£405 Cheap Flights from Chicago (ORD) to Trieste (TRS)

View £405 flight on Wed, 8 Oct 2025Opens 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 £405 for one-way flights and £500 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Fri, 12 Dec - Mon, 12 Jan
ORD
Chicago
TRS
Trieste
£500 Return, found 5 days ago
£500
Return
found 5 days ago
Select TAP Portugal flight, departing Fri, 12 Dec from Chicago to Trieste, returning Mon, 12 Jan, priced at £500 found 5 days ago
TAP Portugal
Fri, 12 Dec - Mon, 12 Jan
ORD
Chicago
TRS
Trieste
£553 Return, found 5 days ago
£553
Return
found 5 days ago
Select TAP Portugal flight, departing Fri, 12 Dec from Chicago to Trieste, returning Mon, 12 Jan, priced at £553 found 5 days ago
TAP Portugal
Fri, 12 Dec - Mon, 12 Jan
ORD
Chicago
TRS
Trieste
£658 Return, found 5 days ago
£658
Return
found 5 days ago
Select TAP Portugal flight, departing Fri, 12 Dec from Chicago to Trieste, returning Mon, 12 Jan, priced at £658 found 5 days ago
TAP Portugal
Fri, 12 Dec - Mon, 12 Jan
ORD
Chicago
TRS
Trieste
£692 Return, found 5 days ago
£692
Return
found 5 days ago
Select TAP Portugal flight, departing Fri, 12 Dec from Chicago to Trieste, returning Mon, 12 Jan, priced at £692 found 5 days ago
Icelandair
Fri, 12 Dec - Mon, 12 Jan
ORD
Chicago
TRS
Trieste
£713 Return, found 5 days ago
£713
Return
found 5 days ago
Select Icelandair flight, departing Fri, 12 Dec from Chicago to Trieste, returning Mon, 12 Jan, priced at £713 found 5 days ago
TAP Portugal
Fri, 12 Dec - Mon, 12 Jan
ORD
Chicago
TRS
Trieste
£749 Return, found 5 days ago
£749
Return
found 5 days ago
Select TAP Portugal flight, departing Fri, 12 Dec from Chicago to Trieste, returning Mon, 12 Jan, priced at £749 found 5 days ago
Air Canada
Fri, 12 Dec - Mon, 12 Jan
ORD
Chicago
TRS
Trieste
£822 Return, found 5 days ago
£822
Return
found 5 days ago
Select Air Canada flight, departing Fri, 12 Dec from Chicago to Trieste, returning Mon, 12 Jan, priced at £822 found 5 days ago
United
Fri, 12 Dec - Mon, 12 Jan
ORD
Chicago
TRS
Trieste
£828 Return, found 5 days ago
£828
Return
found 5 days ago
Select United flight, departing Fri, 12 Dec from Chicago to Trieste, returning Mon, 12 Jan, priced at £828 found 5 days ago
United
Fri, 12 Dec - Mon, 12 Jan
ORD
Chicago
TRS
Trieste
£830 Return, found 5 days ago
£830
Return
found 5 days ago
Select United flight, departing Fri, 12 Dec from Chicago to Trieste, returning Mon, 12 Jan, priced at £830 found 5 days ago
Lufthansa
Fri, 12 Dec - Mon, 12 Jan
ORD
Chicago
TRS
Trieste
£836 Return, found 5 days ago
£836
Return
found 5 days ago
Select Lufthansa flight, departing Fri, 12 Dec from Chicago to Trieste, returning Mon, 12 Jan, priced at £836 found 5 days ago
Flight from Chicago to Trieste route information
Origin airport
O'Hare Intl.
Destination airport
Friuli Venezia Giulia
Return price
£500
Distance
7498 km

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 £500 and range up to £836.  

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 December, 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.  

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 £500. 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.

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