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Cheap flights from Indiana to Trieste from $437

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Indiana to Trieste departing on 6/7. 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 Indiana to Trieste

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 pm - 6:30 pm
ORD
-
TRS
41h 30m
2 stops
Multiple Airlines Logo
7:15 pm - 4:00 pm
TRS
-
ORD
51h 45m
2 stops
$748Multiple Airlines
Wed, Apr 15 - Wed, Apr 22
Multiple Airlines Logo
2:00 pm - 1:55 pm
ORD
-
TRS
16h 55m
2 stops
Multiple Airlines Logo
6:20 am - 3:15 pm
TRS
-
ORD
15h 55m
2 stops
$778Multiple Airlines
Thu, Apr 16 - Tue, Apr 21
Multiple Airlines Logo
7:25 pm - 8:00 pm
ORD
-
TRS
17h 35m
2 stops
Multiple Airlines Logo
6:35 am - 4:00 pm
TRS
-
ORD
40h 25m
2 stops
$783Multiple Airlines
Tue, Apr 14 - Tue, Apr 21
Multiple Airlines Logo
3:00 pm - 2:00 pm
ORD
-
TRS
16h 00m
1 stop
Multiple Airlines Logo
6:10 am - 11:00 am
TRS
-
ORD
11h 50m
1 stop
$812Multiple Airlines
Wed, Apr 15 - Wed, Apr 22
ITA Airways Logo
11:00 am - 10:25 am
ORD
-
TRS
16h 25m
2 stops
ITA Airways Logo
3:15 pm - 1:10 pm
TRS
-
ORD
28h 55m
1 stop
$814ITA Airways
Fri, May 8 - Fri, May 15
Multiple Airlines Logo
10:30 pm - 10:15 pm
ORD
-
TRS
16h 45m
1 stop
Multiple Airlines Logo
6:20 am - 3:15 pm
TRS
-
ORD
15h 55m
2 stops
$818Multiple Airlines
Thu, Apr 16 - Tue, Apr 21
KLM Logo
2:12 pm - 2:30 pm
MDW
-
TRS
17h 18m
2 stops
KLM Logo
6:35 am - 6:36 pm
TRS
-
MDW
19h 01m
2 stops
$833KLM
Wed, Apr 15 - Wed, Apr 22
ITA Airways Logo
8:45 am - 2:30 pm
ORD
-
TRS
22h 45m
2 stops
ITA Airways Logo
11:15 am - 1:10 pm
TRS
-
ORD
32h 55m
1 stop
$863ITA Airways
Fri, May 8 - Fri, May 15
KLM Logo
1:24 pm - 2:30 pm
MDW
-
TRS
18h 06m
2 stops
KLM Logo
6:35 am - 5:58 pm
TRS
-
MDW
18h 23m
2 stops
$924KLM
Thu, Apr 16 - Tue, Apr 21
United Airlines Logo
11:13 am - 10:25 am
SDF
-
TRS
17h 12m
2 stops
United Airlines Logo
6:35 am - 11:59 pm
TRS
-
SDF
23h 24m
2 stops
$2,563United Airlines
Fri, Jun 5 - Sun, Jun 14

Lufthansa flights from Indiana to Trieste

Our best Lufthansa deals on Indiana to Trieste flight tickets
Lufthansa
Apr 13
ORD10:30 pmChicago O'Hare Intl
16h 55m
1 stop
TRS10:25 pmTrieste Ronchi dei Legionari
Apr 20
TRS2:50 pmTrieste Ronchi dei Legionari
34h 25m
2 stops
ORD6:15 pmChicago O'Hare Intl
$959
Lufthansa
May 8
ORD4:05 pmChicago O'Hare Intl
14h 50m
1 stop
TRS1:55 pmTrieste Ronchi dei Legionari
May 15
TRS6:00 amTrieste Ronchi dei Legionari
20h 55m
1 stop
ORD7:55 pmChicago O'Hare Intl
$986
Lufthansa
May 8
ORD4:05 pmChicago O'Hare Intl
14h 50m
1 stop
TRS1:55 pmTrieste Ronchi dei Legionari
May 15
TRS2:40 pmTrieste Ronchi dei Legionari
12h 15m
1 stop
ORD7:55 pmChicago O'Hare Intl
$1,015

United Airlines flights from Indiana to Trieste

Our best United Airlines deals on Indiana to Trieste flight tickets
United Airlines
Jun 5
SDF11:13 amLouisville Intl
17h 12m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Jun 14
TRS6:35 amTrieste Ronchi dei Legionari
23h 24m
2 stops
SDF11:59 pmLouisville Intl
$2,563
United Airlines
Mar 4
IND11:25 amIndianapolis
17h 00m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Mar 8
TRS6:35 amTrieste Ronchi dei Legionari
19h 24m
2 stops
IND7:59 pmIndianapolis
$2,740
United Airlines
Mar 4
SDF1:50 pmLouisville Intl
14h 35m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Mar 8
TRS6:35 amTrieste Ronchi dei Legionari
17h 56m
2 stops
SDF6:31 pmLouisville Intl
$3,193

momondo Fare Finder

 
Customize your flight search to find flights from Indiana 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 2, 2026.
Use the filters below to find and compare flights from Indiana to Trieste that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Wed 4/15

6:00 pm-6:30 pm

2 stops41h 30m

Trieste Ronchi dei Legionari

Wed 4/22

7:15 pm-4:00 pm

2 stops51h 45m

$748

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Thu 4/16

2:00 pm-1:55 pm

2 stops16h 55m

Trieste Ronchi dei Legionari

Tue 4/21

6:20 am-3:15 pm

2 stops15h 55m

$778

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Tue 4/14

7:25 pm-8:00 pm

2 stops17h 35m

Trieste Ronchi dei Legionari

Tue 4/21

6:35 am-4:00 pm

2 stops40h 25m

$783

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Wed 4/15

3:00 pm-2:00 pm

1 stop16h 00m

Trieste Ronchi dei Legionari

Wed 4/22

6:10 am-11:00 am

1 stop11h 50m

$812

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Fri 5/8

11:00 am-10:25 am

2 stops16h 25m

Trieste Ronchi dei Legionari

Fri 5/15

3:15 pm-1:10 pm

1 stop28h 55m

$814

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Thu 4/16

10:30 pm-10:15 pm

1 stop16h 45m

Trieste Ronchi dei Legionari

Tue 4/21

6:20 am-3:15 pm

2 stops15h 55m

$818

ChicagoTrieste

MDW - TRS

MDWTRS

Chicago Midway

Wed 4/15

2:12 pm-2:30 pm

2 stops17h 18m

Trieste Ronchi dei Legionari

Wed 4/22

6:35 am-6:36 pm

2 stops19h 01m

$833

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Fri 5/8

8:45 am-2:30 pm

2 stops22h 45m

Trieste Ronchi dei Legionari

Fri 5/15

11:15 am-1:10 pm

1 stop32h 55m

$863

ChicagoTrieste

MDW - TRS

MDWTRS

Chicago Midway

Thu 4/16

1:24 pm-2:30 pm

2 stops18h 06m

Trieste Ronchi dei Legionari

Tue 4/21

6:35 am-5:58 pm

2 stops18h 23m

$924

LouisvilleTrieste

SDF - TRS

SDFTRS

Louisville Intl

Fri 6/5

11:13 am-10:25 am

2 stops17h 12m

Trieste Ronchi dei Legionari

Sun 6/14

6:35 am-11:59 pm

2 stops23h 24m

$2,563

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Trieste from

How to get the cheapest flight ticket from Indiana 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 Indiana to Trieste Ronchi dei Legionari?

Lufthansa and KLM are the most popular carriers operating from Indiana to Trieste Ronchi dei Legionari

What airlines fly to Trieste?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Trieste from Indiana according to our data. United Airlines is the first choice among our users, with 41% 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 Indiana to Trieste flight deals and tips

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

Fastest flight time

11h 40m

Direct flights

None
The fastest flight from Indiana to Trieste takes 11h 40m
There are no direct flights from Indiana to Trieste. There are no popular flight routes from Indiana to Trieste.
Search flight deals

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

    Prices for flights from Indiana to Trieste Ronchi dei Legionari Airport refresh daily.

  • How old do you have to be to fly from Indiana 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 Indiana 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 Indiana to Trieste?

It is quick and easy to find Indiana 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 Indiana to Trieste with flexible booking policies on momondo?

Flights from Indiana 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 Indiana to Trieste?

Once all potential Indiana 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 Indiana to Trieste right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Indiana 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.

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
United Airlines
Delta
American Airlines
British Airways
KLM
Lufthansa