When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Trieste Ronchi dei Legionari Airport?

Prices for flights from Las Vegas Harry Reid Intl Airport to Trieste Ronchi dei Legionari Airport are updated daily.

How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Trieste Ronchi dei Legionari Airport?

As of September 2026, there is 1 operator available to choose from for flights from Las Vegas Harry Reid Intl Airport to Trieste Ronchi dei Legionari Airport.

How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Trieste Ronchi dei Legionari Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport to Trieste Ronchi dei Legionari Airport.

What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?

The necessary travel and health documents for your Trieste Ronchi dei Legionari Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$1,049 Cheap Flights from Las Vegas to Trieste in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Las Vegas to Trieste

Round-trip

One-way

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Enter your travel dates to find the best prices.

8:19 am - 6:30 pmLAS Las Vegas Harry Reid Intl-TRS Trieste Ronchi dei Legionari

25h 11m2 stops Los Angeles Rome Fiumicino

6:35 am - 6:23 pmTRS Trieste Ronchi dei Legionari-LAS Las Vegas Harry Reid Intl

19h 48m2 stops Rome Fiumicino San Francisco

$1,049ITA Airways

Tue, Oct 20 - Tue, Oct 27

7:00 am - 10:25 amLAS Las Vegas Harry Reid Intl-TRS Trieste Ronchi dei Legionari

18h 25m2 stops Chicago O'Hare Intl Rome Fiumicino

6:35 am - 11:21 pmTRS Trieste Ronchi dei Legionari-LAS Las Vegas Harry Reid Intl

25h 46m2 stops Rome Fiumicino Newark

$1,066United Airlines

Sun, Dec 6 - Wed, Dec 9

9:00 am - 10:25 amLAS Las Vegas Harry Reid Intl-TRS Trieste Ronchi dei Legionari

16h 25m2 stops Chicago O'Hare Intl Rome Fiumicino

6:35 am - 8:44 pmTRS Trieste Ronchi dei Legionari-LAS Las Vegas Harry Reid Intl

23h 09m3 stops Rome Fiumicino Chicago O'Hare Intl San Francisco

$1,066United Airlines

Sun, Dec 6 - Wed, Dec 9

9:59 am - 6:30 pmLAS Las Vegas Harry Reid Intl-TRS Trieste Ronchi dei Legionari

23h 31m2 stops New York John F Kennedy Intl Rome Fiumicino

6:35 am - 9:04 pmTRS Trieste Ronchi dei Legionari-LAS Las Vegas Harry Reid Intl

22h 29m2 stops Rome Fiumicino Detroit Metropolitan Wayne County

$1,127KLM

Thu, Oct 22 - Thu, Oct 29

6:50 am - 6:30 pmLAS Las Vegas Harry Reid Intl-TRS Trieste Ronchi dei Legionari

26h 40m3 stops Vancouver Intl Calgary Rome Fiumicino

7:15 pm - 9:40 pmTRS Trieste Ronchi dei Legionari-LAS Las Vegas Harry Reid Intl

34h 25m3 stops Rome Fiumicino London Heathrow Vancouver Intl

$1,366Multiple Airlines

Tue, Oct 20 - Tue, Oct 27

11:25 pm - 2:00 pmLAS Las Vegas Harry Reid Intl-TRS Trieste Ronchi dei Legionari

29h 35m2 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main

7:15 pm - 9:40 pmTRS Trieste Ronchi dei Legionari-LAS Las Vegas Harry Reid Intl

34h 25m3 stops Rome Fiumicino London Heathrow Vancouver Intl

$1,373Multiple Airlines

Tue, Oct 20 - Tue, Oct 27

6:00 am - 10:25 amLAS Las Vegas Harry Reid Intl-TRS Trieste Ronchi dei Legionari

19h 25m2 stops Chicago O'Hare Intl Rome Fiumicino

6:35 am - 5:11 pmTRS Trieste Ronchi dei Legionari-LAS Las Vegas Harry Reid Intl

19h 36m2 stops Rome Fiumicino Chicago O'Hare Intl

$1,477United Airlines

Sun, Dec 6 - Wed, Dec 9

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United Airlines flights from Las Vegas to Trieste

Our best United Airlines deals on Las Vegas to Trieste flight tickets

United Airlines

Dec 6

LAS9:00 amLas Vegas Harry Reid Intl

16h 25m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

Dec 9

TRS6:35 amTrieste Ronchi dei Legionari

23h 09m

3 stops

LAS8:44 pmLas Vegas Harry Reid Intl

$1,066

United Airlines

Dec 6

LAS6:00 amLas Vegas Harry Reid Intl

19h 25m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

Dec 9

TRS6:35 amTrieste Ronchi dei Legionari

19h 36m

2 stops

LAS5:11 pmLas Vegas Harry Reid Intl

$1,477

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Las VegasTrieste

LAS Las Vegas Harry Reid Intl - TRS Trieste Ronchi dei Legionari

LASTRS

Las Vegas Harry Reid Intl

Tue 10/20

8:19 am-6:30 pm

2 stops25h 11m

Trieste Ronchi dei Legionari

Tue 10/27

6:35 am-6:23 pm

2 stops19h 48m

$1,049

Las VegasTrieste

LAS Las Vegas Harry Reid Intl - TRS Trieste Ronchi dei Legionari

LASTRS

Las Vegas Harry Reid Intl

Sun 12/6

7:00 am-10:25 am

2 stops18h 25m

Trieste Ronchi dei Legionari

Wed 12/9

6:35 am-11:21 pm

2 stops25h 46m

$1,066

Las VegasTrieste

LAS Las Vegas Harry Reid Intl - TRS Trieste Ronchi dei Legionari

LASTRS

Las Vegas Harry Reid Intl

Sun 12/6

9:00 am-10:25 am

2 stops16h 25m

Trieste Ronchi dei Legionari

Wed 12/9

6:35 am-8:44 pm

3 stops23h 09m

$1,066

Las VegasTrieste

LAS Las Vegas Harry Reid Intl - TRS Trieste Ronchi dei Legionari

LASTRS

Las Vegas Harry Reid Intl

Thu 10/22

9:59 am-6:30 pm

2 stops23h 31m

Trieste Ronchi dei Legionari

Thu 10/29

6:35 am-9:04 pm

2 stops22h 29m

$1,127

Las VegasTrieste

LAS Las Vegas Harry Reid Intl - TRS Trieste Ronchi dei Legionari

LASTRS

Las Vegas Harry Reid Intl

Tue 10/20

6:50 am-6:30 pm

3 stops26h 40m

Trieste Ronchi dei Legionari

Tue 10/27

7:15 pm-9:40 pm

3 stops34h 25m

$1,366

Las VegasTrieste

LAS Las Vegas Harry Reid Intl - TRS Trieste Ronchi dei Legionari

LASTRS

Las Vegas Harry Reid Intl

Tue 10/20

11:25 pm-2:00 pm

2 stops29h 35m

Trieste Ronchi dei Legionari

Tue 10/27

7:15 pm-9:40 pm

3 stops34h 25m

$1,373

Quickest round-trip

Las VegasTrieste

LAS Las Vegas Harry Reid Intl - TRS Trieste Ronchi dei Legionari

LASTRS

Las Vegas Harry Reid Intl

Sun 12/6

6:00 am-10:25 am

2 stops19h 25m

Trieste Ronchi dei Legionari

Wed 12/9

6:35 am-5:11 pm

2 stops19h 36m

$1,477

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Las Vegas 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?

British Airways, Condor and Delta are the top three most popular airlines that fly to Trieste from Las Vegas according to our data. British Airways is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 6 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 Las Vegas to Trieste

Are you open to changing your travel dates? Check out the ideal times to fly from Las Vegas to Trieste according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Las Vegas to Trieste (LAS to TRS) flight deals and tips

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

Best Price Found	$1,049
Fastest flight time	19h 25m
Direct flights	None

The best flight deal from Las Vegas to Trieste found on momondo in the last 72 hours is $1,049

The fastest flight from Las Vegas to Trieste takes 19h 25m

There are no direct flights from Las Vegas to Trieste. There are no popular flight routes from Las Vegas to Trieste.

Search flight deals

Frequently asked questions about flying from Las Vegas to Trieste

How far is Las Vegas Harry Reid Intl to Trieste Ronchi dei Legionari by plane?
There are 5946.1 mi between Las Vegas Harry Reid Intl and Trieste Ronchi dei Legionari. Typically, this will take 19h 25m by plane in normal conditions.
When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Trieste Ronchi dei Legionari Airport?
Prices for flights from Las Vegas Harry Reid Intl Airport to Trieste Ronchi dei Legionari Airport are updated daily.
How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Trieste Ronchi dei Legionari Airport?
As of September 2026, there is 1 operator available to choose from for flights from Las Vegas Harry Reid Intl Airport to Trieste Ronchi dei Legionari Airport.
How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Trieste Ronchi dei Legionari Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport to Trieste Ronchi dei Legionari Airport.
What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?
The necessary travel and health documents for your Trieste Ronchi dei Legionari Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Las Vegas to Trieste?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Las Vegas to Trieste is Lufthansa (100% of total bookings).

Best airlines flying from Las Vegas to Trieste

Compare and see reviews for airlines that fly from Las Vegas to Trieste with momondo

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $843	Free Cancellation	Rating 6.8 8,214 reviews		Search Lufthansa flights

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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 Las Vegas to Trieste for you.

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

Flights from Las Vegas 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 Las Vegas to Trieste?

momondo helps you find the best flight between Las Vegas 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.

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Cheap flights from Las Vegas to Trieste from $1,049

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to Trieste departing on 10/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Frequently asked questions about flying from Las Vegas to Trieste

Best airlines flying from Las Vegas to Trieste

Compare and see reviews for airlines that fly from Las Vegas to Trieste with momondo

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Why use momondo?

An easier way to manage your Trieste trip

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Get notified when prices go down

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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.

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