HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Trieste

$542+ Cheap flights from Indiana to Trieste (TRS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
IND — TRS
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Indiana to Trieste with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Indiana to Trieste

Keep the following information in mind while searching for Indiana to Trieste flight deals. Data was last updated May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
2 stars

Round-trip from

$834
(FlightHub)

One-way from

$542
(Cheapflightsfares)
Provider with most accurate pricing for Indianapolis-Trieste Ronchi dei Legionari flight deals.
Search Deals
Provider most trusted by Cheapflights users for Indianapolis-Trieste Ronchi dei Legionari flights.
Search Deals
From Indiana to Trieste Ronchi dei Legionari
Search Deals
One-way flight from Indiana to Trieste Ronchi dei Legionari
Search Deals

Find flight deals from Indiana to Trieste

Cheapest flights from Indiana to Trieste
Explore the most affordable flight options available from Indiana to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This FlightHub deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2311:25 amORD - TRS
2 stops24h 10mTurkish Airlines
Tue 9/3011:15 amTRS - ORD
2 stops29h 25mTurkish Airlines
Deal found 4/30$834
This Gurufare deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2310:30 pmORD - TRS
1 stop17h 05mLufthansa
Tue 9/306:30 amTRS - ORD
1 stop13h 25mLufthansa
Deal found 4/30$898
This FlightHub deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/234:42 pmORD - TRS
2 stops14h 23mMultiple Airlines
Tue 9/306:30 amTRS - ORD
1 stop13h 25mMultiple Airlines
Deal found 4/30$909
This lastminute.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/1511:00 amORD - TRS
2 stops20h 30mKLM
Sun 6/223:15 pmTRS - ORD
2 stops32h 03mKLM
Deal found 5/1$1,129
This KAYAK deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/32:52 pmSDF - TRS
2 stops17h 13mLufthansa
Wed 6/116:30 amTRS - SDF
2 stops16h 49mLufthansa
Deal found 5/1$1,172
This Austrian Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/154:20 pmORD - TRS
2 stops35h 05mAustrian Airlines
Mon 10/137:25 pmTRS - ORD
2 stops24h 55mAustrian Airlines
Deal found 4/30$1,198
This Gotogate deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/153:00 pmORD - TRS
1 stop16h 30mITA Airways
Sun 6/227:15 pmTRS - ORD
1 stop24h 55mITA Airways
Deal found 5/1$1,280
This KAYAK deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/247:25 pmORD - TRS
2 stops16h 05mIcelandair
Sun 8/311:15 amTRS - ORD
2 stops17h 00mIcelandair
Deal found 4/30$1,385
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2310:20 amORD - TRS
2 stops17h 05mDelta
Sat 8/26:35 amTRS - ORD
2 stops32h 50mDelta
Deal found 4/30$1,407
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1210:26 amMDW - TRS
2 stops21h 04mDelta
Thu 6/196:35 amTRS - MDW
2 stops22h 10mDelta
Deal found 4/30$1,929
This lastminute.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/151:09 pmMDW - TRS
2 stops18h 21mMultiple Airlines
Sun 6/226:35 amTRS - MDW
2 stops18h 27mMultiple Airlines
Deal found 5/1$2,396

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated May 1, 2025.
Use the filters below to find and compare flights from Indiana to Trieste that are best for you.

Fly from

Indiana

Fly to

Trieste

Route

Depart

Return

Price

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Tue 9/23

11:25 am-6:35 pm

2 stops24h 10m

Trieste Ronchi dei Legionari

Tue 9/30

11:15 am-9:40 am

2 stops29h 25m

$834

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Tue 9/23

10:30 pm-10:35 pm

1 stop17h 05m

Trieste Ronchi dei Legionari

Tue 9/30

6:30 am-12:55 pm

1 stop13h 25m

$898

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Tue 9/23

4:42 pm-2:05 pm

2 stops14h 23m

Trieste Ronchi dei Legionari

Tue 9/30

6:30 am-12:55 pm

1 stop13h 25m

$909

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Sun 6/15

11:00 am-2:30 pm

2 stops20h 30m

Trieste Ronchi dei Legionari

Sun 6/22

3:15 pm-4:18 pm

2 stops32h 03m

$1,129

LouisvilleTrieste

SDF - TRS

SDFTRS

Louisville Intl

Tue 6/3

2:52 pm-2:05 pm

2 stops17h 13m

Trieste Ronchi dei Legionari

Wed 6/11

6:30 am-5:19 pm

2 stops16h 49m

$1,172

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Mon 9/15

4:20 pm-10:25 am

2 stops35h 05m

Trieste Ronchi dei Legionari

Mon 10/13

7:25 pm-1:20 pm

2 stops24h 55m

$1,198

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Sun 6/15

3:00 pm-2:30 pm

1 stop16h 30m

Trieste Ronchi dei Legionari

Sun 6/22

7:15 pm-1:10 pm

1 stop24h 55m

$1,280

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Thu 7/24

7:25 pm-6:30 pm

2 stops16h 05m

Trieste Ronchi dei Legionari

Sun 8/3

11:15 am-9:15 pm

2 stops17h 00m

$1,385

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Wed 7/23

10:20 am-10:25 am

2 stops17h 05m

Trieste Ronchi dei Legionari

Sat 8/2

6:35 am-8:25 am

2 stops32h 50m

$1,407

ChicagoTrieste

MDW - TRS

MDWTRS

Chicago Midway

Thu 6/12

10:26 am-2:30 pm

2 stops21h 04m

Trieste Ronchi dei Legionari

Thu 6/19

6:35 am-9:45 pm

2 stops22h 10m

$1,929

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 16 results
1
2

Best time to book a flight from Indiana to Trieste

Have a flexible travel schedule? Discover the best time to fly to Trieste from Indiana with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Indiana to Trieste

Rainfall in Trieste by month

Plan your trip to Trieste by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Trieste ranges from 2.4 - 4.5 inches per month. November is typically the wettest month, when rainfall can reach 4.5 in. February is typically the driest time to visit Trieste when rainfall is around 2.4 in.

Temperature in Trieste by month

Plan your trip to Trieste by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Trieste, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Trieste

Get insights into the airlines that provide service to Trieste. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Trieste. Reviews last updated May 1, 2025.
Get a feel of what it's like to fly with Delta, KLM and Austrian Airlines from Indiana to Trieste by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
781 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Turkish Airlines
7.3
Good
3,791 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Icelandair
7.0
Good
487 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Indiana to Trieste. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Trieste from Indiana?

    If you book a flight to Trieste from Indiana, you will be flying to Ronchi dei Legionari, which is the city’s only airport. Trieste Ronchi dei Legionari (TRS) is located 18.2 mi from the center of Trieste.

  • What are the cheapest airlines to fly from Indiana to Trieste one-way?

    To fly one-way, consider booking your trip with ITA Airways, which is currently one of the cheapest options available, starting at $542. Lufthansa flights start at $681 while deals on Delta start at $814 one-way.

  • What are the most popular routes from Indiana to Trieste?

    When deciding which route to take from Indiana to Trieste consider Chicago O'Hare Intl - Trieste Ronchi dei Legionari, Chicago Midway - Trieste Ronchi dei Legionari or Indianapolis - Trieste Ronchi dei Legionari as they are the most popular.

  • Can I find deals for flights from Indiana to Trieste that include hotel bookings?

    Yes. In addition to deals on Indiana to Trieste flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Indiana to Trieste?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Indiana to Trieste.

  • Can I find deals for business class flights from Indiana to Trieste?

    Yes. Cheapflights offers flight deals from Indiana to Trieste by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Indiana?

Book flights to Indiana if you plan to visit one of these locations
Udine

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Indiana to Trieste

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Vicenza flights
Newark to Vicenza flights
LaGuardia to Vicenza flights
Atlanta to Vicenza flights
Dulles Intl to Vicenza flights
Boston to Vicenza flights
Dallas/Fort Worth to Vicenza flights
Philadelphia to Vicenza flights
Los Angeles to Vicenza flights
Seattle to Vicenza flights
O'Hare Intl to Vicenza flights
Reagan-National to Vicenza flights
Baltimore to Vicenza flights
San Francisco to Vicenza flights
Miami to Vicenza flights
Hobby to Vicenza flights
Raleigh to Vicenza flights
Portland to Vicenza flights
Orlando to Vicenza flights
Minneapolis to Vicenza flights
Love Field to Vicenza flights
Denver to Vicenza flights
Midway to Vicenza flights
George Bush Intcntl to Vicenza flights
Detroit to Vicenza flights
Charlotte to Vicenza flights
Austin to Vicenza flights
Kansas City to Vicenza flights
San Diego to Vicenza flights
Cincinnati to Vicenza flights
Las Vegas to Vicenza flights
Sky Harbor Intl to Vicenza flights
Tampa to Vicenza flights
Syracuse to Vicenza flights
New Orleans to Vicenza flights
Ontario to Vicenza flights
San Antonio to Vicenza flights
Indianapolis to Vicenza flights
Grand Rapids to Vicenza flights
St. Louis to Vicenza flights
Salt Lake City to Vicenza flights
Norfolk to Vicenza flights
Cleveland to Vicenza flights
Nashville to Vicenza flights
Columbus to Vicenza flights
Dayton to Vicenza flights
Myrtle Beach to Vicenza flights
Fayetteville to Vicenza flights
John F Kennedy Intl to Trieste flights
Lexington to Vicenza flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
Privacy Preferences©2025 Cheapflights