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Cheap flights from Los Angeles to Trieste from $399

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Los Angeles to Trieste departing on 5/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Los Angeles to Trieste

Cheap round-trip flights

Enter your travel dates to find the best prices.
ITA Airways Logo
3:15 pm - 10:55 pm
LAX
-
TRS
22h 40m
1 stop
ITA Airways Logo
6:35 am - 1:15 pm
TRS
-
LAX
15h 40m
1 stop
$565ITA Airways
Mon, Apr 6 - Fri, Apr 17
ITA Airways Logo
3:15 pm - 10:55 pm
LAX
-
TRS
22h 40m
1 stop
ITA Airways Logo
6:35 am - 10:13 pm
TRS
-
LAX
24h 38m
2 stops
$607ITA Airways
Mon, Apr 6 - Fri, Apr 17
ITA Airways Logo
3:15 pm - 10:55 pm
LAX
-
TRS
22h 40m
1 stop
ITA Airways Logo
6:35 am - 1:15 pm
TRS
-
LAX
15h 40m
1 stop
$616ITA Airways
Wed, Apr 29 - Thu, May 14
ITA Airways Logo
3:15 pm - 10:55 pm
LAX
-
TRS
22h 40m
1 stop
ITA Airways Logo
6:35 am - 1:15 pm
TRS
-
LAX
15h 40m
1 stop
$617ITA Airways
Wed, Apr 29 - Thu, May 14
ITA Airways Logo
3:15 pm - 10:25 am
LAX
-
TRS
34h 10m
1 stop
ITA Airways Logo
6:35 am - 9:15 pm
TRS
-
LAX
23h 40m
2 stops
$620ITA Airways
Wed, Apr 29 - Thu, May 14
Lufthansa Logo
4:54 pm - 10:40 pm
LAX
-
TRS
21h 46m
2 stops
Lufthansa Logo
6:10 am - 5:51 pm
TRS
-
LAX
20h 41m
2 stops
$634Lufthansa
Wed, Mar 18 - Wed, Apr 1
Lufthansa Logo
2:15 pm - 10:40 pm
LAX
-
TRS
24h 25m
2 stops
Lufthansa Logo
6:10 am - 11:58 pm
TRS
-
LAX
26h 48m
2 stops
$649Lufthansa
Wed, Mar 18 - Wed, Apr 1
Lufthansa Logo
4:54 pm - 10:40 pm
LAX
-
TRS
21h 46m
2 stops
Lufthansa Logo
2:45 pm - 11:58 pm
TRS
-
LAX
18h 13m
2 stops
$686Lufthansa
Wed, Mar 18 - Tue, Apr 7
Lufthansa Logo
8:45 am - 10:40 pm
LAX
-
TRS
29h 55m
2 stops
Lufthansa Logo
6:00 am - 3:15 pm
TRS
-
LAX
18h 15m
2 stops
$692Lufthansa
Wed, Mar 18 - Thu, Apr 2
Lufthansa Logo
4:54 pm - 10:40 pm
LAX
-
TRS
21h 46m
2 stops
Lufthansa Logo
2:45 pm - 1:10 pm
TRS
-
LAX
31h 25m
1 stop
$697Lufthansa
Wed, Mar 18 - Tue, Apr 7

ITA Airways flights from Los Angeles to Trieste

Our best ITA Airways deals on Los Angeles to Trieste flight tickets
ITA Airways
Apr 6
LAX3:15 pmLos Angeles
22h 40m
1 stop
TRS10:55 pmTrieste Ronchi dei Legionari
Apr 17
TRS6:35 amTrieste Ronchi dei Legionari
15h 40m
1 stop
LAX1:15 pmLos Angeles
$565
ITA Airways
Apr 6
LAX3:15 pmLos Angeles
22h 40m
1 stop
TRS10:55 pmTrieste Ronchi dei Legionari
Apr 17
TRS6:35 amTrieste Ronchi dei Legionari
24h 38m
2 stops
LAX10:13 pmLos Angeles
$607
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
$616

Lufthansa flights from Los Angeles to Trieste

Our best Lufthansa deals on Los Angeles to Trieste flight tickets
Lufthansa
Mar 18
LAX4:54 pmLos Angeles
21h 46m
2 stops
TRS10:40 pmTrieste Ronchi dei Legionari
Apr 1
TRS6:10 amTrieste Ronchi dei Legionari
20h 41m
2 stops
LAX5:51 pmLos Angeles
$634
Lufthansa
Mar 18
LAX2:15 pmLos Angeles
24h 25m
2 stops
TRS10:40 pmTrieste Ronchi dei Legionari
Apr 1
TRS6:10 amTrieste Ronchi dei Legionari
26h 48m
2 stops
LAX11:58 pmLos Angeles
$649
Lufthansa
Mar 18
LAX4:54 pmLos Angeles
21h 46m
2 stops
TRS10:40 pmTrieste Ronchi dei Legionari
Apr 7
TRS2:45 pmTrieste Ronchi dei Legionari
18h 13m
2 stops
LAX11:58 pmLos Angeles
$686

momondo Fare Finder

 
Customize your flight search to find flights from Los Angeles 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, momondo users made 832,500 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Los Angeles to Trieste that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

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

Mon 4/6

3:15 pm-10:55 pm

1 stop22h 40m

Trieste Ronchi dei Legionari

Fri 4/17

6:35 am-10:13 pm

2 stops24h 38m

$607

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

$616

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

$617

Los AngelesTrieste

LAX - TRS

LAXTRS

Los Angeles

Wed 4/29

3:15 pm-10:25 am

1 stop34h 10m

Trieste Ronchi dei Legionari

Thu 5/14

6:35 am-9:15 pm

2 stops23h 40m

$620

Los AngelesTrieste

LAX - TRS

LAXTRS

Los Angeles

Wed 3/18

4:54 pm-10:40 pm

2 stops21h 46m

Trieste Ronchi dei Legionari

Wed 4/1

6:10 am-5:51 pm

2 stops20h 41m

$634

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

8:45 am-10:40 pm

2 stops29h 55m

Trieste Ronchi dei Legionari

Thu 4/2

6:00 am-3:15 pm

2 stops18h 15m

$692

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-1:10 pm

1 stop31h 25m

$697

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Trieste from

How to get the cheapest flight ticket from Los Angeles 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

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

United Airlines and ITA Airways are the most popular carriers operating from Los Angeles to Trieste Ronchi dei Legionari

What airlines fly to Trieste?

British Airways, United Airlines and Lufthansa are the top three most popular airlines that fly to Trieste from Los Angeles according to our data. British Airways is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 15 different airlines that fly to Trieste on a routine basis, so you have a few additional options to choose from.

When to book flights from Los Angeles to Trieste

Are you open to changing your travel dates? Check out the ideal times to fly from Los Angeles to Trieste according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Los Angeles to Trieste (LAX to TRS) flight deals and tips

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

Fastest flight time

21h 10m

Direct flights

None
The fastest flight from Los Angeles to Trieste takes 21h 10m
There are no direct flights from Los Angeles to Trieste. There are no popular flight routes from Los Angeles to Trieste.
Search flight deals

  • How far is Los Angeles to Trieste Ronchi dei Legionari by plane?

    There are 6165.6 mi between Los Angeles and Trieste Ronchi dei Legionari. By plane, this route typically takes 21h 10m.

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

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

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

  • How old do you have to be to fly from Los Angeles Airport to Trieste Ronchi dei Legionari Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Los Angeles Airport 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 you'll need for your trip to Trieste Ronchi dei Legionari Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Trieste Ronchi dei Legionari Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Los Angeles to Trieste?

Best airlines flying from Los Angeles to Trieste

Compare and see reviews for airlines that fly from Los Angeles to Trieste with momondo
Airline
Rating
Free Cancellation
Price
ITA AirwaysPriceFrom $579Free CancellationRating
6.7
1,137 reviews
Search ITA Airways flights
LufthansaPriceFrom $691Free CancellationRating
6.8
7,756 reviews
Search Lufthansa flights

Traveling to a place near Trieste?

Book flights to Trieste if you plan to visit one of these locations
Udine
Grado

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Los Angeles to Trieste for you.

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

Flights from Los Angeles to Trieste with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Los Angeles to Trieste?

momondo helps you find the best flight between Los Angeles and Trieste by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Los Angeles to Trieste flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Trieste trip

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Fly your favorite airline to Trieste

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
British Airways
United Airlines
Lufthansa
Delta
ITA Airways
SWISS
American Airlines
Air France
Iberia
Austrian Airlines
Scandinavian Airlines
Air Canada
Turkish Airlines
KLM
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