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Trieste

$1,278+ Cheap flights from Sky Harbor Intl (PHX) to Trieste (TRS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — TRS
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Sky Harbor Intl to Trieste

Best flights from Sky Harbor Intl to Trieste
Discover carefully curated flight deals from Sky Harbor Intl to Trieste that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This ITA Airways deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:45 amPHX - TRS
2 stops18h 40mMultiple Airlines
Sun 4/196:35 amTRS - PHX
2 stops20h 20mMultiple Airlines
Deal found 12/10$1,278
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/106:00 amPHX - TRS
3 stops19h 25mUnited Airlines
Fri 6/266:35 amTRS - PHX
2 stops22h 20mUnited Airlines
Deal found 12/11$9,201
This Expedia deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1010:46 amPHX - TRS
2 stops26h 09mMultiple Airlines
Fri 6/266:20 amTRS - PHX
2 stops24h 35mMultiple Airlines
Deal found 12/11$4,710

Find flight deals from Sky Harbor Intl to Trieste

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Trieste (TRS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,278
(ITA Airways)
Provider with most accurate pricing for Phoenix Sky Harbor Intl-Trieste Ronchi dei Legionari flight deals.
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Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-Trieste Ronchi dei Legionari flights.
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From Phoenix Sky Harbor Intl to Trieste Ronchi dei Legionari
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl 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, Cheapflights users made 2,558,603 searches. Data last updated December 12, 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

Sky Harbor Intl

Fly to

Trieste

Route

Depart

Return

Price

PhoenixTrieste

PHX - TRS

PHXTRS

Phoenix Sky Harbor Intl

Wed 4/8

6:45 am-10:25 am

2 stops18h 40m

Trieste Ronchi dei Legionari

Sun 4/19

6:35 am-5:55 pm

2 stops20h 20m

$1,278

PhoenixTrieste

PHX - TRS

PHXTRS

Phoenix Sky Harbor Intl

Wed 6/10

10:46 am-9:55 pm

2 stops26h 09m

Trieste Ronchi dei Legionari

Fri 6/26

6:20 am-9:55 pm

2 stops24h 35m

$4,710

PhoenixTrieste

PHX - TRS

PHXTRS

Phoenix Sky Harbor Intl

Wed 6/10

6:00 am-10:25 am

3 stops19h 25m

Trieste Ronchi dei Legionari

Fri 6/26

6:35 am-7:55 pm

2 stops22h 20m

$9,201

PhoenixTrieste

PHX - TRS

PHXTRS

Phoenix Sky Harbor Intl

Sun 6/7

6:00 am-10:25 am

2 stops43h 25m

$1,864

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Compare providers for flights from Sky Harbor Intl to Trieste

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sky Harbor Intl to Trieste in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Trieste flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phoenix Sky Harbor Intl Airport-Trieste flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Trieste flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Trieste flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phoenix Sky Harbor Intl Airport-Trieste flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sky Harbor Intl to Trieste

Have a flexible travel schedule? Discover the best time to fly to Trieste from Sky Harbor Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Phoenix Sky Harbor Intl Airport to Trieste

What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Trieste?

Currently, December is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Trieste (average of $543). Flying from Phoenix Sky Harbor Intl Airport to Trieste in June is currently the most expensive (average of $1,027). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl to Trieste. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Trieste from Phoenix Sky Harbor Intl?

    For a flight from Phoenix Sky Harbor Intl to Trieste, you will be flying into Ronchi dei Legionari. Trieste Ronchi dei Legionari (TRS) is just 18.2 mi from the center of the city. Ronchi dei Legionari is the only Trieste airport and it handles 0 inbound flights from Phoenix Sky Harbor Intl per day. 0 airlines have flights to Trieste Ronchi dei Legionari from Phoenix Sky Harbor Intl on a regular basis.

  • How long is the flight from Phoenix Sky Harbor Intl Airport to Trieste?

    A quick flight from Phoenix Sky Harbor Intl Airport to Trieste can take about 19h 25m. United Airlines provides one of the quickest options available for as low as $9,201. The distance from Phoenix Sky Harbor Intl Airport to Trieste is about 5986 mi.

  • Can I find deals for flights from Sky Harbor Intl to Trieste that include hotel bookings?

    Yes. In addition to deals on Sky Harbor Intl to Trieste flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sky Harbor Intl to Trieste?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sky Harbor Intl to Trieste.

  • Can I find deals for business class flights from Sky Harbor Intl to Trieste?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl to Trieste by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Trieste?

    Currently, December is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Trieste (average of $543). Flying from Phoenix Sky Harbor Intl Airport to Trieste in June is currently the most expensive (average of $1,027). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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