What is the cheapest airline that flies from California to Trieste Ronchi dei Legionari?

Lufthansa, ITA Airways, and United Airlines are the most popular carriers operating from California to Trieste Ronchi dei Legionari

What airlines fly to Trieste?

United Airlines, British Airways and Lufthansa are the top three most popular airlines that fly to Trieste from California according to our data. United Airlines is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 17 different airlines that fly to Trieste on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Trieste?

Average flight duration from California to Trieste depends on which airport you fly into and out of. Flying from Los Angeles to Venice Marco Polo Airport is 14h on average, while flying from San Francisco to Venice Marco Polo Airport is 14h 15m on average. Venice Marco Polo Airport is the most popular airport in Trieste.

When did momondo last update prices for flights from California to Trieste Ronchi dei Legionari Airport?

Prices for flights from California to Trieste Ronchi dei Legionari Airport are refreshed on a daily basis.

How many operators does momondo search for flights from California to Trieste Ronchi dei Legionari Airport?

As of March 2026, there are 2 operators available to choose from for flights from California to Trieste Ronchi dei Legionari Airport.

How old do you have to be to fly from California to Trieste Ronchi dei Legionari Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from California to Trieste Ronchi dei Legionari Airport.

What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?

The travel and health documents required for your trip to Trieste Ronchi dei Legionari Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Trieste Ronchi dei Legionari Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$398 Cheap Flights from California to Trieste in 2026

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Find the cheapest flights from California to Trieste

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:05 pm - 10:25 pm

LAX

TRS

22h 20m

1 stop

2:40 pm - 11:59 pm

TRS

LAX

18h 19m

2 stops

$780Lufthansa

Wed, Apr 29 - Thu, May 14

3:05 pm - 1:45 pm

LAX

TRS

13h 40m

1 stop

2:45 pm - 1:10 pm

TRS

LAX

31h 25m

1 stop

$784Lufthansa

Sun, Apr 5 - Tue, Apr 14

5:30 pm - 10:25 pm

LAX

TRS

19h 55m

2 stops

2:40 pm - 11:59 pm

TRS

LAX

18h 19m

2 stops

$798Lufthansa

Wed, Apr 29 - Thu, May 14

5:30 pm - 10:15 pm

LAX

TRS

19h 45m

2 stops

2:45 pm - 1:10 pm

TRS

LAX

31h 25m

1 stop

$813Lufthansa

Sun, Apr 5 - Tue, Apr 14

3:15 pm - 10:55 pm

LAX

TRS

22h 40m

1 stop

6:35 am - 1:15 pm

TRS

LAX

15h 40m

1 stop

$816ITA Airways

Wed, Apr 29 - Thu, May 14

3:15 pm - 10:55 pm

LAX

TRS

22h 40m

1 stop

6:35 am - 1:15 pm

TRS

LAX

15h 40m

1 stop

$836ITA Airways

Wed, Apr 29 - Thu, May 14

4:30 pm - 10:15 pm

SFO

TRS

20h 45m

1 stop

2:40 pm - 2:30 pm

TRS

SFO

32h 50m

1 stop

$945Multiple Airlines

Thu, May 7 - Thu, May 14

2:15 pm - 10:15 pm

SAN

TRS

23h 00m

2 stops

6:15 am - 9:10 pm

TRS

SAN

23h 55m

2 stops

$1,000Multiple Airlines

Thu, May 7 - Thu, May 14

11:53 am - 10:25 am

SMF

TRS

37h 32m

2 stops

6:35 am - 9:12 pm

TRS

SMF

23h 37m

2 stops

$1,052United Airlines

Sun, Aug 16 - Thu, Aug 20

10:50 am - 10:25 am

SMF

TRS

38h 35m

3 stops

6:35 am - 9:12 pm

TRS

SMF

23h 37m

2 stops

$1,066United Airlines

Sun, Aug 16 - Thu, Aug 20

ITA Airways flights from California to Trieste

Our best ITA Airways deals on California to Trieste flight tickets

ITA Airways

Apr 29

LAX3:15 pmLos Angeles

22h 40m

1 stop

TRS10:55 pmTrieste Ronchi dei Legionari

May 14

TRS6:35 amTrieste Ronchi dei Legionari

15h 40m

1 stop

LAX1:15 pmLos Angeles

$816

ITA Airways

Apr 29

LAX3:15 pmLos Angeles

22h 40m

1 stop

TRS10:55 pmTrieste Ronchi dei Legionari

May 14

TRS6:35 amTrieste Ronchi dei Legionari

15h 40m

1 stop

LAX1:15 pmLos Angeles

$836

ITA Airways

Sep 15

LAX3:15 pmLos Angeles

22h 40m

1 stop

TRS10:55 pmTrieste Ronchi dei Legionari

Sep 23

TRS6:35 amTrieste Ronchi dei Legionari

15h 40m

1 stop

LAX1:15 pmLos Angeles

$882

Lufthansa flights from California to Trieste

Our best Lufthansa deals on California to Trieste flight tickets

Lufthansa

Apr 29

LAX3:05 pmLos Angeles

22h 20m

1 stop

TRS10:25 pmTrieste Ronchi dei Legionari

May 14

TRS2:40 pmTrieste Ronchi dei Legionari

18h 19m

2 stops

LAX11:59 pmLos Angeles

$780

Lufthansa

Apr 5

LAX3:05 pmLos Angeles

13h 40m

1 stop

TRS1:45 pmTrieste Ronchi dei Legionari

Apr 14

TRS2:45 pmTrieste Ronchi dei Legionari

31h 25m

1 stop

LAX1:10 pmLos Angeles

$784

Lufthansa

Apr 29

LAX5:30 pmLos Angeles

19h 55m

2 stops

TRS10:25 pmTrieste Ronchi dei Legionari

May 14

TRS2:40 pmTrieste Ronchi dei Legionari

18h 19m

2 stops

LAX11:59 pmLos Angeles

$798

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesTrieste

LAX - TRS

LAXTRS

Los Angeles

Wed 4/29

3:05 pm-10:25 pm

1 stop22h 20m

Trieste Ronchi dei Legionari

Thu 5/14

2:40 pm-11:59 pm

2 stops18h 19m

$780

Los AngelesTrieste

LAX - TRS

LAXTRS

Los Angeles

Sun 4/5

3:05 pm-1:45 pm

1 stop13h 40m

Trieste Ronchi dei Legionari

Tue 4/14

2:45 pm-1:10 pm

1 stop31h 25m

$784

Quickest round-trip

Los AngelesTrieste

LAX - TRS

LAXTRS

Los Angeles

Wed 4/29

5:30 pm-10:25 pm

2 stops19h 55m

Trieste Ronchi dei Legionari

Thu 5/14

2:40 pm-11:59 pm

2 stops18h 19m

$798

Los AngelesTrieste

LAX - TRS

LAXTRS

Los Angeles

Sun 4/5

5:30 pm-10:15 pm

2 stops19h 45m

Trieste Ronchi dei Legionari

Tue 4/14

2:45 pm-1:10 pm

1 stop31h 25m

$813

Los AngelesTrieste

LAX - TRS

LAXTRS

Los Angeles

Wed 4/29

3:15 pm-10:55 pm

1 stop22h 40m

Trieste Ronchi dei Legionari

Thu 5/14

6:35 am-1:15 pm

1 stop15h 40m

$816

Los AngelesTrieste

LAX - TRS

LAXTRS

Los Angeles

Wed 4/29

3:15 pm-10:55 pm

1 stop22h 40m

Trieste Ronchi dei Legionari

Thu 5/14

6:35 am-1:15 pm

1 stop15h 40m

$836

San FranciscoTrieste

SFO - TRS

SFOTRS

San Francisco

Thu 5/7

4:30 pm-10:15 pm

1 stop20h 45m

Trieste Ronchi dei Legionari

Thu 5/14

2:40 pm-2:30 pm

1 stop32h 50m

$945

San DiegoTrieste

SAN - TRS

SANTRS

San Diego

Thu 5/7

2:15 pm-10:15 pm

2 stops23h 00m

Trieste Ronchi dei Legionari

Thu 5/14

6:15 am-9:10 pm

2 stops23h 55m

$1,000

SacramentoTrieste

SMF - TRS

SMFTRS

Sacramento Intl

Sun 8/16

11:53 am-10:25 am

2 stops37h 32m

Trieste Ronchi dei Legionari

Thu 8/20

6:35 am-9:12 pm

2 stops23h 37m

$1,052

SacramentoTrieste

SMF - TRS

SMFTRS

Sacramento Intl

Sun 8/16

10:50 am-10:25 am

3 stops38h 35m

Trieste Ronchi dei Legionari

Thu 8/20

6:35 am-9:12 pm

2 stops23h 37m

$1,066

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from California to Trieste

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

Can stopping save me money on California to Trieste flights?

You could potentially save up to 20% on your flight if you consider stops on a California to Trieste flight.

Cheap California to Trieste flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Trieste

Fastest flight time	14h 05m
Direct flights	None

The fastest flight from California to Trieste takes 14h 05m

There are no direct flights from California to Trieste. There are no popular flight routes from California to Trieste.

Search flight deals

When did momondo last update prices for flights from California to Trieste Ronchi dei Legionari Airport?
Prices for flights from California to Trieste Ronchi dei Legionari Airport are refreshed on a daily basis.
How many operators does momondo search for flights from California to Trieste Ronchi dei Legionari Airport?
As of March 2026, there are 2 operators available to choose from for flights from California to Trieste Ronchi dei Legionari Airport.
How old do you have to be to fly from California to Trieste Ronchi dei Legionari Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from California to Trieste Ronchi dei Legionari Airport.
What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?
The travel and health documents required for your trip to Trieste Ronchi dei Legionari Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Trieste Ronchi dei Legionari Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from California to Trieste

Compare and see reviews for airlines that fly from California to Trieste with momondo

Airline	Rating	Free Cancellation	Price
ITA Airways	PriceFrom $579	Free Cancellation	Rating 6.7 1,173 reviews		Search ITA Airways flights
Lufthansa	PriceFrom $691	Free Cancellation	Rating 6.8 7,871 reviews		Search Lufthansa flights

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Why should I use momondo to find a flight deal from California to Trieste?

It is quick and easy to find California to Trieste flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Trieste that suits you.

Can I find flights from California to Trieste with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Trieste from California with this policy.

How can momondo help me find flights from California to Trieste?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from California to Trieste.

I’m not ready to book a flight from California to Trieste right now. Can momondo alert me if prices change?

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