What is the cheapest airline that flies from Trieste Ronchi dei Legionari to San Francisco?

United Airlines is the most popular carrier operating from Trieste Ronchi dei Legionari to San Francisco

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.

R9 480 Cheap Flights from Trieste to San Francisco in 2026

Find the cheapest flights from Trieste to San Francisco

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One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

6:35 - 20:18TRS Trieste Ronchi dei Legionari-SFO San Francisco

22h 43m2 stops Rome Fiumicino Seattle/Tacoma Intl

10:35 - 14:30SFO San Francisco-TRS Trieste Ronchi dei Legionari

18h 55m2 stops Seattle/Tacoma Intl Rome Fiumicino

R9 480KLM

Tue, Oct 6 - Mon, Oct 12

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

R12 904United Airlines

Thu, Nov 12 - Mon, Nov 16

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

R12 920United Airlines

Thu, Nov 12 - Mon, Nov 16

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

R12 936United Airlines

Thu, Nov 12 - Mon, Nov 16

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

R13 727ITA Airways

Sun, Dec 27 - Thu, Jan 7

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

R14 390ITA Airways

Tue, Dec 29 - Thu, Jan 7

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

R15 213ITA Airways

Sun, Dec 27 - Tue, Jan 5

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

R15 859ITA Airways

Tue, Dec 29 - Tue, Jan 5

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

15h 35m1 stop Rome Fiumicino

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

22h 40m1 stop Rome Fiumicino

R17 749ITA Airways

Thu, Dec 31 - Thu, Jun 10

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

15h 35m1 stop Rome Fiumicino

12:00 - 14:30SFO San Francisco-TRS Trieste Ronchi dei Legionari

17h 30m2 stops Los Angeles Los Angeles Rome Fiumicino

R18 282ITA Airways

Sun, Dec 27 - Fri, Jan 8

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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 27

TRS6:35Trieste Ronchi dei Legionari

15h 35m

1 stop

SFO13:10San Francisco

Jan 7

SFO15:05San Francisco

18h 25m

1 stop

TRS18:30Trieste Ronchi dei Legionari

R13 727

ITA Airways

Dec 29

TRS6:35Trieste Ronchi dei Legionari

15h 35m

1 stop

SFO13:10San Francisco

Jan 7

SFO15:05San Francisco

22h 50m

1 stop

TRS22:55Trieste Ronchi dei Legionari

R14 390

ITA Airways

Dec 27

TRS6:35Trieste Ronchi dei Legionari

15h 35m

1 stop

SFO13:10San Francisco

Jan 5

SFO15:05San Francisco

22h 50m

1 stop

TRS22:55Trieste Ronchi dei Legionari

R15 213

TAP AIR PORTUGAL flights from Trieste to San Francisco

Our best TAP AIR PORTUGAL deals on Trieste to San Francisco flight tickets

TAP AIR PORTUGAL

Dec 31

TRS15:15Trieste Ronchi dei Legionari

33h 50m

2 stops

SFO16:05San Francisco

Jan 8

SFO19:15San Francisco

34h 15m

2 stops

TRS14:30Trieste Ronchi dei Legionari

R24 241

TAP AIR PORTUGAL

Dec 31

TRS11:15Trieste Ronchi dei Legionari

37h 50m

2 stops

SFO16:05San Francisco

Jun 8

SFO20:15San Francisco

41h 40m

3 stops

TRS22:55Trieste Ronchi dei Legionari

R25 937

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

TriesteSan Francisco

TRS Trieste Ronchi dei Legionari - SFO San Francisco

TRSSFO

Trieste Ronchi dei Legionari

Tue 6/10

6:35-20:18

2 stops22h 43m

San Francisco

Mon 12/10

10:35-14:30

2 stops18h 55m

R9 480

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

R12 904

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

R12 920

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

R12 936

TriesteSan Francisco

TRS Trieste Ronchi dei Legionari - SFO San Francisco

TRSSFO

Trieste Ronchi dei Legionari

Sun 27/12

6:35-13:10

1 stop15h 35m

San Francisco

Thu 7/1

15:05-18:30

1 stop18h 25m

R13 727

TriesteSan Francisco

TRS Trieste Ronchi dei Legionari - SFO San Francisco

TRSSFO

Trieste Ronchi dei Legionari

Tue 29/12

6:35-13:10

1 stop15h 35m

San Francisco

Thu 7/1

15:05-22:55

1 stop22h 50m

R14 390

TriesteSan Francisco

TRS Trieste Ronchi dei Legionari - SFO San Francisco

TRSSFO

Trieste Ronchi dei Legionari

Sun 27/12

6:35-13:10

1 stop15h 35m

San Francisco

Tue 5/1

15:05-22:55

1 stop22h 50m

R15 213

TriesteSan Francisco

TRS Trieste Ronchi dei Legionari - SFO San Francisco

TRSSFO

Trieste Ronchi dei Legionari

Tue 29/12

6:35-13:10

1 stop15h 35m

San Francisco

Tue 5/1

15:05-18:30

1 stop18h 25m

R15 859

TriesteSan Francisco

TRS Trieste Ronchi dei Legionari - SFO San Francisco

TRSSFO

Trieste Ronchi dei Legionari

Thu 31/12

6:35-13:10

1 stop15h 35m

San Francisco

Thu 10/6

15:15-22:55

1 stop22h 40m

R17 749

Fastest return journey

TriesteSan Francisco

TRS Trieste Ronchi dei Legionari - SFO San Francisco

TRSSFO

Trieste Ronchi dei Legionari

Sun 27/12

6:35-13:10

1 stop15h 35m

San Francisco

Fri 8/1

12:00-14:30

2 stops17h 30m

R18 282

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted 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

Prices

Airlines

What is the typical price of a round-trip flight between Trieste and San Francisco?

Prices are currently typical for flights on this route.

Typical prices usually range from R8 495 to R10 627.
The lowest price recently found on this route was R9 480.

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 222.

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	R31 977
Direct flights	None

The best one-way flight to San Francisco from Trieste in the past 72 hours is R31 977. The best return flight deal from Trieste to San Francisco found on momondo in the last 72 hours is R9 480.

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

Search flight deals

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

Berkeley

Menlo Park

Rancho Cordova

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.