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Cheap flights from Indianapolis to Trieste from $1,016

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Indianapolis to Trieste departing on 9/23. 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 Indianapolis to Trieste

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
2:00 pm - 10:25 pmIND  Indianapolis-TRS Trieste Ronchi dei Legionari
26h 25m2 stops Chicago O'Hare Intl Frankfurt am Main
Lufthansa Logo
6:10 am - 8:41 pmTRS  Trieste Ronchi dei Legionari-IND Indianapolis
20h 31m2 stops Frankfurt am Main Toronto Pearson Intl
$1,016Lufthansa
Wed, Sep 23 - Wed, Sep 30
United Airlines Logo
4:25 pm - 10:25 amIND  Indianapolis-TRS Trieste Ronchi dei Legionari
36h 00m2 stops Chicago O'Hare Intl Rome Fiumicino
United Airlines Logo
6:35 am - 6:45 pmTRS  Trieste Ronchi dei Legionari-IND Indianapolis
18h 10m2 stops Rome Fiumicino Chicago O'Hare Intl
$1,147United Airlines
Fri, Dec 4 - Tue, Dec 8
United Airlines Logo
4:25 pm - 10:25 amIND  Indianapolis-TRS Trieste Ronchi dei Legionari
36h 00m2 stops Chicago O'Hare Intl Rome Fiumicino
United Airlines Logo
6:35 am - 6:45 pmTRS  Trieste Ronchi dei Legionari-IND Indianapolis
18h 10m2 stops Rome Fiumicino Chicago O'Hare Intl
$1,172United Airlines
Fri, Dec 4 - Tue, Dec 8
Multiple Airlines Logo
7:50 pm - 4:00 pmIND  Indianapolis-TRS Trieste Ronchi dei Legionari
14h 10m1 stop Dublin
Multiple Airlines Logo
3:35 pm - 6:20 pmTRS  Trieste Ronchi dei Legionari-IND Indianapolis
32h 45m2 stops London Stansted Dublin
$1,223Multiple Airlines
Wed, Sep 23 - Wed, Sep 30
United Airlines Logo
1:40 pm - 10:25 amIND  Indianapolis-TRS Trieste Ronchi dei Legionari
14h 45m2 stops Chicago O'Hare Intl Rome Fiumicino
United Airlines Logo
6:35 am - 5:52 pmTRS  Trieste Ronchi dei Legionari-IND Indianapolis
17h 17m2 stops Rome Fiumicino Chicago O'Hare Intl
$1,225United Airlines
Sun, Nov 1 - Sat, Nov 14
Multiple Airlines Logo
4:25 pm - 10:55 pmIND  Indianapolis-TRS Trieste Ronchi dei Legionari
24h 30m2 stops Toronto Pearson Intl Rome Fiumicino
Multiple Airlines Logo
7:15 pm - 6:20 pmTRS  Trieste Ronchi dei Legionari-IND Indianapolis
29h 05m3 stops Rome Fiumicino Paris Charles de Gaulle Dublin
$1,275Multiple Airlines
Wed, Sep 23 - Wed, Sep 30
Multiple Airlines Logo
4:25 pm - 10:55 pmIND  Indianapolis-TRS Trieste Ronchi dei Legionari
24h 30m3 stops Toronto Pearson Intl Paris Charles de Gaulle Rome Fiumicino
Multiple Airlines Logo
7:15 pm - 6:20 pmTRS  Trieste Ronchi dei Legionari-IND Indianapolis
29h 05m3 stops Rome Fiumicino Paris Charles de Gaulle Dublin
$1,282Multiple Airlines
Wed, Sep 23 - Wed, Sep 30
United Airlines Logo
1:38 pm - 10:25 amIND  Indianapolis-TRS Trieste Ronchi dei Legionari
14h 47m2 stops Chicago O'Hare Intl Rome Fiumicino
United Airlines Logo
6:35 am - 5:49 pmTRS  Trieste Ronchi dei Legionari-IND Indianapolis
17h 14m2 stops Rome Fiumicino Chicago O'Hare Intl
$2,128United Airlines
Fri, Oct 2 - Sun, Oct 11
United Airlines Logo
2:47 pm - 10:25 amIND  Indianapolis-TRS Trieste Ronchi dei Legionari
13h 38m2 stops Washington, D.C. Dulles Intl Rome Fiumicino
United Airlines Logo
6:35 am - 8:36 pmTRS  Trieste Ronchi dei Legionari-IND Indianapolis
20h 01m2 stops Rome Fiumicino Toronto Pearson Intl
$8,150United Airlines
Fri, Oct 2 - Sun, Oct 11

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United Airlines flights from Indianapolis to Trieste

Our best United Airlines deals on Indianapolis to Trieste flight tickets
United Airlines
Dec 4
IND4:25 pmIndianapolis
36h 00m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Dec 8
TRS6:35 amTrieste Ronchi dei Legionari
18h 10m
2 stops
IND6:45 pmIndianapolis
$1,147
United Airlines
Dec 4
IND4:25 pmIndianapolis
36h 00m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Dec 8
TRS6:35 amTrieste Ronchi dei Legionari
18h 10m
2 stops
IND6:45 pmIndianapolis
$1,172
United Airlines
Nov 1
IND1:40 pmIndianapolis
14h 45m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Nov 14
TRS6:35 amTrieste Ronchi dei Legionari
17h 17m
2 stops
IND5:52 pmIndianapolis
$1,225

momondo Fare Finder

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

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

IndianapolisTrieste

IND Indianapolis - TRS Trieste Ronchi dei Legionari

INDTRS

Indianapolis

Wed 9/23

2:00 pm-10:25 pm

2 stops26h 25m

Trieste Ronchi dei Legionari

Wed 9/30

6:10 am-8:41 pm

2 stops20h 31m

$1,016

IndianapolisTrieste

IND Indianapolis - TRS Trieste Ronchi dei Legionari

INDTRS

Indianapolis

Fri 12/4

4:25 pm-10:25 am

2 stops36h 00m

Trieste Ronchi dei Legionari

Tue 12/8

6:35 am-6:45 pm

2 stops18h 10m

$1,147

IndianapolisTrieste

IND Indianapolis - TRS Trieste Ronchi dei Legionari

INDTRS

Indianapolis

Fri 12/4

4:25 pm-10:25 am

2 stops36h 00m

Trieste Ronchi dei Legionari

Tue 12/8

6:35 am-6:45 pm

2 stops18h 10m

$1,172

IndianapolisTrieste

IND Indianapolis - TRS Trieste Ronchi dei Legionari

INDTRS

Indianapolis

Wed 9/23

7:50 pm-4:00 pm

1 stop14h 10m

Trieste Ronchi dei Legionari

Wed 9/30

3:35 pm-6:20 pm

2 stops32h 45m

$1,223

IndianapolisTrieste

IND Indianapolis - TRS Trieste Ronchi dei Legionari

INDTRS

Indianapolis

Sun 11/1

1:40 pm-10:25 am

2 stops14h 45m

Trieste Ronchi dei Legionari

Sat 11/14

6:35 am-5:52 pm

2 stops17h 17m

$1,225

IndianapolisTrieste

IND Indianapolis - TRS Trieste Ronchi dei Legionari

INDTRS

Indianapolis

Wed 9/23

4:25 pm-10:55 pm

2 stops24h 30m

Trieste Ronchi dei Legionari

Wed 9/30

7:15 pm-6:20 pm

3 stops29h 05m

$1,275

IndianapolisTrieste

IND Indianapolis - TRS Trieste Ronchi dei Legionari

INDTRS

Indianapolis

Wed 9/23

4:25 pm-10:55 pm

3 stops24h 30m

Trieste Ronchi dei Legionari

Wed 9/30

7:15 pm-6:20 pm

3 stops29h 05m

$1,282
Quickest round-trip

IndianapolisTrieste

IND Indianapolis - TRS Trieste Ronchi dei Legionari

INDTRS

Indianapolis

Fri 10/2

1:38 pm-10:25 am

2 stops14h 47m

Trieste Ronchi dei Legionari

Sun 10/11

6:35 am-5:49 pm

2 stops17h 14m

$2,128

IndianapolisTrieste

IND Indianapolis - TRS Trieste Ronchi dei Legionari

INDTRS

Indianapolis

Fri 10/2

2:47 pm-10:25 am

2 stops13h 38m

Trieste Ronchi dei Legionari

Sun 10/11

6:35 am-8:36 pm

2 stops20h 01m

$8,150

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Trieste from

How to get the cheapest flight ticket from Indianapolis 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 airlines fly to Trieste?

British Airways, Delta and United Airlines are the top three most popular airlines that fly to Trieste from Indianapolis according to our data. British Airways is the first choice among our users, with 61% 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 Indianapolis to Trieste

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

Cheap Indianapolis to Trieste (IND to TRS) flight deals and tips

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

Fastest flight time

26h 25m

Direct flights

None
The fastest flight from Indianapolis to Trieste takes 26h 25m
There are no direct flights from Indianapolis to Trieste. There are no popular flight routes from Indianapolis to Trieste.
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Frequently asked questions about flying from Indianapolis to Trieste

  • How far is Indianapolis to Trieste Ronchi dei Legionari by plane?

    There are 4736.9 mi between Indianapolis and Trieste Ronchi dei Legionari. In terms of flight time, this usually takes a little over 26h 25m.

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

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

  • How old do you have to be to fly from Indianapolis 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 Indianapolis 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 you'll need for your trip to Trieste Ronchi dei Legionari Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Trieste Ronchi dei Legionari Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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 Indianapolis to Trieste?

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

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

All flight searches from Indianapolis to Trieste on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Indianapolis and Trieste by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Trieste from Indianapolis. 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.

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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
KLM