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Trieste

$483+ Cheap flights from O'Hare Intl (ORD) 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TRS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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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 September 11, 2025.

Round-trip from

$670
(FlightHub)

One-way from

$483
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$1,086
From Chicago O'Hare Intl to Trieste Ronchi dei Legionari
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One-way flight from Chicago O'Hare Intl to Trieste Ronchi dei Legionari
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Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from O'Hare Intl to Trieste

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 September 11, 2025.

This FlightHub deal was found by Cheapflights users on 9/10. 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.
Sun 10/56:00 pmORD - TRS
2 stops19h 55mMultiple Airlines
Mon 11/177:15 pmTRS - ORD
2 stops50h 45mMultiple Airlines
Deal found 9/10$670
This FlightHub deal was found by Cheapflights users on 9/10. 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.
Mon 10/611:05 amORD - TRS
2 stops16h 20mITA Airways
Wed 11/196:35 amTRS - ORD
2 stops20h 48mITA Airways
Deal found 9/10$679
This FlightHub deal was found by Cheapflights users on 9/10. 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 9/308:50 amORD - TRS
2 stops22h 40mITA Airways
Sun 11/166:35 amTRS - ORD
2 stops18h 35mITA Airways
Deal found 9/10$719
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/53:35 pmORD - TRS
2 stops22h 45mMultiple Airlines
Tue 11/183:15 pmTRS - ORD
3 stops30h 45mMultiple Airlines
Deal found 9/10$806
This Ovago deal was found by Cheapflights users on 9/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/243:00 pmORD - TRS
1 stop16h 30mITA Airways
Sat 9/276:35 amTRS - ORD
2 stops18h 45mITA Airways
Deal found 9/11$850
This FlightHub deal was found by Cheapflights users on 9/10. 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.
Thu 10/29:00 amORD - TRS
2 stops18h 25mITA Airways
Sun 11/166:35 amTRS - ORD
2 stops18h 35mITA Airways
Deal found 9/10$859
This FlightHub deal was found by Cheapflights users on 9/10. 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 9/307:50 pmORD - TRS
2 stops20h 05mMultiple Airlines
Mon 11/1711:15 amTRS - ORD
2 stops38h 10mMultiple Airlines
Deal found 9/10$878
This FlightHub deal was found by Cheapflights users on 9/10. 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.
Sat 10/46:15 pmORD - TRS
2 stops33h 35mMultiple Airlines
Tue 11/186:35 amTRS - ORD
2 stops39h 25mMultiple Airlines
Deal found 9/10$883
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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.
Sun 10/54:00 pmORD - TRS
1 stop15h 05mLufthansa
Tue 11/186:25 amTRS - ORD
1 stop13h 45mLufthansa
Deal found 9/10$908

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 September 11, 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

Sun 10/5

6:00 pm-8:55 pm

2 stops19h 55m

Trieste Ronchi dei Legionari

Mon 11/17

7:15 pm-3:00 pm

2 stops50h 45m

$670

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Sun 10/5

3:35 pm-9:20 pm

2 stops22h 45m

Trieste Ronchi dei Legionari

Tue 11/18

3:15 pm-3:00 pm

3 stops30h 45m

$806

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Wed 9/24

3:00 pm-2:30 pm

1 stop16h 30m

Trieste Ronchi dei Legionari

Sat 9/27

6:35 am-6:20 pm

2 stops18h 45m

$850

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Wed 10/1

11:05 am-10:25 am

2 stops16h 20m

Trieste Ronchi dei Legionari

Sun 11/16

6:35 am-8:23 pm

2 stops20h 48m

$919

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Mon 10/6

10:30 pm-10:25 pm

1 stop16h 55m

Trieste Ronchi dei Legionari

Tue 11/18

6:25 am-1:10 pm

1 stop13h 45m

$926

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Sun 10/5

10:45 am-10:25 am

2 stops16h 40m

Trieste Ronchi dei Legionari

Thu 11/20

7:15 pm-8:23 pm

2 stops32h 08m

$938

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Tue 9/30

8:50 am-10:55 pm

2 stops31h 05m

Trieste Ronchi dei Legionari

Fri 11/14

6:35 am-8:23 pm

2 stops20h 48m

$938

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Sun 10/5

10:30 pm-10:35 pm

1 stop17h 05m

Trieste Ronchi dei Legionari

Mon 11/17

2:40 pm-1:10 pm

1 stop29h 30m

$951

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Mon 10/6

10:30 pm-10:25 pm

1 stop16h 55m

Trieste Ronchi dei Legionari

Mon 11/17

2:40 pm-1:10 pm

1 stop29h 30m

$951

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Wed 9/24

10:40 am-10:55 pm

3 stops29h 15m

$483

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 11 results
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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.

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.

  • 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.

See more FAQs

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