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Cheap flights from Atlanta to Trieste from $1,565

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 5/8. 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

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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
$1,701Lufthansa
Sun, May 10 - Tue, Jun 30
Lufthansa Logo
7:05 pm - 10:25 pm
ATL
-
TRS
21h 20m
2 stops
Lufthansa Logo
6:10 am - 1:45 pm
TRS
-
ATL
13h 35m
1 stop
$1,705Lufthansa
Mon, May 11 - Fri, Jun 26
Lufthansa Logo
3:55 pm - 1:45 pm
ATL
-
TRS
15h 50m
1 stop
Lufthansa Logo
6:15 am - 5:38 pm
TRS
-
ATL
17h 23m
2 stops
$1,711Lufthansa
Sun, May 10 - Thu, Jul 2
Lufthansa Logo
2:37 pm - 1:45 pm
ATL
-
TRS
17h 08m
2 stops
Lufthansa Logo
6:10 am - 5:38 pm
TRS
-
ATL
17h 28m
2 stops
$1,715Lufthansa
Tue, May 12 - Fri, Jun 26
Lufthansa Logo
7:24 pm - 1:45 pm
ATL
-
TRS
36h 21m
2 stops
Lufthansa Logo
6:20 am - 1:45 pm
TRS
-
ATL
13h 25m
1 stop
$1,718Lufthansa
Sat, May 9 - Tue, Jun 30
Lufthansa Logo
3:55 pm - 1:45 pm
ATL
-
TRS
15h 50m
1 stop
Lufthansa Logo
2:40 pm - 1:45 pm
TRS
-
ATL
29h 05m
1 stop
$1,721Lufthansa
Sun, May 10 - Thu, Jul 2
Lufthansa Logo
7:24 pm - 1:45 pm
ATL
-
TRS
36h 21m
2 stops
Lufthansa Logo
6:15 am - 5:38 pm
TRS
-
ATL
17h 23m
2 stops
$1,723Lufthansa
Sat, May 9 - Thu, Jul 2
Lufthansa Logo
1:24 pm - 10:25 pm
ATL
-
TRS
27h 01m
2 stops
Lufthansa Logo
2:50 pm - 1:45 pm
TRS
-
ATL
28h 55m
1 stop
$1,726Lufthansa
Mon, May 11 - Mon, Jun 29
Lufthansa Logo
3:55 pm - 1:45 pm
ATL
-
TRS
15h 50m
1 stop
Lufthansa Logo
2:50 pm - 5:38 pm
TRS
-
ATL
32h 48m
2 stops
$1,731Lufthansa
Sun, May 10 - Mon, Jun 29
Lufthansa Logo
7:05 pm - 10:25 pm
ATL
-
TRS
21h 20m
2 stops
Lufthansa Logo
2:50 pm - 5:38 pm
TRS
-
ATL
32h 48m
2 stops
$1,736Lufthansa
Mon, May 11 - Mon, Jun 29

United Airlines flights from Atlanta to Trieste

Our best United Airlines deals on Atlanta to Trieste flight tickets
United Airlines
Jun 9
ATL2:41 pmAtlanta Hartsfield-Jackson
13h 44m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Jun 16
TRS6:35 amTrieste Ronchi dei Legionari
18h 41m
2 stops
ATL7:16 pmAtlanta Hartsfield-Jackson
$2,242
United Airlines
Apr 29
ATL7:10 pmAtlanta Hartsfield-Jackson
33h 15m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
May 12
TRS6:35 amTrieste Ronchi dei Legionari
34h 54m
3 stops
ATL11:29 amAtlanta Hartsfield-Jackson
$9,099

Lufthansa flights from Atlanta to Trieste

Our best Lufthansa deals on Atlanta to Trieste flight tickets
Lufthansa
May 10
ATL3:55 pmAtlanta Hartsfield-Jackson
15h 50m
1 stop
TRS1:45 pmTrieste Ronchi dei Legionari
Jun 30
TRS6:20 amTrieste Ronchi dei Legionari
13h 25m
1 stop
ATL1:45 pmAtlanta Hartsfield-Jackson
$1,701
Lufthansa
May 11
ATL7:05 pmAtlanta Hartsfield-Jackson
21h 20m
2 stops
TRS10:25 pmTrieste Ronchi dei Legionari
Jun 26
TRS6:10 amTrieste Ronchi dei Legionari
13h 35m
1 stop
ATL1:45 pmAtlanta Hartsfield-Jackson
$1,705
Lufthansa
May 10
ATL3:55 pmAtlanta Hartsfield-Jackson
15h 50m
1 stop
TRS1:45 pmTrieste Ronchi dei Legionari
Jul 2
TRS6:15 amTrieste Ronchi dei Legionari
17h 23m
2 stops
ATL5:38 pmAtlanta Hartsfield-Jackson
$1,711

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 March 28, 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 5/10

3:55 pm-1:45 pm

1 stop15h 50m

Trieste Ronchi dei Legionari

Tue 6/30

6:20 am-1:45 pm

1 stop13h 25m

$1,701

AtlantaTrieste

ATL - TRS

ATLTRS

Atlanta Hartsfield-Jackson

Mon 5/11

7:05 pm-10:25 pm

2 stops21h 20m

Trieste Ronchi dei Legionari

Fri 6/26

6:10 am-1:45 pm

1 stop13h 35m

$1,705

AtlantaTrieste

ATL - TRS

ATLTRS

Atlanta Hartsfield-Jackson

Sun 5/10

3:55 pm-1:45 pm

1 stop15h 50m

Trieste Ronchi dei Legionari

Thu 7/2

6:15 am-5:38 pm

2 stops17h 23m

$1,711

AtlantaTrieste

ATL - TRS

ATLTRS

Atlanta Hartsfield-Jackson

Tue 5/12

2:37 pm-1:45 pm

2 stops17h 08m

Trieste Ronchi dei Legionari

Fri 6/26

6:10 am-5:38 pm

2 stops17h 28m

$1,715

AtlantaTrieste

ATL - TRS

ATLTRS

Atlanta Hartsfield-Jackson

Sat 5/9

7:24 pm-1:45 pm

2 stops36h 21m

Trieste Ronchi dei Legionari

Tue 6/30

6:20 am-1:45 pm

1 stop13h 25m

$1,718

AtlantaTrieste

ATL - TRS

ATLTRS

Atlanta Hartsfield-Jackson

Sun 5/10

3:55 pm-1:45 pm

1 stop15h 50m

Trieste Ronchi dei Legionari

Thu 7/2

2:40 pm-1:45 pm

1 stop29h 05m

$1,721

AtlantaTrieste

ATL - TRS

ATLTRS

Atlanta Hartsfield-Jackson

Sat 5/9

7:24 pm-1:45 pm

2 stops36h 21m

Trieste Ronchi dei Legionari

Thu 7/2

6:15 am-5:38 pm

2 stops17h 23m

$1,723

AtlantaTrieste

ATL - TRS

ATLTRS

Atlanta Hartsfield-Jackson

Mon 5/11

1:24 pm-10:25 pm

2 stops27h 01m

Trieste Ronchi dei Legionari

Mon 6/29

2:50 pm-1:45 pm

1 stop28h 55m

$1,726

AtlantaTrieste

ATL - TRS

ATLTRS

Atlanta Hartsfield-Jackson

Sun 5/10

3:55 pm-1:45 pm

1 stop15h 50m

Trieste Ronchi dei Legionari

Mon 6/29

2:50 pm-5:38 pm

2 stops32h 48m

$1,731

AtlantaTrieste

ATL - TRS

ATLTRS

Atlanta Hartsfield-Jackson

Mon 5/11

7:05 pm-10:25 pm

2 stops21h 20m

Trieste Ronchi dei Legionari

Mon 6/29

2:50 pm-5:38 pm

2 stops32h 48m

$1,736

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
1
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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 KLM 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 46% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 8 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

17h 08m

Direct flights

None
The fastest flight from Atlanta to Trieste takes 17h 08m
There are no direct flights from Atlanta to Trieste. There are no popular flight routes from Atlanta to Trieste.
Search flight deals

  • 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 17h 08m, 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.
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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
KLM
Air France
Lufthansa
British Airways
Scandinavian Airlines
American Airlines