Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Atlanta to Trieste from $860

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Atlanta to Trieste departing on 6/24. 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
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Atlanta to Trieste

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
3:55 pm - 1:45 pm
ATL
-
TRS
15h 50m
1 stop
Lufthansa Logo
6:20 am - 1:45 pm
TRS
-
ATL
13h 25m
1 stop
$1,003Lufthansa
Sun, Oct 4 - Tue, Oct 20
Lufthansa Logo
9:39 am - 1:55 pm
ATL
-
TRS
22h 16m
2 stops
Lufthansa Logo
6:20 am - 1:45 pm
TRS
-
ATL
13h 25m
1 stop
$1,008Lufthansa
Mon, Oct 5 - Tue, Oct 20
Lufthansa Logo
3:55 pm - 1:45 pm
ATL
-
TRS
15h 50m
1 stop
Lufthansa Logo
6:20 am - 8:51 pm
TRS
-
ATL
20h 31m
2 stops
$1,013Lufthansa
Sun, Oct 4 - Tue, Oct 20
Lufthansa Logo
12:35 pm - 2:00 pm
ATL
-
TRS
19h 25m
2 stops
Lufthansa Logo
6:10 am - 8:51 pm
TRS
-
ATL
20h 41m
2 stops
$1,018Lufthansa
Wed, Oct 7 - Wed, Oct 21
Lufthansa Logo
7:35 pm - 1:45 pm
ATL
-
TRS
36h 10m
2 stops
Lufthansa Logo
6:20 am - 1:45 pm
TRS
-
ATL
13h 25m
1 stop
$1,020Lufthansa
Sat, Oct 3 - Tue, Oct 20
Lufthansa Logo
2:30 pm - 1:45 pm
ATL
-
TRS
41h 15m
2 stops
Lufthansa Logo
6:10 am - 8:51 pm
TRS
-
ATL
20h 41m
2 stops
$1,024Lufthansa
Sat, Oct 3 - Wed, Oct 21
Lufthansa Logo
2:30 pm - 1:55 pm
ATL
-
TRS
17h 25m
2 stops
Lufthansa Logo
2:50 pm - 1:45 pm
TRS
-
ATL
28h 55m
1 stop
$1,028Lufthansa
Mon, Oct 5 - Mon, Oct 19
Lufthansa Logo
3:55 pm - 1:45 pm
ATL
-
TRS
15h 50m
1 stop
Lufthansa Logo
2:50 pm - 8:51 pm
TRS
-
ATL
36h 01m
2 stops
$1,034Lufthansa
Sun, Oct 4 - Mon, Oct 19
Lufthansa Logo
2:30 pm - 1:55 pm
ATL
-
TRS
17h 25m
2 stops
Lufthansa Logo
2:50 pm - 8:51 pm
TRS
-
ATL
36h 01m
2 stops
$1,038Lufthansa
Mon, Oct 5 - Mon, Oct 19
Lufthansa Logo
7:35 pm - 1:45 pm
ATL
-
TRS
36h 10m
2 stops
Lufthansa Logo
2:50 pm - 1:45 pm
TRS
-
ATL
28h 55m
1 stop
$1,040Lufthansa
Sat, Oct 3 - Mon, Oct 19

Lufthansa flights from Atlanta to Trieste

Our best Lufthansa deals on Atlanta to Trieste flight tickets
Lufthansa
Oct 4
ATL3:55 pmAtlanta Hartsfield-Jackson
15h 50m
1 stop
TRS1:45 pmTrieste Ronchi dei Legionari
Oct 20
TRS6:20 amTrieste Ronchi dei Legionari
13h 25m
1 stop
ATL1:45 pmAtlanta Hartsfield-Jackson
$1,003
Lufthansa
Oct 5
ATL9:39 amAtlanta Hartsfield-Jackson
22h 16m
2 stops
TRS1:55 pmTrieste Ronchi dei Legionari
Oct 20
TRS6:20 amTrieste Ronchi dei Legionari
13h 25m
1 stop
ATL1:45 pmAtlanta Hartsfield-Jackson
$1,008
Lufthansa
Oct 4
ATL3:55 pmAtlanta Hartsfield-Jackson
15h 50m
1 stop
TRS1:45 pmTrieste Ronchi dei Legionari
Oct 20
TRS6:20 amTrieste Ronchi dei Legionari
20h 31m
2 stops
ATL8:51 pmAtlanta Hartsfield-Jackson
$1,013

KLM flights from Atlanta to Trieste

Our best KLM deals on Atlanta to Trieste flight tickets
KLM
Jun 10
ATL9:15 pmAtlanta Hartsfield-Jackson
15h 15m
1 stop
TRS6:30 pmTrieste Ronchi dei Legionari
Jun 26
TRS6:35 amTrieste Ronchi dei Legionari
16h 30m
2 stops
ATL5:05 pmAtlanta Hartsfield-Jackson
$5,968
KLM
Jun 10
ATL9:15 pmAtlanta Hartsfield-Jackson
19h 40m
1 stop
TRS10:55 pmTrieste Ronchi dei Legionari
Jun 26
TRS3:15 pmTrieste Ronchi dei Legionari
34h 13m
1 stop
ATL7:28 pmAtlanta Hartsfield-Jackson
$5,973
KLM
Jun 8
ATL3:55 pmAtlanta Hartsfield-Jackson
16h 35m
1 stop
TRS2:30 pmTrieste Ronchi dei Legionari
Jun 28
TRS6:35 amTrieste Ronchi dei Legionari
14h 06m
1 stop
ATL2:41 pmAtlanta Hartsfield-Jackson
$6,223

momondo Fare Finder

 
Customize your flight search to find flights from Atlanta 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 May 12, 2026.
Use the filters below to find and compare flights from Atlanta to Trieste that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

AtlantaTrieste

ATL - TRS

ATLTRS

Atlanta Hartsfield-Jackson

Sun 10/4

3:55 pm-1:45 pm

1 stop15h 50m

Trieste Ronchi dei Legionari

Tue 10/20

6:20 am-1:45 pm

1 stop13h 25m

$1,003

AtlantaTrieste

ATL - TRS

ATLTRS

Atlanta Hartsfield-Jackson

Mon 10/5

9:39 am-1:55 pm

2 stops22h 16m

Trieste Ronchi dei Legionari

Tue 10/20

6:20 am-1:45 pm

1 stop13h 25m

$1,008

AtlantaTrieste

ATL - TRS

ATLTRS

Atlanta Hartsfield-Jackson

Sun 10/4

3:55 pm-1:45 pm

1 stop15h 50m

Trieste Ronchi dei Legionari

Tue 10/20

6:20 am-8:51 pm

2 stops20h 31m

$1,013

AtlantaTrieste

ATL - TRS

ATLTRS

Atlanta Hartsfield-Jackson

Wed 10/7

12:35 pm-2:00 pm

2 stops19h 25m

Trieste Ronchi dei Legionari

Wed 10/21

6:10 am-8:51 pm

2 stops20h 41m

$1,018

AtlantaTrieste

ATL - TRS

ATLTRS

Atlanta Hartsfield-Jackson

Sat 10/3

7:35 pm-1:45 pm

2 stops36h 10m

Trieste Ronchi dei Legionari

Tue 10/20

6:20 am-1:45 pm

1 stop13h 25m

$1,020

AtlantaTrieste

ATL - TRS

ATLTRS

Atlanta Hartsfield-Jackson

Sat 10/3

2:30 pm-1:45 pm

2 stops41h 15m

Trieste Ronchi dei Legionari

Wed 10/21

6:10 am-8:51 pm

2 stops20h 41m

$1,024

AtlantaTrieste

ATL - TRS

ATLTRS

Atlanta Hartsfield-Jackson

Mon 10/5

2:30 pm-1:55 pm

2 stops17h 25m

Trieste Ronchi dei Legionari

Mon 10/19

2:50 pm-1:45 pm

1 stop28h 55m

$1,028

AtlantaTrieste

ATL - TRS

ATLTRS

Atlanta Hartsfield-Jackson

Sun 10/4

3:55 pm-1:45 pm

1 stop15h 50m

Trieste Ronchi dei Legionari

Mon 10/19

2:50 pm-8:51 pm

2 stops36h 01m

$1,034

AtlantaTrieste

ATL - TRS

ATLTRS

Atlanta Hartsfield-Jackson

Mon 10/5

2:30 pm-1:55 pm

2 stops17h 25m

Trieste Ronchi dei Legionari

Mon 10/19

2:50 pm-8:51 pm

2 stops36h 01m

$1,038

AtlantaTrieste

ATL - TRS

ATLTRS

Atlanta Hartsfield-Jackson

Sat 10/3

7:35 pm-1:45 pm

2 stops36h 10m

Trieste Ronchi dei Legionari

Mon 10/19

2:50 pm-1:45 pm

1 stop28h 55m

$1,040

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

See travel insights to Trieste from

How to get the cheapest flight ticket from Atlanta 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 Atlanta Hartsfield-Jackson to Trieste Ronchi dei Legionari?

United Airlines is the most popular carrier operating from Atlanta Hartsfield-Jackson to Trieste Ronchi dei Legionari

What airlines fly to Trieste?

Delta, Turkish Airlines and Air France are the top three most popular airlines that fly to Trieste from Atlanta according to our data. Delta 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 7 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 Atlanta to Trieste

Are you open to changing your travel dates? Check out the ideal times to fly from Atlanta to Trieste according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Atlanta to Trieste (ATL to TRS) flight deals and tips

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

Fastest flight time

16h 00m

Direct flights

None
The fastest flight from Atlanta to Trieste takes 16h 00m
There are no direct flights from Atlanta to Trieste. There are no popular flight routes from Atlanta to Trieste.
Search flight deals

Frequently asked questions about flying from Atlanta to Trieste

  • How far is Atlanta Hartsfield-Jackson to Trieste Ronchi dei Legionari by plane?

    There are 4947.0 mi between Atlanta Hartsfield-Jackson and Trieste Ronchi dei Legionari. Flights usually cover this in 16h 00m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Atlanta Hartsfield-Jackson Airport to Trieste Ronchi dei Legionari Airport?

    Prices for flights from Atlanta Hartsfield-Jackson Airport to Trieste Ronchi dei Legionari Airport are updated daily.

  • How old do you have to be to fly from Atlanta Hartsfield-Jackson Airport 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 Atlanta Hartsfield-Jackson Airport 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
Udine
Grado

Why use momondo?

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

It is quick and easy to find Atlanta to Trieste flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Trieste that suits you.

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

Yes. momondo allows you to filter the results for Atlanta to Trieste flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Trieste from Atlanta.

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

Yes momondo offers price alerts on flights to Trieste from Atlanta. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Trieste trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 6/11
Thu 6/18
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Italy

Fly your favorite airline to Trieste

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