

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Fly your favorite airline to Trieste

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
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Lufthansa
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