$528 Cheap Flights from Trieste (TRS) to Chicago (ORD)

View $528 flight on Wed, Feb 4, 2026Opens in a new window

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

Cheap Flights from Trieste to Chicago (TRS-ORD)

Prices were available within the past 7 days and start at $528 for one-way flights and $592 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Sun, Nov 23 - Wed, Dec 3
TRS
Trieste
ORD
Chicago
$592 Roundtrip, found 3 days ago
$592
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Sun, Nov 23 from Trieste to Chicago, returning Wed, Dec 3, priced at $592 found 3 days ago
Lufthansa
Sun, Nov 23 - Wed, Dec 3
TRS
Trieste
ORD
Chicago
$610 Roundtrip, found 3 days ago
$610
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Sun, Nov 23 from Trieste to Chicago, returning Wed, Dec 3, priced at $610 found 3 days ago
Lufthansa
Sat, Mar 28 - Sat, Apr 4
TRS
Trieste
ORD
Chicago
$633 Roundtrip, found 6 days ago
$633
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Sat, Mar 28 from Trieste to Chicago, returning Sat, Apr 4, priced at $633 found 6 days ago
ITA Airways
Sat, Mar 28 - Sat, Apr 4
TRS
Trieste
ORD
Chicago
$637 Roundtrip, found 6 days ago
$637
Roundtrip
found 6 days ago
Select ITA Airways flight, departing Sat, Mar 28 from Trieste to Chicago, returning Sat, Apr 4, priced at $637 found 6 days ago
ITA Airways
Wed, Dec 3 - Fri, Dec 12
TRS
Trieste
ORD
Chicago
$645 Roundtrip, found 5 days ago
$645
Roundtrip
found 5 days ago
Select ITA Airways flight, departing Wed, Dec 3 from Trieste to Chicago, returning Fri, Dec 12, priced at $645 found 5 days ago
Lufthansa
Thu, Oct 30 - Sun, Nov 9
TRS
Trieste
ORD
Chicago
$667 Roundtrip, found 1 day ago
$667
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Thu, Oct 30 from Trieste to Chicago, returning Sun, Nov 9, priced at $667 found 1 day ago
Lufthansa
Wed, Oct 15 - Sun, Oct 19
TRS
Trieste
ORD
Chicago
$678 Roundtrip, found 2 days ago
$678
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Wed, Oct 15 from Trieste to Chicago, returning Sun, Oct 19, priced at $678 found 2 days ago
TAP Portugal
Wed, Dec 3 - Fri, Dec 12
TRS
Trieste
ORD
Chicago
$950 Roundtrip, found 5 days ago
$950
Roundtrip
found 5 days ago
Select TAP Portugal flight, departing Wed, Dec 3 from Trieste to Chicago, returning Fri, Dec 12, priced at $950 found 5 days ago
Swiss International Air Lines
Wed, Dec 3 - Fri, Dec 12
TRS
Trieste
ORD
Chicago
$986 Roundtrip, found 5 days ago
$986
Roundtrip
found 5 days ago
Select Swiss International Air Lines flight, departing Wed, Dec 3 from Trieste to Chicago, returning Fri, Dec 12, priced at $986 found 5 days ago
Brussels Airlines
Sun, Nov 23 - Wed, Dec 3
TRS
Trieste
ORD
Chicago
$1,152 Roundtrip, found 3 days ago
$1,152
Roundtrip
found 3 days ago
Select Brussels Airlines flight, departing Sun, Nov 23 from Trieste to Chicago, returning Wed, Dec 3, priced at $1,152 found 3 days ago

Frequently asked questions

How much does a flight from Friuli Venezia Giulia Airport (TRS) to O'Hare Intl. Airport (ORD) cost?
Snag a cheap one-way flight from $528 or cheap return flight from $592 from Friuli Venezia Giulia Airport (TRS) to O'Hare Intl. Airport (ORD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Friuli Venezia Giulia Airport (TRS) to O'Hare Intl. Airport (ORD)?
November is the least expensive month to fly from TRS to ORD. Planning your trip for the off-season is often the key to finding better fares.
What is the cheapest airline that flies from Friuli Venezia Giulia Airport (TRS) to O'Hare Intl. Airport (ORD)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest TRS to ORD flight.
How many flights per day from Friuli Venezia Giulia Airport (TRS) to O'Hare Intl. Airport (ORD)?
You'll have to book a flight with a layover when traveling from Friuli Venezia Giulia Airport (TRS) to O'Hare Intl. Airport (ORD). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from TRS to ORD?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on various factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Friuli Venezia Giulia Airport (TRS) to O'Hare Intl. Airport (ORD)?
To land at O'Hare Intl. Airport (ORD) on time, pick a flight that takes off from Friuli Venezia Giulia Airport (TRS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Friuli Venezia Giulia Airport (TRS) to O'Hare Intl. Airport (ORD) last-minute?
Booking your plane ticket from TRS to ORD shortly before your getaway is usually more expensive. However, if there's some wiggle room with your departure times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a TRS to ORD flight and hotel package?
Compared with arranging flights and hotels separately, booking a TRS to ORD flight and hotel package with Expedia could result in significant savings. What's more, having everything in one convenient place will take the stress out of travel planning. Just secure your flights and choose from our extensive range of stays, then tailor your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Friuli Venezia Giulia Airport (TRS) to O'Hare Intl. Airport (ORD)?
If you booked your TRS to ORD flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Travel information

Origin airport
Friuli Venezia Giulia
Destination airport
O'Hare Intl.
Roundtrip price
$592
Distance
4686 mi

Book with confidence

Book with confidence

Trieste to Chicago Flights

The cheapest times to fly from Trieste to Chicago

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 Trieste to Chicago are during the month of November. You can find some of the cheapest flights from Trieste to Chicago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Trieste to Chicago

Sunday is one of the best days to book for cheap flights from Trieste to Chicago: 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 Trieste to Chicago

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 Trieste to Chicago in 2025. You can also book with separate airlines for your outbound and return journeys, from $528 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 Trieste to Chicago 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 Trieste to Chicago 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.

 

Trieste to Chicago Flights

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*Available to One Key members.