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Cheap flights from Phoenix Sky Harbor Intl Airport to Trieste from $640

This is the cheapest one-way 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 9/28. 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

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
10:06 am - 1:55 pm
PHX
-
TRS
18h 49m
2 stops
Lufthansa Logo
6:15 am - 10:15 pm
TRS
-
PHX
25h 00m
2 stops
$1,425Lufthansa
Mon, Jun 1 - Thu, Jun 25
Lufthansa Logo
10:06 am - 1:55 pm
PHX
-
TRS
18h 49m
2 stops
Lufthansa Logo
6:20 am - 10:46 pm
TRS
-
PHX
25h 26m
2 stops
$1,432Lufthansa
Mon, Jun 1 - Tue, Jun 23
Multiple Airlines Logo
12:10 pm - 9:55 pm
PHX
-
TRS
24h 45m
2 stops
Multiple Airlines Logo
6:20 am - 3:55 pm
TRS
-
PHX
18h 35m
2 stops
$1,446Multiple Airlines
Fri, May 29 - Tue, Jun 23
Lufthansa Logo
10:06 am - 1:55 pm
PHX
-
TRS
18h 49m
2 stops
Lufthansa Logo
2:50 pm - 10:46 pm
TRS
-
PHX
40h 56m
2 stops
$1,452Lufthansa
Mon, Jun 1 - Mon, Jun 22
Lufthansa Logo
11:55 am - 10:25 pm
PHX
-
TRS
25h 30m
2 stops
Lufthansa Logo
2:40 pm - 9:10 pm
TRS
-
PHX
39h 30m
2 stops
$1,477Lufthansa
Wed, Jul 1 - Wed, Jul 15
Lufthansa Logo
10:06 am - 10:15 pm
PHX
-
TRS
27h 09m
2 stops
Lufthansa Logo
6:10 am - 10:15 pm
TRS
-
PHX
25h 05m
2 stops
$1,482Lufthansa
Thu, May 28 - Wed, Jun 24
Lufthansa Logo
1:31 pm - 10:15 pm
PHX
-
TRS
23h 44m
2 stops
Lufthansa Logo
6:10 am - 10:15 pm
TRS
-
PHX
25h 05m
2 stops
$1,486Lufthansa
Tue, May 26 - Fri, Jun 26
Lufthansa Logo
10:06 am - 10:15 pm
PHX
-
TRS
27h 09m
2 stops
Lufthansa Logo
6:20 am - 5:53 pm
TRS
-
PHX
20h 33m
2 stops
$1,489Lufthansa
Thu, May 28 - Tue, Jun 23
Lufthansa Logo
7:24 am - 10:15 pm
PHX
-
TRS
29h 51m
2 stops
Lufthansa Logo
6:20 am - 6:39 pm
TRS
-
PHX
21h 19m
2 stops
$1,493Lufthansa
Tue, May 26 - Tue, Jun 23
Lufthansa Logo
2:45 pm - 9:55 pm
PHX
-
TRS
22h 10m
2 stops
Lufthansa Logo
6:10 am - 10:15 pm
TRS
-
PHX
25h 05m
2 stops
$1,495Lufthansa
Fri, May 29 - Wed, Jun 24

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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
Jun 1
PHX10:06 amPhoenix Sky Harbor Intl
18h 49m
2 stops
TRS1:55 pmTrieste Ronchi dei Legionari
Jun 25
TRS6:15 amTrieste Ronchi dei Legionari
25h 00m
2 stops
PHX10:15 pmPhoenix Sky Harbor Intl
$1,425
Lufthansa
Jun 1
PHX10:06 amPhoenix Sky Harbor Intl
18h 49m
2 stops
TRS1:55 pmTrieste Ronchi dei Legionari
Jun 23
TRS6:20 amTrieste Ronchi dei Legionari
25h 26m
2 stops
PHX10:46 pmPhoenix Sky Harbor Intl
$1,432
Lufthansa
Jun 1
PHX10:06 amPhoenix Sky Harbor Intl
18h 49m
2 stops
TRS1:55 pmTrieste Ronchi dei Legionari
Jun 22
TRS2:50 pmTrieste Ronchi dei Legionari
40h 56m
2 stops
PHX10:46 pmPhoenix Sky Harbor Intl
$1,452

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 April 25, 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 - TRS

PHXTRS

Phoenix Sky Harbor Intl

Mon 6/1

10:06 am-1:55 pm

2 stops18h 49m

Trieste Ronchi dei Legionari

Thu 6/25

6:15 am-10:15 pm

2 stops25h 00m

$1,425

PhoenixTrieste

PHX - TRS

PHXTRS

Phoenix Sky Harbor Intl

Mon 6/1

10:06 am-1:55 pm

2 stops18h 49m

Trieste Ronchi dei Legionari

Tue 6/23

6:20 am-10:46 pm

2 stops25h 26m

$1,432
Quickest round-trip

PhoenixTrieste

PHX - TRS

PHXTRS

Phoenix Sky Harbor Intl

Fri 5/29

12:10 pm-9:55 pm

2 stops24h 45m

Trieste Ronchi dei Legionari

Tue 6/23

6:20 am-3:55 pm

2 stops18h 35m

$1,446

PhoenixTrieste

PHX - TRS

PHXTRS

Phoenix Sky Harbor Intl

Mon 6/1

10:06 am-1:55 pm

2 stops18h 49m

Trieste Ronchi dei Legionari

Mon 6/22

2:50 pm-10:46 pm

2 stops40h 56m

$1,452

PhoenixTrieste

PHX - TRS

PHXTRS

Phoenix Sky Harbor Intl

Wed 7/1

11:55 am-10:25 pm

2 stops25h 30m

Trieste Ronchi dei Legionari

Wed 7/15

2:40 pm-9:10 pm

2 stops39h 30m

$1,477

PhoenixTrieste

PHX - TRS

PHXTRS

Phoenix Sky Harbor Intl

Thu 5/28

10:06 am-10:15 pm

2 stops27h 09m

Trieste Ronchi dei Legionari

Wed 6/24

6:10 am-10:15 pm

2 stops25h 05m

$1,482

PhoenixTrieste

PHX - TRS

PHXTRS

Phoenix Sky Harbor Intl

Tue 5/26

1:31 pm-10:15 pm

2 stops23h 44m

Trieste Ronchi dei Legionari

Fri 6/26

6:10 am-10:15 pm

2 stops25h 05m

$1,486

PhoenixTrieste

PHX - TRS

PHXTRS

Phoenix Sky Harbor Intl

Thu 5/28

10:06 am-10:15 pm

2 stops27h 09m

Trieste Ronchi dei Legionari

Tue 6/23

6:20 am-5:53 pm

2 stops20h 33m

$1,489

PhoenixTrieste

PHX - TRS

PHXTRS

Phoenix Sky Harbor Intl

Tue 5/26

7:24 am-10:15 pm

2 stops29h 51m

Trieste Ronchi dei Legionari

Tue 6/23

6:20 am-6:39 pm

2 stops21h 19m

$1,493

PhoenixTrieste

PHX - TRS

PHXTRS

Phoenix Sky Harbor Intl

Fri 5/29

2:45 pm-9:55 pm

2 stops22h 10m

Trieste Ronchi dei Legionari

Wed 6/24

6:10 am-10:15 pm

2 stops25h 05m

$1,495

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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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 is the cheapest airline that flies from Phoenix Sky Harbor Intl to Trieste Ronchi dei Legionari?

United Airlines is the most popular carrier operating from Phoenix Sky Harbor Intl to Trieste Ronchi dei Legionari

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 53% 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

24h 45m

Direct flights

None
The fastest flight from Phoenix Sky Harbor Intl Airport to Trieste takes 24h 45m
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. 24h 45m 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.

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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
British Airways
American Airlines
United Airlines
Delta
Air France
Lufthansa