$505 Cheap Flights from Phoenix (PHX) to Trieste (TRS)

View $505 flight on Mon, Jul 14, 2025Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Friuli Venezia Giulia Airport (TRS)

Cheap Flights from Phoenix to Trieste (PHX-TRS)

Prices were available within the past 7 days and start at $505 for one-way flights and $616 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Wed, Sep 24 - Thu, Oct 9
PHX
Phoenix
TRS
Trieste
$616 Roundtrip, found 4 days ago
$616
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Sep 24 from Phoenix to Trieste, returning Thu, Oct 9, priced at $616 found 4 days ago
Air Canada
Wed, Sep 24 - Thu, Oct 9
PHX
Phoenix
TRS
Trieste
$618 Roundtrip, found 4 days ago
$618
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Sep 24 from Phoenix to Trieste, returning Thu, Oct 9, priced at $618 found 4 days ago
Delta
Mon, Aug 4 - Tue, Aug 19
PHX
Phoenix
TRS
Trieste
$622 Roundtrip, found 12 hours ago
$622
Roundtrip
found 12 hours ago
Select Delta flight, departing Mon, Aug 4 from Phoenix to Trieste, returning Tue, Aug 19, priced at $622 found 12 hours ago
United
Mon, Aug 25 - Fri, Sep 5
PHX
Phoenix
TRS
Trieste
$627 Roundtrip, found 12 hours ago
$627
Roundtrip
found 12 hours ago
Select United flight, departing Mon, Aug 25 from Phoenix to Trieste, returning Fri, Sep 5, priced at $627 found 12 hours ago
Lufthansa
Wed, Sep 24 - Thu, Oct 9
PHX
Phoenix
TRS
Trieste
$635 Roundtrip, found 4 days ago
$635
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Sep 24 from Phoenix to Trieste, returning Thu, Oct 9, priced at $635 found 4 days ago
Lufthansa
Wed, Sep 24 - Thu, Oct 9
PHX
Phoenix
TRS
Trieste
$637 Roundtrip, found 4 days ago
$637
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Sep 24 from Phoenix to Trieste, returning Thu, Oct 9, priced at $637 found 4 days ago
Lufthansa
Wed, Sep 24 - Thu, Oct 9
PHX
Phoenix
TRS
Trieste
$642 Roundtrip, found 4 days ago
$642
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Sep 24 from Phoenix to Trieste, returning Thu, Oct 9, priced at $642 found 4 days ago
Lufthansa
Wed, Sep 24 - Thu, Oct 9
PHX
Phoenix
TRS
Trieste
$644 Roundtrip, found 4 days ago
$644
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Sep 24 from Phoenix to Trieste, returning Thu, Oct 9, priced at $644 found 4 days ago
Lufthansa
Mon, Sep 1 - Fri, Sep 12
PHX
Phoenix
TRS
Trieste
$646 Roundtrip, found 12 hours ago
$646
Roundtrip
found 12 hours ago
Select Lufthansa flight, departing Mon, Sep 1 from Phoenix to Trieste, returning Fri, Sep 12, priced at $646 found 12 hours ago
KLM
Sun, Aug 17 - Fri, Aug 29
PHX
Phoenix
TRS
Trieste
$648 Roundtrip, found 12 hours ago
$648
Roundtrip
found 12 hours ago
Select KLM flight, departing Sun, Aug 17 from Phoenix to Trieste, returning Fri, Aug 29, priced at $648 found 12 hours ago

Find the cheapest month to fly from Phoenix (PHX) to Trieste (TRS)

November is typically the cheapest month to fly

From $589 - $1,342 per traveler.

Graph displaying average flight prices per month

Flights from Phoenix (PHX) to Trieste (TRS)
Origin airport
Sky Harbor Intl.
Destination airport
Friuli Venezia Giulia
Airlines serving
Brussels Airlines, Lufthansa
Roundtrip price
$616
Distance
5990 mi

Phoenix to Trieste Flights

The cheapest times to fly from Phoenix to Trieste

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Phoenix to Trieste are during the month of September. You can find some of the cheapest flights from Phoenix to Trieste with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phoenix to Trieste

Sunday is one of the best days to book for cheap flights from Phoenix to Trieste: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Phoenix to Trieste

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Phoenix to Trieste in 2025. You can also book with separate airlines for your outbound and return journeys, from $505 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Phoenix to Trieste flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Phoenix to Trieste airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to Friuli Venezia Giulia Airport (TRS) cost?
Discover the latest flight deals from PHX to TRS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PHX to TRS?
The cheapest flights from PHX to TRS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from PHX to TRS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from PHX to TRS. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Friuli Venezia Giulia Airport (TRS)?
You'll need to hop on a flight with a layover if you're traveling from Sky Harbor Intl. Airport (PHX) to Friuli Venezia Giulia Airport (TRS). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from PHX to TRS?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sky Harbor Intl. Airport (PHX) to Friuli Venezia Giulia Airport (TRS)?
Select a flight from Sky Harbor Intl. Airport (PHX) to Friuli Venezia Giulia Airport (TRS) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Sky Harbor Intl. Airport (PHX) to Friuli Venezia Giulia Airport (TRS) last-minute?
Holding off until just before your trip to book your flight from PHX to TRS often results in higher prices. Although you may find some last-minute deals, they're not always guaranteed. Keep your travel schedule open to boost your chances of getting a bargain.
Is it cheaper to book a PHX to TRS flight and hotel package?
Booking a PHX to TRS flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our impressive range of hotels and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to Friuli Venezia Giulia Airport (TRS)?
In most cases, you can reschedule or cancel your PHX to TRS flight. However, there may be additional fees, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you'd like more details, go to our Customer Service portal.

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*Available to One Key members.