Which airports can I use when flying from Trieste to San Francisco?

Flights from Trieste to San Francisco usually depart from Trieste Ronchi dei Legionari (TRS) and arrive at San Francisco (SFO).

What cabin classes can I book on flights from Trieste to San Francisco?

Only Economy Class is available on flights from Trieste to San Francisco.

Which airports do connecting flights from Trieste to San Francisco pass through?

Connecting flights from Trieste to San Francisco most commonly pass through: • Rome Fiumicino (FCO) - 61% of one-stop connections • Frankfurt am Main (FRA) - 39% of one-stop connections

Can I save money by using flexible dates for flights from Trieste to San Francisco?

Yes. Flexible dates can save you up to 45% on flights from Trieste to San Francisco. Tuesday is the cheapest departure day at $584 round-trip on average, while Saturday is the most expensive at $1,056, a difference of $472. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in San Francisco?

Some of the most popular sights in San Francisco are Fisherman's Wharf, Union Square and Moscone Center. These are among the most viewed places in San Francisco on KAYAK.

How long is a flight from Trieste to San Francisco?

A nonstop flight from Trieste to San Francisco takes 00m, covering 6,049 miles.

Do I need a passport to fly from Trieste to San Francisco?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from Trieste to San Francisco changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $564 to $2,307. That means the highest observed fare was about 4x higher than the lowest one.

How are flight prices from Trieste to San Francisco looking right now?

One-way fares from Trieste to San Francisco are currently higher than usual. Average one-way flight prices are about $810, which is 18% above the typical average for this route.

How much time can I save by choosing a different layover airport from Trieste to San Francisco?

Flying via Frankfurt am Main (FRA) gives the shortest average 1-stop total travel time at 15h 24m, compared with 16h 07m via Rome Fiumicino (FCO).

What is the time difference between Trieste and San Francisco?

San Francisco is 9 hours behind Trieste (Pacific Time vs Central European Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at San Francisco Airport (SFO)?

San Francisco Airport (SFO) hosts 5 major car rental companies, with daily rates averaging $63 for economy cars. Top options include: • Europcar • Thrifty • Dollar • Hertz • Fox

How much should I expect to pay for a Trieste to San Francisco flight?

Round-trip flights from Trieste to San Francisco range from $668 to $1,056, with an average of $803 over the past 12 months. Anything below $668 counts as a good deal.

How much is a round-trip flight from Trieste to San Francisco?

Round-trip flights from Trieste to San Francisco typically range from $668 to $1,056. The lowest price found in the past 5 days was $564, on ITA Airways.

What's the cheapest day of the week to fly from Trieste to San Francisco?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Trieste to San Francisco. It’s 28% cheaper than the average day, while Saturday is the most expensive, with prices 31% higher.

Which airline is the cheapest to fly from Trieste to San Francisco?

ITA Airways ($564) and United Airlines ($778) are the cheapest airlines to fly round-trip from Trieste to San Francisco according to KAYAK data over the last 5 days.

What’s the most popular layover airport when flying from Trieste to San Francisco?

Rome Fiumicino (FCO) is the most popular layover for the Trieste to San Francisco route. 61% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via FCO.

What is the cheapest layover airport when flying from Trieste to San Francisco?

Flights via Rome Fiumicino (FCO) offer the most affordable fares, with an average round-trip price of $771. Based on KAYAK data over the past 3 months.

When flying from Trieste to San Francisco which airport offers the shortest layover?

Frankfurt am Main (FRA) had the shortest average connection time for Trieste to San Francisco layovers at 9h 14m over the past 3 months.

$564 CHEAP FLIGHTS from Trieste to San Francisco (TRS - SFO)

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$564

Typical prices: $668-$1,056

ITA Airways

Fri 11/16Wed 12/5

TRS - SFO • 1 stop

Cheapest one-way

$676

Typical prices: $434-$950

Multiple Airlines

Mon 12/3

TRS - SFO • 2 stops

Nonstop flights

Not available

There are currently no direct flights between Trieste and San Francisco. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

October

Cheapest • 31% price drop

June

Most popular

Good to know

Top layover airports

Rome Fiumicino (FCO)

Cheapest • Avg $771 (round-trip)

Frankfurt am Main (FRA)

Shortest trip • 15h 24m (one-way)

Insights

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KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to San Francisco!

Flight Deals

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

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Trieste to San Francisco

Mon, Nov 16 - Sat, Dec 5

7:15 pm - 1:10 pmTRS Trieste Ronchi dei Legionari-SFO San Francisco

26h 55m1 stop Rome Fiumicino

3:05 pm - 2:30 pmSFO San Francisco-TRS Trieste Ronchi dei Legionari

14h 25m1 stop Rome Fiumicino

$564ITA Airways

Tue, Nov 17 - Sat, Dec 5

6:35 am - 1:10 pmTRS Trieste Ronchi dei Legionari-SFO San Francisco

15h 35m1 stop Rome Fiumicino

3:05 pm - 6:30 pmSFO San Francisco-TRS Trieste Ronchi dei Legionari

18h 25m1 stop Rome Fiumicino

$564ITA Airways

Mon, Nov 16 - Thu, Dec 3

7:15 pm - 1:10 pmTRS Trieste Ronchi dei Legionari-SFO San Francisco

26h 55m1 stop Rome Fiumicino

3:05 pm - 6:30 pmSFO San Francisco-TRS Trieste Ronchi dei Legionari

18h 25m1 stop Rome Fiumicino

$564ITA Airways

Tue, Nov 17 - Tue, Dec 1

6:35 am - 1:10 pmTRS Trieste Ronchi dei Legionari-SFO San Francisco

15h 35m1 stop Rome Fiumicino

3:05 pm - 6:30 pmSFO San Francisco-TRS Trieste Ronchi dei Legionari

18h 25m1 stop Rome Fiumicino

$564ITA Airways

Tue, Nov 17 - Thu, Dec 3

6:35 am - 1:10 pmTRS Trieste Ronchi dei Legionari-SFO San Francisco

15h 35m1 stop Rome Fiumicino

3:05 pm - 10:55 pmSFO San Francisco-TRS Trieste Ronchi dei Legionari

22h 50m1 stop Rome Fiumicino

$564ITA Airways

Mon, Nov 16 - Tue, Dec 1

7:15 pm - 1:10 pmTRS Trieste Ronchi dei Legionari-SFO San Francisco

26h 55m1 stop Rome Fiumicino

3:05 pm - 2:30 pmSFO San Francisco-TRS Trieste Ronchi dei Legionari

14h 25m1 stop Rome Fiumicino

$564ITA Airways

Sat, Jan 16 - Fri, Jan 29

6:35 am - 7:33 pmTRS Trieste Ronchi dei Legionari-SFO San Francisco

21h 58m2 stops Rome Fiumicino Los Angeles

10:27 am - 2:30 pmSFO San Francisco-TRS Trieste Ronchi dei Legionari

19h 03m2 stops Los Angeles Rome Fiumicino

$569Multiple Airlines

Thu, Mar 18 - Sun, Mar 21

6:35 am - 2:05 pmTRS Trieste Ronchi dei Legionari-SFO San Francisco

15h 30m1 stop Rome Fiumicino

4:05 pm - 10:55 pmSFO San Francisco-TRS Trieste Ronchi dei Legionari

22h 50m1 stop Rome Fiumicino

$591ITA Airways

Wed, Mar 17 - Sun, Mar 21

7:15 pm - 2:05 pmTRS Trieste Ronchi dei Legionari-SFO San Francisco

26h 50m1 stop Rome Fiumicino

4:05 pm - 10:55 pmSFO San Francisco-TRS Trieste Ronchi dei Legionari

22h 50m1 stop Rome Fiumicino

$591ITA Airways

Tue, Mar 16 - Tue, Mar 23

6:35 am - 2:05 pmTRS Trieste Ronchi dei Legionari-SFO San Francisco

15h 30m1 stop Rome Fiumicino

4:05 pm - 6:30 pmSFO San Francisco-TRS Trieste Ronchi dei Legionari

18h 25m1 stop Rome Fiumicino

$591ITA Airways

Recent last minute flight deals from Trieste to San Francisco

Thu, Nov 12 - Thu, Dec 3

6:35 am - 1:10 pmTRS Trieste Ronchi dei Legionari-SFO San Francisco

15h 35m1 stop Rome Fiumicino

3:05 pm - 10:55 pmSFO San Francisco-TRS Trieste Ronchi dei Legionari

22h 50m1 stop Rome Fiumicino

$564ITA Airways

Wed, Nov 11 - Thu, Dec 3

7:15 pm - 1:10 pmTRS Trieste Ronchi dei Legionari-SFO San Francisco

26h 55m1 stop Rome Fiumicino

3:05 pm - 2:30 pmSFO San Francisco-TRS Trieste Ronchi dei Legionari

14h 25m1 stop Rome Fiumicino

$564ITA Airways

Wed, Nov 11 - Sat, Dec 5

7:15 pm - 1:10 pmTRS Trieste Ronchi dei Legionari-SFO San Francisco

26h 55m1 stop Rome Fiumicino

3:05 pm - 6:30 pmSFO San Francisco-TRS Trieste Ronchi dei Legionari

18h 25m1 stop Rome Fiumicino

$564ITA Airways

Thu, Nov 12 - Tue, Dec 1

6:35 am - 1:10 pmTRS Trieste Ronchi dei Legionari-SFO San Francisco

15h 35m1 stop Rome Fiumicino

3:05 pm - 10:55 pmSFO San Francisco-TRS Trieste Ronchi dei Legionari

22h 50m1 stop Rome Fiumicino

$564ITA Airways

Wed, Nov 11 - Tue, Dec 1

7:15 pm - 1:10 pmTRS Trieste Ronchi dei Legionari-SFO San Francisco

26h 55m1 stop Rome Fiumicino

3:05 pm - 10:55 pmSFO San Francisco-TRS Trieste Ronchi dei Legionari

22h 50m1 stop Rome Fiumicino

$564ITA Airways

Thu, Nov 12 - Sat, Dec 5

6:35 am - 1:10 pmTRS Trieste Ronchi dei Legionari-SFO San Francisco

15h 35m1 stop Rome Fiumicino

3:05 pm - 6:30 pmSFO San Francisco-TRS Trieste Ronchi dei Legionari

18h 25m1 stop Rome Fiumicino

$564ITA Airways

Sat, Nov 7 - Thu, Nov 12

6:35 am - 6:10 pmTRS Trieste Ronchi dei Legionari-SFO San Francisco

20h 35m2 stops Rome Fiumicino Los Angeles

3:05 pm - 6:30 pmSFO San Francisco-TRS Trieste Ronchi dei Legionari

18h 25m1 stop Rome Fiumicino

$571Multiple Airlines

Wed, Nov 11 - Sat, Dec 5

7:15 pm - 1:10 pmTRS Trieste Ronchi dei Legionari-SFO San Francisco

26h 55m1 stop Rome Fiumicino

8:45 am - 2:30 pmSFO San Francisco-TRS Trieste Ronchi dei Legionari

20h 45m2 stops Los Angeles Rome Fiumicino

$764ITA Airways

Thu, Nov 12 - Sun, Dec 6

6:35 am - 1:10 pmTRS Trieste Ronchi dei Legionari-SFO San Francisco

15h 35m1 stop Rome Fiumicino

6:00 am - 6:30 pmSFO San Francisco-TRS Trieste Ronchi dei Legionari

27h 30m2 stops Washington, D.C. Dulles Intl Rome Fiumicino

$764ITA Airways

Wed, Nov 11 - Sun, Dec 6

7:15 pm - 1:10 pmTRS Trieste Ronchi dei Legionari-SFO San Francisco

26h 55m1 stop Rome Fiumicino

10:23 am - 6:30 pmSFO San Francisco-TRS Trieste Ronchi dei Legionari

23h 07m2 stops Los Angeles Rome Fiumicino

$764ITA Airways

Booking Insights

Price, demand and travel trends for Trieste to San Francisco flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Trieste to San Francisco? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Trieste to San Francisco departing in november.
What's the cheapest day of the week to fly from Trieste to San Francisco?: Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Trieste to San Francisco. It’s 28% cheaper than the average day, while Saturday is the most expensive, with prices 31% higher.

Find deals

Low season	November
High season	June
Cheapest flight	$564

Beat the crowds with an average 88% drop in travelers.

The most popular month to fly with an average 150% increase in travelers.

Round-trip flight from Trieste to San Francisco

When to book flights from Trieste to San Francisco

Are your dates flexible? Find out the best times to travel from Trieste to San Francisco based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Trieste to San Francisco?
Only Economy Class is available on flights from Trieste to San Francisco.
How long is a flight from Trieste to San Francisco?
A nonstop flight from Trieste to San Francisco takes 00m, covering 6,049 miles.
Do I need a passport to fly from Trieste to San Francisco?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How much should I expect to pay for a Trieste to San Francisco flight?
Round-trip flights from Trieste to San Francisco range from $668 to $1,056, with an average of $803 over the past 12 months. Anything below $668 counts as a good deal.
Have flight prices from Trieste to San Francisco changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $564 to $2,307. That means the highest observed fare was about 4x higher than the lowest one.
How are flight prices from Trieste to San Francisco looking right now?
One-way fares from Trieste to San Francisco are currently higher than usual. Average one-way flight prices are about $810, which is 18% above the typical average for this route.
What car rental options are available at San Francisco Airport (SFO)?
San Francisco Airport (SFO) hosts 5 major car rental companies, with daily rates averaging $63 for economy cars. Top options include:

• Europcar
• Thrifty
• Dollar
• Hertz
• Fox
Which airports can I use when flying from Trieste to San Francisco?
Flights from Trieste to San Francisco usually depart from Trieste Ronchi dei Legionari (TRS) and arrive at San Francisco (SFO).
Which airports do connecting flights from Trieste to San Francisco pass through?
Connecting flights from Trieste to San Francisco most commonly pass through:

• Rome Fiumicino (FCO) - 61% of one-stop connections
• Frankfurt am Main (FRA) - 39% of one-stop connections
Can I save money by using flexible dates for flights from Trieste to San Francisco?
Yes. Flexible dates can save you up to 45% on flights from Trieste to San Francisco. Tuesday is the cheapest departure day at $584 round-trip on average, while Saturday is the most expensive at $1,056, a difference of $472.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How much time can I save by choosing a different layover airport from Trieste to San Francisco?
Flying via Frankfurt am Main (FRA) gives the shortest average 1-stop total travel time at 15h 24m, compared with 16h 07m via Rome Fiumicino (FCO).
What is the time difference between Trieste and San Francisco?
San Francisco is 9 hours behind Trieste (Pacific Time vs Central European Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in San Francisco?
Some of the most popular sights in San Francisco are Fisherman's Wharf, Union Square and Moscone Center. These are among the most viewed places in San Francisco on KAYAK.

If your dates are flexible, aim for a Tuesday departure and avoid flying on Saturday. On this route, Tuesday flights average $584, about $472 less than Saturday fares (45% savings) based on the last 12 months.
If you can choose when to travel, plan your Trieste to San Francisco trip for October. Fares historically average $555 round-trip in that month - typically $450 less than the most expensive month, which is June (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to San Francisco Airport.

• Grand Hyatt At Sfo

More options for your flight from Trieste to San Francisco

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TRS - SFO

$564 Find Cheap Flights from Trieste to San Francisco - Compare and Save

Everything you should know

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

Recent round-trip flight deals from Trieste to San Francisco

Recent one-way flight deals from Trieste to San Francisco

Recent last minute flight deals from Trieste to San Francisco

Price, demand and travel trends for Trieste to San Francisco flights

How much is a round-trip flight from Trieste to San Francisco?

What's the cheapest day of the week to fly from Trieste to San Francisco?

Which airline is the cheapest to fly from Trieste to San Francisco?

What’s the most popular layover airport when flying from Trieste to San Francisco?

What is the cheapest layover airport when flying from Trieste to San Francisco?

When flying from Trieste to San Francisco which airport offers the shortest layover?

Key details for Trieste to San Francisco flights

Low season

High season

Cheapest flight

When to book flights from Trieste to San Francisco

Your Trieste to San Francisco flight questions, answered

Your guide to booking Trieste to San Francisco flights

More options for your flight from Trieste to San Francisco

Complete your trip to San Francisco with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Trieste to San Francisco

Find direct flights to and from Trieste and San Francisco

Flights from domestic origins to San Francisco

Flights to other popular destinations

Find deals for your return flight