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$565+ Cheap flights from Trieste (TRS) to California

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/24. Fares are subject to change and may not be available on all flights or dates of travel.
TRS — LAX
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap 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 January 28, 2026.

This ITA Airways deal was found by Cheapflights users on 1/26. 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.
Fri 4/246:35 am
TRS
-
LAX
2 stops24h 38m
ITA Airways
Thu 5/73:15 pm
LAX
-
TRS
1 stop22h 40m
ITA Airways
Deal found 1/26$615
This oojo deal was found by Cheapflights users on 1/27. 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.
Sun 2/16:35 am
TRS
-
LAX
1 stop15h 55m
ITA Airways
Fri 2/273:20 pm
LAX
-
TRS
1 stop14h 10m
ITA Airways
Deal found 1/27$636
This Expedia deal was found by Cheapflights users on 1/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/126:15 am
TRS
-
LAX
1 stop15h 50m
Lufthansa
Thu 3/198:45 am
LAX
-
TRS
2 stops21h 20m
Lufthansa
Deal found 1/26$647
This ITA Airways deal was found by Cheapflights users on 1/25. 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.
Wed 9/236:35 am
TRS
-
LAX
1 stop15h 40m
ITA Airways
Sun 9/277:00 am
LAX
-
TRS
2 stops30h 55m
ITA Airways
Deal found 1/25$679
This ITA Airways deal was found by Cheapflights users on 1/25. 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.
Wed 9/236:35 am
TRS
-
SFO
1 stop15h 40m
ITA Airways
Sun 9/276:00 am
SFO
-
TRS
2 stops23h 30m
ITA Airways
Deal found 1/25$682
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:15 am
TRS
-
SFO
1 stop35h 00m
ITA Airways
Wed 6/173:15 pm
SFO
-
TRS
1 stop14h 15m
ITA Airways
Deal found 1/28$700
This ITA Airways deal was found by Cheapflights users on 1/27. 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.
Sat 9/56:35 am
TRS
-
SFO
1 stop15h 40m
ITA Airways
Sun 9/203:15 pm
SFO
-
TRS
1 stop14h 15m
ITA Airways
Deal found 1/27$713
This ITA Airways deal was found by Cheapflights users on 1/27. 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.
Sat 9/56:35 am
TRS
-
SFO
2 stops20h 51m
ITA Airways
Sat 9/193:15 pm
SFO
-
TRS
1 stop14h 15m
ITA Airways
Deal found 1/27$718
This ITA Airways deal was found by Cheapflights users on 1/28. 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.
Sun 5/317:15 pm
TRS
-
SFO
1 stop27h 00m
ITA Airways
Wed 6/173:15 pm
SFO
-
TRS
1 stop18h 15m
ITA Airways
Deal found 1/28$723
This Booking.com deal was found by Cheapflights users on 1/27. 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.
Fri 3/136:25 am
TRS
-
SFO
1 stop18h 30m
Lufthansa
Fri 3/201:50 pm
SFO
-
TRS
2 stops16h 15m
Lufthansa
Deal found 1/27$732
This Expedia deal was found by Cheapflights users on 1/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:00 am
TRS
-
LAS
2 stops23h 44m
Lufthansa
Sun 5/109:10 pm
LAS
-
TRS
1 stop16h 05m
Lufthansa
Deal found 1/28$809
This Booking.com deal was found by Cheapflights users on 1/28. 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.
Sun 5/36:00 am
TRS
-
LAS
2 stops23h 44m
Multiple Airlines
Sun 5/106:45 am
LAS
-
TRS
2 stops30h 30m
Multiple Airlines
Deal found 1/28$913

Find flight deals from Trieste to California

Keep the following information in mind while searching for Trieste to California flight deals. Data was last updated January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$615
(ITA Airways)

One-way from

$565
(Kiwi.com)

Popular in

July

Cheapest in

March
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
One-way flight from Trieste Ronchi dei Legionari to California
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($105 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
Search Deals

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 January 28, 2026.
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

Fri 4/24

6:35 am-10:13 pm

2 stops24h 38m

Los Angeles

Thu 5/7

3:15 pm-10:55 pm

1 stop22h 40m

$615

TriesteLos Angeles

TRS - LAX

TRSLAX

Trieste Ronchi dei Legionari

Thu 3/12

6:15 am-2:05 pm

1 stop15h 50m

Los Angeles

Thu 3/19

8:45 am-2:05 pm

2 stops21h 20m

$647

TriesteLos Angeles

TRS - LAX

TRSLAX

Trieste Ronchi dei Legionari

Thu 4/9

6:35 am-9:07 pm

2 stops23h 32m

Los Angeles

Tue 4/21

8:10 am-2:30 pm

2 stops21h 20m

$692

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

Fri 3/13

6:25 am-4:55 pm

1 stop18h 30m

San Francisco

Fri 3/20

1:50 pm-2:05 pm

2 stops16h 15m

$732

TriesteLos Angeles

TRS - LAX

TRSLAX

Trieste Ronchi dei Legionari

Thu 4/9

6:00 am-1:10 pm

1 stop16h 10m

Los Angeles

Tue 4/21

3:05 pm-1:45 pm

1 stop13h 40m

$750

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

Sun 5/31

7:15 pm-1:15 pm

1 stop27h 00m

San Francisco

Thu 6/18

3:15 pm-2:30 pm

1 stop14h 15m

$759

TriesteLas Vegas

TRS - LAS

TRSLAS

Trieste Ronchi dei Legionari

Sun 5/3

6:00 am-8:44 pm

2 stops23h 44m

Las Vegas Harry Reid Intl

Sun 5/10

9:10 pm-10:15 pm

1 stop16h 05m

$809

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

Mon 6/1

6:00 am-12:40 pm

1 stop15h 40m

San Francisco

Tue 6/16

2:40 pm-10:15 pm

1 stop22h 35m

$929

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

Sun 5/31

6:00 am-12:40 pm

1 stop15h 40m

San Francisco

Tue 6/16

2:40 pm-10:15 pm

1 stop22h 35m

$936

TriesteLas Vegas

TRS - LAS

TRSLAS

Trieste Ronchi dei Legionari

Fri 7/17

6:35 am-6:17 pm

2 stops20h 42m

Las Vegas Harry Reid Intl

Mon 8/3

9:10 pm-10:25 pm

1 stop16h 15m

$984

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 40 results
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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, February is the cheapest month in which you can book a flight from Trieste to California (average of $440). 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.

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 January 28, 2026.
Get a feel of what it's like to fly with Lufthansa and 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.
Lufthansa
6.8
Okay
7,749 reviews

Boarding

7.0

Food

6.3

Overall

6.8

Comfort

6.8

Crew

7.6

Entertainment

6.4

Reviews

1 / 20
4.0
Okay

Djermouli,Dec 2025

FRA - SFO

I’m sorry the worst airline united food sales I’m diabetic plus high cholesterol pls seats it’s not comfortable plus screen tv broke I try to charge my phone don’t work I’m not flying with united airlines
Lufthansa
6.8
Okay
7,749 reviews
Lufthansa
6.8
Okay
7,749 reviews

Boarding

7.0

Food

6.3

Overall

6.8

Comfort

6.8

Crew

7.6

Entertainment

6.4

Reviews

1 / 20
4.0
Okay

Djermouli,Dec 2025

FRA - SFO

I’m sorry the worst airline united food sales I’m diabetic plus high cholesterol pls seats it’s not comfortable plus screen tv broke I try to charge my phone don’t work I’m not flying with united airlines
ITA Airways
6.7
Okay
1,131 reviews
Lufthansa
6.8
Okay
7,749 reviews

Boarding

7.0

Food

6.3

Overall

6.8

Comfort

6.8

Crew

7.6

Entertainment

6.4

Reviews

1 / 20
4.0
Okay

Djermouli,Dec 2025

FRA - SFO

I’m sorry the worst airline united food sales I’m diabetic plus high cholesterol pls seats it’s not comfortable plus screen tv broke I try to charge my phone don’t work I’m not flying with united airlines

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 50m. 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 - Las Vegas Harry Reid Intl 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, February is the cheapest month in which you can book a flight from Trieste to California (average of $440). 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

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Top 2 airlines flying from Trieste to California

Discover the top 2 airlines 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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
ITA AirwaysCheapest$512Average$589FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$653Average$781FlexibilityNo cancel feeOn-time76%

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