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Cheap flights from Arizona to Trieste from $516

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Arizona to Trieste departing on 11/25. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Arizona to Trieste

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:45 am - 10:15 pmLAS  Las Vegas Harry Reid Intl-TRS Trieste Ronchi dei Legionari
28h 30m2 stops Los Angeles Frankfurt am Main
Multiple Airlines Logo
6:20 am - 3:15 pmTRS  Trieste Ronchi dei Legionari-LAS Las Vegas Harry Reid Intl
17h 55m1 stop Frankfurt am Main
$914Multiple Airlines
Tue, Sep 29 - Tue, Oct 6
Multiple Airlines Logo
5:15 pm - 10:15 pmLAS  Las Vegas Harry Reid Intl-TRS Trieste Ronchi dei Legionari
20h 00m1 stop Frankfurt am Main
Multiple Airlines Logo
6:20 am - 3:15 pmTRS  Trieste Ronchi dei Legionari-LAS Las Vegas Harry Reid Intl
17h 55m1 stop Frankfurt am Main
$922Multiple Airlines
Tue, Sep 29 - Tue, Oct 6
Multiple Airlines Logo
5:15 pm - 10:15 pmLAS  Las Vegas Harry Reid Intl-TRS Trieste Ronchi dei Legionari
20h 00m1 stop Frankfurt am Main
Multiple Airlines Logo
6:20 am - 3:15 pmTRS  Trieste Ronchi dei Legionari-LAS Las Vegas Harry Reid Intl
17h 55m1 stop Frankfurt am Main
$932Multiple Airlines
Tue, Sep 29 - Tue, Oct 6
Multiple Airlines Logo
8:45 am - 10:15 pmLAS  Las Vegas Harry Reid Intl-TRS Trieste Ronchi dei Legionari
28h 30m2 stops Los Angeles Frankfurt am Main
Multiple Airlines Logo
6:20 am - 7:53 pmTRS  Trieste Ronchi dei Legionari-LAS Las Vegas Harry Reid Intl
22h 33m2 stops Frankfurt am Main Seattle/Tacoma Intl
$960Multiple Airlines
Tue, Sep 29 - Tue, Oct 6
Multiple Airlines Logo
6:15 am - 10:25 pmLAS  Las Vegas Harry Reid Intl-TRS Trieste Ronchi dei Legionari
31h 10m2 stops Los Angeles Frankfurt am Main
Multiple Airlines Logo
6:10 am - 11:55 pmTRS  Trieste Ronchi dei Legionari-LAS Las Vegas Harry Reid Intl
26h 45m2 stops Frankfurt am Main Los Angeles
$1,004Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
Lufthansa Logo
9:10 pm - 10:15 pmLAS  Las Vegas Harry Reid Intl-TRS Trieste Ronchi dei Legionari
16h 05m1 stop Frankfurt am Main
Lufthansa Logo
6:10 am - 4:20 pmTRS  Trieste Ronchi dei Legionari-LAS Las Vegas Harry Reid Intl
19h 10m1 stop Frankfurt am Main
$1,007Lufthansa
Sun, Sep 27 - Sun, Oct 4
Lufthansa Logo
9:10 pm - 10:15 pmLAS  Las Vegas Harry Reid Intl-TRS Trieste Ronchi dei Legionari
16h 05m1 stop Frankfurt am Main
Lufthansa Logo
6:10 am - 6:31 pmTRS  Trieste Ronchi dei Legionari-LAS Las Vegas Harry Reid Intl
21h 21m2 stops Frankfurt am Main San Francisco
$1,009Lufthansa
Sun, Sep 27 - Sun, Oct 4
Multiple Airlines Logo
9:10 pm - 10:25 pmLAS  Las Vegas Harry Reid Intl-TRS Trieste Ronchi dei Legionari
16h 15m1 stop Frankfurt am Main
Multiple Airlines Logo
6:10 am - 11:02 amTRS  Trieste Ronchi dei Legionari-LAS Las Vegas Harry Reid Intl
37h 52m2 stops Frankfurt am Main Toronto Pearson Intl
$1,034Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
Multiple Airlines Logo
11:25 pm - 10:25 pmLAS  Las Vegas Harry Reid Intl-TRS Trieste Ronchi dei Legionari
38h 00m2 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main
Multiple Airlines Logo
6:10 am - 10:59 pmTRS  Trieste Ronchi dei Legionari-LAS Las Vegas Harry Reid Intl
25h 49m2 stops Frankfurt am Main San Francisco
$1,059Multiple Airlines
Sun, Sep 27 - Sun, Oct 4
Lufthansa Logo
9:10 pm - 10:25 pmLAS  Las Vegas Harry Reid Intl-TRS Trieste Ronchi dei Legionari
16h 15m1 stop Frankfurt am Main
Lufthansa Logo
6:10 am - 4:20 pmTRS  Trieste Ronchi dei Legionari-LAS Las Vegas Harry Reid Intl
19h 10m1 stop Frankfurt am Main
$1,064Lufthansa
Mon, Sep 28 - Mon, Oct 5

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Lufthansa flights from Arizona to Trieste

Our best Lufthansa deals on Arizona to Trieste flight tickets
Lufthansa
Sep 27
LAS9:10 pmLas Vegas Harry Reid Intl
16h 05m
1 stop
TRS10:15 pmTrieste Ronchi dei Legionari
Oct 4
TRS6:10 amTrieste Ronchi dei Legionari
19h 10m
1 stop
LAS4:20 pmLas Vegas Harry Reid Intl
$1,007
Lufthansa
Sep 27
LAS9:10 pmLas Vegas Harry Reid Intl
16h 05m
1 stop
TRS10:15 pmTrieste Ronchi dei Legionari
Oct 4
TRS6:10 amTrieste Ronchi dei Legionari
21h 21m
2 stops
LAS6:31 pmLas Vegas Harry Reid Intl
$1,009
Lufthansa
Sep 28
LAS9:10 pmLas Vegas Harry Reid Intl
16h 15m
1 stop
TRS10:25 pmTrieste Ronchi dei Legionari
Oct 5
TRS6:10 amTrieste Ronchi dei Legionari
19h 10m
1 stop
LAS4:20 pmLas Vegas Harry Reid Intl
$1,064

United Airlines flights from Arizona to Trieste

Our best United Airlines deals on Arizona to Trieste flight tickets
United Airlines
Dec 6
LAS11:30 pmLas Vegas Harry Reid Intl
25h 55m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Dec 9
TRS6:35 amTrieste Ronchi dei Legionari
20h 42m
2 stops
LAS6:17 pmLas Vegas Harry Reid Intl
$1,066
United Airlines
Dec 5
LAS12:30 amLas Vegas Harry Reid Intl
24h 55m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Dec 9
TRS6:35 amTrieste Ronchi dei Legionari
44h 22m
3 stops
LAS5:57 pmLas Vegas Harry Reid Intl
$1,081
United Airlines
Feb 10
LAS7:10 amLas Vegas Harry Reid Intl
18h 15m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Feb 14
TRS6:35 amTrieste Ronchi dei Legionari
22h 18m
2 stops
LAS7:53 pmLas Vegas Harry Reid Intl
$1,116

momondo Fare Finder

 
Customize your flight search to find flights from Arizona 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 August 15, 2026.
Use the filters below to find and compare flights from Arizona to Trieste that are best for you.

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 9/29

8:45 am-10:15 pm

2 stops28h 30m

Trieste Ronchi dei Legionari

Tue 10/6

6:20 am-3:15 pm

1 stop17h 55m

$914

Las VegasTrieste

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

LASTRS

Las Vegas Harry Reid Intl

Tue 9/29

5:15 pm-10:15 pm

1 stop20h 00m

Trieste Ronchi dei Legionari

Tue 10/6

6:20 am-3:15 pm

1 stop17h 55m

$922

Las VegasTrieste

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

LASTRS

Las Vegas Harry Reid Intl

Tue 9/29

5:15 pm-10:15 pm

1 stop20h 00m

Trieste Ronchi dei Legionari

Tue 10/6

6:20 am-3:15 pm

1 stop17h 55m

$932

Las VegasTrieste

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

LASTRS

Las Vegas Harry Reid Intl

Tue 9/29

8:45 am-10:15 pm

2 stops28h 30m

Trieste Ronchi dei Legionari

Tue 10/6

6:20 am-7:53 pm

2 stops22h 33m

$960

Las VegasTrieste

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

LASTRS

Las Vegas Harry Reid Intl

Mon 9/28

6:15 am-10:25 pm

2 stops31h 10m

Trieste Ronchi dei Legionari

Mon 10/5

6:10 am-11:55 pm

2 stops26h 45m

$1,004
Quickest round-trip

Las VegasTrieste

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

LASTRS

Las Vegas Harry Reid Intl

Sun 9/27

9:10 pm-10:15 pm

1 stop16h 05m

Trieste Ronchi dei Legionari

Sun 10/4

6:10 am-4:20 pm

1 stop19h 10m

$1,007

Las VegasTrieste

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

LASTRS

Las Vegas Harry Reid Intl

Sun 9/27

9:10 pm-10:15 pm

1 stop16h 05m

Trieste Ronchi dei Legionari

Sun 10/4

6:10 am-6:31 pm

2 stops21h 21m

$1,009

Las VegasTrieste

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

LASTRS

Las Vegas Harry Reid Intl

Mon 9/28

9:10 pm-10:25 pm

1 stop16h 15m

Trieste Ronchi dei Legionari

Mon 10/5

6:10 am-11:02 am

2 stops37h 52m

$1,034

Las VegasTrieste

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

LASTRS

Las Vegas Harry Reid Intl

Sun 9/27

11:25 pm-10:25 pm

2 stops38h 00m

Trieste Ronchi dei Legionari

Sun 10/4

6:10 am-10:59 pm

2 stops25h 49m

$1,059

Las VegasTrieste

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

LASTRS

Las Vegas Harry Reid Intl

Mon 9/28

9:10 pm-10:25 pm

1 stop16h 15m

Trieste Ronchi dei Legionari

Mon 10/5

6:10 am-4:20 pm

1 stop19h 10m

$1,064

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 Arizona 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 Arizona to Trieste Ronchi dei Legionari?

United Airlines is the most popular carrier operating from Arizona to Trieste Ronchi dei Legionari

What airlines fly to Trieste?

British Airways, Delta and United Airlines are the top three most popular airlines that fly to Trieste from Arizona according to our data. British Airways is the first choice among our users, with 57% 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.

Cheap Arizona to Trieste flight deals and tips

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

Fastest flight time

16h 25m

Direct flights

None
The fastest flight from Arizona to Trieste takes 16h 25m
There are no direct flights from Arizona to Trieste. There are no popular flight routes from Arizona to Trieste.
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Frequently asked questions about flying from Arizona to Trieste

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

    Prices for flights from Arizona to Trieste Ronchi dei Legionari Airport were last updated today.

  • How many operators does momondo search for flights from Arizona to Trieste Ronchi dei Legionari Airport?

  • How old do you have to be to fly from Arizona to Trieste Ronchi dei Legionari Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Arizona 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
Grado
Udine

Why use momondo?

Why should I use momondo to find a flight deal from Arizona to Trieste?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Arizona to Trieste. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Trieste from Arizona with this policy.

How can momondo help me find flights from Arizona to Trieste?

Once all potential Arizona to Trieste flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Arizona 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 Arizona and alert you when they change.

An easier way to manage your Trieste trip

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Fly your favorite airline to Trieste

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
British Airways
Delta
United Airlines
American Airlines
Lufthansa
Air France