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Cheap flights from Indiana to Trieste from $433

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 7/5. 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

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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.
Lufthansa Logo
4:05 pm - 1:55 pm
ORD
-
TRS
14h 50m
1 stop
Lufthansa Logo
2:50 pm - 12:55 pm
TRS
-
ORD
29h 05m
1 stop
$890Lufthansa
Mon, Jul 20 - Mon, Jul 27
Lufthansa Logo
4:05 pm - 1:55 pm
ORD
-
TRS
14h 50m
1 stop
Lufthansa Logo
6:20 am - 12:55 pm
TRS
-
ORD
13h 35m
1 stop
$919Lufthansa
Thu, Jul 23 - Tue, Jul 28
Multiple Airlines Logo
3:40 pm - 1:55 pm
ORD
-
TRS
15h 15m
2 stops
Multiple Airlines Logo
6:10 am - 12:55 pm
TRS
-
ORD
13h 45m
1 stop
$955Multiple Airlines
Mon, Jul 20 - Mon, Jul 27
Multiple Airlines Logo
3:40 pm - 1:55 pm
ORD
-
TRS
15h 15m
2 stops
Multiple Airlines Logo
6:10 am - 4:57 pm
TRS
-
ORD
17h 47m
2 stops
$960Multiple Airlines
Mon, Jul 20 - Mon, Jul 27
Multiple Airlines Logo
5:35 pm - 1:45 pm
ORD
-
TRS
13h 10m
2 stops
Multiple Airlines Logo
6:20 am - 12:55 pm
TRS
-
ORD
13h 35m
1 stop
$994Multiple Airlines
Tue, Jul 14 - Tue, Jul 21
Lufthansa Logo
4:05 pm - 1:45 pm
ORD
-
TRS
14h 40m
1 stop
Lufthansa Logo
2:45 pm - 7:55 pm
TRS
-
ORD
12h 10m
1 stop
$1,005Lufthansa
Tue, Jul 14 - Tue, Jul 21
KLM Logo
12:41 pm - 2:30 pm
MDW
-
TRS
18h 49m
2 stops
KLM Logo
6:35 am - 6:25 pm
TRS
-
MDW
18h 50m
2 stops
$1,027KLM
Mon, Jul 20 - Mon, Jul 27
KLM Logo
12:41 pm - 2:30 pm
MDW
-
TRS
18h 49m
2 stops
KLM Logo
6:35 am - 6:25 pm
TRS
-
MDW
18h 50m
2 stops
$1,044KLM
Tue, Jul 14 - Tue, Jul 21
United Airlines Logo
7:00 am - 10:25 am
IND
-
TRS
21h 25m
2 stops
United Airlines Logo
6:35 am - 8:44 pm
TRS
-
IND
20h 09m
2 stops
$1,270United Airlines
Tue, Jul 14 - Tue, Jul 21
United Airlines Logo
7:10 am - 10:25 am
SDF
-
TRS
21h 15m
2 stops
United Airlines Logo
6:35 am - 10:59 pm
TRS
-
SDF
22h 24m
2 stops
$6,852United Airlines
Tue, Sep 1 - Fri, Sep 11

Lufthansa flights from Indiana to Trieste

Our best Lufthansa deals on Indiana to Trieste flight tickets
Lufthansa
Jul 20
ORD4:05 pmChicago O'Hare Intl
14h 50m
1 stop
TRS1:55 pmTrieste Ronchi dei Legionari
Jul 27
TRS2:50 pmTrieste Ronchi dei Legionari
29h 05m
1 stop
ORD12:55 pmChicago O'Hare Intl
$890
Lufthansa
Jul 23
ORD4:05 pmChicago O'Hare Intl
14h 50m
1 stop
TRS1:55 pmTrieste Ronchi dei Legionari
Jul 28
TRS6:20 amTrieste Ronchi dei Legionari
13h 35m
1 stop
ORD12:55 pmChicago O'Hare Intl
$919
Lufthansa
Jul 14
ORD4:05 pmChicago O'Hare Intl
14h 40m
1 stop
TRS1:45 pmTrieste Ronchi dei Legionari
Jul 21
TRS2:45 pmTrieste Ronchi dei Legionari
12h 10m
1 stop
ORD7:55 pmChicago O'Hare Intl
$1,005

KLM flights from Indiana to Trieste

Our best KLM deals on Indiana to Trieste flight tickets
KLM
Jul 20
MDW12:41 pmChicago Midway
18h 49m
2 stops
TRS2:30 pmTrieste Ronchi dei Legionari
Jul 27
TRS6:35 amTrieste Ronchi dei Legionari
18h 50m
2 stops
MDW6:25 pmChicago Midway
$1,027
KLM
Jul 14
MDW12:41 pmChicago Midway
18h 49m
2 stops
TRS2:30 pmTrieste Ronchi dei Legionari
Jul 21
TRS6:35 amTrieste Ronchi dei Legionari
18h 50m
2 stops
MDW6:25 pmChicago Midway
$1,044
KLM
Jul 23
MDW1:18 pmChicago Midway
18h 12m
2 stops
TRS2:30 pmTrieste Ronchi dei Legionari
Jul 28
TRS6:35 amTrieste Ronchi dei Legionari
18h 50m
2 stops
MDW6:25 pmChicago Midway
$1,756

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 June 3, 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

Cheapest round-trip

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Mon 7/20

4:05 pm-1:55 pm

1 stop14h 50m

Trieste Ronchi dei Legionari

Mon 7/27

2:50 pm-12:55 pm

1 stop29h 05m

$890

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Thu 7/23

4:05 pm-1:55 pm

1 stop14h 50m

Trieste Ronchi dei Legionari

Tue 7/28

6:20 am-12:55 pm

1 stop13h 35m

$919

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Mon 7/20

3:40 pm-1:55 pm

2 stops15h 15m

Trieste Ronchi dei Legionari

Mon 7/27

6:10 am-12:55 pm

1 stop13h 45m

$955

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Mon 7/20

3:40 pm-1:55 pm

2 stops15h 15m

Trieste Ronchi dei Legionari

Mon 7/27

6:10 am-4:57 pm

2 stops17h 47m

$960
Quickest round-trip

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Tue 7/14

5:35 pm-1:45 pm

2 stops13h 10m

Trieste Ronchi dei Legionari

Tue 7/21

6:20 am-12:55 pm

1 stop13h 35m

$994

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Tue 7/14

4:05 pm-1:45 pm

1 stop14h 40m

Trieste Ronchi dei Legionari

Tue 7/21

2:45 pm-7:55 pm

1 stop12h 10m

$1,005

ChicagoTrieste

MDW - TRS

MDWTRS

Chicago Midway

Mon 7/20

12:41 pm-2:30 pm

2 stops18h 49m

Trieste Ronchi dei Legionari

Mon 7/27

6:35 am-6:25 pm

2 stops18h 50m

$1,027

ChicagoTrieste

MDW - TRS

MDWTRS

Chicago Midway

Tue 7/14

12:41 pm-2:30 pm

2 stops18h 49m

Trieste Ronchi dei Legionari

Tue 7/21

6:35 am-6:25 pm

2 stops18h 50m

$1,044

IndianapolisTrieste

IND - TRS

INDTRS

Indianapolis

Tue 7/14

7:00 am-10:25 am

2 stops21h 25m

Trieste Ronchi dei Legionari

Tue 7/21

6:35 am-8:44 pm

2 stops20h 09m

$1,270

LouisvilleTrieste

SDF - TRS

SDFTRS

Louisville Intl

Tue 9/1

7:10 am-10:25 am

2 stops21h 15m

Trieste Ronchi dei Legionari

Fri 9/11

6:35 am-10:59 pm

2 stops22h 24m

$6,852

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 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?

TAP AIR PORTUGAL and United Airlines are the most popular carriers operating from Indiana 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 Indiana 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 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 35m

Direct flights

None
The fastest flight from Indiana to Trieste takes 11h 35m
There are no direct flights from Indiana to Trieste. There are no popular flight routes from Indiana to Trieste.
Search flight deals

Frequently asked questions about flying from Indiana to Trieste

  • 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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Fri 7/3
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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
Lufthansa
KLM
American Airlines