What is the cheapest airline that flies from Chicago to Trieste Ronchi dei Legionari?

ITA Airways and Turkish Airlines are the most popular carriers operating from Chicago to Trieste Ronchi dei Legionari

What airlines fly to Trieste?

Turkish Airlines, Lufthansa and United 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 41% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 14 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.

$517 Cheap Flights from Chicago to Trieste in 2025/26

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Find the cheapest flights from Chicago to Trieste

Round-trip

One-way

Cheap round-trip flights

10:40 am - 7:45 pmORD-TRS

26h 05m3 stops

12:45 pm - 3:55 pmTRS-ORD

34h 10m2 stops

$573Multiple Airlines

Find Deal

Tue, Oct 14 - Tue, Oct 21

7:15 am - 2:45 pmORD-TRS

25h 30m2 stops

6:15 pm - 4:20 pmTRS-ORD

29h 05m2 stops

$585Multiple Airlines

Find Deal

Mon, Oct 27 - Mon, Nov 3

10:40 am - 7:45 pmORD-TRS

26h 05m3 stops

7:15 pm - 3:55 pmTRS-ORD

27h 40m3 stops

$628Multiple Airlines

Find Deal

Tue, Oct 14 - Tue, Oct 21

11:50 am - 6:30 pmORD-TRS

47h 40m2 stops

11:15 am - 6:25 pmTRS-ORD

38h 10m2 stops

$890Turkish Airlines

Find Deal

Wed, Jan 14 - Sun, Jan 18

4:00 pm - 2:05 pmORD-TRS

15h 05m1 stop

2:45 pm - 7:55 pmTRS-ORD

12h 10m1 stop

$908Lufthansa

Find Deal

Tue, Oct 14 - Tue, Oct 21

7:30 pm - 10:30 pmORD-TRS

21h 00m1 stop

2:40 pm - 11:10 amTRS-ORD

27h 30m1 stop

$921Lufthansa

Find Deal

Thu, Oct 30 - Mon, Nov 3

3:00 pm - 2:30 pmORD-TRS

16h 30m1 stop

6:35 am - 5:07 pmTRS-ORD

17h 32m2 stops

$956ITA Airways

Find Deal

Sat, Sep 27 - Thu, Oct 2

11:50 am - 10:55 pmORD-TRS

52h 05m2 stops

11:15 am - 6:25 pmTRS-ORD

62h 10m2 stops

$979Turkish Airlines

Find Deal

Wed, Jan 14 - Sun, Jan 18

1:14 pm - 6:30 pmMDW-TRS

22h 16m2 stops

6:35 am - 4:38 pmTRS-MDW

41h 03m2 stops

$1,100KLM

Find Deal

Thu, Nov 13 - Mon, Nov 17

1:14 pm - 6:30 pmMDW-TRS

22h 16m2 stops

3:15 pm - 6:08 pmTRS-MDW

33h 53m2 stops

$1,136KLM

Find Deal

Thu, Nov 13 - Mon, Nov 17

Lufthansa flights from Chicago to Trieste

Our best Lufthansa deals on Chicago to Trieste flight tickets

Lufthansa

Oct 14

ORD4:00 pmChicago O'Hare Intl

15h 05m

1 stop

TRS2:05 pmTrieste Ronchi dei Legionari

Oct 21

TRS2:45 pmTrieste Ronchi dei Legionari

12h 10m

1 stop

ORD7:55 pmChicago O'Hare Intl

$908

Find similar

Lufthansa

Oct 30

ORD7:30 pmChicago O'Hare Intl

21h 00m

1 stop

TRS10:30 pmTrieste Ronchi dei Legionari

Nov 3

TRS2:40 pmTrieste Ronchi dei Legionari

27h 30m

1 stop

ORD11:10 amChicago O'Hare Intl

$921

Find similar

Lufthansa

Jan 14

ORD4:20 pmChicago O'Hare Intl

14h 45m

1 stop

TRS2:05 pmTrieste Ronchi dei Legionari

Jan 18

TRS3:00 pmTrieste Ronchi dei Legionari

29h 10m

1 stop

ORD1:10 pmChicago O'Hare Intl

$924

Find similar

Emirates flights from Chicago to Trieste

Our best Emirates deals on Chicago to Trieste flight tickets

Emirates

Sep 28

ORD8:35 pmChicago O'Hare Intl

43h 20m

2 stops

TRS10:55 pmTrieste Ronchi dei Legionari

Oct 1

TRS7:15 pmTrieste Ronchi dei Legionari

51h 30m

2 stops

ORD3:45 pmChicago O'Hare Intl

$2,078

Find similar

Emirates

Sep 29

ORD8:35 pmChicago O'Hare Intl

38h 55m

2 stops

TRS6:30 pmTrieste Ronchi dei Legionari

Oct 2

TRS7:15 pmTrieste Ronchi dei Legionari

51h 30m

2 stops

ORD3:45 pmChicago O'Hare Intl

$2,226

Find similar

Emirates

Sep 29

ORD8:35 pmChicago O'Hare Intl

38h 55m

2 stops

TRS6:30 pmTrieste Ronchi dei Legionari

Oct 2

TRS11:15 amTrieste Ronchi dei Legionari

59h 30m

2 stops

ORD3:45 pmChicago O'Hare Intl

$2,335

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Tue 10/14

10:40 am-7:45 pm

3 stops26h 05m

Trieste Ronchi dei Legionari

Tue 10/21

12:45 pm-3:55 pm

2 stops34h 10m

$573

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Mon 10/27

7:15 am-2:45 pm

2 stops25h 30m

Trieste Ronchi dei Legionari

Mon 11/3

6:15 pm-4:20 pm

2 stops29h 05m

$585

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Tue 10/14

10:40 am-7:45 pm

3 stops26h 05m

Trieste Ronchi dei Legionari

Tue 10/21

7:15 pm-3:55 pm

3 stops27h 40m

$628

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Wed 1/14

11:50 am-6:30 pm

2 stops47h 40m

Trieste Ronchi dei Legionari

Sun 1/18

11:15 am-6:25 pm

2 stops38h 10m

$890

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Tue 10/14

4:00 pm-2:05 pm

1 stop15h 05m

Trieste Ronchi dei Legionari

Tue 10/21

2:45 pm-7:55 pm

1 stop12h 10m

$908

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Thu 10/30

7:30 pm-10:30 pm

1 stop21h 00m

Trieste Ronchi dei Legionari

Mon 11/3

2:40 pm-11:10 am

1 stop27h 30m

$921

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Sat 9/27

3:00 pm-2:30 pm

1 stop16h 30m

Trieste Ronchi dei Legionari

Thu 10/2

6:35 am-5:07 pm

2 stops17h 32m

$956

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Wed 1/14

11:50 am-10:55 pm

2 stops52h 05m

Trieste Ronchi dei Legionari

Sun 1/18

11:15 am-6:25 pm

2 stops62h 10m

$979

ChicagoTrieste

MDW - TRS

MDWTRS

Chicago Midway

Thu 11/13

1:14 pm-6:30 pm

2 stops22h 16m

Trieste Ronchi dei Legionari

Mon 11/17

6:35 am-4:38 pm

2 stops41h 03m

$1,100

ChicagoTrieste

MDW - TRS

MDWTRS

Chicago Midway

Thu 11/13

1:14 pm-6:30 pm

2 stops22h 16m

Trieste Ronchi dei Legionari

Mon 11/17

3:15 pm-6:08 pm

2 stops33h 53m

$1,136

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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

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.

Search flight deals

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 11h 40m.
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.

Grado

Udine

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 $517

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Trieste departing on 9/29. 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

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Filter for what you want

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Lufthansa flights from Chicago to Trieste

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Our best Emirates 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 is the cheapest airline that flies from Chicago to Trieste Ronchi dei Legionari?

ITA Airways and Turkish Airlines are the most popular carriers operating from Chicago to Trieste Ronchi dei Legionari

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