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$411+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
TRS — LAX
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This Lufthansa deal was found by Cheapflights users on 12/11. 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.
Mon 12/222:40 pmTRS - SFO
1 stop14h 30mLufthansa
Wed 12/316:50 pmSFO - TRS
1 stop18h 50mLufthansa
Deal found 12/11$774
This Lufthansa deal was found by Cheapflights users on 12/11. 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.
Wed 12/242:40 pmTRS - SFO
2 stops19h 37mLufthansa
Wed 12/311:35 pmSFO - TRS
1 stop24h 05mLufthansa
Deal found 12/11$780
This Gotogate deal was found by Cheapflights users on 12/10. 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.
Thu 12/186:35 amTRS - LAX
1 stop15h 55mITA Airways
Wed 12/243:20 pmLAX - TRS
1 stop22h 35mITA Airways
Deal found 12/10$809
This Lufthansa deal was found by Cheapflights users on 12/11. 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.
Mon 12/222:40 pmTRS - SFO
1 stop14h 30mLufthansa
Tue 12/3012:50 pmSFO - TRS
2 stops16h 10mLufthansa
Deal found 12/11$814
This Lufthansa deal was found by Cheapflights users on 12/11. 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.
Mon 12/222:40 pmTRS - SFO
1 stop14h 30mLufthansa
Thu 1/112:50 pmSFO - TRS
2 stops16h 15mLufthansa
Deal found 12/11$815
This Lufthansa deal was found by Cheapflights users on 12/11. 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.
Wed 12/242:40 pmTRS - SFO
2 stops19h 37mLufthansa
Tue 12/3012:50 pmSFO - TRS
2 stops16h 10mLufthansa
Deal found 12/11$820
This FlightHub deal was found by Cheapflights users on 12/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:35 amTRS - SFO
1 stop15h 30mITA Airways
Thu 1/13:05 pmSFO - TRS
1 stop18h 25mITA Airways
Deal found 12/11$822
This Cheapflightsfares deal was found by Cheapflights users on 12/11. 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.
Tue 12/236:15 amTRS - SFO
2 stops19h 45mLufthansa
Wed 12/319:40 pmSFO - TRS
2 stops16h 00mLufthansa
Deal found 12/11$839
This ITA Airways deal was found by Cheapflights users on 12/11. 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 12/217:15 pmTRS - SFO
1 stop26h 50mITA Airways
Thu 1/13:05 pmSFO - TRS
1 stop22h 50mITA Airways
Deal found 12/11$844
This KAYAK deal was found by Cheapflights users on 12/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/232:40 pmTRS - SFO
1 stop14h 30mMultiple Airlines
Thu 1/11:35 pmSFO - TRS
1 stop15h 30mMultiple Airlines
Deal found 12/11$854
This KLM deal was found by Cheapflights users on 12/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:35 amTRS - LAS
2 stops23h 21mKLM
Tue 12/3011:28 pmLAS - TRS
2 stops34h 02mKLM
Deal found 12/10$1,252
This Mytrip deal was found by Cheapflights users on 12/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1811:10 amTRS - LAX
2 stops33h 00mMultiple Airlines
Wed 12/245:30 pmLAX - TRS
3 stops18h 40mMultiple Airlines
Deal found 12/11$1,457

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$550
(oojo)

One-way from

$411
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$760
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. 13% potential increase in price ($102 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 12, 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

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

Tue 4/14

6:35 am-1:15 pm

1 stop15h 40m

San Francisco

Tue 4/28

3:15 pm-2:30 pm

1 stop14h 15m

$551

TriesteLos Angeles

TRS - LAX

TRSLAX

Trieste Ronchi dei Legionari

Wed 2/18

6:35 am-1:30 pm

1 stop15h 55m

Los Angeles

Wed 2/25

3:20 pm-6:30 pm

1 stop18h 10m

$563

TriesteLos Angeles

TRS - LAX

TRSLAX

Trieste Ronchi dei Legionari

Sun 1/25

6:35 am-1:30 pm

1 stop15h 55m

Los Angeles

Sun 2/1

3:20 pm-9:10 pm

2 stops20h 50m

$574

TriesteLos Angeles

TRS - LAX

TRSLAX

Trieste Ronchi dei Legionari

Tue 2/17

7:15 pm-1:30 pm

1 stop27h 15m

Los Angeles

Wed 2/25

3:20 pm-2:30 pm

1 stop14h 10m

$577

TriesteLos Angeles

TRS - LAX

TRSLAX

Trieste Ronchi dei Legionari

Thu 4/16

7:15 pm-8:48 pm

2 stops34h 33m

Los Angeles

Wed 4/29

7:00 am-6:30 pm

2 stops26h 30m

$613

TriesteLos Angeles

TRS - LAX

TRSLAX

Trieste Ronchi dei Legionari

Mon 4/13

7:15 pm-8:34 pm

2 stops34h 19m

Los Angeles

Wed 4/29

7:00 am-2:30 pm

2 stops22h 30m

$613

TriesteLos Angeles

TRS - LAX

TRSLAX

Trieste Ronchi dei Legionari

Wed 4/15

6:35 am-5:23 pm

2 stops19h 48m

Los Angeles

Wed 4/29

7:00 am-2:30 pm

2 stops22h 30m

$613

TriesteLos Angeles

TRS - LAX

TRSLAX

Trieste Ronchi dei Legionari

Fri 4/17

6:35 am-6:39 pm

2 stops21h 04m

Los Angeles

Wed 4/29

7:00 am-10:55 pm

2 stops30h 55m

$613

TriesteLos Angeles

TRS - LAX

TRSLAX

Trieste Ronchi dei Legionari

Tue 4/14

7:15 pm-5:23 pm

2 stops31h 08m

Los Angeles

Wed 4/29

7:00 am-6:30 pm

2 stops26h 30m

$613

TriesteLos Angeles

TRS - LAX

TRSLAX

Trieste Ronchi dei Legionari

Thu 4/16

7:15 pm-6:39 pm

2 stops32h 24m

Los Angeles

Tue 4/28

3:15 pm-10:25 am

1 stop34h 10m

$639

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 29 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, June is the cheapest month in which you can book a flight from Trieste to California (average of $444). 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 December 12, 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.

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 December 12, 2025.
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
7,626 reviews

Entertainment

6.4

Crew

7.6

Boarding

7.0

Overall

6.8

Food

6.3

Comfort

6.8

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
7,626 reviews
Lufthansa
6.8
Okay
7,626 reviews

Entertainment

6.4

Crew

7.6

Boarding

7.0

Overall

6.8

Food

6.3

Comfort

6.8

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
1,100 reviews
Lufthansa
6.8
Okay
7,626 reviews

Entertainment

6.4

Crew

7.6

Boarding

7.0

Overall

6.8

Food

6.3

Comfort

6.8

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 40m. Airlines will cover a distance of 6049 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 - Santa Ana J. Wayne/Orange Cnty 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, June is the cheapest month in which you can book a flight from Trieste to California (average of $444). 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
ITA AirwaysCheapest$512Average$589FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$653Average$781FlexibilityNo cancel feeOn-time76%

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