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Cheap flights from Phoenix Sky Harbor Intl Airport to Trieste from $709

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 1/21. 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
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
8:30 am - 2:10 pmPHX-TRS
21h 40m2 stops
Lufthansa Logo
3:15 pm - 8:43 pmTRS-PHX
37h 28m2 stops
$709Lufthansa
Find Deal
Wed, Jan 21 - Sun, Jan 25
Lufthansa Logo
8:30 am - 1:55 pmPHX-TRS
20h 25m2 stops
Lufthansa Logo
6:20 am - 6:37 pmTRS-PHX
21h 17m2 stops
$800Lufthansa
Find Deal
Wed, Apr 8 - Sun, Apr 19

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
Jan 21
PHX8:30 amPhoenix Sky Harbor Intl
21h 40m
2 stops
TRS2:10 pmTrieste Ronchi dei Legionari
Jan 25
TRS3:15 pmTrieste Ronchi dei Legionari
37h 28m
2 stops
PHX8:43 pmPhoenix Sky Harbor Intl
$709
Find similar
Lufthansa
Apr 8
PHX8:30 amPhoenix Sky Harbor Intl
20h 25m
2 stops
TRS1:55 pmTrieste Ronchi dei Legionari
Apr 19
TRS6:20 amTrieste Ronchi dei Legionari
21h 17m
2 stops
PHX6:37 pmPhoenix Sky Harbor Intl
$800
Find similar

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 November 30, 2025.
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 1/21

8:30 am-2:10 pm

2 stops21h 40m

Trieste Ronchi dei Legionari

Sun 1/25

3:15 pm-8:43 pm

2 stops37h 28m

$709

PhoenixTrieste

PHX - TRS

PHXTRS

Phoenix Sky Harbor Intl

Wed 4/8

8:30 am-1:55 pm

2 stops20h 25m

Trieste Ronchi dei Legionari

Sun 4/19

6:20 am-6:37 pm

2 stops21h 17m

$800

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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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 49% 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

19h 48m

Direct flights

None
The fastest flight from Phoenix Sky Harbor Intl Airport to Trieste takes 19h 48m
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.
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  • 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. 20h 25m 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
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