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$394+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
TRS — LAX
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
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 julio 31, 2025.

Round-trip from

$615
(Kiwi.com)

One-way from

$394
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$869
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. 13% potential increase in price ($103 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 31, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/319:45 amTRS - LAX
1 stop18h 20mMultiple Airlines
dom. 9/74:30 pmLAX - TRS
1 stop33h 10mMultiple Airlines
Deal found 7/30$615
This Expedia deal was found by Cheapflights users on 7/31. 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.
dom. 8/246:30 amTRS - SFO
1 stop18h 25mLufthansa
dom. 8/317:25 pmSFO - TRS
1 stop18h 10mLufthansa
Deal found 7/31$621
This Gotogate deal was found by Cheapflights users on 7/30. 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. 9/137:15 pmTRS - LAX
1 stop27h 00mITA Airways
sáb. 9/203:15 pmLAX - TRS
1 stop34h 10mITA Airways
Deal found 7/30$626
This Lufthansa deal was found by Cheapflights users on 7/30. 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.
dom. 8/316:30 amTRS - LAX
1 stop19h 25mLufthansa
dom. 9/77:00 amLAX - TRS
2 stops30h 35mLufthansa
Deal found 7/30$629
This ITA Airways deal was found by Cheapflights users on 7/30. 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.
dom. 11/97:15 pmTRS - SFO
1 stop26h 50mITA Airways
sáb. 11/223:05 pmSFO - TRS
1 stop18h 25mITA Airways
Deal found 7/30$729
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/136:25 amTRS - SFO
2 stops20h 00mMultiple Airlines
mar. 11/1812:00 pmSFO - TRS
2 stops17h 00mMultiple Airlines
Deal found 7/30$751
This SWISS deal was found by Cheapflights users on 7/30. 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.
lun. 11/1011:15 amTRS - SFO
2 stops38h 15mSWISS
dom. 11/167:25 pmSFO - TRS
2 stops38h 05mSWISS
Deal found 7/30$806
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/30. 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.
dom. 11/93:15 pmTRS - SFO
2 stops32h 20mTAP AIR PORTUGAL
lun. 11/174:35 pmSFO - TRS
2 stops40h 55mTAP AIR PORTUGAL
Deal found 7/30$847
This Lufthansa deal was found by Cheapflights users on 7/31. 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.
sáb. 8/166:30 amTRS - LAS
2 stops19h 05mLufthansa
mié. 8/209:45 amLAS - TRS
2 stops19h 20mLufthansa
Deal found 7/31$884
This Turkish Airlines deal was found by Cheapflights users on 7/30. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/1311:15 amTRS - LAX
2 stops33h 30mTurkish Airlines
vie. 9/1912:10 amLAX - TRS
2 stops37h 45mTurkish Airlines
Deal found 7/30$1,205
This Mytrip deal was found by Cheapflights users on 7/31. 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.
sáb. 8/166:30 amTRS - LAS
2 stops24h 37mMultiple Airlines
mar. 8/1912:48 amLAS - TRS
2 stops28h 17mMultiple Airlines
Deal found 7/31$1,295

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 julio 31, 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

dom. 8/31

9:45 am-7:05 pm

1 stop18h 20m

Los Angeles

dom. 9/7

4:30 pm-10:40 am

1 stop33h 10m

$615

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

dom. 8/24

6:30 am-3:55 pm

1 stop18h 25m

San Francisco

dom. 8/31

7:25 pm-10:35 pm

1 stop18h 10m

$621

TriesteLos Angeles

TRS - LAX

TRSLAX

Trieste Ronchi dei Legionari

sáb. 9/13

7:15 pm-1:15 pm

1 stop27h 00m

Los Angeles

sáb. 9/20

3:15 pm-10:25 am

1 stop34h 10m

$626

TriesteLos Angeles

TRS - LAX

TRSLAX

Trieste Ronchi dei Legionari

dom. 8/31

6:30 am-4:55 pm

1 stop19h 25m

Los Angeles

dom. 9/7

7:00 am-10:35 pm

2 stops30h 35m

$629

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

dom. 11/9

7:15 pm-1:05 pm

1 stop26h 50m

San Francisco

sáb. 11/22

3:05 pm-6:30 pm

1 stop18h 25m

$729

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

jue. 11/13

6:25 am-5:25 pm

2 stops20h 00m

San Francisco

mar. 11/18

12:00 pm-2:00 pm

2 stops17h 00m

$751

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

lun. 11/10

11:15 am-4:30 pm

2 stops38h 15m

San Francisco

dom. 11/16

7:25 pm-6:30 pm

2 stops38h 05m

$806

TriesteSan Francisco

TRS - SFO

TRSSFO

Trieste Ronchi dei Legionari

dom. 11/9

3:15 pm-2:35 pm

2 stops32h 20m

San Francisco

lun. 11/17

4:35 pm-6:30 pm

2 stops40h 55m

$847

TriesteLas Vegas

TRS - LAS

TRSLAS

Trieste Ronchi dei Legionari

sáb. 8/16

6:30 am-4:35 pm

2 stops19h 05m

Las Vegas Harry Reid Intl

mié. 8/20

9:45 am-2:05 pm

2 stops19h 20m

$884

TriesteLos Angeles

TRS - LAX

TRSLAX

Trieste Ronchi dei Legionari

sáb. 9/13

11:15 am-11:45 am

2 stops33h 30m

Los Angeles

vie. 9/19

12:10 am-10:55 pm

2 stops37h 45m

$1,205

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

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 $326). 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 julio 31, 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.

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 julio 31, 2025.
Get a feel of what it's like to fly with SWISS, Turkish Airlines, and TAP AIR PORTUGAL 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.
SWISS
7.5
Good
1,686 reviews

Entertainment

6.8

Boarding

7.7

Food

7.1

Overall

7.5

Crew

8.2

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight
SWISS
7.5
Good
1,686 reviews
SWISS
7.5
Good
1,686 reviews

Entertainment

6.8

Boarding

7.7

Food

7.1

Overall

7.5

Crew

8.2

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight
Turkish Airlines
7.3
Good
3,933 reviews
SWISS
7.5
Good
1,686 reviews

Entertainment

6.8

Boarding

7.7

Food

7.1

Overall

7.5

Crew

8.2

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight
TAP AIR PORTUGAL
7.1
Good
1,933 reviews
SWISS
7.5
Good
1,686 reviews

Entertainment

6.8

Boarding

7.7

Food

7.1

Overall

7.5

Crew

8.2

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight
Lufthansa
6.8
Okay
7,275 reviews
SWISS
7.5
Good
1,686 reviews

Entertainment

6.8

Boarding

7.7

Food

7.1

Overall

7.5

Crew

8.2

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight
ITA Airways
6.7
Okay
1,011 reviews
SWISS
7.5
Good
1,686 reviews

Entertainment

6.8

Boarding

7.7

Food

7.1

Overall

7.5

Crew

8.2

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight

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 Turkish Airlines ($657), ITA Airways ($694), and Lufthansa ($775).

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

    Most travelers choose Trieste Ronchi dei Legionari - Las Vegas Harry Reid Intl, Trieste Ronchi dei Legionari - Los Angeles 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 $326). 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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