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Trieste

$780+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — TRS
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Sky Harbor Intl to Trieste

Cheapest flights from Sky Harbor Intl to Trieste
Explore the most affordable flight options available from Sky Harbor Intl to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This KLM deal was found by Cheapflights users on 1/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:05 am
PHX
-
TRS
2 stops22h 25m
KLM
Tue 9/83:15 pm
TRS
-
PHX
2 stops40h 32m
KLM
Deal found 1/27$780
This Cheapflightsfares deal was found by Cheapflights users on 1/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/812:00 pm
PHX
-
TRS
2 stops17h 00m
Lufthansa
Sun 4/196:00 am
TRS
-
PHX
2 stops22h 49m
Lufthansa
Deal found 1/26$836
This Booking.com deal was found by Cheapflights users on 1/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1310:33 am
PHX
-
TRS
2 stops19h 32m
Lufthansa
Fri 3/206:25 am
TRS
-
PHX
2 stops44h 04m
Lufthansa
Deal found 1/27$972
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Sat 8/157:30 am
PHX
-
TRS
2 stops17h 55m
United Airlines
Tue 9/86:35 am
TRS
-
PHX
3 stops25h 24m
United Airlines
Deal found 1/27$1,630
This United Airlines deal was found by Cheapflights users on 1/27. 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 4/89:02 am
PHX
-
TRS
2 stops16h 23m
United Airlines
Sun 4/196:35 am
TRS
-
PHX
3 stops21h 10m
United Airlines
Deal found 1/27$1,660
This Booking.com deal was found by Cheapflights users on 1/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1311:20 pm
PHX
-
TRS
2 stops30h 45m
Multiple Airlines
Fri 3/203:00 pm
TRS
-
PHX
3 stops35h 19m
Multiple Airlines
Deal found 1/27$1,714
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Fri 2/207:00 am
PHX
-
TRS
2 stops19h 25m
United Airlines
Mon 2/236:35 am
TRS
-
PHX
2 stops24h 28m
United Airlines
Deal found 1/26$2,314
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Fri 3/136:15 am
PHX
-
TRS
2 stops20h 10m
United Airlines
Fri 3/206:35 am
TRS
-
PHX
2 stops19h 44m
United Airlines
Deal found 1/27$2,709

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$836
(Cheapflightsfares)
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 January 27, 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

Sky Harbor Intl

Fly to

Trieste

Route

Depart

Return

Price

PhoenixTrieste

PHX - TRS

PHXTRS

Phoenix Sky Harbor Intl

Fri 3/13

10:33 am-2:05 pm

2 stops19h 32m

Trieste Ronchi dei Legionari

Fri 3/20

6:25 am-6:29 pm

2 stops44h 04m

$972

PhoenixTrieste

PHX - TRS

PHXTRS

Phoenix Sky Harbor Intl

Wed 4/8

7:00 am-10:25 am

2 stops18h 25m

Trieste Ronchi dei Legionari

Sun 4/19

6:35 am-6:45 pm

3 stops21h 10m

$1,660

PhoenixTrieste

PHX - TRS

PHXTRS

Phoenix Sky Harbor Intl

Fri 3/13

11:20 pm-2:05 pm

2 stops30h 45m

Trieste Ronchi dei Legionari

Fri 3/20

3:00 pm-6:19 pm

3 stops35h 19m

$1,714

PhoenixTrieste

PHX - TRS

PHXTRS

Phoenix Sky Harbor Intl

Fri 2/20

9:40 am-10:25 am

2 stops16h 45m

Trieste Ronchi dei Legionari

Mon 2/23

6:35 am-11:03 pm

2 stops24h 28m

$2,314

PhoenixTrieste

PHX - TRS

PHXTRS

Phoenix Sky Harbor Intl

Fri 3/13

6:15 am-10:25 am

2 stops20h 10m

Trieste Ronchi dei Legionari

Fri 3/20

6:35 am-6:19 pm

2 stops19h 44m

$2,709

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 FlightHub the most. FlightHub 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 $544). 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 17h. Lufthansa provides one of the quickest options available for as low as $836. The distance from Phoenix Sky Harbor Intl Airport to Trieste is about 5986 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $544). 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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