£421 Cheap Flights from Chicago (ORD) to Trieste (TRS)

View £421 flight on Thu, 19 Mar 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £421 for one-way flights and £633 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, 19 Mar - Wed, 1 Apr
ORD
Chicago
TRS
Trieste
£633 Return, found 4 days ago
£633
Return
found 4 days ago
Select Air Canada flight, departing Thu, 19 Mar from Chicago to Trieste, returning Wed, 1 Apr, priced at £633 found 4 days ago
Air Canada
Thu, 19 Mar - Wed, 1 Apr
ORD
Chicago
TRS
Trieste
£637 Return, found 4 days ago
£637
Return
found 4 days ago
Select Air Canada flight, departing Thu, 19 Mar from Chicago to Trieste, returning Wed, 1 Apr, priced at £637 found 4 days ago
ITA Airways
Thu, 19 Mar - Wed, 1 Apr
ORD
Chicago
TRS
Trieste
£660 Return, found 4 days ago
£660
Return
found 4 days ago
Select ITA Airways flight, departing Thu, 19 Mar from Chicago to Trieste, returning Wed, 1 Apr, priced at £660 found 4 days ago
Air Canada
Thu, 19 Mar - Wed, 1 Apr
ORD
Chicago
TRS
Trieste
£681 Return, found 4 days ago
£681
Return
found 4 days ago
Select Air Canada flight, departing Thu, 19 Mar from Chicago to Trieste, returning Wed, 1 Apr, priced at £681 found 4 days ago
Air Canada
Thu, 19 Mar - Wed, 1 Apr
ORD
Chicago
TRS
Trieste
£685 Return, found 4 days ago
£685
Return
found 4 days ago
Select Air Canada flight, departing Thu, 19 Mar from Chicago to Trieste, returning Wed, 1 Apr, priced at £685 found 4 days ago
ITA Airways
Thu, 19 Mar - Wed, 1 Apr
ORD
Chicago
TRS
Trieste
£697 Return, found 4 days ago
£697
Return
found 4 days ago
Select ITA Airways flight, departing Thu, 19 Mar from Chicago to Trieste, returning Wed, 1 Apr, priced at £697 found 4 days ago
Air Canada
Thu, 19 Mar - Wed, 1 Apr
ORD
Chicago
TRS
Trieste
£737 Return, found 4 days ago
£737
Return
found 4 days ago
Select Air Canada flight, departing Thu, 19 Mar from Chicago to Trieste, returning Wed, 1 Apr, priced at £737 found 4 days ago
Air Canada
Thu, 19 Mar - Wed, 1 Apr
ORD
Chicago
TRS
Trieste
£740 Return, found 4 days ago
£740
Return
found 4 days ago
Select Air Canada flight, departing Thu, 19 Mar from Chicago to Trieste, returning Wed, 1 Apr, priced at £740 found 4 days ago
Lufthansa
Thu, 19 Mar - Wed, 1 Apr
ORD
Chicago
TRS
Trieste
£846 Return, found 4 days ago
£846
Return
found 4 days ago
Select Lufthansa flight, departing Thu, 19 Mar from Chicago to Trieste, returning Wed, 1 Apr, priced at £846 found 4 days ago
Swiss International Air Lines
Thu, 19 Mar - Wed, 1 Apr
ORD
Chicago
TRS
Trieste
£1,261 Return, found 4 days ago
£1,261
Return
found 4 days ago
Select Swiss International Air Lines flight, departing Thu, 19 Mar from Chicago to Trieste, returning Wed, 1 Apr, priced at £1,261 found 4 days ago

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Frequently asked questions

How much is a flight from ORD to TRS?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip flight between O'Hare Intl. Airport (ORD) and Trieste Airport was £633. Fares this good don't hang around, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from O'Hare Airport to Trieste Airport?
The majority of flights can be cancelled online, but every airline has a different set of terms and conditions. If you do need to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from ORD to TRS that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for ORD to Friuli Venezia Giulia Airport (TRS) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from O'Hare Airport to Trieste Airport?
Chicago to Ronchi dei Legionari is around 7,600 kilometres, so get ready to spend a while in the air. Don't forget to pack all the essentials, from your hoodie to your headphones. Throw in some snacks to nibble on throughout your flight too.
Which airlines fly direct from O'Hare Intl. Airport (ORD) to Trieste Airport?
At the moment, no airlines offer direct flights from O'Hare Airport to Friuli Venezia Giulia Airport (TRS). You'll have to book a flight with at least one stop. To score the best price and connections, lock in your fare well ahead of time.
Are O'Hare Intl. Airport (ORD) to Friuli Venezia Giulia Airport (TRS) flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes nab a bargain, with some super cheap airfares from O'Hare Intl. Airport (ORD) to TRS popping up a few weeks before the date of departure. If you'd rather book ahead of time, Expedia compares and updates all the best flight deals frequently — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines publish prices that far in advance.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Friuli Venezia Giulia
Return price
£633
Distance
7498 km

Book with confidence

Compare flights from Chicago to Trieste easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Chicago to Trieste. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Friuli Venezia Giulia in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from O'Hare Intl. to Friuli Venezia Giulia.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from O'Hare Intl. (ORD) to Friuli Venezia Giulia (TRS)

The easiest way to view the best deals on flights from Chicago to Trieste today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from O'Hare Intl. to Friuli Venezia Giulia start at just £633 and range up to £1,261.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Chicago and Trieste
  • booking your flight during March, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Chicago to Trieste flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from O'Hare Intl. to Friuli Venezia Giulia for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Chicago to Trieste easily and book with confidence

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