$551 Cheap Flights from San Juan (SJU) to Trieste (TRS)

View $551 flight on Sat, Jan 10, 2026Opens in a new window

Popular airlines from Luis Munoz Marin Intl. Airport (SJU) to Friuli Venezia Giulia Airport (TRS)

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Cheap Flights from San Juan to Trieste (SJU-TRS)

Prices were available within the past 7 days and start at $551 for one-way flights and $503 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Mar 10 - Tue, Mar 24
SJU
San Juan
TRS
Trieste
$503 Roundtrip, found 1 day ago
$503
Roundtrip
found 1 day ago
Select United flight, departing Tue, Mar 10 from San Juan to Trieste, returning Tue, Mar 24, priced at $503 found 1 day ago
United
Thu, Jan 29 - Wed, Feb 18
SJU
San Juan
TRS
Trieste
$508 Roundtrip, found 1 day ago
$508
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jan 29 from San Juan to Trieste, returning Wed, Feb 18, priced at $508 found 1 day ago
Lufthansa
Fri, Jan 23 - Tue, Feb 10
SJU
San Juan
TRS
Trieste
$522 Roundtrip, found 1 day ago
$522
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Fri, Jan 23 from San Juan to Trieste, returning Tue, Feb 10, priced at $522 found 1 day ago
United
Thu, Jan 15 - Sun, Feb 1
SJU
San Juan
TRS
Trieste
$523 Roundtrip, found 1 day ago
$523
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jan 15 from San Juan to Trieste, returning Sun, Feb 1, priced at $523 found 1 day ago
KLM
Tue, Jan 20 - Sun, Feb 8
SJU
San Juan
TRS
Trieste
$565 Roundtrip, found 1 day ago
$565
Roundtrip
found 1 day ago
Select KLM flight, departing Tue, Jan 20 from San Juan to Trieste, returning Sun, Feb 8, priced at $565 found 1 day ago
United
Wed, Mar 4 - Mon, Mar 16
SJU
San Juan
TRS
Trieste
$585 Roundtrip, found 1 day ago
$585
Roundtrip
found 1 day ago
Select United flight, departing Wed, Mar 4 from San Juan to Trieste, returning Mon, Mar 16, priced at $585 found 1 day ago
United
Thu, Jan 15 - Fri, Jan 30
SJU
San Juan
TRS
Trieste
$590 Roundtrip, found 1 day ago
$590
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jan 15 from San Juan to Trieste, returning Fri, Jan 30, priced at $590 found 1 day ago
United
Thu, Jan 15 - Thu, Feb 5
SJU
San Juan
TRS
Trieste
$603 Roundtrip, found 1 day ago
$603
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jan 15 from San Juan to Trieste, returning Thu, Feb 5, priced at $603 found 1 day ago
American Airlines
Mon, Jan 26 - Tue, Feb 10
SJU
San Juan
TRS
Trieste
$622 Roundtrip, found 1 day ago
$622
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Jan 26 from San Juan to Trieste, returning Tue, Feb 10, priced at $622 found 1 day ago
Delta
Sun, Jan 11 - Fri, Jan 23
SJU
San Juan
TRS
Trieste
$747 Roundtrip, found 1 day ago
$747
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Jan 11 from San Juan to Trieste, returning Fri, Jan 23, priced at $747 found 1 day ago

Frequently asked questions

How much does a flight from Luis Munoz Marin Intl. Airport (SJU) to Friuli Venezia Giulia Airport (TRS) cost?
Grab a cheap one-way flight from $551 or cheap return flight from $503 from Luis Munoz Marin Intl. Airport (SJU) to Friuli Venezia Giulia Airport (TRS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Luis Munoz Marin Intl. Airport (SJU) to Friuli Venezia Giulia Airport (TRS)?
Planning your trip for March can help you save, as it's the cheapest month for flights between SJU and TRS. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Luis Munoz Marin Intl. Airport (SJU) to Friuli Venezia Giulia Airport (TRS)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from SJU to TRS. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Luis Munoz Marin Intl. Airport (SJU) to Friuli Venezia Giulia Airport (TRS)?
Direct flights from Luis Munoz Marin Intl. Airport (SJU) to Friuli Venezia Giulia Airport (TRS) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SJU to TRS?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Luis Munoz Marin Intl. Airport (SJU) to Friuli Venezia Giulia Airport (TRS)?
To avoid potential delays on the Luis Munoz Marin Intl. Airport (SJU) to Friuli Venezia Giulia Airport (TRS) route, travel before 3 PM. Departures after this hour have a 22% higher chance of being 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 Luis Munoz Marin Intl. Airport (SJU) to Friuli Venezia Giulia Airport (TRS) last-minute?
Holding off until just before your trip to book a ticket from SJU to TRS often results in higher prices. Although you may find some last-minute offers, they aren't always guaranteed. Allow some flexibility in your schedule to boost your chances of scoring a bargain.
Is it cheaper to book a SJU to TRS flight and hotel package?
You'll generally save money by securing a SJU to TRS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After choosing your ideal accommodations and flights, you can add extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Luis Munoz Marin Intl. Airport (SJU) to Friuli Venezia Giulia Airport (TRS)?
If you reserved your SJU to TRS flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Luis Munoz Marin Intl.
Destination airport
Friuli Venezia Giulia
Airlines serving
KLM, Lufthansa, United
Roundtrip price
$502
Distance
4813 mi

Book with confidence

San Juan to Trieste Flights

The cheapest times to fly from San Juan 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 San Juan to Trieste are during the month of March. You can find some of the cheapest flights from San Juan to Trieste with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Juan to Trieste

Sunday is one of the best days to book for cheap flights from San Juan 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 San Juan 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 San Juan to Trieste in 2026. You can also book with separate airlines for your outbound and return journeys, from $551 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 San Juan 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 San Juan 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.

 

San Juan to Trieste Flights

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*Available to One Key members.