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$439+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
TRS — LAX
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$725
(Lufthansa)

One-way from

$439
(Kiwi.com)

Popular in

July

Cheapest in

May

Average price

$508
Provider with most accurate pricing for Trieste Ronchi dei Legionari-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Trieste Ronchi dei Legionari-Los Angeles flights.
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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. 24% potential increase in price ($260 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($82 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This lol.travel deal was found by Cheapflights users on 4/30. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/93:15 pmTRS - LAX
1 stop31h 00mITA Airways
Tue 5/133:15 pmLAX - TRS
1 stop18h 15mITA Airways
Deal found 4/30$538
This Expedia deal was found by Cheapflights users on 4/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:20 amTRS - SFO
1 stop15h 15mLufthansa
Wed 1/72:40 pmSFO - TRS
1 stop14h 20mLufthansa
Deal found 4/30$720
This ITA Airways deal was found by Cheapflights users on 4/30. 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.
Wed 12/317:15 pmTRS - SFO
1 stop26h 50mITA Airways
Thu 1/83:05 pmSFO - TRS
1 stop14h 25mITA Airways
Deal found 4/30$723
This Expedia deal was found by Cheapflights users on 4/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:40 pmTRS - SFO
2 stops43h 08mMultiple Airlines
Wed 1/77:30 amSFO - TRS
2 stops21h 30mMultiple Airlines
Deal found 4/30$808
This Expedia deal was found by Cheapflights users on 4/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:20 amTRS - LAS
2 stops22h 14mMultiple Airlines
Sun 11/99:10 amLAS - TRS
2 stops19h 50mMultiple Airlines
Deal found 4/30$846
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/96:35 amTRS - LAX
2 stops21h 30mMultiple Airlines
Tue 5/136:50 pmLAX - TRS
3 stops31h 00mMultiple Airlines
Deal found 4/30$887
This SWISS deal was found by Cheapflights users on 4/30. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/283:15 pmTRS - SFO
2 stops34h 10mSWISS
Mon 1/57:25 pmSFO - TRS
2 stops38h 05mSWISS
Deal found 4/30$888
This Lufthansa deal was found by Cheapflights users on 4/30. 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.
Fri 10/316:20 amTRS - LAS
2 stops20h 38mLufthansa
Sun 11/94:20 pmLAS - TRS
1 stop21h 25mLufthansa
Deal found 4/30$888
This ITA Airways deal was found by Cheapflights users on 4/30. 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.
Sat 5/316:35 amTRS - SJC
2 stops21h 50mITA Airways
Fri 6/611:13 amSJC - TRS
2 stops22h 17mITA Airways
Deal found 4/30$892
This TAP AIR PORTUGAL deal was found by Cheapflights users on 4/30. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1711:15 amTRS - SFO
2 stops36h 15mTAP AIR PORTUGAL
Tue 9/26:45 pmSFO - TRS
3 stops38h 50mTAP AIR PORTUGAL
Deal found 4/30$1,150
This Mytrip deal was found by Cheapflights users on 5/1. 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.
Fri 11/76:20 amTRS - LAX
2 stops26h 00mLufthansa
Tue 11/188:40 amLAX - TRS
2 stops20h 20mLufthansa
Deal found 5/1$3,659
This oojo deal was found by Cheapflights users on 4/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/56:30 amTRS - SNA
2 stops20h 39mLufthansa
Sun 5/116:15 pmSNA - TRS
2 stops34h 50mLufthansa
Deal found 4/30$5,990

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 May 1, 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

Sun 8/17

6:30 am-3:55 pm

1 stop18h 25m

San Francisco

Tue 9/2

8:26 am-10:35 pm

2 stops29h 09m

$725

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

Sat 5/31

6:35 am-5:48 pm

2 stops20h 13m

San Francisco

Fri 6/6

11:15 am-2:30 pm

2 stops18h 15m

$864

TriesteSan Jose

TRS - SJC

TRSSJC

Trieste Ronchi dei Legionari

Sat 5/31

6:35 am-7:25 pm

2 stops21h 50m

San Jose

Fri 6/6

11:13 am-6:30 pm

2 stops22h 17m

$892

TriesteLas Vegas

TRS - LAS

TRSLAS

Trieste Ronchi dei Legionari

Fri 5/16

6:35 am-11:28 pm

3 stops25h 53m

Las Vegas Harry Reid Intl

Tue 5/20

8:35 am-10:55 pm

2 stops29h 20m

$995

TriesteLas Vegas

TRS - LAS

TRSLAS

Trieste Ronchi dei Legionari

Fri 5/16

6:30 am-4:20 pm

1 stop18h 50m

Las Vegas Harry Reid Intl

Tue 5/20

10:46 am-10:35 pm

2 stops26h 49m

$1,002

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

Sun 8/17

11:15 am-2:30 pm

2 stops36h 15m

San Francisco

Tue 9/2

6:45 pm-6:35 pm

3 stops38h 50m

$1,150

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

Tue 9/9

11:15 am-10:39 am

2 stops32h 24m

$439

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

Tue 9/9

6:35 am-1:15 pm

1 stop15h 40m

$578

TriesteLos Angeles

TRS - LAX

TRSLAX

Trieste Ronchi dei Legionari

Wed 5/28

6:35 am-11:45 am

2 stops38h 10m

$663

TriesteLos Angeles

TRS - LAX

TRSLAX

Trieste Ronchi dei Legionari

Wed 5/28

6:35 am-1:15 pm

1 stop15h 40m

$672

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 20 results
1
2

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 $327). 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 May 1, 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.

Rainfall in California by month

Plan your trip to California by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in California ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit California when rainfall is around 0.0 in.

Temperature in California by month

Plan your trip to California by taking into account the average temperature totals by month.

If weather is an important factor for your trip to California, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 May 1, 2025.
To help decide which airline to fly from Trieste to California, see what other customers have to say about Emirates, Delta and Turkish Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.0
Very good
3,216 reviews

Food

7.8

Comfort

8.0

Crew

8.3

Entertainment

8.2

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Emirates
8.0
Very good
3,216 reviews
Emirates
8.0
Very good
3,216 reviews

Food

7.8

Comfort

8.0

Crew

8.3

Entertainment

8.2

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Delta
8.0
Very good
7,934 reviews
Emirates
8.0
Very good
3,216 reviews

Food

7.8

Comfort

8.0

Crew

8.3

Entertainment

8.2

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Turkish Airlines
7.3
Good
3,790 reviews
Emirates
8.0
Very good
3,216 reviews

Food

7.8

Comfort

8.0

Crew

8.3

Entertainment

8.2

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
TAP AIR PORTUGAL
7.1
Good
1,852 reviews
Emirates
8.0
Very good
3,216 reviews

Food

7.8

Comfort

8.0

Crew

8.3

Entertainment

8.2

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
ITA Airways
6.7
Okay
967 reviews
Emirates
8.0
Very good
3,216 reviews

Food

7.8

Comfort

8.0

Crew

8.3

Entertainment

8.2

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

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.

  • What are the cheapest airlines to fly from Trieste to California one-way?

    The cheapest airlines for a one-way flight from Trieste to California are ITA Airways ($578), Turkish Airlines ($663), and Lufthansa ($801).

  • 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 Diego 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 $327). 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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Alternative routes for Trieste to California

See prices for flight routes from nearby airports that may be better suited for you.
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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$508Average$781FlexibilityNo cancel feeOn-time76%

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