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Cheap flights from Las Vegas to Trieste from $1,135

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 6/16. 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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0 bags

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Find the cheapest flights from Las Vegas to Trieste

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:45 am - 1:45 pm
LAS
-
TRS
22h 00m
2 stops
Multiple Airlines Logo
6:00 am - 10:24 pm
TRS
-
LAS
25h 24m
2 stops
$1,135Multiple Airlines
Tue, Jun 16 - Thu, Jun 25
Multiple Airlines Logo
6:00 pm - 10:25 pm
LAS
-
TRS
43h 25m
2 stops
Multiple Airlines Logo
2:40 pm - 4:20 pm
TRS
-
LAS
34h 40m
1 stop
$1,249Multiple Airlines
Tue, Jun 16 - Thu, Jun 25
Multiple Airlines Logo
7:00 am - 2:00 pm
LAS
-
TRS
23h 00m
2 stops
Multiple Airlines Logo
6:35 am - 9:33 pm
TRS
-
LAS
22h 58m
3 stops
$1,267Multiple Airlines
Tue, Mar 10 - Sat, Mar 14
Multiple Airlines Logo
1:53 pm - 10:40 pm
LAS
-
TRS
24h 47m
3 stops
Multiple Airlines Logo
6:35 am - 9:33 pm
TRS
-
LAS
22h 58m
3 stops
$1,290Multiple Airlines
Tue, Mar 10 - Sat, Mar 14
Multiple Airlines Logo
12:10 pm - 9:10 pm
LAS
-
TRS
25h 00m
3 stops
Multiple Airlines Logo
7:15 pm - 9:33 pm
TRS
-
LAS
34h 18m
3 stops
$1,294Multiple Airlines
Mon, Mar 9 - Fri, Mar 13
Multiple Airlines Logo
11:30 pm - 2:00 pm
LAS
-
TRS
30h 30m
2 stops
Multiple Airlines Logo
7:15 pm - 9:33 pm
TRS
-
LAS
34h 18m
3 stops
$1,299Multiple Airlines
Mon, Mar 9 - Fri, Mar 13
Multiple Airlines Logo
1:45 pm - 6:30 pm
LAS
-
TRS
19h 45m
2 stops
Multiple Airlines Logo
3:15 pm - 10:24 pm
TRS
-
LAS
40h 09m
3 stops
$1,301Multiple Airlines
Tue, Jun 16 - Thu, Jun 25
Multiple Airlines Logo
5:15 pm - 10:15 pm
LAS
-
TRS
20h 00m
1 stop
Multiple Airlines Logo
6:00 am - 3:15 pm
TRS
-
LAS
18h 15m
1 stop
$1,327Multiple Airlines
Tue, Jun 16 - Thu, Jun 25
United Airlines Logo
8:48 am - 10:25 am
LAS
-
TRS
16h 37m
2 stops
United Airlines Logo
6:35 am - 10:19 pm
TRS
-
LAS
24h 44m
2 stops
$1,397United Airlines
Tue, Jun 16 - Thu, Jun 25
Multiple Airlines Logo
9:00 am - 2:00 pm
LAS
-
TRS
21h 00m
2 stops
Multiple Airlines Logo
6:25 am - 11:18 am
TRS
-
LAS
36h 53m
2 stops
$1,419Multiple Airlines
Tue, Mar 10 - Sat, Mar 14

United Airlines flights from Las Vegas to Trieste

Our best United Airlines deals on Las Vegas to Trieste flight tickets
United Airlines
Jun 16
LAS8:48 amLas Vegas Harry Reid Intl
16h 37m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Jun 25
TRS6:35 amTrieste Ronchi dei Legionari
24h 44m
2 stops
LAS10:19 pmLas Vegas Harry Reid Intl
$1,397
United Airlines
Jun 17
LAS7:00 amLas Vegas Harry Reid Intl
18h 25m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Jun 23
TRS6:35 amTrieste Ronchi dei Legionari
21h 57m
2 stops
LAS7:32 pmLas Vegas Harry Reid Intl
$1,736
United Airlines
Mar 4
LAS10:00 amLas Vegas Harry Reid Intl
39h 25m
3 stops
TRS10:25 amTrieste Ronchi dei Legionari
Mar 8
TRS6:35 amTrieste Ronchi dei Legionari
21h 40m
2 stops
LAS7:15 pmLas Vegas Harry Reid Intl
$3,686

Lufthansa flights from Las Vegas to Trieste

Our best Lufthansa deals on Las Vegas to Trieste flight tickets
Lufthansa
Mar 9
LAS7:57 pmLas Vegas Harry Reid Intl
34h 03m
2 stops
TRS2:00 pmTrieste Ronchi dei Legionari
Mar 13
TRS3:00 pmTrieste Ronchi dei Legionari
35h 55m
2 stops
LAS6:55 pmLas Vegas Harry Reid Intl
$1,487
Lufthansa
Mar 10
LAS9:00 amLas Vegas Harry Reid Intl
21h 00m
2 stops
TRS2:00 pmTrieste Ronchi dei Legionari
Mar 14
TRS3:00 pmTrieste Ronchi dei Legionari
32h 40m
1 stop
LAS3:40 pmLas Vegas Harry Reid Intl
$1,504

momondo 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, momondo users made 832,500 searches. Data last updated February 24, 2026.
Use the filters below to find and compare flights from Las Vegas to Trieste that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Las VegasTrieste

LAS - TRS

LASTRS

Las Vegas Harry Reid Intl

Tue 6/16

6:45 am-1:45 pm

2 stops22h 00m

Trieste Ronchi dei Legionari

Thu 6/25

6:00 am-10:24 pm

2 stops25h 24m

$1,135

Las VegasTrieste

LAS - TRS

LASTRS

Las Vegas Harry Reid Intl

Tue 6/16

6:00 pm-10:25 pm

2 stops43h 25m

Trieste Ronchi dei Legionari

Thu 6/25

2:40 pm-4:20 pm

1 stop34h 40m

$1,249

Las VegasTrieste

LAS - TRS

LASTRS

Las Vegas Harry Reid Intl

Tue 3/10

7:00 am-2:00 pm

2 stops23h 00m

Trieste Ronchi dei Legionari

Sat 3/14

6:35 am-9:33 pm

3 stops22h 58m

$1,267

Las VegasTrieste

LAS - TRS

LASTRS

Las Vegas Harry Reid Intl

Tue 3/10

1:53 pm-10:40 pm

3 stops24h 47m

Trieste Ronchi dei Legionari

Sat 3/14

6:35 am-9:33 pm

3 stops22h 58m

$1,290

Las VegasTrieste

LAS - TRS

LASTRS

Las Vegas Harry Reid Intl

Mon 3/9

12:10 pm-9:10 pm

3 stops25h 00m

Trieste Ronchi dei Legionari

Fri 3/13

7:15 pm-9:33 pm

3 stops34h 18m

$1,294

Las VegasTrieste

LAS - TRS

LASTRS

Las Vegas Harry Reid Intl

Mon 3/9

11:30 pm-2:00 pm

2 stops30h 30m

Trieste Ronchi dei Legionari

Fri 3/13

7:15 pm-9:33 pm

3 stops34h 18m

$1,299

Las VegasTrieste

LAS - TRS

LASTRS

Las Vegas Harry Reid Intl

Tue 6/16

1:45 pm-6:30 pm

2 stops19h 45m

Trieste Ronchi dei Legionari

Thu 6/25

3:15 pm-10:24 pm

3 stops40h 09m

$1,301

Las VegasTrieste

LAS - TRS

LASTRS

Las Vegas Harry Reid Intl

Tue 6/16

5:15 pm-10:15 pm

1 stop20h 00m

Trieste Ronchi dei Legionari

Thu 6/25

6:00 am-3:15 pm

1 stop18h 15m

$1,327

Las VegasTrieste

LAS - TRS

LASTRS

Las Vegas Harry Reid Intl

Tue 6/16

8:48 am-10:25 am

2 stops16h 37m

Trieste Ronchi dei Legionari

Thu 6/25

6:35 am-10:19 pm

2 stops24h 44m

$1,397

Las VegasTrieste

LAS - TRS

LASTRS

Las Vegas Harry Reid Intl

Tue 3/10

9:00 am-2:00 pm

2 stops21h 00m

Trieste Ronchi dei Legionari

Sat 3/14

6:25 am-11:18 am

2 stops36h 53m

$1,419

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 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

Can stopping save me money on Las Vegas to Trieste flights?

You could potentially save up to 26% on your flight if you consider stops on a Las Vegas to Trieste flight.

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

Fastest flight time

16h 37m

Direct flights

None
The fastest flight from Las Vegas to Trieste takes 16h 37m
There are no direct flights from Las Vegas to Trieste. There are no popular flight routes from Las Vegas to Trieste.
Search flight deals

  • 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 16h 37m 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 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.

Traveling to a place near Trieste?

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Udine
Grado

Why use momondo?

Why should I use momondo to find a flight deal from Las Vegas 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 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.

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

Yes. momondo can track prices for Las Vegas 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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Airlines are sorted and displayed according to clicks in the past 7 days on momondo
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