$383 Cheap Flights from San Francisco (SFO) to Trieste (TRS)

View $383 flight on Wed, Nov 5, 2025Opens in a new window

Popular airlines from San Francisco Intl. Airport (SFO) to Friuli Venezia Giulia Airport (TRS)

Cheap Flights from San Francisco to Trieste (SFO-TRS)

Prices were available within the past 7 days and start at $383 for one-way flights and $646 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

ITA Airways
Mon, Nov 3 - Wed, Nov 12
SFO
San Francisco
TRS
Trieste
$646 Roundtrip, found 2 days ago
$646
Roundtrip
found 2 days ago
Select ITA Airways flight, departing Mon, Nov 3 from San Francisco to Trieste, returning Wed, Nov 12, priced at $646 found 2 days ago
ITA Airways
Wed, Oct 15 - Thu, Nov 20
SFO
San Francisco
TRS
Trieste
$646 Roundtrip, found 1 day ago
$646
Roundtrip
found 1 day ago
Select ITA Airways flight, departing Wed, Oct 15 from San Francisco to Trieste, returning Thu, Nov 20, priced at $646 found 1 day ago
Delta
Wed, Nov 5 - Wed, Nov 12
SFO
San Francisco
TRS
Trieste
$650 Roundtrip, found 2 days ago
$650
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Nov 5 from San Francisco to Trieste, returning Wed, Nov 12, priced at $650 found 2 days ago
Lufthansa
Mon, Nov 10 - Thu, Nov 27
SFO
San Francisco
TRS
Trieste
$651 Roundtrip, found 6 days ago
$651
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Mon, Nov 10 from San Francisco to Trieste, returning Thu, Nov 27, priced at $651 found 6 days ago
ITA Airways
Mon, Dec 29 - Wed, Jan 14
SFO
San Francisco
TRS
Trieste
$656 Roundtrip, found 3 days ago
$656
Roundtrip
found 3 days ago
Select ITA Airways flight, departing Mon, Dec 29 from San Francisco to Trieste, returning Wed, Jan 14, priced at $656 found 3 days ago
Lufthansa
Tue, Nov 4 - Wed, Nov 12
SFO
San Francisco
TRS
Trieste
$657 Roundtrip, found 3 days ago
$657
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Tue, Nov 4 from San Francisco to Trieste, returning Wed, Nov 12, priced at $657 found 3 days ago
Delta
Wed, Nov 5 - Wed, Nov 12
SFO
San Francisco
TRS
Trieste
$660 Roundtrip, found 2 days ago
$660
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Nov 5 from San Francisco to Trieste, returning Wed, Nov 12, priced at $660 found 2 days ago
Lufthansa
Mon, Nov 10 - Thu, Nov 27
SFO
San Francisco
TRS
Trieste
$661 Roundtrip, found 6 days ago
$661
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Mon, Nov 10 from San Francisco to Trieste, returning Thu, Nov 27, priced at $661 found 6 days ago
Air Canada
Wed, Oct 29 - Wed, Nov 12
SFO
San Francisco
TRS
Trieste
$664 Roundtrip, found 3 days ago
$664
Roundtrip
found 3 days ago
Select Air Canada flight, departing Wed, Oct 29 from San Francisco to Trieste, returning Wed, Nov 12, priced at $664 found 3 days ago
United
Wed, Nov 5 - Wed, Nov 12
SFO
San Francisco
TRS
Trieste
$690 Roundtrip, found 2 days ago
$690
Roundtrip
found 2 days ago
Select United flight, departing Wed, Nov 5 from San Francisco to Trieste, returning Wed, Nov 12, priced at $690 found 2 days ago

Alternative airports near Trieste

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Friuli Venezia Giulia TRS. Cheapest and Closest option available. Average driving time to city center is 33 minutes. Flights from $851
TRS
Friuli Venezia Giulia
CheapestClosest
Average driving time to city center33 min
Flights from $851
Flights from San Francisco (SFO) to Trieste (TRS)
Origin airport
San Francisco Intl.
Destination airport
Friuli Venezia Giulia
Airlines serving
Brussels Airlines, Emirates, ITA Airways, KLM, Lufthansa, Swiss International Air Lines, TAP Portugal, Turkish Airlines
Roundtrip price
$645
Distance
6053 mi

San Francisco to Trieste Flights

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

 

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

Sunday is one of the best days to book for cheap flights from San Francisco 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 Francisco 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 Francisco to Trieste in 2025. You can also book with separate airlines for your outbound and return journeys, from $383 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 Francisco 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 Francisco 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 San Francisco Intl. Airport (SFO) to Friuli Venezia Giulia Airport (TRS) cost?
Get a cheap one-way flight from $383 or cheap return flight from $646 from San Francisco Intl. Airport (SFO) to Friuli Venezia Giulia Airport (TRS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from San Francisco Intl. Airport (SFO) to Friuli Venezia Giulia Airport (TRS)?
The cheapest month to fly from SFO to TRS is November, when there's less demand. Off-peak season is generally when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from San Francisco Intl. Airport (SFO) to Friuli Venezia Giulia Airport (TRS)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SFO to TRS flight.
How many flights per day from San Francisco Intl. Airport (SFO) to Friuli Venezia Giulia Airport (TRS)?
You'll have to take a flight with a layover if you're traveling from San Francisco Intl. Airport (SFO) to Friuli Venezia Giulia Airport (TRS). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from SFO to TRS?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on a number of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Friuli Venezia Giulia Airport (TRS)?
To touch down at Friuli Venezia Giulia Airport (TRS) without delays, opt for a flight that leaves from San Francisco Intl. Airport (SFO) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 San Francisco Intl. Airport (SFO) to Friuli Venezia Giulia Airport (TRS) last-minute?
Waiting until just before your trip to book your flight from SFO to TRS often results in higher prices. While you may find some last-minute offers, there's no guarantee. Allow some flexibility in your schedule to maximize your chances of scoring a bargain.
Is it cheaper to book a SFO to TRS flight and hotel package?
You can save money by booking a SFO 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 easy to manage everything in one convenient place. After choosing your preferred accommodations and flights, consider other add-ons like car rentals, activities and tours.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Friuli Venezia Giulia Airport (TRS)?
You can usually reschedule or cancel your SFO to TRS flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.