HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
California

$571+ Cheap flights from Trieste (TRS) to California

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
TRS — LAX
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Trieste to California with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Trieste to California

Keep the following information in mind while searching for Trieste to California flight deals. Data was last updated octubre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$571
(oojo)

Popular in

September

Cheapest in

March

Average price

$573
Provider with most accurate pricing for Trieste Ronchi dei Legionari-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Trieste Ronchi dei Legionari-Los Angeles flights.
Search Deals
From Trieste Ronchi dei Legionari to California
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find flight deals from Trieste to California

Cheapest flights from Trieste to California
Explore the most affordable flight options available from Trieste to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 2025.

This Gotogate deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/25:35 amTRS - LAX
1 stop15h 55mITA Airways
sáb. 11/83:20 pmLAX - TRS
1 stop22h 35mITA Airways
Deal found 10/30$625
This lol.travel deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/611:15 amTRS - LAX
1 stop35h 15mITA Airways
mié. 11/123:20 pmLAX - TRS
1 stop22h 35mITA Airways
Deal found 10/29$626
This Gotogate deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/2111:15 amTRS - LAX
1 stop35h 15mITA Airways
mié. 11/263:20 pmLAX - TRS
1 stop22h 35mITA Airways
Deal found 10/30$627
This ITA Airways deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/226:35 amTRS - SFO
1 stop15h 30mITA Airways
sáb. 11/293:05 pmSFO - TRS
1 stop22h 50mITA Airways
Deal found 10/30$651
This Booking.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/216:25 amTRS - LAX
2 stops20h 18mLufthansa
mié. 11/262:22 pmLAX - TRS
2 stops23h 18mLufthansa
Deal found 10/30$702
This Lufthansa deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/172:40 pmTRS - SFO
1 stop14h 30mLufthansa
mar. 1/69:40 pmSFO - TRS
2 stops16h 00mLufthansa
Deal found 10/30$746
This oojo deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/176:35 amTRS - LAX
1 stop15h 55mITA Airways
mié. 1/73:20 pmLAX - TRS
1 stop14h 10mITA Airways
Deal found 10/29$815
This Cheapflightsfares deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/172:40 pmTRS - LAX
2 stops18h 49mLufthansa
mié. 1/78:33 amLAX - TRS
2 stops20h 37mLufthansa
Deal found 10/29$833
This Flysmarter deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/226:25 amTRS - LAS
2 stops21h 24mLufthansa
sáb. 12/61:01 pmLAS - TRS
2 stops16h 04mLufthansa
Deal found 10/30$875
This Gotogate deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/226:25 amTRS - LAS
2 stops25h 06mMultiple Airlines
vie. 11/289:10 amLAS - TRS
2 stops19h 55mMultiple Airlines
Deal found 10/30$894
This Gotogate deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/66:15 amTRS - LAX
2 stops19h 54mLufthansa
mié. 11/128:00 amLAX - TRS
2 stops21h 05mLufthansa
Deal found 10/29$910
This Air France deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/216:35 amTRS - LAS
2 stops24h 55mMultiple Airlines
sáb. 12/610:00 amLAS - TRS
2 stops19h 30mMultiple Airlines
Deal found 10/30$913

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated octubre 30, 2025.
Use the filters below to find and compare flights from Trieste to California that are best for you.

Fly from

Trieste

Fly to

California

Route

Depart

Return

Price

TriesteLos Angeles

TRS - LAX

TRSLAX

Trieste Ronchi dei Legionari

mié. 3/25

6:35 am-2:30 pm

1 stop15h 55m

Los Angeles

jue. 4/2

3:15 pm-10:55 pm

1 stop22h 40m

$571

TriesteLos Angeles

TRS - LAX

TRSLAX

Trieste Ronchi dei Legionari

jue. 3/26

1:05 pm-2:30 pm

2 stops33h 25m

Los Angeles

lun. 3/30

3:15 pm-10:55 pm

1 stop22h 40m

$617

TriesteLos Angeles

TRS - LAX

TRSLAX

Trieste Ronchi dei Legionari

vie. 11/21

11:15 am-1:30 pm

1 stop35h 15m

Los Angeles

mié. 11/26

3:20 pm-10:55 pm

1 stop22h 35m

$627

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

jue. 3/5

6:35 am-1:05 pm

1 stop15h 30m

San Francisco

lun. 3/9

4:05 pm-6:30 pm

1 stop18h 25m

$648

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

sáb. 11/22

6:35 am-1:05 pm

1 stop15h 30m

San Francisco

sáb. 11/29

3:05 pm-10:55 pm

1 stop22h 50m

$651

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

sáb. 1/24

6:25 am-3:55 pm

1 stop18h 30m

San Francisco

sáb. 2/7

1:35 pm-2:05 pm

1 stop15h 30m

$662

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

jue. 3/5

2:50 pm-8:10 pm

1 stop14h 20m

San Francisco

lun. 3/9

8:40 am-2:00 pm

2 stops21h 20m

$665

TriesteLos Angeles

TRS - LAX

TRSLAX

Trieste Ronchi dei Legionari

mié. 3/25

2:40 pm-12:31 am

2 stops17h 51m

Los Angeles

jue. 4/2

8:40 am-1:55 pm

2 stops20h 15m

$667

TriesteLos Angeles

TRS - LAX

TRSLAX

Trieste Ronchi dei Legionari

vie. 11/21

6:25 am-5:43 pm

2 stops20h 18m

Los Angeles

mié. 11/26

2:22 pm-10:40 pm

2 stops23h 18m

$702

TriesteSanta Ana

TRS - SNA

TRSSNA

Trieste Ronchi dei Legionari

jue. 2/19

6:15 am-8:50 pm

2 stops23h 35m

Santa Ana J. Wayne/Orange Cnty

lun. 2/23

6:35 pm-10:40 pm

2 stops43h 05m

$773

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 25 results
1
2
3

Best time to book a flight from Trieste to California

Have a flexible travel schedule? Discover the best time to fly to California from Trieste with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Trieste to California

What is the cheapest month to book a flight from Trieste to California?

Currently, October is the cheapest month in which you can book a flight from Trieste to California (average of $449). Flying from Trieste to California in July is currently the most expensive (average of $647). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from TRS to CA?

Find hourly flight availability from Trieste to California. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 30, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 28% on flights from Trieste to California by exploring options for tickets in the afternoon.

How much does it cost to fly round-trip from Trieste to California?

Reviews of airlines servicing California

Get insights into the airlines that provide service to California. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to California. Reviews last updated octubre 30, 2025.
Get a feel of what it's like to fly with ITA Airways from Trieste to California by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
ITA Airways
6.7
Okay
1,078 reviews

Comfort

6.7

Entertainment

6.2

Crew

7.3

Overall

6.7

Boarding

6.9

Food

6.0

Reviews

1 / 20
4.0
Okay

Anonymous,Oct 2025

FCO - LAX

Not great overall. Almost every flight was delayed, the last one by 4.5 hours. Food and service were both mediocre. And the process was largely disorganized.
ITA Airways
6.7
Okay
1,078 reviews
ITA Airways
6.7
Okay
1,078 reviews

Comfort

6.7

Entertainment

6.2

Crew

7.3

Overall

6.7

Boarding

6.9

Food

6.0

Reviews

1 / 20
4.0
Okay

Anonymous,Oct 2025

FCO - LAX

Not great overall. Almost every flight was delayed, the last one by 4.5 hours. Food and service were both mediocre. And the process was largely disorganized.

Related info for your journey

Find useful and relevant information for your journey from Trieste to California. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Trieste to California?

    For a flight from Trieste to California, you will be flying from Ronchi dei Legionari. Trieste Ronchi dei Legionari (TRS) is just 18.2 mi from the center of the city.

  • How long is the flight from Trieste to California?

    Departing from Trieste to California will take you 15h 55m. Airlines will cover a distance of 6157 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Trieste to California?

    Most travelers choose Trieste Ronchi dei Legionari - Los Angeles, Trieste Ronchi dei Legionari - San Francisco or Trieste Ronchi dei Legionari - San Jose when deciding on the best route from Trieste to California.

  • Can I find deals for flights from Trieste to California that include hotel bookings?

    Yes. In addition to deals on Trieste to California flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Trieste to California?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Trieste to California.

  • Can I find deals for business class flights from Trieste to California?

    Yes. Cheapflights offers flight deals from Trieste to California by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Trieste to California?

    Currently, October is the cheapest month in which you can book a flight from Trieste to California (average of $449). Flying from Trieste to California in July is currently the most expensive (average of $647). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Trieste to California

See prices for flight routes from nearby airports that may be better suited for you.
Vicenza to Newark flights
Vicenza to John F Kennedy Intl flights
Vicenza to LaGuardia flights
Vicenza to Miami flights
Vicenza to Dallas/Fort Worth flights
Vicenza to Fort Lauderdale flights
Vicenza to O'Hare Intl flights
Vicenza to Los Angeles flights
Vicenza to West Palm Beach flights
Vicenza to Raleigh flights
Vicenza to Midway flights
Vicenza to Denver flights
Vicenza to Reagan-National flights
Vicenza to San Francisco flights
Vicenza to Dulles Intl flights
Vicenza to Boston flights
Vicenza to Baltimore flights
Vicenza to Charlotte flights
Vicenza to Nashville flights
Trieste to Newark flights
Trieste to John F Kennedy Intl flights
Vicenza to Seattle flights
Vicenza to Orlando flights
Vicenza to Detroit flights
Vicenza to Atlanta flights
Vicenza to Hobby flights
Vicenza to Honolulu flights
Vicenza to Philadelphia flights
Vicenza to Las Vegas flights
Vicenza to Ontario flights
Trieste to Miami flights
Vicenza to George Bush Intcntl flights
Vicenza to Tampa flights
Vicenza to San Diego flights
Vicenza to Santa Ana flights
Vicenza to Albuquerque flights
Vicenza to San Jose flights
Vicenza to Portland flights
Vicenza to New Orleans flights
Trieste to Denver flights
Vicenza to Valparaiso flights
Vicenza to San Antonio flights
Vicenza to Fayetteville flights
Vicenza to Indianapolis flights
Vicenza to Fort Myers flights

Top airline flying from Trieste to California

Discover the top airline that operate flights from Trieste to California. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
ITA AirwaysCheapest$512Average$563FlexibilityNo cancel feeOn-time81%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.