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$1,070+ Cheap flights from O'Hare Intl (ORD) 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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TRS
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheapest flights from O'Hare Intl to Trieste
Explore the most affordable flight options available from O'Hare Intl to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Turkish Airlines deal was found by Cheapflights users on 10/27. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2611:50 amORD - TRS
2 stops28h 05mTurkish Airlines
Thu 12/46:35 amTRS - ORD
2 stops34h 30mTurkish Airlines
Deal found 10/27$1,070
This United Airlines deal was found by Cheapflights users on 10/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/263:45 pmORD - TRS
1 stop11h 40mUnited Airlines
Thu 12/46:35 amTRS - ORD
1 stop13h 35mUnited Airlines
Deal found 10/27$1,391
This AranGrant deal was found by Cheapflights users on 10/27. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/143:45 pmORD - TRS
1 stop15h 45mLufthansa
Thu 1/82:50 pmTRS - ORD
1 stop27h 20mLufthansa
Deal found 10/27$1,842
This AranGrant deal was found by Cheapflights users on 10/28. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/143:45 pmORD - TRS
1 stop19h 45mMultiple Airlines
Thu 1/811:15 amTRS - ORD
2 stops32h 55mMultiple Airlines
Deal found 10/28$1,859
This AranGrant deal was found by Cheapflights users on 10/27. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:30 pmORD - TRS
2 stops17h 00mMultiple Airlines
Sat 1/106:35 amTRS - ORD
2 stops17h 45mMultiple Airlines
Deal found 10/27$2,085
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/134:20 pmORD - TRS
1 stop14h 45mLufthansa
Sat 1/106:25 amTRS - ORD
1 stop13h 45mLufthansa
Deal found 10/29$2,267

Cheap flight deals from O'Hare Intl to Trieste

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 October 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$1,070
(Turkish Airlines)
Provider with most accurate pricing for Chicago O'Hare Intl-Trieste Ronchi dei Legionari flight deals.
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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Trieste Ronchi dei Legionari flights.
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From Chicago O'Hare Intl to Trieste Ronchi dei Legionari
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Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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 October 29, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Trieste that are best for you.

Fly from

O'Hare Intl

Fly to

Trieste

Route

Depart

Return

Price

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Wed 11/26

11:50 am-10:55 pm

2 stops28h 05m

Trieste Ronchi dei Legionari

Thu 12/4

6:35 am-10:05 am

2 stops34h 30m

$1,070

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Sun 4/5

3:00 pm-2:30 pm

1 stop16h 30m

Trieste Ronchi dei Legionari

Wed 4/8

6:35 am-1:10 pm

1 stop13h 35m

$1,226

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Wed 11/26

3:45 pm-10:25 am

1 stop11h 40m

Trieste Ronchi dei Legionari

Thu 12/4

6:35 am-1:10 pm

1 stop13h 35m

$1,391

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Wed 4/15

3:00 pm-10:25 am

1 stop12h 25m

Trieste Ronchi dei Legionari

Wed 4/29

6:35 am-1:10 pm

1 stop13h 35m

$1,584

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

  • Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Trieste flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Trieste flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Trieste flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Trieste flights, Cheapflights users trust FlightHub the most. FlightHub 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 Chicago O'Hare Intl Airport-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 O'Hare Intl to Trieste

Have a flexible travel schedule? Discover the best time to fly to Trieste from O'Hare Intl 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 Chicago O'Hare Intl Airport to Trieste

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Trieste?

Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Trieste (average of $431). Flying from Chicago O'Hare Intl Airport to Trieste in June is currently the most expensive (average of $851). 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 O'Hare Intl 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 Chicago O'Hare Intl?

    Most people fly into Trieste Ronchi dei Legionari (TRS) if they book a flight to Trieste from Chicago O'Hare Intl. On average, Ronchi dei Legionari has 0 inbound flights from Chicago O'Hare Intl per day from 0 airlines. Trieste Ronchi dei Legionari is conveniently located just 18.2 mi from Trieste’s city center.

  • How long is the flight from Chicago O'Hare Intl Airport to Trieste?

    Departing from Chicago O'Hare Intl Airport to Trieste will take you 16h 30m. Airlines will cover a distance of 4683 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from O'Hare Intl to Trieste that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Trieste flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Trieste?

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

  • Can I find deals for business class flights from O'Hare Intl to Trieste?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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 Chicago O'Hare Intl Airport to Trieste?

    Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Trieste (average of $431). Flying from Chicago O'Hare Intl Airport to Trieste in June is currently the most expensive (average of $851). 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.

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