HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Trieste

$1,295+ Cheap flights from Indianapolis (IND) to Trieste (TRS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
IND — TRS
Jan 16 — Jan 231
Fri 1/16
Fri 1/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Indianapolis 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 Indianapolis to Trieste

Cheapest flights from Indianapolis to Trieste
Explore the most affordable flight options available from Indianapolis to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 17, 2025.

This KAYAK deal was found by Cheapflights users on 12/16. 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 12/233:30 pmIND - TRS
2 stops49h 25mLufthansa
Wed 12/312:40 pmTRS - IND
2 stops34h 23mLufthansa
Deal found 12/16$1,295
This KAYAK deal was found by Cheapflights users on 12/16. 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.
Mon 12/227:45 pmIND - TRS
2 stops36h 15mLufthansa
Wed 12/312:40 pmTRS - IND
2 stops34h 23mLufthansa
Deal found 12/16$1,522
This KAYAK deal was found by Cheapflights users on 12/17. 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 12/233:30 pmIND - TRS
2 stops49h 25mLufthansa
Fri 1/26:25 amTRS - IND
2 stops23h 34mLufthansa
Deal found 12/17$2,388

Find flight deals from Indianapolis to Trieste

Discover tips and strategies to find the most affordable flight options for your journey from Indianapolis (IND) to Trieste (TRS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 17, 2025.

Most accurate provider

AranGrant
2 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,588
(United Airlines)
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 Indianapolis to Trieste Ronchi dei Legionari
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated December 17, 2025.
Use the filters below to find and compare flights from Indianapolis to Trieste that are best for you.

Fly from

Indianapolis

Fly to

Trieste

Route

Depart

Return

Price

IndianapolisTrieste

IND - TRS

INDTRS

Indianapolis

Fri 2/20

4:05 pm-10:25 am

2 stops36h 20m

Trieste Ronchi dei Legionari

Tue 2/24

6:35 am-6:57 pm

2 stops18h 22m

$1,588

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

  • Most accurate provider: When it comes to deals on Indianapolis-Trieste flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Indianapolis-Trieste flight deals on Cheapflights vs. AranGrant 90-95% of the time. Price accuracy is based on data collected from Indianapolis-Trieste flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Indianapolis-Trieste flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Indianapolis-Trieste flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Indianapolis to Trieste

Have a flexible travel schedule? Discover the best time to fly to Trieste from Indianapolis 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 Indianapolis to Trieste

What is the cheapest month to book a flight from Indianapolis to Trieste?

Currently, December is the cheapest month in which you can book a flight from Indianapolis to Trieste (average of $427). Flying from Indianapolis to Trieste in June is currently the most expensive (average of $867). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

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

  • How long is the flight from Indianapolis to Trieste?

    United Airlines can get you from Indianapolis to Trieste in just under 36h 20m. Your travel time can differ by up to . The distance between Indianapolis and Trieste is about 4727 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Indianapolis 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.

  • What is the cheapest month to book a flight from Indianapolis to Trieste?

    Currently, December is the cheapest month in which you can book a flight from Indianapolis to Trieste (average of $427). Flying from Indianapolis to Trieste in June is currently the most expensive (average of $867). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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.

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.