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Trieste

$579+ Cheap flights from LaGuardia, NY (LGA) to Trieste (TRS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — TRS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from LaGuardia to Trieste

Discover tips and strategies to find the most affordable flight options for your journey from LaGuardia (LGA) to Trieste (TRS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$579
(Mytrip)

Popular in

December

Cheapest in

March

Average price

$777
From New York LaGuardia to Trieste Ronchi dei Legionari
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Highest demand for flights based on searches. 1% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from LaGuardia to Trieste

Cheapest flights from LaGuardia to Trieste
Explore the most affordable flight options available from LaGuardia to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Mytrip deal was found by Cheapflights users on 9/10. 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.
Tue 11/254:20 pmLGA - TRS
3 stops24h 20mMultiple Airlines
Sun 11/309:05 pmTRS - LGA
3 stops27h 57mMultiple Airlines
Deal found 9/10$579
This Mytrip deal was found by Cheapflights users on 9/9. 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.
Mon 9/2210:15 amLGA - TRS
2 stops20h 05mMultiple Airlines
Thu 9/256:35 amTRS - LGA
3 stops20h 55mMultiple Airlines
Deal found 9/9$629
This Orbitz deal was found by Cheapflights users on 9/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/83:30 pmLGA - TRS
2 stops16h 35mMultiple Airlines
Sat 11/156:25 amTRS - LGA
2 stops21h 08mMultiple Airlines
Deal found 9/11$896
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Thu 9/115:45 pmLGA - TRS
3 stops21h 10mMultiple Airlines
Thu 9/182:45 pmTRS - LGA
3 stops34h 52mMultiple Airlines
Deal found 9/10$1,371
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2711:15 amLGA - TRS
2 stops18h 10mUnited Airlines
Mon 11/36:35 amTRS - LGA
2 stops18h 28mUnited Airlines
Deal found 9/11$1,512
This Expedia deal was found by Cheapflights users on 9/10. 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.
Mon 9/153:50 pmLGA - TRS
2 stops16h 15mMultiple Airlines
Mon 9/226:30 amTRS - LGA
2 stops19h 07mMultiple Airlines
Deal found 9/10$1,603
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/223:50 pmLGA - TRS
2 stops36h 35mUnited Airlines
Thu 9/256:35 amTRS - LGA
2 stops19h 24mUnited Airlines
Deal found 9/9$2,134
This Expedia deal was found by Cheapflights users on 9/11. 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.
Tue 9/163:30 pmLGA - TRS
2 stops16h 35mMultiple Airlines
Sun 9/216:30 amTRS - LGA
2 stops17h 34mMultiple Airlines
Deal found 9/11$2,156
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:29 pmLGA - TRS
2 stops32h 56mUnited Airlines
Sun 9/216:35 amTRS - LGA
2 stops17h 55mUnited Airlines
Deal found 9/11$2,991
This Expedia deal was found by Cheapflights users on 9/11. 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.
Sun 9/1410:30 amLGA - TRS
2 stops21h 35mMultiple Airlines
Mon 9/226:30 amTRS - LGA
2 stops19h 29mMultiple Airlines
Deal found 9/11$3,714

Cheapflights Fare Finder

 
Customize your flight search to find flights from LaGuardia 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 September 11, 2025.
Use the filters below to find and compare flights from New York LaGuardia Airport to Trieste that are best for you.

Fly from

LaGuardia

Fly to

Trieste

Route

Depart

Return

Price

New YorkTrieste

LGA - TRS

LGATRS

New York LaGuardia

Tue 11/25

4:20 pm-10:40 pm

3 stops24h 20m

Trieste Ronchi dei Legionari

Sun 11/30

9:05 pm-7:02 pm

3 stops27h 57m

$579

New YorkTrieste

LGA - TRS

LGATRS

New York LaGuardia

Mon 9/22

10:15 am-12:20 pm

2 stops20h 05m

Trieste Ronchi dei Legionari

Thu 9/25

6:35 am-9:30 pm

3 stops20h 55m

$629

New YorkTrieste

LGA - TRS

LGATRS

New York LaGuardia

Sat 11/8

3:30 pm-2:05 pm

2 stops16h 35m

Trieste Ronchi dei Legionari

Sat 11/15

6:25 am-9:33 pm

2 stops21h 08m

$896

New YorkTrieste

LGA - TRS

LGATRS

New York LaGuardia

Mon 10/27

11:15 am-10:25 am

2 stops18h 10m

Trieste Ronchi dei Legionari

Mon 11/3

6:35 am-7:03 pm

2 stops18h 28m

$1,512

New YorkTrieste

LGA - TRS

LGATRS

New York LaGuardia

Mon 9/22

3:50 pm-10:25 am

2 stops36h 35m

Trieste Ronchi dei Legionari

Thu 9/25

6:35 am-7:59 pm

2 stops19h 24m

$2,134

New YorkTrieste

LGA - TRS

LGATRS

New York LaGuardia

Tue 10/7

2:56 pm-10:25 am

2 stops13h 29m

Trieste Ronchi dei Legionari

Tue 10/21

6:35 am-6:30 pm

2 stops17h 55m

$5,681

New YorkTrieste

LGA - TRS

LGATRS

New York LaGuardia

Fri 10/10

4:50 pm-2:30 pm

2 stops15h 40m

Trieste Ronchi dei Legionari

Tue 10/21

11:15 am-10:42 pm

2 stops17h 27m

$6,569

New YorkTrieste

LGA - TRS

LGATRS

New York LaGuardia

Thu 10/9

6:50 pm-10:25 am

2 stops57h 35m

Trieste Ronchi dei Legionari

Mon 10/20

6:35 am-6:04 pm

2 stops41h 29m

$6,799

New YorkTrieste

LGA - TRS

LGATRS

New York LaGuardia

Fri 11/14

4:15 pm-10:25 am

2 stops36h 10m

$844

New YorkTrieste

LGA - TRS

LGATRS

New York LaGuardia

Fri 11/14

10:55 am-2:30 pm

3 stops21h 35m

$2,819

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 12 results
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Best time to book a flight from LaGuardia to Trieste

Have a flexible travel schedule? Discover the best time to fly to Trieste from LaGuardia 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.

Related info for your journey

Find useful and relevant information for your journey from LaGuardia 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 New York LaGuardia?

    If you book a flight to Trieste from New York LaGuardia, you will be flying to Ronchi dei Legionari, which is the city’s only airport. Trieste Ronchi dei Legionari (TRS) is located 18.2 mi from the center of Trieste. There are 0 flights from New York LaGuardia to Ronchi dei Legionari per day from 0 different airlines.

  • What are the cheapest airlines to fly from New York LaGuardia Airport to Trieste one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $844. TAP AIR PORTUGAL flights start at $2,819 while deals on Lufthansa start at $6,135 one-way.

  • Can I find deals for flights from LaGuardia to Trieste that include hotel bookings?

    Yes. In addition to deals on LaGuardia to Trieste flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from LaGuardia to Trieste?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from LaGuardia to Trieste.

  • Can I find deals for business class flights from LaGuardia to Trieste?

    Yes. Cheapflights offers flight deals from LaGuardia 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.

See more FAQs

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