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Cheap flights from Louisiana to Trieste from $793

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Louisiana to Trieste departing on 4/11. 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 Louisiana to Trieste

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
12:44 pm - 6:30 pm
MSY
-
TRS
22h 46m2 stops
Lufthansa Logo
6:00 am - 7:44 pm
TRS
-
MSY
20h 44m2 stops
$793Lufthansa
Sat, Apr 11 - Sat, Apr 18
United Airlines Logo
10:30 am - 10:25 am
MSY
-
TRS
16h 55m2 stops
United Airlines Logo
6:35 am - 7:45 pm
TRS
-
MSY
20h 10m2 stops
$1,436United Airlines
Thu, Jan 22 - Mon, Jan 26
United Airlines Logo
2:25 pm - 10:25 am
MSY
-
TRS
37h 00m2 stops
United Airlines Logo
6:35 am - 10:38 pm
TRS
-
MSY
23h 03m2 stops
$2,044United Airlines
Fri, Feb 27 - Mon, Mar 2
United Airlines Logo
5:08 pm - 10:25 am
MSY
-
TRS
34h 17m2 stops
United Airlines Logo
6:35 am - 10:38 pm
TRS
-
MSY
23h 03m2 stops
$2,053United Airlines
Fri, Feb 27 - Mon, Mar 2
United Airlines Logo
12:48 pm - 10:25 am
MSY
-
TRS
38h 37m3 stops
United Airlines Logo
6:35 am - 10:38 pm
TRS
-
MSY
23h 03m2 stops
$2,056United Airlines
Fri, Feb 27 - Mon, Mar 2
United Airlines Logo
12:48 pm - 10:25 am
MSY
-
TRS
38h 37m3 stops
United Airlines Logo
6:35 am - 10:38 pm
TRS
-
MSY
23h 03m2 stops
$2,064United Airlines
Fri, Feb 27 - Mon, Mar 2

United Airlines flights from Louisiana to Trieste

Our best United Airlines deals on Louisiana to Trieste flight tickets
United Airlines
Jan 22
MSY10:30 amNew Orleans Louis Armstrong
16h 55m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Jan 26
TRS6:35 amTrieste Ronchi dei Legionari
20h 10m
2 stops
MSY7:45 pmNew Orleans Louis Armstrong
$1,436
Find similar
United Airlines
Feb 27
MSY2:25 pmNew Orleans Louis Armstrong
37h 00m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Mar 2
TRS6:35 amTrieste Ronchi dei Legionari
23h 03m
2 stops
MSY10:38 pmNew Orleans Louis Armstrong
$2,044
Find similar
United Airlines
Feb 27
MSY5:08 pmNew Orleans Louis Armstrong
34h 17m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Mar 2
TRS6:35 amTrieste Ronchi dei Legionari
23h 03m
2 stops
MSY10:38 pmNew Orleans Louis Armstrong
$2,053
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Louisiana 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 December 27, 2025.
Use the filters below to find and compare flights from Louisiana to Trieste that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New OrleansTrieste

MSY - TRS

MSYTRS

New Orleans Louis Armstrong

Sat 4/11

12:44 pm-6:30 pm

2 stops22h 46m

Trieste Ronchi dei Legionari

Sat 4/18

6:00 am-7:44 pm

2 stops20h 44m

$793

New OrleansTrieste

MSY - TRS

MSYTRS

New Orleans Louis Armstrong

Thu 1/22

10:30 am-10:25 am

2 stops16h 55m

Trieste Ronchi dei Legionari

Mon 1/26

6:35 am-7:45 pm

2 stops20h 10m

$1,436

New OrleansTrieste

MSY - TRS

MSYTRS

New Orleans Louis Armstrong

Fri 2/27

2:25 pm-10:25 am

2 stops37h 00m

Trieste Ronchi dei Legionari

Mon 3/2

6:35 am-10:38 pm

2 stops23h 03m

$2,044

New OrleansTrieste

MSY - TRS

MSYTRS

New Orleans Louis Armstrong

Fri 2/27

5:08 pm-10:25 am

2 stops34h 17m

Trieste Ronchi dei Legionari

Mon 3/2

6:35 am-10:38 pm

2 stops23h 03m

$2,053

New OrleansTrieste

MSY - TRS

MSYTRS

New Orleans Louis Armstrong

Fri 2/27

12:48 pm-10:25 am

3 stops38h 37m

Trieste Ronchi dei Legionari

Mon 3/2

6:35 am-10:38 pm

2 stops23h 03m

$2,056

New OrleansTrieste

MSY - TRS

MSYTRS

New Orleans Louis Armstrong

Fri 2/27

12:48 pm-10:25 am

3 stops38h 37m

Trieste Ronchi dei Legionari

Mon 3/2

6:35 am-10:38 pm

2 stops23h 03m

$2,064

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Trieste from

How to get the cheapest flight ticket from Louisiana 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 airlines fly to Trieste?

United Airlines, British Airways and American Airlines are the top three most popular airlines that fly to Trieste from Louisiana according to our data. United Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 5 different airlines that fly to Trieste on a routine basis, so you have a few additional options to choose from.

Cheap Louisiana to Trieste flight deals and tips

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

Fastest flight time

16h 55m

Direct flights

None
The fastest flight from Louisiana to Trieste takes 16h 55m
There are no direct flights from Louisiana to Trieste. There are no popular flight routes from Louisiana to Trieste.
Search flight deals

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

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

  • How old do you have to be to fly from Louisiana 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 Louisiana 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.

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 Louisiana to Trieste?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Louisiana to Trieste. momondo saves you time and could save you money on your trip.

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

All flight searches from Louisiana to Trieste on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Louisiana 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 Louisiana to Trieste right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Louisiana 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.

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Mon 1/26
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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
United Airlines
British Airways
American Airlines
Delta
Lufthansa