$467 Cheap Flights from Chicago (ORD) to Trieste (TRS)

View $467 flight on Wed, Nov 26, 2025Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Friuli Venezia Giulia Airport (TRS)

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Cheap Flights from Chicago to Trieste (ORD-TRS)

Prices were available within the past 7 days and start at $467 for one-way flights and $646 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Wed, Jan 21 - Tue, Feb 3
ORD
Chicago
TRS
Trieste
$646 Roundtrip, found 5 days ago
$646
Roundtrip
found 5 days ago
Select TAP Portugal flight, departing Wed, Jan 21 from Chicago to Trieste, returning Tue, Feb 3, priced at $646 found 5 days ago
TAP Portugal
Wed, Feb 4 - Thu, Feb 19
ORD
Chicago
TRS
Trieste
$646 Roundtrip, found 4 days ago
$646
Roundtrip
found 4 days ago
Select TAP Portugal flight, departing Wed, Feb 4 from Chicago to Trieste, returning Thu, Feb 19, priced at $646 found 4 days ago
TAP Portugal
Sun, Nov 30 - Tue, Dec 16
ORD
Chicago
TRS
Trieste
$650 Roundtrip, found 5 days ago
$650
Roundtrip
found 5 days ago
Select TAP Portugal flight, departing Sun, Nov 30 from Chicago to Trieste, returning Tue, Dec 16, priced at $650 found 5 days ago
TAP Portugal
Sun, Feb 1 - Thu, Feb 19
ORD
Chicago
TRS
Trieste
$650 Roundtrip, found 4 days ago
$650
Roundtrip
found 4 days ago
Select TAP Portugal flight, departing Sun, Feb 1 from Chicago to Trieste, returning Thu, Feb 19, priced at $650 found 4 days ago
TAP Portugal
Wed, Jan 21 - Wed, Feb 4
ORD
Chicago
TRS
Trieste
$653 Roundtrip, found 5 days ago
$653
Roundtrip
found 5 days ago
Select TAP Portugal flight, departing Wed, Jan 21 from Chicago to Trieste, returning Wed, Feb 4, priced at $653 found 5 days ago
TAP Portugal
Sun, Feb 1 - Wed, Feb 18
ORD
Chicago
TRS
Trieste
$653 Roundtrip, found 4 days ago
$653
Roundtrip
found 4 days ago
Select TAP Portugal flight, departing Sun, Feb 1 from Chicago to Trieste, returning Wed, Feb 18, priced at $653 found 4 days ago
Icelandair
Mon, Nov 24 - Wed, Dec 10
ORD
Chicago
TRS
Trieste
$737 Roundtrip, found 5 days ago
$737
Roundtrip
found 5 days ago
Select Icelandair flight, departing Mon, Nov 24 from Chicago to Trieste, returning Wed, Dec 10, priced at $737 found 5 days ago
ITA Airways
Wed, Nov 12 - Wed, Dec 3
ORD
Chicago
TRS
Trieste
$801 Roundtrip, found 5 days ago
$801
Roundtrip
found 5 days ago
Select ITA Airways flight, departing Wed, Nov 12 from Chicago to Trieste, returning Wed, Dec 3, priced at $801 found 5 days ago
Lufthansa
Wed, Nov 5 - Wed, Nov 12
ORD
Chicago
TRS
Trieste
$838 Roundtrip, found 7 hours ago
$838
Roundtrip
found 7 hours ago
Select Lufthansa flight, departing Wed, Nov 5 from Chicago to Trieste, returning Wed, Nov 12, priced at $838 found 7 hours ago
Turkish Airlines
Mon, Oct 20 - Thu, Nov 6
ORD
Chicago
TRS
Trieste
$930 Roundtrip, found 5 days ago
$930
Roundtrip
found 5 days ago
Select Turkish Airlines flight, departing Mon, Oct 20 from Chicago to Trieste, returning Thu, Nov 6, priced at $930 found 5 days ago

Alternative airports near Trieste

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Friuli Venezia Giulia TRS. Cheapest and Closest option available. Average driving time to city center is 33 minutes. Flights from $846
TRS
Friuli Venezia Giulia
CheapestClosest
Average driving time to city center33 min
Flights from $846

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Friuli Venezia Giulia Airport (TRS) cost?
Grab a cheap one-way flight from $467 or cheap return flight from $646 from O'Hare Intl. Airport (ORD) to Friuli Venezia Giulia Airport (TRS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from O'Hare Intl. Airport (ORD) to Friuli Venezia Giulia Airport (TRS)?
The cheapest month to fly from ORD to TRS is January, when demand is low. Off-peak months are usually when airlines offer better prices between these airports.
What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to Friuli Venezia Giulia Airport (TRS)?
To find the cheapest airline flying from ORD to TRS, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from O'Hare Intl. Airport (ORD) to Friuli Venezia Giulia Airport (TRS)?
There are no daily direct flights available from O'Hare Intl. Airport (ORD) to Friuli Venezia Giulia Airport (TRS). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from ORD to TRS?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Friuli Venezia Giulia Airport (TRS)?
Select a flight from O'Hare Intl. Airport (ORD) to Friuli Venezia Giulia Airport (TRS) that leaves before 3 PM to reduce the risk of cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Friuli Venezia Giulia Airport (TRS) last-minute?
Holding off until right before your break to book a ticket from ORD to TRS generally means paying more. Although you may find some last-minute deals, there's no guarantee. Keep your travel schedule open to maximize your chances of landing a bargain.
Is it cheaper to book an ORD to TRS flight and hotel package?
Booking an ORD to TRS flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our impressive range of stays and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Friuli Venezia Giulia Airport (TRS)?
Typically, it's possible to cancel or reschedule your ORD to TRS flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
O'Hare Intl.
Destination airport
Friuli Venezia Giulia
Airlines serving
Austrian Airlines, Brussels Airlines, ITA Airways, KLM, Lufthansa, Swiss International Air Lines, TAP Portugal, Turkish Airlines
Roundtrip price
$645
Distance
4686 mi

Book with confidence

Book with confidence

Chicago to Trieste Flights

The cheapest times to fly from Chicago to Trieste

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Trieste are during the month of January. You can find some of the cheapest flights from Chicago to Trieste with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Trieste

Sunday is one of the best days to book for cheap flights from Chicago to Trieste: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chicago to Trieste

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Trieste in 2025. You can also book with separate airlines for your outbound and return journeys, from $467 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Trieste flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Trieste airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Chicago to Trieste Flights

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*Available to One Key members.