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Trieste

$270+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — TRS
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap 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 January 28, 2026.

This Mytrip deal was found by Cheapflights users on 1/25. 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.
Sun 4/263:15 pm
LAX
-
TRS
1 stop34h 10m
ITA Airways
Wed 5/63:15 pm
TRS
-
LAX
1 stop31h 00m
ITA Airways
Deal found 1/25$563
This oojo deal was found by Cheapflights users on 1/28. 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 4/63:15 pm
LAX
-
TRS
1 stop22h 40m
ITA Airways
Fri 4/176:35 am
TRS
-
LAX
1 stop15h 40m
ITA Airways
Deal found 1/28$565
This Gotogate deal was found by Cheapflights users on 1/26. 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 3/124:20 pm
LAX
-
TRS
1 stop22h 35m
ITA Airways
Thu 3/196:35 am
TRS
-
LAX
1 stop15h 55m
ITA Airways
Deal found 1/26$605
This oojo deal was found by Cheapflights users on 1/27. 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.
Wed 4/293:15 pm
LAX
-
TRS
1 stop22h 40m
ITA Airways
Thu 5/146:35 am
TRS
-
LAX
1 stop15h 40m
ITA Airways
Deal found 1/27$616
This FlightHub deal was found by Cheapflights users on 1/26. 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.
Fri 4/243:15 pm
LAX
-
TRS
1 stop18h 15m
ITA Airways
Mon 5/43:15 pm
TRS
-
LAX
2 stops41h 00m
ITA Airways
Deal found 1/26$631
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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.
Wed 3/184:54 pm
LAX
-
TRS
2 stops21h 46m
Lufthansa
Wed 4/16:10 am
TRS
-
LAX
2 stops20h 41m
Lufthansa
Deal found 1/27$634
This Expedia deal was found by Cheapflights users on 1/27. 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.
Fri 3/1311:03 am
SAN
-
TRS
2 stops19h 02m
Lufthansa
Fri 3/206:25 am
TRS
-
SAN
2 stops18h 20m
Lufthansa
Deal found 1/27$783
This Ovago deal was found by Cheapflights users on 1/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/132:35 pm
SFO
-
TRS
1 stop15h 30m
Lufthansa
Fri 3/206:25 am
TRS
-
SFO
1 stop18h 30m
Lufthansa
Deal found 1/26$835
This KAYAK deal was found by Cheapflights users on 1/26. 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.
Wed 6/173:15 pm
SFO
-
TRS
1 stop34h 10m
ITA Airways
Thu 10/86:35 am
TRS
-
SFO
1 stop15h 40m
ITA Airways
Deal found 1/26$876
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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.
Wed 3/181:27 pm
SNA
-
TRS
2 stops16h 38m
Multiple Airlines
Wed 4/111:15 am
TRS
-
SNA
2 stops18h 32m
Multiple Airlines
Deal found 1/27$909
This ITA Airways deal was found by Cheapflights users on 1/25. 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.
Fri 2/279:24 am
SFO
-
TRS
2 stops28h 31m
ITA Airways
Tue 3/37:15 pm
TRS
-
SFO
2 stops32h 40m
ITA Airways
Deal found 1/25$938
This Expedia deal was found by Cheapflights users on 1/26. 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.
Thu 3/127:00 am
BUR
-
TRS
2 stops31h 30m
Multiple Airlines
Thu 3/196:15 am
TRS
-
BUR
2 stops23h 44m
Multiple Airlines
Deal found 1/26$1,044

Find flight deals from California to Trieste

Keep the following information in mind while searching for California to Trieste flight deals. Data was last updated January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$563
(Mytrip)

One-way from

$270
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$6,200
Provider with most accurate pricing for Los Angeles-Trieste Ronchi dei Legionari flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Trieste Ronchi dei Legionari flights.
Search Deals
From California to Trieste Ronchi dei Legionari
Search Deals
One-way flight from California to Trieste Ronchi dei Legionari
Search Deals
Highest demand for flights based on searches. 61% potential increase in price ($2,244 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 62% potential price decrease ($534 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 28, 2026.
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

Los AngelesTrieste

LAX - TRS

LAXTRS

Los Angeles

Sun 4/26

3:15 pm-10:25 am

1 stop34h 10m

Trieste Ronchi dei Legionari

Wed 5/6

3:15 pm-1:15 pm

1 stop31h 00m

$563

Los AngelesTrieste

LAX - TRS

LAXTRS

Los Angeles

Mon 4/6

3:15 pm-10:55 pm

1 stop22h 40m

Trieste Ronchi dei Legionari

Fri 4/17

6:35 am-1:15 pm

1 stop15h 40m

$565

Los AngelesTrieste

LAX - TRS

LAXTRS

Los Angeles

Thu 3/12

4:20 pm-10:55 pm

1 stop22h 35m

Trieste Ronchi dei Legionari

Thu 3/19

6:35 am-2:30 pm

1 stop15h 55m

$605

Los AngelesTrieste

LAX - TRS

LAXTRS

Los Angeles

Fri 4/24

3:15 pm-10:25 am

1 stop34h 10m

Trieste Ronchi dei Legionari

Mon 5/4

11:15 am-1:15 pm

1 stop35h 00m

$610

Los AngelesTrieste

LAX - TRS

LAXTRS

Los Angeles

Wed 4/29

3:15 pm-2:30 pm

1 stop14h 15m

Trieste Ronchi dei Legionari

Thu 5/14

6:35 am-1:15 pm

1 stop15h 40m

$616

Los AngelesTrieste

LAX - TRS

LAXTRS

Los Angeles

Wed 3/18

2:15 pm-10:40 pm

2 stops24h 25m

Trieste Ronchi dei Legionari

Wed 4/1

6:10 am-11:58 pm

2 stops26h 48m

$649

Los AngelesTrieste

LAX - TRS

LAXTRS

Los Angeles

Wed 3/18

4:54 pm-10:40 pm

2 stops21h 46m

Trieste Ronchi dei Legionari

Tue 4/7

2:45 pm-11:58 pm

2 stops18h 13m

$686

Los AngelesTrieste

LAX - TRS

LAXTRS

Los Angeles

Wed 3/18

8:15 am-10:55 pm

2 stops30h 40m

Trieste Ronchi dei Legionari

Mon 4/6

7:15 pm-1:15 pm

1 stop27h 00m

$736

San DiegoTrieste

SAN - TRS

SANTRS

San Diego

Fri 3/13

11:03 am-2:05 pm

2 stops19h 02m

Trieste Ronchi dei Legionari

Fri 3/20

6:25 am-4:45 pm

2 stops18h 20m

$783

San FranciscoTrieste

SFO - TRS

SFOTRS

San Francisco

Fri 3/13

2:35 pm-2:05 pm

1 stop15h 30m

Trieste Ronchi dei Legionari

Fri 3/20

6:25 am-4:55 pm

1 stop18h 30m

$835

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 56 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, October is the cheapest month in which you can book a flight from California to Trieste (average of $383). Flying from California to Trieste in June is currently the most expensive (average of $603). 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.

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 19h 02m. Airlines will cover a distance of 6192 mi. This flight may include one or multiple stops.

  • 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, Santa Ana J. Wayne/Orange Cnty - Trieste Ronchi dei Legionari or San Francisco - 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, October is the cheapest month in which you can book a flight from California to Trieste (average of $383). Flying from California to Trieste in June is currently the most expensive (average of $603). 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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
ITA AirwaysCheapest$579Average$1,048FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$691Average$1,210FlexibilityNo cancel feeOn-time76%

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