What airlines fly to Trieste?

Turkish Airlines, United Airlines and Lufthansa 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 42% 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.

$675 Cheap Flights from Chicago to Trieste in 2025

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Find the cheapest flights from Chicago to Trieste

Round-trip

One-way

Cheap round-trip flights

8:20 pm - 10:55 pmORD-TRS

19h 35m2 stops

3:15 pm - 10:05 amTRS-ORD

25h 50m2 stops

$779

Find Deal

Sat, Nov 15 - Sat, Nov 22

3:00 pm - 6:30 pmORD-TRS

20h 30m1 stop

6:35 am - 1:10 pmTRS-ORD

13h 35m1 stop

$794ITA Airways

Find Deal

Sun, Aug 17 - Fri, Aug 22

3:00 pm - 10:25 amORD-TRS

12h 25m1 stop

2:00 pm - 9:22 amTRS-ORD

50h 22m2 stops

$806

Find Deal

Sun, Aug 17 - Fri, Aug 22

3:00 pm - 10:25 amORD-TRS

12h 25m1 stop

7:15 pm - 1:10 pmTRS-ORD

24h 55m1 stop

$896ITA Airways

Find Deal

Sun, Aug 17 - Thu, Aug 28

4:20 pm - 2:05 pmORD-TRS

14h 45m1 stop

2:45 pm - 8:05 pmTRS-ORD

12h 20m1 stop

$902Lufthansa

Find Deal

Wed, Dec 3 - Sun, Dec 7

6:00 pm - 10:55 pmORD-TRS

45h 55m2 stops

6:35 am - 12:50 pmTRS-ORD

37h 15m2 stops

$906TAP AIR PORTUGAL

Find Deal

Sun, Aug 17 - Wed, Aug 27

6:15 pm - 10:55 pmORD-TRS

21h 40m2 stops

3:15 pm - 4:10 pmTRS-ORD

31h 55m2 stops

$926TAP AIR PORTUGAL

Find Deal

Sat, Aug 23 - Thu, Aug 28

9:50 pm - 10:45 pmORD-TRS

17h 55m2 stops

2:45 pm - 8:05 pmTRS-ORD

12h 20m1 stop

$930Lufthansa

Find Deal

Wed, Dec 3 - Sun, Dec 7

11:50 am - 6:30 pmORD-TRS

23h 40m2 stops

11:15 am - 10:05 amTRS-ORD

53h 50m2 stops

$945Turkish Airlines

Find Deal

Wed, Dec 3 - Sun, Dec 7

11:25 am - 6:30 pmORD-TRS

48h 05m2 stops

11:15 am - 9:40 amTRS-ORD

29h 25m2 stops

$946Turkish Airlines

Find Deal

Mon, Aug 18 - Fri, Aug 29

ITA Airways flights from Chicago to Trieste

Our best ITA Airways deals on Chicago to Trieste flight tickets

ITA Airways

Aug 17

ORD3:00 pmChicago O'Hare Intl

20h 30m

1 stop

TRS6:30 pmTrieste Ronchi dei Legionari

Aug 22

TRS6:35 amTrieste Ronchi dei Legionari

13h 35m

1 stop

ORD1:10 pmChicago O'Hare Intl

$794

Find similar

ITA Airways

Aug 17

ORD3:00 pmChicago O'Hare Intl

12h 25m

1 stop

TRS10:25 amTrieste Ronchi dei Legionari

Aug 28

TRS7:15 pmTrieste Ronchi dei Legionari

24h 55m

1 stop

ORD1:10 pmChicago O'Hare Intl

$896

Find similar

ITA Airways

Aug 19

ORD7:00 amChicago O'Hare Intl

20h 25m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

Aug 27

TRS6:35 amTrieste Ronchi dei Legionari

13h 35m

1 stop

ORD1:10 pmChicago O'Hare Intl

$901

Find similar

Lufthansa flights from Chicago to Trieste

Our best Lufthansa deals on Chicago to Trieste flight tickets

Lufthansa

Dec 3

ORD4:20 pmChicago O'Hare Intl

14h 45m

1 stop

TRS2:05 pmTrieste Ronchi dei Legionari

Dec 7

TRS2:45 pmTrieste Ronchi dei Legionari

12h 20m

1 stop

ORD8:05 pmChicago O'Hare Intl

$902

Find similar

Lufthansa

Dec 3

ORD9:50 pmChicago O'Hare Intl

17h 55m

2 stops

TRS10:45 pmTrieste Ronchi dei Legionari

Dec 7

TRS2:45 pmTrieste Ronchi dei Legionari

12h 20m

1 stop

ORD8:05 pmChicago O'Hare Intl

$930

Find similar

Lufthansa

Dec 3

ORD4:20 pmChicago O'Hare Intl

14h 45m

1 stop

TRS2:05 pmTrieste Ronchi dei Legionari

Dec 7

TRS2:45 pmTrieste Ronchi dei Legionari

34h 50m

2 stops

ORD6:35 pmChicago O'Hare Intl

$931

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Sat 11/15

8:20 pm-10:55 pm

2 stops19h 35m

Trieste Ronchi dei Legionari

Sat 11/22

3:15 pm-10:05 am

2 stops25h 50m

$779

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Sun 8/17

3:00 pm-6:30 pm

1 stop20h 30m

Trieste Ronchi dei Legionari

Fri 8/22

6:35 am-1:10 pm

1 stop13h 35m

$794

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Sun 8/17

3:00 pm-10:25 am

1 stop12h 25m

Trieste Ronchi dei Legionari

Fri 8/22

2:00 pm-9:22 am

2 stops50h 22m

$806

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Sun 8/17

3:00 pm-10:25 am

1 stop12h 25m

Trieste Ronchi dei Legionari

Thu 8/28

7:15 pm-1:10 pm

1 stop24h 55m

$896

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Wed 12/3

4:20 pm-2:05 pm

1 stop14h 45m

Trieste Ronchi dei Legionari

Sun 12/7

2:45 pm-8:05 pm

1 stop12h 20m

$902

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Sun 8/17

6:00 pm-10:55 pm

2 stops45h 55m

Trieste Ronchi dei Legionari

Wed 8/27

6:35 am-12:50 pm

2 stops37h 15m

$906

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Sat 8/23

6:15 pm-10:55 pm

2 stops21h 40m

Trieste Ronchi dei Legionari

Thu 8/28

3:15 pm-4:10 pm

2 stops31h 55m

$926

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Wed 12/3

9:50 pm-10:45 pm

2 stops17h 55m

Trieste Ronchi dei Legionari

Sun 12/7

2:45 pm-8:05 pm

1 stop12h 20m

$930

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Wed 12/3

11:50 am-6:30 pm

2 stops23h 40m

Trieste Ronchi dei Legionari

Sun 12/7

11:15 am-10:05 am

2 stops53h 50m

$945

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Mon 8/18

11:25 am-6:30 pm

2 stops48h 05m

Trieste Ronchi dei Legionari

Fri 8/29

11:15 am-9:40 am

2 stops29h 25m

$946

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

Best Price Found	$779
Fastest flight time	12h 25m
Direct flights	None
Airports in Trieste	1 airport

The best flight deal from Chicago to Trieste found on momondo in the last 72 hours is $779

The fastest flight from Chicago to Trieste takes 12h 25m

There are no direct flights from Chicago to Trieste. Popular non-direct routes for this connection are Chicago O'Hare Intl Airport - Trieste Ronchi dei Legionari Airport and Chicago Midway Airport - Trieste Ronchi dei Legionari Airport.

There is 1 airport near Trieste: Trieste Ronchi dei Legionari (TRS)

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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 12h 25m.
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

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

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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.