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Trieste

$856+ Cheap flights from Las Vegas (LAS) 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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — TRS
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Las Vegas to Trieste

Cheapest flights from Las Vegas to Trieste
Explore the most affordable flight options available from Las Vegas to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This Billigflug deal was found by Cheapflights users on 1/27. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1310:41 am
LAS
-
TRS
2 stops19h 24m
Lufthansa
Fri 3/206:25 am
TRS
-
LAS
2 stops26h 33m
Lufthansa
Deal found 1/27$856
This Trip.com deal was found by Cheapflights users on 1/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/133:10 pm
LAS
-
TRS
3 stops39h 20m
Multiple Airlines
Fri 3/206:25 am
TRS
-
LAS
2 stops23h 11m
Multiple Airlines
Deal found 1/27$1,158

Find flight deals from Las Vegas to Trieste

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$856
(Billigflug)
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Trieste Ronchi dei Legionari flight deals.
Search Deals
Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Trieste Ronchi dei Legionari flights.
Search Deals
From Las Vegas Harry Reid Intl to Trieste Ronchi dei Legionari
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Las Vegas 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 January 27, 2026.
Use the filters below to find and compare flights from Las Vegas to Trieste that are best for you.

Fly from

Las Vegas

Fly to

Trieste

Route

Depart

Return

Price

Las VegasTrieste

LAS - TRS

LASTRS

Las Vegas Harry Reid Intl

Fri 3/13

10:41 am-2:05 pm

2 stops19h 24m

Trieste Ronchi dei Legionari

Fri 3/20

6:25 am-12:58 am

2 stops26h 33m

$856

Las VegasTrieste

LAS - TRS

LASTRS

Las Vegas Harry Reid Intl

Fri 3/13

3:10 pm-2:30 pm

3 stops39h 20m

Trieste Ronchi dei Legionari

Fri 3/20

6:25 am-9:36 pm

2 stops23h 11m

$1,158

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Compare providers for flights from Las Vegas to Trieste

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Las Vegas to Trieste in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Las Vegas-Trieste flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Las Vegas-Trieste flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Las Vegas-Trieste flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Las Vegas-Trieste flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Las Vegas-Trieste flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Las Vegas to Trieste

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

Cheapflights Insights

Everything you need to know about your flight from Las Vegas to Trieste

What is the cheapest month to book a flight from Las Vegas to Trieste?

Currently, May is the cheapest month in which you can book a flight from Las Vegas to Trieste (average of $369). Flying from Las Vegas to Trieste in June is currently the most expensive (average of $935). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Trieste

Get insights into the airlines that provide service to Trieste. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Trieste. Reviews last updated January 27, 2026.
Get a feel of what it's like to fly with Lufthansa from Las Vegas to Trieste by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Lufthansa
6.8
Okay
7,748 reviews

Entertainment

6.4

Crew

7.6

Food

6.3

Overall

6.8

Comfort

6.8

Boarding

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Dec 2025

SFO - MUC

The coordination between United and Lufthansa teams is poor and confusing.
Lufthansa
6.8
Okay
7,748 reviews
Lufthansa
6.8
Okay
7,748 reviews

Entertainment

6.4

Crew

7.6

Food

6.3

Overall

6.8

Comfort

6.8

Boarding

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Dec 2025

SFO - MUC

The coordination between United and Lufthansa teams is poor and confusing.

Related info for your journey

Find useful and relevant information for your journey from Las Vegas to Trieste. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Las Vegas to Trieste?

    Lufthansa can get you from Las Vegas to Trieste in just under 19h 24m. Your travel time can differ by up to . There are 5934 mi between Las Vegas and Trieste.

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

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

  • How can I find direct flights from Las Vegas to Trieste?

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

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

    Yes. Cheapflights offers flight deals from Las Vegas 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.

  • What is the cheapest month to book a flight from Las Vegas to Trieste?

    Currently, May is the cheapest month in which you can book a flight from Las Vegas to Trieste (average of $369). Flying from Las Vegas to Trieste in June is currently the most expensive (average of $935). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top airline flying from Las Vegas to Trieste

Discover the top airline that operate flights from Las Vegas to Trieste. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$1,176Average$1,323FlexibilityNo cancel feeOn-time76%

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