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$526+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
TRS — LAX
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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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 September 15, 2025.

Round-trip from

$560
(oojo)

One-way from

$526
(Kiwi.com)

Popular in

September

Cheapest in

March

Average price

$905
From Trieste Ronchi dei Legionari to California
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One-way flight from Trieste Ronchi dei Legionari to California
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Highest demand for flights based on searches. 6% potential increase in price ($49 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 15, 2025.

This lol.travel deal was found by Cheapflights users on 9/14. 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.
Mon 9/223:15 pmTRS - SFO
1 stop31h 10mITA Airways
Sun 9/283:15 pmSFO - TRS
1 stop18h 15mITA Airways
Deal found 9/14$555
This oojo deal was found by Cheapflights users on 9/14. 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.
Fri 10/246:35 amTRS - LAX
1 stop15h 40mITA Airways
Sat 11/14:20 pmLAX - TRS
1 stop34h 05mITA Airways
Deal found 9/14$560
This ITA Airways deal was found by Cheapflights users on 9/14. 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.
Mon 9/297:15 pmTRS - SFO
1 stop27h 10mITA Airways
Wed 10/153:15 pmSFO - TRS
1 stop14h 15mITA Airways
Deal found 9/14$612
This lol.travel deal was found by Cheapflights users on 9/13. 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.
Sat 9/206:35 amTRS - LAX
1 stop15h 40mITA Airways
Wed 9/243:15 pmLAX - TRS
1 stop14h 15mITA Airways
Deal found 9/13$619
This Booking.com deal was found by Cheapflights users on 9/13. 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.
Tue 10/286:15 amTRS - LAX
1 stop15h 50mLufthansa
Tue 11/43:00 pmLAX - TRS
1 stop22h 40mLufthansa
Deal found 9/13$625
This Lufthansa deal was found by Cheapflights users on 9/14. 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.
Sat 11/226:25 amTRS - SFO
1 stop15h 15mLufthansa
Sun 12/72:40 pmSFO - TRS
1 stop14h 20mLufthansa
Deal found 9/14$637
This ITA Airways deal was found by Cheapflights users on 9/14. 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 11/226:35 amTRS - SFO
1 stop15h 30mITA Airways
Sat 11/293:05 pmSFO - TRS
1 stop14h 25mITA Airways
Deal found 9/14$638
This ITA Airways deal was found by Cheapflights users on 9/14. 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.
Mon 9/297:15 pmTRS - SFO
1 stop27h 10mITA Airways
Sun 10/123:15 pmSFO - TRS
1 stop18h 15mITA Airways
Deal found 9/14$642
This lol.travel deal was found by Cheapflights users on 9/14. 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.
Sun 9/216:35 amTRS - LAX
1 stop15h 40mITA Airways
Sun 9/283:15 pmLAX - TRS
1 stop18h 15mITA Airways
Deal found 9/14$646
This ITA Airways deal was found by Cheapflights users on 9/14. 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.
Mon 9/297:55 amTRS - SFO
2 stops38h 30mITA Airways
Fri 10/173:15 pmSFO - TRS
1 stop14h 15mITA Airways
Deal found 9/14$664
This ITA Airways deal was found by Cheapflights users on 9/14. 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.
Tue 9/306:35 amTRS - SFO
1 stop15h 50mITA Airways
Wed 10/153:15 pmSFO - TRS
1 stop18h 15mITA Airways
Deal found 9/14$683
This Expedia deal was found by Cheapflights users on 9/15. 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.
Wed 10/12:45 pmTRS - SAN
2 stops40h 00mLufthansa
Sun 10/55:15 pmSAN - TRS
2 stops20h 20mLufthansa
Deal found 9/15$808

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 September 15, 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

Fri 10/24

6:35 am-1:15 pm

1 stop15h 40m

Los Angeles

Sat 11/1

4:20 pm-10:25 am

1 stop34h 05m

$560

TriesteLos Angeles

TRS - LAX

TRSLAX

Trieste Ronchi dei Legionari

Tue 10/28

6:15 am-2:05 pm

1 stop15h 50m

Los Angeles

Tue 11/4

3:00 pm-10:40 pm

1 stop22h 40m

$625

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

Sat 1/31

6:25 am-3:55 pm

1 stop18h 30m

San Francisco

Sat 2/14

2:40 pm-2:05 pm

1 stop14h 25m

$632

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

Thu 1/29

6:25 am-3:55 pm

1 stop18h 30m

San Francisco

Thu 2/12

1:40 pm-2:05 pm

1 stop15h 25m

$632

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

Sat 1/31

6:25 am-3:55 pm

1 stop18h 30m

San Francisco

Thu 2/12

1:40 pm-2:05 pm

1 stop15h 25m

$632

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

Sat 11/22

6:25 am-12:40 pm

1 stop15h 15m

San Francisco

Sun 12/7

2:40 pm-2:00 pm

1 stop14h 20m

$637

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

Thu 3/5

2:50 pm-8:00 pm

1 stop14h 10m

San Francisco

Mon 3/9

8:25 am-2:00 pm

2 stops21h 35m

$637

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

Thu 3/5

6:35 am-1:05 pm

1 stop15h 30m

San Francisco

Mon 3/9

4:05 pm-6:30 pm

1 stop18h 25m

$638

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

Sat 11/22

6:35 am-1:05 pm

1 stop15h 30m

San Francisco

Sat 11/29

3:05 pm-10:55 pm

1 stop22h 50m

$638

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

Thu 1/29

6:25 am-5:36 pm

2 stops20h 11m

San Francisco

Sat 2/14

2:40 pm-2:05 pm

1 stop14h 25m

$638

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 32 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, January is the cheapest month in which you can book a flight from Trieste to California (average of $246). Flying from Trieste to California in March is currently the most expensive (average of $325). 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 September 15, 2025.

When flying from Trieste to California, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 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 - Santa Ana J. Wayne/Orange Cnty or Trieste Ronchi dei Legionari - San Francisco 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, January is the cheapest month in which you can book a flight from Trieste to California (average of $246). Flying from Trieste to California in March is currently the most expensive (average of $325). 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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