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Cheap flights from Trieste to San Francisco from $527

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Trieste to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:15 am - 1:10 pmTRS  Trieste Ronchi dei Legionari-SFO San Francisco
34h 55m1 stop Rome Fiumicino
Multiple Airlines Logo
8:00 am - 6:30 pmSFO  San Francisco-TRS Trieste Ronchi dei Legionari
25h 30m2 stops Los Angeles Rome Fiumicino
$550Multiple Airlines
Mon, Nov 16 - Tue, Dec 1
ITA Airways Logo
7:15 pm - 1:10 pmTRS  Trieste Ronchi dei Legionari-SFO San Francisco
26h 55m1 stop Rome Fiumicino
ITA Airways Logo
3:05 pm - 10:55 pmSFO  San Francisco-TRS Trieste Ronchi dei Legionari
22h 50m1 stop Rome Fiumicino
$557ITA Airways
Mon, Nov 16 - Tue, Dec 1
Lufthansa Logo
6:20 am - 3:20 pmTRS  Trieste Ronchi dei Legionari-SFO San Francisco
18h 00m1 stop Frankfurt am Main
Lufthansa Logo
2:40 pm - 1:55 pmSFO  San Francisco-TRS Trieste Ronchi dei Legionari
14h 15m1 stop Frankfurt am Main
$583Lufthansa
Tue, Oct 6 - Mon, Oct 12
KLM Logo
6:35 am - 8:18 pmTRS  Trieste Ronchi dei Legionari-SFO San Francisco
22h 43m2 stops Rome Fiumicino Seattle/Tacoma Intl
KLM Logo
10:35 am - 2:30 pmSFO  San Francisco-TRS Trieste Ronchi dei Legionari
18h 55m2 stops Seattle/Tacoma Intl Rome Fiumicino
$587KLM
Tue, Oct 6 - Mon, Oct 12
Lufthansa Logo
6:20 am - 8:50 pmTRS  Trieste Ronchi dei Legionari-SFO San Francisco
23h 30m2 stops Frankfurt am Main Washington, D.C. Dulles Intl
Lufthansa Logo
2:40 pm - 1:55 pmSFO  San Francisco-TRS Trieste Ronchi dei Legionari
14h 15m1 stop Frankfurt am Main
$589Lufthansa
Tue, Oct 6 - Mon, Oct 12
Air France Logo
6:35 am - 10:45 pmTRS  Trieste Ronchi dei Legionari-SFO San Francisco
25h 10m2 stops Rome Fiumicino Atlanta Hartsfield-Jackson
Air France Logo
7:00 am - 2:30 pmSFO  San Francisco-TRS Trieste Ronchi dei Legionari
22h 30m2 stops New York John F Kennedy Intl Rome Fiumicino
$595Air France
Mon, Nov 16 - Tue, Dec 1
United Airlines Logo
6:35 am - 9:29 pmTRS  Trieste Ronchi dei Legionari-SFO San Francisco
23h 54m2 stops Rome Fiumicino Washington, D.C. Dulles Intl
United Airlines Logo
9:30 pm - 10:25 amSFO  San Francisco-TRS Trieste Ronchi dei Legionari
27h 55m2 stops Newark Rome Fiumicino
$800United Airlines
Thu, Nov 12 - Mon, Nov 16
United Airlines Logo
6:35 am - 9:29 pmTRS  Trieste Ronchi dei Legionari-SFO San Francisco
23h 54m2 stops Rome Fiumicino Washington, D.C. Dulles Intl
United Airlines Logo
9:30 pm - 10:25 amSFO  San Francisco-TRS Trieste Ronchi dei Legionari
27h 55m2 stops Newark Rome Fiumicino
$801United Airlines
Thu, Nov 12 - Mon, Nov 16
ITA Airways Logo
6:35 am - 1:10 pmTRS  Trieste Ronchi dei Legionari-SFO San Francisco
15h 35m1 stop Rome Fiumicino
ITA Airways Logo
3:05 pm - 6:30 pmSFO  San Francisco-TRS Trieste Ronchi dei Legionari
18h 25m1 stop Rome Fiumicino
$850ITA Airways
Sun, Dec 27 - Thu, Jan 7
Multiple Airlines Logo
5:10 pm - 11:45 amTRS  Trieste Ronchi dei Legionari-SFO San Francisco
27h 35m2 stops Stockholm Arlanda Amsterdam Schiphol
Multiple Airlines Logo
1:45 pm - 10:25 pmSFO  San Francisco-TRS Trieste Ronchi dei Legionari
23h 40m3 stops Amsterdam Schiphol Stockholm Arlanda Frankfurt am Main
$881Multiple Airlines
Tue, Oct 6 - Mon, Oct 12

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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
Sep 14
TRS3:15 pmTrieste Ronchi dei Legionari
31h 00m
1 stop
SFO1:15 pmSan Francisco
Sep 20
SFO3:15 pmSan Francisco
14h 15m
1 stop
TRS2:30 pmTrieste Ronchi dei Legionari
$527
ITA Airways
Sep 17
TRS6:35 amTrieste Ronchi dei Legionari
15h 40m
1 stop
SFO1:15 pmSan Francisco
Sep 21
SFO3:15 pmSan Francisco
22h 40m
1 stop
TRS10:55 pmTrieste Ronchi dei Legionari
$529
ITA Airways
Sep 14
TRS3:15 pmTrieste Ronchi dei Legionari
31h 00m
1 stop
SFO1:15 pmSan Francisco
Sep 20
SFO3:15 pmSan Francisco
14h 15m
1 stop
TRS2:30 pmTrieste Ronchi dei Legionari
$557

United Airlines flights from Trieste to San Francisco

Our best United Airlines deals on Trieste to San Francisco flight tickets
United Airlines
Nov 12
TRS6:35 amTrieste Ronchi dei Legionari
23h 54m
2 stops
SFO9:29 pmSan Francisco
Nov 16
SFO9:30 pmSan Francisco
27h 55m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
$800
United Airlines
Nov 12
TRS6:35 amTrieste Ronchi dei Legionari
23h 54m
2 stops
SFO9:29 pmSan Francisco
Nov 16
SFO9:30 pmSan Francisco
27h 55m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
$801
United Airlines
Dec 30
TRS6:35 amTrieste Ronchi dei Legionari
23h 58m
2 stops
SFO9:33 pmSan Francisco
Jan 9
SFO10:50 pmSan Francisco
26h 35m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
$1,161

momondo Fare Finder

 
Use the filters below to find and compare flights from Trieste to San Francisco that are best for you.

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Price

Cheapest round-trip

TriesteSan Francisco

TRS Trieste Ronchi dei Legionari - SFO San Francisco

TRSSFO

Trieste Ronchi dei Legionari

Mon 11/16

11:15 am-1:10 pm

1 stop34h 55m

San Francisco

Tue 12/1

8:00 am-6:30 pm

2 stops25h 30m

$550

TriesteSan Francisco

TRS Trieste Ronchi dei Legionari - SFO San Francisco

TRSSFO

Trieste Ronchi dei Legionari

Mon 11/16

7:15 pm-1:10 pm

1 stop26h 55m

San Francisco

Tue 12/1

3:05 pm-10:55 pm

1 stop22h 50m

$557
Quickest round-trip

TriesteSan Francisco

TRS Trieste Ronchi dei Legionari - SFO San Francisco

TRSSFO

Trieste Ronchi dei Legionari

Tue 10/6

6:20 am-3:20 pm

1 stop18h 00m

San Francisco

Mon 10/12

2:40 pm-1:55 pm

1 stop14h 15m

$583

TriesteSan Francisco

TRS Trieste Ronchi dei Legionari - SFO San Francisco

TRSSFO

Trieste Ronchi dei Legionari

Tue 10/6

6:35 am-8:18 pm

2 stops22h 43m

San Francisco

Mon 10/12

10:35 am-2:30 pm

2 stops18h 55m

$587

TriesteSan Francisco

TRS Trieste Ronchi dei Legionari - SFO San Francisco

TRSSFO

Trieste Ronchi dei Legionari

Tue 10/6

6:20 am-8:50 pm

2 stops23h 30m

San Francisco

Mon 10/12

2:40 pm-1:55 pm

1 stop14h 15m

$589

TriesteSan Francisco

TRS Trieste Ronchi dei Legionari - SFO San Francisco

TRSSFO

Trieste Ronchi dei Legionari

Mon 11/16

6:35 am-10:45 pm

2 stops25h 10m

San Francisco

Tue 12/1

7:00 am-2:30 pm

2 stops22h 30m

$595

TriesteSan Francisco

TRS Trieste Ronchi dei Legionari - SFO San Francisco

TRSSFO

Trieste Ronchi dei Legionari

Thu 11/12

6:35 am-9:29 pm

2 stops23h 54m

San Francisco

Mon 11/16

9:30 pm-10:25 am

2 stops27h 55m

$800

TriesteSan Francisco

TRS Trieste Ronchi dei Legionari - SFO San Francisco

TRSSFO

Trieste Ronchi dei Legionari

Thu 11/12

6:35 am-9:29 pm

2 stops23h 54m

San Francisco

Mon 11/16

9:30 pm-10:25 am

2 stops27h 55m

$801

TriesteSan Francisco

TRS Trieste Ronchi dei Legionari - SFO San Francisco

TRSSFO

Trieste Ronchi dei Legionari

Sun 12/27

6:35 am-1:10 pm

1 stop15h 35m

San Francisco

Thu 1/7

3:05 pm-6:30 pm

1 stop18h 25m

$850

TriesteSan Francisco

TRS Trieste Ronchi dei Legionari - SFO San Francisco

TRSSFO

Trieste Ronchi dei Legionari

Tue 10/6

5:10 pm-11:45 am

2 stops27h 35m

San Francisco

Mon 10/12

1:45 pm-10:25 pm

3 stops23h 40m

$881

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to San Francisco from

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 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 $526 to $658.
The lowest price recently found on this route was $550.

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $571.

Can stopping save me money on Trieste to San Francisco flights?

You could potentially save up to 34% on your flight if you consider stops on a Trieste to San Francisco flight.

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 round-trip 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

$1,904

Fastest flight time

15h 40m

Direct flights

None
The best one-way flight to San Francisco from Trieste in the past 72 hours is $1,904. The best round-trip flight deal from Trieste to San Francisco found on momondo in the last 72 hours is $550.
The fastest flight from Trieste to San Francisco takes 15h 40m
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?

    A flight from Trieste Ronchi dei Legionari to San Francisco will travel around 6057.7 mi. A reasonable flight in good conditions will take 15h 40m.

  • 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 license 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.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
South San Francisco
Bodega Bay
Hayward
Fremont
Berkeley
Walnut Creek
Santa Clara
Sunnyvale
Vallejo
Salinas
Roseville
Half Moon Bay
Sonoma
Daly City
Milpitas
Marina
Pacific Grove

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Trieste to San Francisco. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Trieste to San Francisco on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Trieste and San Francisco by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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.

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