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Trieste

$489+ Cheap flights from California to Trieste (TRS)

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 1/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — TRS
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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Find flight deals from California to Trieste

Cheapest flights from California to Trieste
Explore the most affordable flight options available from California to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 2025.

This Expedia deal was found by Cheapflights users on 10/29. 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.
mié. 11/192:22 pmLAX - TRS
2 stops23h 18mLufthansa
lun. 12/82:40 pmTRS - LAX
1 stop31h 25mLufthansa
Deal found 10/29$581
This Travelocity deal was found by Cheapflights users on 10/29. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/56:30 amLAX - TRS
2 stops22h 35mMultiple Airlines
dom. 12/143:00 pmTRS - LAX
1 stop31h 05mMultiple Airlines
Deal found 10/29$606
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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.
vie. 12/53:20 pmLAX - TRS
1 stop22h 35mITA Airways
dom. 12/146:35 amTRS - LAX
1 stop15h 55mITA Airways
Deal found 10/29$619
This FlightHub deal was found by Cheapflights users on 10/29. 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.
vie. 12/58:15 amLAX - TRS
2 stops44h 50mLufthansa
dom. 12/143:00 pmTRS - LAX
2 stops33h 15mLufthansa
Deal found 10/29$738
This Lufthansa deal was found by Cheapflights users on 10/29. 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.
mié. 11/129:05 amFAT - TRS
2 stops20h 00mLufthansa
dom. 11/163:00 pmTRS - FAT
2 stops39h 53mLufthansa
Deal found 10/29$772
This oojo deal was found by Cheapflights users on 10/30. 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.
jue. 11/203:05 pmSFO - TRS
1 stop34h 20mITA Airways
mar. 12/27:35 amTRS - SFO
2 stops62h 30mITA Airways
Deal found 10/30$791
This United deal was found by Cheapflights users on 10/29. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/191:45 pmONT - TRS
2 stops23h 55mMultiple Airlines
lun. 12/82:40 pmTRS - ONT
2 stops30h 37mMultiple Airlines
Deal found 10/29$822
This Booking.com deal was found by Cheapflights users on 10/29. 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.
mié. 11/193:20 pmLAX - TRS
2 stops36h 00mITA Airways
lun. 12/81:05 pmTRS - LAX
2 stops57h 25mITA Airways
Deal found 10/29$856
This Mytrip deal was found by Cheapflights users on 10/29. 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.
mié. 11/198:30 amLAX - TRS
3 stops27h 45mMultiple Airlines
lun. 12/86:15 pmTRS - LAX
3 stops36h 41mMultiple Airlines
Deal found 10/29$886
This KAYAK deal was found by Cheapflights users on 10/29. 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.
lun. 12/157:00 pmLAX - TRS
2 stops42h 40mLufthansa
mar. 1/62:40 pmTRS - LAX
2 stops33h 16mLufthansa
Deal found 10/29$916
This oojo deal was found by Cheapflights users on 10/29. 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.
dom. 12/2810:35 amSFO - TRS
2 stops22h 55mITA Airways
lun. 1/53:15 pmTRS - SFO
2 stops35h 32mITA Airways
Deal found 10/29$978
This Turkish Airlines deal was found by Cheapflights users on 10/29. 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.
dom. 11/161:05 pmLAX - TRS
2 stops24h 50mTurkish Airlines
lun. 11/246:35 amTRS - LAX
2 stops43h 15mTurkish Airlines
Deal found 10/29$987

Cheap flight deals from California to Trieste

Keep the following information in mind while searching for California to Trieste flight deals. Data was last updated octubre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$551
(FlightHub)

One-way from

$489
(KAYAK)
Provider with most accurate pricing for Los Angeles-Trieste Ronchi dei Legionari flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Trieste Ronchi dei Legionari flights.
Search Deals
From California to Trieste Ronchi dei Legionari
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One-way flight from California to Trieste Ronchi dei Legionari
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Cheapflights Fare Finder

 
Customize your flight search to find flights from California to Trieste 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 octubre 30, 2025.
Use the filters below to find and compare flights from California to Trieste that are best for you.

Fly from

California

Fly to

Trieste

Route

Depart

Return

Price

SacramentoTrieste

SMF - TRS

SMFTRS

Sacramento Intl

mié. 2/25

1:07 pm-10:40 pm

2 stops24h 33m

Trieste Ronchi dei Legionari

dom. 3/1

3:00 pm-7:41 pm

2 stops37h 41m

$675

San FranciscoTrieste

SFO - TRS

SFOTRS

San Francisco

mié. 3/4

9:25 am-2:30 pm

2 stops20h 05m

Trieste Ronchi dei Legionari

dom. 3/8

7:15 pm-2:05 pm

1 stop26h 50m

$695

San FranciscoTrieste

SFO - TRS

SFOTRS

San Francisco

mié. 3/4

2:40 pm-2:05 pm

1 stop14h 25m

Trieste Ronchi dei Legionari

dom. 3/8

3:00 pm-1:40 pm

1 stop30h 40m

$709

Los AngelesTrieste

LAX - TRS

LAXTRS

Los Angeles

jue. 4/2

3:15 pm-2:30 pm

1 stop14h 15m

Trieste Ronchi dei Legionari

lun. 4/6

7:15 pm-7:54 pm

2 stops33h 39m

$711

Los AngelesTrieste

LAX - TRS

LAXTRS

Los Angeles

sáb. 3/14

4:20 pm-9:10 pm

2 stops20h 50m

Trieste Ronchi dei Legionari

sáb. 3/28

6:35 am-2:20 pm

1 stop15h 45m

$728

Los AngelesTrieste

LAX - TRS

LAXTRS

Los Angeles

jue. 4/2

2:55 pm-2:05 pm

1 stop14h 10m

Trieste Ronchi dei Legionari

lun. 4/6

2:45 pm-1:00 pm

1 stop31h 15m

$744

Santa AnaTrieste

SNA - TRS

SNATRS

Santa Ana J. Wayne/Orange Cnty

jue. 4/2

11:00 am-9:55 pm

2 stops25h 55m

Trieste Ronchi dei Legionari

lun. 4/6

2:40 pm-8:40 pm

2 stops39h 00m

$759

FresnoTrieste

FAT - TRS

FATTRS

Fresno Airterminal

mié. 11/12

9:05 am-2:05 pm

2 stops20h 00m

Trieste Ronchi dei Legionari

dom. 11/16

3:00 pm-9:53 pm

2 stops39h 53m

$772

OntarioTrieste

ONT - TRS

ONTTRS

Ontario

mié. 11/19

1:45 pm-10:40 pm

2 stops23h 55m

Trieste Ronchi dei Legionari

lun. 12/8

2:40 pm-12:17 pm

2 stops30h 37m

$822

San FranciscoTrieste

SFO - TRS

SFOTRS

San Francisco

vie. 4/3

2:40 pm-2:05 pm

1 stop14h 25m

Trieste Ronchi dei Legionari

vie. 4/10

6:30 am-12:40 pm

1 stop15h 10m

$858

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 35 results
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Best time to book a flight from California to Trieste

Have a flexible travel schedule? Discover the best time to fly to Trieste from California 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 California to Trieste

What is the cheapest month to book a flight from California to Trieste?

Currently, December is the cheapest month in which you can book a flight from California to Trieste (average of $385). Flying from California to Trieste in June is currently the most expensive (average of $617). 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 CA to TRS?

Find hourly flight availability from California to Trieste. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 30, 2025.

It’s optimal to fly from California to Trieste in the afternoon. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight at noon.

Related info for your journey

Find useful and relevant information for your journey from California to Trieste. 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 into for flights to Trieste from California?

    Located just 18.2 mi from the city center, Trieste Ronchi dei Legionari (TRS) is the airport most travelers will use when flying to Trieste from California.

  • How long is the flight from California to Trieste?

    Departing from California to Trieste will take you 20h 05m. Airlines will cover a distance of 6049 mi. This flight may include one or multiple stops.

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

    The cheapest airlines for a one-way flight from California to Trieste are Lufthansa ($489), ITA Airways ($651), and Turkish Airlines ($810).

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

    When deciding which route to take from California to Trieste consider Los Angeles - Trieste Ronchi dei Legionari, San Francisco - Trieste Ronchi dei Legionari or Las Vegas Harry Reid Intl - Trieste Ronchi dei Legionari as they are the most popular.

  • Can I find deals for flights from California to Trieste that include hotel bookings?

    Yes. In addition to deals on California to Trieste flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from California to Trieste?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from California to Trieste.

  • Can I find deals for business class flights from California to Trieste?

    Yes. Cheapflights offers flight deals from California to Trieste 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 California to Trieste?

    Currently, December is the cheapest month in which you can book a flight from California to Trieste (average of $385). Flying from California to Trieste in June is currently the most expensive (average of $617). 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 California to Trieste

Discover the top 2 airlines that operate flights from California to Trieste. 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 octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
ITA AirwaysCheapest$579Average$1,029FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$663Average$1,211FlexibilityNo cancel feeOn-time76%

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