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Cheap flights from New York LaGuardia Airport to Trieste from $528

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from New York LaGuardia Airport to Trieste departing on 3/24. 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 New York LaGuardia Airport to Trieste

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:40 pm - 6:50 pm
LGA
-
TRS
25h 10m
3 stops
Multiple Airlines Logo
6:35 am - 9:30 pm
TRS
-
LGA
20h 55m
3 stops
$528Multiple Airlines
Tue, Mar 24 - Thu, Apr 9
Multiple Airlines Logo
3:20 pm - 2:00 pm
LGA
-
TRS
17h 40m
2 stops
Multiple Airlines Logo
6:00 am - 7:31 pm
TRS
-
LGA
19h 31m
2 stops
$762Multiple Airlines
Tue, Mar 24 - Thu, Apr 9
Multiple Airlines Logo
3:20 pm - 2:00 pm
LGA
-
TRS
17h 40m
2 stops
Multiple Airlines Logo
6:00 am - 7:31 pm
TRS
-
LGA
19h 31m
2 stops
$790Multiple Airlines
Tue, Mar 24 - Thu, Apr 9
Multiple Airlines Logo
4:00 pm - 1:55 pm
LGA
-
TRS
15h 55m
2 stops
Multiple Airlines Logo
6:00 am - 2:58 pm
TRS
-
LGA
14h 58m
2 stops
$934Multiple Airlines
Mon, Apr 13 - Sat, Apr 25
Multiple Airlines Logo
3:20 pm - 1:00 pm
LGA
-
TRS
16h 40m
2 stops
Multiple Airlines Logo
6:00 am - 2:58 pm
TRS
-
LGA
14h 58m
2 stops
$990Multiple Airlines
Sat, Mar 28 - Sat, Apr 4
United Airlines Logo
1:15 pm - 10:25 am
LGA
-
TRS
15h 10m
2 stops
United Airlines Logo
6:35 am - 7:21 pm
TRS
-
LGA
17h 46m
2 stops
$1,038United Airlines
Mon, Feb 23 - Wed, Mar 11
United Airlines Logo
5:40 pm - 10:25 am
LGA
-
TRS
35h 45m
2 stops
United Airlines Logo
6:35 am - 11:44 pm
TRS
-
LGA
22h 09m
2 stops
$1,087United Airlines
Tue, Mar 17 - Wed, Mar 25
United Airlines Logo
6:30 am - 10:25 am
LGA
-
TRS
45h 55m
2 stops
United Airlines Logo
6:35 am - 6:27 pm
TRS
-
LGA
17h 52m
2 stops
$1,161United Airlines
Sat, Jul 11 - Thu, Jul 23
Multiple Airlines Logo
4:00 pm - 2:00 pm
LGA
-
TRS
16h 00m
2 stops
Multiple Airlines Logo
6:10 am - 4:58 pm
TRS
-
LGA
16h 48m
2 stops
$1,257Multiple Airlines
Wed, Apr 15 - Wed, Apr 22
Multiple Airlines Logo
5:40 pm - 10:15 pm
LGA
-
TRS
22h 35m
2 stops
Multiple Airlines Logo
2:40 pm - 2:37 pm
TRS
-
LGA
29h 57m
2 stops
$1,565Multiple Airlines
Sat, Jun 27 - Fri, Jul 3

United Airlines flights from New York LaGuardia Airport to Trieste

Our best United Airlines deals on New York LaGuardia Airport to Trieste flight tickets
United Airlines
Mar 17
LGA5:40 pmNew York LaGuardia
35h 45m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Mar 25
TRS6:35 amTrieste Ronchi dei Legionari
22h 09m
2 stops
LGA11:44 pmNew York LaGuardia
$1,087
United Airlines
May 16
LGA7:20 pmNew York LaGuardia
33h 05m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Jun 13
TRS6:35 amTrieste Ronchi dei Legionari
16h 23m
2 stops
LGA4:58 pmNew York LaGuardia
$1,954
United Airlines
Jun 4
LGA6:05 amNew York LaGuardia
22h 20m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Jun 13
TRS6:35 amTrieste Ronchi dei Legionari
16h 23m
2 stops
LGA4:58 pmNew York LaGuardia
$2,028

momondo Fare Finder

 
Customize your flight search to find flights from New York LaGuardia Airport 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 21, 2026.
Use the filters below to find and compare flights from New York LaGuardia Airport to Trieste that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkTrieste

LGA - TRS

LGATRS

New York LaGuardia

Tue 3/24

12:40 pm-6:50 pm

3 stops25h 10m

Trieste Ronchi dei Legionari

Thu 4/9

6:35 am-9:30 pm

3 stops20h 55m

$528

New YorkTrieste

LGA - TRS

LGATRS

New York LaGuardia

Tue 3/24

3:20 pm-2:00 pm

2 stops17h 40m

Trieste Ronchi dei Legionari

Thu 4/9

6:00 am-7:31 pm

2 stops19h 31m

$762

New YorkTrieste

LGA - TRS

LGATRS

New York LaGuardia

Tue 3/24

3:20 pm-2:00 pm

2 stops17h 40m

Trieste Ronchi dei Legionari

Thu 4/9

6:00 am-7:31 pm

2 stops19h 31m

$790

New YorkTrieste

LGA - TRS

LGATRS

New York LaGuardia

Mon 4/13

4:00 pm-1:55 pm

2 stops15h 55m

Trieste Ronchi dei Legionari

Sat 4/25

6:00 am-2:58 pm

2 stops14h 58m

$934

New YorkTrieste

LGA - TRS

LGATRS

New York LaGuardia

Sat 3/28

3:20 pm-1:00 pm

2 stops16h 40m

Trieste Ronchi dei Legionari

Sat 4/4

6:00 am-2:58 pm

2 stops14h 58m

$990

New YorkTrieste

LGA - TRS

LGATRS

New York LaGuardia

Mon 2/23

1:15 pm-10:25 am

2 stops15h 10m

Trieste Ronchi dei Legionari

Wed 3/11

6:35 am-7:21 pm

2 stops17h 46m

$1,038

New YorkTrieste

LGA - TRS

LGATRS

New York LaGuardia

Tue 3/17

5:40 pm-10:25 am

2 stops35h 45m

Trieste Ronchi dei Legionari

Wed 3/25

6:35 am-11:44 pm

2 stops22h 09m

$1,087

New YorkTrieste

LGA - TRS

LGATRS

New York LaGuardia

Sat 7/11

6:30 am-10:25 am

2 stops45h 55m

Trieste Ronchi dei Legionari

Thu 7/23

6:35 am-6:27 pm

2 stops17h 52m

$1,161

New YorkTrieste

LGA - TRS

LGATRS

New York LaGuardia

Wed 4/15

4:00 pm-2:00 pm

2 stops16h 00m

Trieste Ronchi dei Legionari

Wed 4/22

6:10 am-4:58 pm

2 stops16h 48m

$1,257

New YorkTrieste

LGA - TRS

LGATRS

New York LaGuardia

Sat 6/27

5:40 pm-10:15 pm

2 stops22h 35m

Trieste Ronchi dei Legionari

Fri 7/3

2:40 pm-2:37 pm

2 stops29h 57m

$1,565

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Trieste from

How to get the cheapest flight ticket from New York LaGuardia Airport 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 New York LaGuardia to Trieste Ronchi dei Legionari?

Lufthansa is the most popular carrier operating from New York LaGuardia to Trieste Ronchi dei Legionari

When to book flights from New York LaGuardia Airport to Trieste

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

Cheap New York LaGuardia Airport to Trieste (LGA to TRS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New York LaGuardia Airport to Trieste

Fastest flight time

15h 10m

Direct flights

None
The fastest flight from New York LaGuardia Airport to Trieste takes 15h 10m
There are no direct flights from New York LaGuardia Airport to Trieste. There are no popular flight routes from New York LaGuardia Airport to Trieste.
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  • How far is New York LaGuardia to Trieste Ronchi dei Legionari by plane?

    Trieste Ronchi dei Legionari is 4193.8 mi away from New York LaGuardia. 15h 10m is a normal flight duration for this route.

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

    Prices for flights from New York LaGuardia Airport to Trieste Ronchi dei Legionari Airport refresh daily.

  • How old do you have to be to fly from New York LaGuardia 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 New York LaGuardia 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 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.

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 New York 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 New York to Trieste for you.

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

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

How can momondo help me find flights from New York to Trieste?

Once you have performed a search for New York to Trieste flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Trieste, momondo offers a useful price alert feature which will track prices for flights to Trieste from New York and alert you when they change.

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Cabin classes currently available on flights to Trieste

List of cabin classes available on flights landing in Trieste. Availability may vary depending on flight origin and airline.
First Class to Trieste
Business Class to Trieste