What airlines fly to Trieste?

Turkish Airlines, Lufthansa and Scandinavian Airlines are the top three most popular airlines that fly to Trieste from Chicago according to our data. Turkish Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 12 different airlines that fly to Trieste on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Chicago to Trieste Ronchi dei Legionari Airport?

Prices for flights from Chicago to Trieste Ronchi dei Legionari Airport are refreshed on a daily basis.

How old do you have to be to fly from Chicago to Trieste Ronchi dei Legionari Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Trieste Ronchi dei Legionari Airport.

What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?

The required travel and health documents for your Trieste Ronchi dei Legionari Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Trieste Ronchi dei Legionari Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$675 Cheap Flights from Chicago to Trieste in 2025/26

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Cheap round-trip flights

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12:48 pm - 6:30 pmMDW-TRS

22h 42m2 stops

3:15 pm - 10:26 pmTRS-MDW

38h 11m2 stops

$962KLM

Find Deal

Thu, Jan 22 - Mon, Jan 26

6:00 am - 2:30 pmMDW-TRS

25h 30m2 stops

3:15 pm - 10:26 pmTRS-MDW

38h 11m2 stops

$963KLM

Find Deal

Thu, Jan 22 - Mon, Jan 26

3:00 pm - 10:55 pmORD-TRS

24h 55m1 stop

6:35 am - 1:10 pmTRS-ORD

13h 35m1 stop

$1,226ITA Airways

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Sun, Apr 5 - Wed, Apr 8

9:20 am - 2:30 pmORD-TRS

22h 10m2 stops

6:35 am - 1:10 pmTRS-ORD

13h 35m1 stop

$1,230ITA Airways

Find Deal

Sun, Apr 5 - Wed, Apr 8

3:45 pm - 2:30 pmORD-TRS

15h 45m1 stop

2:50 pm - 1:10 pmTRS-ORD

29h 20m1 stop

$1,844Lufthansa

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Sun, Dec 14 - Thu, Jan 8

3:45 pm - 6:30 pmORD-TRS

19h 45m1 stop

11:15 am - 1:10 pmTRS-ORD

32h 55m2 stops

$1,859Multiple Airlines

Find Deal

Sun, Dec 14 - Thu, Jan 8

3:45 pm - 2:30 pmORD-TRS

15h 45m1 stop

11:15 am - 6:25 pmTRS-ORD

38h 10m2 stops

$1,912Lufthansa

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Sun, Dec 14 - Thu, Jan 8

3:45 pm - 2:30 pmORD-TRS

15h 45m1 stop

6:25 am - 1:10 pmTRS-ORD

13h 45m1 stop

$2,402Multiple Airlines

Find Deal

Sat, Dec 13 - Sat, Jan 10

11:50 am - 6:30 pmORD-TRS

23h 40m2 stops

11:15 am - 10:05 amTRS-ORD

29h 50m2 stops

$3,194Turkish Airlines

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Sat, Dec 20 - Sat, Jan 3

11:50 am - 2:30 pmORD-TRS

19h 40m2 stops

3:15 pm - 10:05 amTRS-ORD

25h 50m2 stops

$3,533Turkish Airlines

Find Deal

Fri, Dec 19 - Sat, Jan 3

KLM flights from Chicago to Trieste

Our best KLM deals on Chicago to Trieste flight tickets

KLM

Jan 22

MDW12:48 pmChicago Midway

22h 42m

2 stops

TRS6:30 pmTrieste Ronchi dei Legionari

Jan 26

TRS3:15 pmTrieste Ronchi dei Legionari

38h 11m

2 stops

MDW10:26 pmChicago Midway

$962

Find similar

KLM

Jan 22

MDW6:00 amChicago Midway

25h 30m

2 stops

TRS2:30 pmTrieste Ronchi dei Legionari

Jan 26

TRS3:15 pmTrieste Ronchi dei Legionari

38h 11m

2 stops

MDW10:26 pmChicago Midway

$963

Find similar

Turkish Airlines flights from Chicago to Trieste

Our best Turkish Airlines deals on Chicago to Trieste flight tickets

Turkish Airlines

Dec 20

ORD11:50 amChicago O'Hare Intl

23h 40m

2 stops

TRS6:30 pmTrieste Ronchi dei Legionari

Jan 3

TRS11:15 amTrieste Ronchi dei Legionari

29h 50m

2 stops

ORD10:05 amChicago O'Hare Intl

$3,194

Find similar

Turkish Airlines

Dec 19

ORD11:50 amChicago O'Hare Intl

19h 40m

2 stops

TRS2:30 pmTrieste Ronchi dei Legionari

Jan 3

TRS3:15 pmTrieste Ronchi dei Legionari

25h 50m

2 stops

ORD10:05 amChicago O'Hare Intl

$3,533

Find similar

Turkish Airlines

Dec 19

ORD11:50 amChicago O'Hare Intl

19h 40m

2 stops

TRS2:30 pmTrieste Ronchi dei Legionari

Jan 3

TRS3:15 pmTrieste Ronchi dei Legionari

25h 50m

2 stops

ORD10:05 amChicago O'Hare Intl

$3,964

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoTrieste

MDW - TRS

MDWTRS

Chicago Midway

Thu 1/22

12:48 pm-6:30 pm

2 stops22h 42m

Trieste Ronchi dei Legionari

Mon 1/26

3:15 pm-10:26 pm

2 stops38h 11m

$962

ChicagoTrieste

MDW - TRS

MDWTRS

Chicago Midway

Thu 1/22

6:00 am-2:30 pm

2 stops25h 30m

Trieste Ronchi dei Legionari

Mon 1/26

3:15 pm-10:26 pm

2 stops38h 11m

$963

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Sun 4/5

3:00 pm-10:55 pm

1 stop24h 55m

Trieste Ronchi dei Legionari

Wed 4/8

6:35 am-1:10 pm

1 stop13h 35m

$1,226

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Sun 4/5

9:20 am-2:30 pm

2 stops22h 10m

Trieste Ronchi dei Legionari

Wed 4/8

6:35 am-1:10 pm

1 stop13h 35m

$1,230

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Sun 12/14

3:45 pm-2:30 pm

1 stop15h 45m

Trieste Ronchi dei Legionari

Thu 1/8

2:50 pm-1:10 pm

1 stop29h 20m

$1,844

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Sun 12/14

3:45 pm-6:30 pm

1 stop19h 45m

Trieste Ronchi dei Legionari

Thu 1/8

11:15 am-1:10 pm

2 stops32h 55m

$1,859

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Sun 12/14

3:45 pm-2:30 pm

1 stop15h 45m

Trieste Ronchi dei Legionari

Thu 1/8

11:15 am-6:25 pm

2 stops38h 10m

$1,912

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Sat 12/13

3:45 pm-2:30 pm

1 stop15h 45m

Trieste Ronchi dei Legionari

Sat 1/10

6:25 am-1:10 pm

1 stop13h 45m

$2,402

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Sat 12/20

11:50 am-6:30 pm

2 stops23h 40m

Trieste Ronchi dei Legionari

Sat 1/3

11:15 am-10:05 am

2 stops29h 50m

$3,194

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Fri 12/19

11:50 am-2:30 pm

2 stops19h 40m

Trieste Ronchi dei Legionari

Sat 1/3

3:15 pm-10:05 am

2 stops25h 50m

$3,533

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Chicago to Trieste

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Trieste?

The cheapest day to depart on your flight to Trieste is on a Thursday when prices can be found for as low as $915. This is often the case because there is less demand to fly during this day of the week. Flights from Chicago to Trieste on a Saturday will generally be more expensive and average around $1,563. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Can stopping save me money on Chicago to Trieste flights?

You could potentially save up to 62% on your flight if you consider stops on a Chicago to Trieste flight.

When to book flights from Chicago to Trieste

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Trieste according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago to Trieste (CHI to TRS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Trieste

Direct flights	None

There are no direct flights from Chicago to Trieste. There are no popular flight routes from Chicago to Trieste.

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How far is Chicago to Trieste Ronchi dei Legionari by plane?
The distance between Chicago and Trieste Ronchi dei Legionari is about 4695.7 mi. By plane, this route typically takes 13h 35m.
When did momondo last update prices for flights from Chicago to Trieste Ronchi dei Legionari Airport?
Prices for flights from Chicago to Trieste Ronchi dei Legionari Airport are refreshed on a daily basis.
How old do you have to be to fly from Chicago to Trieste Ronchi dei Legionari Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Trieste Ronchi dei Legionari Airport.
What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?
The required travel and health documents for your Trieste Ronchi dei Legionari Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Trieste Ronchi dei Legionari Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Chicago to Trieste?
Based on momondo bookings for flights between Chicago and Trieste, the leading airline is ITA Airways, making up 100% of the total bookings.

Udine

Grado

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Trieste?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Trieste. momondo saves you time and could save you money on your trip.

Can I find flights from Chicago to Trieste with flexible booking policies on momondo?

momondo does allow users to show only those flights to Trieste from Chicago which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Chicago to Trieste?

Once all potential Chicago to Trieste flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Chicago to Trieste right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Trieste, momondo offers a useful price alert feature which will track prices for flights to Trieste from Chicago and alert you when they change.

An easier way to manage your Trieste trip

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Cheap flights from Chicago to Trieste from $962

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Trieste departing on 1/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Chicago to Trieste

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KLM flights from Chicago to Trieste

Our best KLM deals on Chicago to Trieste flight tickets

Turkish Airlines flights from Chicago to Trieste

Our best Turkish Airlines deals on Chicago to Trieste flight tickets

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How to get the cheapest flight ticket from Chicago to Trieste

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Trieste?

Can stopping save me money on Chicago to Trieste flights?

You could potentially save up to 62% on your flight if you consider stops on a Chicago to Trieste flight.

What airlines fly to Trieste?

When to book flights from Chicago to Trieste

Cheap Chicago to Trieste (CHI to TRS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Trieste

Direct flights

How far is Chicago to Trieste Ronchi dei Legionari by plane?

When did momondo last update prices for flights from Chicago to Trieste Ronchi dei Legionari Airport?

How old do you have to be to fly from Chicago to Trieste Ronchi dei Legionari Airport?

What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?

What is the most popular airline from Chicago to Trieste?

Traveling to a place near Trieste?

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Trieste?

Can I find flights from Chicago to Trieste with flexible booking policies on momondo?

How can momondo help me find flights from Chicago to Trieste?

I’m not ready to book a flight from Chicago to Trieste right now. Can momondo alert me if prices change?

An easier way to manage your Trieste trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Italy

Fly your favorite airline to Trieste

Airlines are sorted and displayed according to clicks in the past 7 days on momondo