When did momondo last update prices for flights from Trieste Ronchi dei Legionari Airport to San Francisco Airport?

Prices for flights from Trieste Ronchi dei Legionari Airport to San Francisco Airport were last updated today.

How old do you have to be to fly from Trieste Ronchi dei Legionari Airport to San Francisco Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Trieste Ronchi dei Legionari Airport to San Francisco Airport.

What documentation or ID do you need to fly to San Francisco Airport?

The required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

R16 324 Cheap Flights from Trieste to San Francisco in 2026/27

Find the cheapest flights from Trieste to San Francisco

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6:35 - 13:10TRS Trieste Ronchi dei Legionari-SFO San Francisco

15h 35m1 stop Rome Fiumicino

15:05 - 18:30SFO San Francisco-TRS Trieste Ronchi dei Legionari

18h 25m1 stop Rome Fiumicino

R16 324ITA Airways

Thu, Dec 17 - Tue, Jan 5

6:35 - 20:08TRS Trieste Ronchi dei Legionari-SFO San Francisco

22h 33m2 stops Rome Fiumicino Los Angeles

15:05 - 18:30SFO San Francisco-TRS Trieste Ronchi dei Legionari

18h 25m1 stop Rome Fiumicino

R17 242Multiple Airlines

Thu, Dec 17 - Tue, Jan 5

6:35 - 13:10TRS Trieste Ronchi dei Legionari-SFO San Francisco

15h 35m1 stop Rome Fiumicino

15:05 - 22:55SFO San Francisco-TRS Trieste Ronchi dei Legionari

22h 50m1 stop Rome Fiumicino

R19 712ITA Airways

Thu, Dec 17 - Sun, Jan 3

6:35 - 20:08TRS Trieste Ronchi dei Legionari-SFO San Francisco

22h 33m2 stops Rome Fiumicino Los Angeles

15:05 - 14:30SFO San Francisco-TRS Trieste Ronchi dei Legionari

14h 25m1 stop Rome Fiumicino

R19 796Multiple Airlines

Thu, Dec 17 - Sun, Jan 3

6:35 - 20:08TRS Trieste Ronchi dei Legionari-SFO San Francisco

22h 33m2 stops Rome Fiumicino Los Angeles

6:01 - 10:25SFO San Francisco-TRS Trieste Ronchi dei Legionari

19h 24m2 stops Washington, D.C. Dulles Intl Rome Fiumicino

R21 982Multiple Airlines

Thu, Dec 17 - Tue, Jan 5

6:35 - 17:35TRS Trieste Ronchi dei Legionari-SFO San Francisco

20h 00m2 stops Rome Fiumicino Chicago O'Hare Intl

5:00 - 10:25SFO San Francisco-TRS Trieste Ronchi dei Legionari

20h 25m2 stops Chicago O'Hare Intl Rome Fiumicino

R23 017United Airlines

Thu, Dec 17 - Sun, Jan 3

6:35 - 20:03TRS Trieste Ronchi dei Legionari-SFO San Francisco

22h 28m2 stops Rome Fiumicino Toronto Pearson Intl

5:00 - 10:25SFO San Francisco-TRS Trieste Ronchi dei Legionari

20h 25m2 stops Chicago O'Hare Intl Rome Fiumicino

R29 710United Airlines

Mon, Nov 23 - Mon, Nov 30

6:35 - 21:29TRS Trieste Ronchi dei Legionari-SFO San Francisco

23h 54m2 stops Rome Fiumicino Washington, D.C. Dulles Intl

21:30 - 10:25SFO San Francisco-TRS Trieste Ronchi dei Legionari

27h 55m2 stops Newark Rome Fiumicino

R35 953United Airlines

Thu, Nov 12 - Mon, Nov 16

6:35 - 21:24TRS Trieste Ronchi dei Legionari-SFO San Francisco

23h 49m2 stops Rome Fiumicino Chicago O'Hare Intl

16:30 - 10:25SFO San Francisco-TRS Trieste Ronchi dei Legionari

32h 55m2 stops Newark Rome Fiumicino

R35 970United Airlines

Thu, Nov 12 - Mon, Nov 16

6:35 - 21:24TRS Trieste Ronchi dei Legionari-SFO San Francisco

23h 49m2 stops Rome Fiumicino Chicago O'Hare Intl

16:30 - 10:25SFO San Francisco-TRS Trieste Ronchi dei Legionari

32h 55m2 stops Newark Rome Fiumicino

R35 986United Airlines

Thu, Nov 12 - Mon, Nov 16

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ITA Airways flights from Trieste to San Francisco

Our best ITA Airways deals on Trieste to San Francisco flight tickets

ITA Airways

Dec 17

TRS6:35Trieste Ronchi dei Legionari

15h 35m

1 stop

SFO13:10San Francisco

Jan 5

SFO15:05San Francisco

18h 25m

1 stop

TRS18:30Trieste Ronchi dei Legionari

R16 324

ITA Airways

Dec 17

TRS6:35Trieste Ronchi dei Legionari

15h 35m

1 stop

SFO13:10San Francisco

Jan 3

SFO15:05San Francisco

22h 50m

1 stop

TRS22:55Trieste Ronchi dei Legionari

R19 712

United Airlines flights from Trieste to San Francisco

Our best United Airlines deals on Trieste to San Francisco flight tickets

United Airlines

Dec 17

TRS6:35Trieste Ronchi dei Legionari

20h 00m

2 stops

SFO17:35San Francisco

Jan 3

SFO5:00San Francisco

20h 25m

2 stops

TRS10:25Trieste Ronchi dei Legionari

R23 017

United Airlines

Nov 23

TRS6:35Trieste Ronchi dei Legionari

22h 28m

2 stops

SFO20:03San Francisco

Nov 30

SFO5:00San Francisco

20h 25m

2 stops

TRS10:25Trieste Ronchi dei Legionari

R29 710

United Airlines

Nov 12

TRS6:35Trieste Ronchi dei Legionari

23h 54m

2 stops

SFO21:29San Francisco

Nov 16

SFO21:30San Francisco

27h 55m

2 stops

TRS10:25Trieste Ronchi dei Legionari

R35 953

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

TriesteSan Francisco

TRS Trieste Ronchi dei Legionari - SFO San Francisco

TRSSFO

Trieste Ronchi dei Legionari

Thu 17/12

6:35-13:10

1 stop15h 35m

San Francisco

Tue 5/1

15:05-18:30

1 stop18h 25m

R16 324

TriesteSan Francisco

TRS Trieste Ronchi dei Legionari - SFO San Francisco

TRSSFO

Trieste Ronchi dei Legionari

Thu 17/12

6:35-20:08

2 stops22h 33m

San Francisco

Tue 5/1

15:05-18:30

1 stop18h 25m

R17 242

TriesteSan Francisco

TRS Trieste Ronchi dei Legionari - SFO San Francisco

TRSSFO

Trieste Ronchi dei Legionari

Thu 17/12

6:35-13:10

1 stop15h 35m

San Francisco

Sun 3/1

15:05-22:55

1 stop22h 50m

R19 712

TriesteSan Francisco

TRS Trieste Ronchi dei Legionari - SFO San Francisco

TRSSFO

Trieste Ronchi dei Legionari

Thu 17/12

6:35-20:08

2 stops22h 33m

San Francisco

Sun 3/1

15:05-14:30

1 stop14h 25m

R19 796

TriesteSan Francisco

TRS Trieste Ronchi dei Legionari - SFO San Francisco

TRSSFO

Trieste Ronchi dei Legionari

Thu 17/12

6:35-20:08

2 stops22h 33m

San Francisco

Tue 5/1

6:01-10:25

2 stops19h 24m

R21 982

TriesteSan Francisco

TRS Trieste Ronchi dei Legionari - SFO San Francisco

TRSSFO

Trieste Ronchi dei Legionari

Thu 17/12

6:35-17:35

2 stops20h 00m

San Francisco

Sun 3/1

5:00-10:25

2 stops20h 25m

R23 017

TriesteSan Francisco

TRS Trieste Ronchi dei Legionari - SFO San Francisco

TRSSFO

Trieste Ronchi dei Legionari

Mon 23/11

6:35-20:03

2 stops22h 28m

San Francisco

Mon 30/11

5:00-10:25

2 stops20h 25m

R29 710

TriesteSan Francisco

TRS Trieste Ronchi dei Legionari - SFO San Francisco

TRSSFO

Trieste Ronchi dei Legionari

Thu 12/11

6:35-21:29

2 stops23h 54m

San Francisco

Mon 16/11

21:30-10:25

2 stops27h 55m

R35 953

TriesteSan Francisco

TRS Trieste Ronchi dei Legionari - SFO San Francisco

TRSSFO

Trieste Ronchi dei Legionari

Thu 12/11

6:35-21:24

2 stops23h 49m

San Francisco

Mon 16/11

16:30-10:25

2 stops32h 55m

R35 970

TriesteSan Francisco

TRS Trieste Ronchi dei Legionari - SFO San Francisco

TRSSFO

Trieste Ronchi dei Legionari

Thu 12/11

6:35-21:24

2 stops23h 49m

San Francisco

Mon 16/11

16:30-10:25

2 stops32h 55m

R35 986

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Trieste to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Francisco?

If you’re not able to fly to San Francisco in October, then September is your next best option. Flight prices from Trieste to San Francisco during September average around R9 531.

When to book flights from Trieste to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Trieste to San Francisco according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Trieste to San Francisco (TRS to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Trieste to San Francisco

Best price found	R16 324
Direct flights	None

The best flight deal from Trieste to San Francisco found on momondo in the last 72 hours is R16 324

There are no direct flights from Trieste to San Francisco. There are no popular flight routes from Trieste to San Francisco.

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Frequently asked questions about flying from Trieste to San Francisco

How far is Trieste Ronchi dei Legionari to San Francisco by plane?
San Francisco is 9748,8 km away from Trieste Ronchi dei Legionari.
When did momondo last update prices for flights from Trieste Ronchi dei Legionari Airport to San Francisco Airport?
Prices for flights from Trieste Ronchi dei Legionari Airport to San Francisco Airport were last updated today.
How old do you have to be to fly from Trieste Ronchi dei Legionari Airport to San Francisco Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Trieste Ronchi dei Legionari Airport to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Emeryville

Guerneville

Menlo Park

Berkeley

Redwood City

Why use momondo?

Why should I use momondo to find a flight deal from Trieste to San Francisco?

Finding the right flight to San Francisco from Trieste is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Francisco quick and easy, saving you time and money.

Can I find flights from Trieste to San Francisco with flexible booking policies on momondo?

Flights from Trieste to San Francisco with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Trieste to San Francisco?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Francisco from Trieste.

I’m not ready to book a flight from Trieste to San Francisco right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Trieste to San Francisco now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Francisco and let you know when they change.