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Cheap flights from Trieste to California from $543

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Trieste to California departing on 2/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
ITA Airways Logo
6:35 am - 1:30 pmTRS-LAX
15h 55m1 stop
ITA Airways Logo
3:20 pm - 2:30 pmLAX-TRS
14h 10m1 stop
$543ITA Airways
Find Deal
Wed, Feb 18 - Sat, Feb 28
ITA Airways Logo
6:35 am - 1:30 pmTRS-LAX
15h 55m1 stop
ITA Airways Logo
3:20 pm - 10:25 amLAX-TRS
34h 05m1 stop
$548ITA Airways
Find Deal
Wed, Feb 18 - Sat, Feb 28
ITA Airways Logo
7:35 am - 1:30 pmTRS-LAX
62h 55m2 stops
ITA Airways Logo
3:20 pm - 10:25 amLAX-TRS
34h 05m1 stop
$553ITA Airways
Find Deal
Wed, Feb 18 - Sat, Feb 28
ITA Airways Logo
6:35 am - 1:30 pmTRS-LAX
15h 55m1 stop
ITA Airways Logo
3:20 pm - 10:25 amLAX-TRS
34h 05m1 stop
$555ITA Airways
Find Deal
Wed, Feb 18 - Sat, Feb 28
Lufthansa Logo
6:15 am - 3:55 pmTRS-SFO
18h 40m1 stop
Lufthansa Logo
8:25 am - 2:00 pmSFO-TRS
21h 35m2 stops
$661Lufthansa
Find Deal
Thu, Mar 5 - Mon, Mar 9
Lufthansa Logo
6:15 am - 3:55 pmTRS-SFO
18h 40m1 stop
Lufthansa Logo
8:40 am - 2:00 pmSFO-TRS
21h 20m2 stops
$663Lufthansa
Find Deal
Thu, Mar 5 - Mon, Mar 9
Multiple Airlines Logo
2:50 pm - 8:10 pmTRS-SFO
14h 20m1 stop
Multiple Airlines Logo
1:35 pm - 2:05 pmSFO-TRS
15h 30m1 stop
$680Multiple Airlines
Find Deal
Thu, Nov 20 - Thu, Nov 27
Multiple Airlines Logo
11:15 am - 5:33 pmTRS-SFO
39h 18m2 stops
Multiple Airlines Logo
3:05 pm - 10:55 pmSFO-TRS
22h 50m1 stop
$712Multiple Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 27
United Airlines Logo
6:35 am - 7:54 pmTRS-SNA
22h 19m2 stops
United Airlines Logo
6:50 am - 10:25 amSNA-TRS
42h 35m3 stops
$1,202United Airlines
Find Deal
Thu, Feb 19 - Mon, Feb 23
United Airlines Logo
6:35 am - 7:54 pmTRS-SNA
22h 19m2 stops
United Airlines Logo
6:50 am - 10:25 amSNA-TRS
42h 35m3 stops
$1,203United Airlines
Find Deal
Thu, Feb 19 - Mon, Feb 23

ITA Airways flights from Trieste to California

Our best ITA Airways deals on Trieste to California flight tickets
ITA Airways
Feb 18
TRS6:35 amTrieste Ronchi dei Legionari
15h 55m
1 stop
LAX1:30 pmLos Angeles
Feb 28
LAX3:20 pmLos Angeles
14h 10m
1 stop
TRS2:30 pmTrieste Ronchi dei Legionari
$543
Find similar
ITA Airways
Feb 18
TRS6:35 amTrieste Ronchi dei Legionari
15h 55m
1 stop
LAX1:30 pmLos Angeles
Feb 28
LAX3:20 pmLos Angeles
34h 05m
1 stop
TRS10:25 amTrieste Ronchi dei Legionari
$548
Find similar
ITA Airways
Feb 18
TRS7:35 amTrieste Ronchi dei Legionari
62h 55m
2 stops
LAX1:30 pmLos Angeles
Feb 28
LAX3:20 pmLos Angeles
34h 05m
1 stop
TRS10:25 amTrieste Ronchi dei Legionari
$553
Find similar

Lufthansa flights from Trieste to California

Our best Lufthansa deals on Trieste to California flight tickets
Lufthansa
Mar 5
TRS6:15 amTrieste Ronchi dei Legionari
18h 40m
1 stop
SFO3:55 pmSan Francisco
Mar 9
SFO8:25 amSan Francisco
21h 35m
2 stops
TRS2:00 pmTrieste Ronchi dei Legionari
$661
Find similar
Lufthansa
Mar 5
TRS6:15 amTrieste Ronchi dei Legionari
18h 40m
1 stop
SFO3:55 pmSan Francisco
Mar 9
SFO8:40 amSan Francisco
21h 20m
2 stops
TRS2:00 pmTrieste Ronchi dei Legionari
$663
Find similar
Lufthansa
Feb 19
TRS6:15 amTrieste Ronchi dei Legionari
24h 30m
2 stops
SNA9:45 pmSanta Ana J. Wayne/Orange Cnty
Feb 23
SNA3:45 pmSanta Ana J. Wayne/Orange Cnty
45h 55m
2 stops
TRS10:40 pmTrieste Ronchi dei Legionari
$666
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Trieste to California that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 6, 2025.
Use the filters below to find and compare flights from Trieste to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TriesteLos Angeles

TRS - LAX

TRSLAX

Trieste Ronchi dei Legionari

Wed 2/18

6:35 am-1:30 pm

1 stop15h 55m

Los Angeles

Sat 2/28

3:20 pm-2:30 pm

1 stop14h 10m

$543

TriesteLos Angeles

TRS - LAX

TRSLAX

Trieste Ronchi dei Legionari

Wed 2/18

6:35 am-1:30 pm

1 stop15h 55m

Los Angeles

Sat 2/28

3:20 pm-10:25 am

1 stop34h 05m

$548

TriesteLos Angeles

TRS - LAX

TRSLAX

Trieste Ronchi dei Legionari

Wed 2/18

7:35 am-1:30 pm

2 stops62h 55m

Los Angeles

Sat 2/28

3:20 pm-10:25 am

1 stop34h 05m

$553

TriesteLos Angeles

TRS - LAX

TRSLAX

Trieste Ronchi dei Legionari

Wed 2/18

6:35 am-1:30 pm

1 stop15h 55m

Los Angeles

Sat 2/28

3:20 pm-10:25 am

1 stop34h 05m

$555

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

Thu 3/5

6:15 am-3:55 pm

1 stop18h 40m

San Francisco

Mon 3/9

8:25 am-2:00 pm

2 stops21h 35m

$661

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

Thu 3/5

6:15 am-3:55 pm

1 stop18h 40m

San Francisco

Mon 3/9

8:40 am-2:00 pm

2 stops21h 20m

$663

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

Thu 11/20

2:50 pm-8:10 pm

1 stop14h 20m

San Francisco

Thu 11/27

1:35 pm-2:05 pm

1 stop15h 30m

$680

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

Sat 12/6

11:15 am-5:33 pm

2 stops39h 18m

San Francisco

Sat 12/27

3:05 pm-10:55 pm

1 stop22h 50m

$712

TriesteSanta Ana

TRS - SNA

TRSSNA

Trieste Ronchi dei Legionari

Thu 2/19

6:35 am-7:54 pm

2 stops22h 19m

Santa Ana J. Wayne/Orange Cnty

Mon 2/23

6:50 am-10:25 am

3 stops42h 35m

$1,202

TriesteSanta Ana

TRS - SNA

TRSSNA

Trieste Ronchi dei Legionari

Thu 2/19

6:35 am-7:54 pm

2 stops22h 19m

Santa Ana J. Wayne/Orange Cnty

Mon 2/23

6:50 am-10:25 am

3 stops42h 35m

$1,203

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to California from

How to get the cheapest flight ticket from Trieste to California

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 California?

The month of April is another great option to travel to California, with average flight prices from Trieste averaging around $537.

What is the cheapest day to depart on your flight to California?

The cheapest day to depart from Trieste to California is on a Thursday. Travelers who choose to depart for California on a Thursday will often find tickets for as low as $541. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to California on Monday is $734.

What is the cheapest time of day to depart on your flight to California?

The cheapest time of day to fly to California is in the evening when flights can be purchased for as low as $581. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $674 on average. Flights to California from Trieste in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Trieste to California flights?

You could potentially save up to 5% on your flight if you consider stops on a Trieste to California flight.

Cheap Trieste to California flight deals and tips

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

Direct flights

None
There are no direct flights from Trieste to California. There are no popular flight routes from Trieste to California.
Search flight deals

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

    Prices for flights from Trieste Ronchi dei Legionari Airport to California refresh daily.

  • How many operators does momondo search for flights from Trieste Ronchi dei Legionari Airport to California?

  • How old do you have to be to fly from Trieste Ronchi dei Legionari Airport to California?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Trieste Ronchi dei Legionari Airport to California.

  • What documentation or ID do you need to fly to California?

    The required travel and health documents for your California 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 California. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Trieste to California

Compare and see reviews for airlines that fly from Trieste to California with momondo
Airline
Rating
Free Cancellation
Price
ITA AirwaysPriceFrom $512Free CancellationRating
6.7
1,081 reviews
Search ITA Airways flights

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for Trieste to California flights to just show those with flexible booking policies.

How can momondo help me find flights from Trieste to California?

momondo provides multiple filters to help you find the best flight to California from Trieste. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to California, momondo offers a useful price alert feature which will track prices for flights to California from Trieste and alert you when they change.

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