What airlines fly to Trieste?

Turkish Airlines, United Airlines and Scandinavian Airlines are the top three most popular airlines that fly to Trieste from Illinois according to our data. Turkish Airlines is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 9 different airlines that fly to Trieste on a routine basis, so you have a few additional options to choose from.

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

ITA Airways is the most popular carrier operating from Illinois to Trieste Ronchi dei Legionari

How long does it take to fly to Trieste?

Average flight duration from Illinois to Trieste depends on which airport you fly into and out of. Flying from Chicago to Venice Marco Polo Airport is 12h 45m on average, while flying from Moline to Venice Marco Polo Airport is 19h 20m on average. Venice Marco Polo Airport is the most popular airport in Trieste.

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

Prices for flights from Illinois to Trieste Ronchi dei Legionari Airport are updated daily.

How old do you have to be to fly from Illinois 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 Illinois 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.

$403 Cheap Flights from Illinois to Trieste in 2026

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Find the cheapest flights from Illinois to Trieste

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:05 pm - 10:55 pm

ORD

TRS

21h 50m

2 stops

7:15 pm - 4:00 pm

TRS

ORD

27h 45m

2 stops

$1,007Multiple Airlines

Sat, Sep 5 - Tue, Sep 15

3:00 pm - 10:25 am

ORD

TRS

12h 25m

1 stop

6:35 am - 1:10 pm

TRS

ORD

13h 35m

1 stop

$1,016ITA Airways

Wed, Sep 2 - Thu, Sep 17

10:30 pm - 10:15 pm

ORD

TRS

16h 45m

1 stop

2:40 pm - 7:55 pm

TRS

ORD

12h 15m

1 stop

$1,017Lufthansa

Tue, Sep 1 - Thu, Sep 17

4:05 pm - 1:45 pm

ORD

TRS

14h 40m

1 stop

6:10 am - 8:15 pm

TRS

ORD

21h 05m

2 stops

$1,027Lufthansa

Tue, Sep 1 - Wed, Sep 16

10:30 pm - 10:25 pm

ORD

TRS

16h 55m

1 stop

2:50 pm - 12:55 pm

TRS

ORD

29h 05m

1 stop

$1,037Lufthansa

Mon, Sep 7 - Mon, Sep 14

10:56 am - 9:55 pm

ORD

TRS

27h 59m

2 stops

6:20 am - 7:22 pm

TRS

ORD

20h 02m

2 stops

$1,042Multiple Airlines

Fri, Sep 4 - Tue, Sep 15

3:35 pm - 1:55 pm

ORD

TRS

15h 20m

2 stops

6:10 am - 8:15 pm

TRS

ORD

21h 05m

2 stops

$1,047Lufthansa

Mon, Sep 7 - Wed, Sep 16

12:52 pm - 2:30 pm

MDW

TRS

18h 38m

2 stops

6:35 am - 5:58 pm

TRS

MDW

18h 23m

2 stops

$2,313KLM

Mon, Apr 27 - Thu, Apr 30

12:41 pm - 2:30 pm

MDW

TRS

18h 49m

2 stops

6:35 am - 10:15 pm

TRS

MDW

22h 40m

2 stops

$2,541KLM

Mon, Jul 20 - Sat, Jul 25

12:23 pm - 10:25 am

STL

TRS

15h 02m

2 stops

6:35 am - 8:25 pm

TRS

STL

20h 50m

2 stops

$3,275United Airlines

Thu, May 28 - Thu, Jun 4

ITA Airways flights from Illinois to Trieste

Our best ITA Airways deals on Illinois to Trieste flight tickets

ITA Airways

Sep 2

ORD3:00 pmChicago O'Hare Intl

12h 25m

1 stop

TRS10:25 amTrieste Ronchi dei Legionari

Sep 17

TRS6:35 amTrieste Ronchi dei Legionari

13h 35m

1 stop

ORD1:10 pmChicago O'Hare Intl

$1,016

ITA Airways

Sep 3

ORD3:00 pmChicago O'Hare Intl

16h 30m

1 stop

TRS2:30 pmTrieste Ronchi dei Legionari

Sep 17

TRS6:35 amTrieste Ronchi dei Legionari

13h 35m

1 stop

ORD1:10 pmChicago O'Hare Intl

$1,066

ITA Airways

Sep 3

ORD3:00 pmChicago O'Hare Intl

12h 25m

1 stop

TRS10:25 amTrieste Ronchi dei Legionari

Sep 13

TRS6:35 amTrieste Ronchi dei Legionari

13h 35m

1 stop

ORD1:10 pmChicago O'Hare Intl

$1,116

Emirates flights from Illinois to Trieste

Our best Emirates deals on Illinois to Trieste flight tickets

Emirates

Oct 7

ORD8:35 pmChicago O'Hare Intl

38h 55m

2 stops

TRS6:30 pmTrieste Ronchi dei Legionari

Oct 14

TRS7:15 pmTrieste Ronchi dei Legionari

27h 30m

2 stops

ORD3:45 pmChicago O'Hare Intl

$1,673

Emirates

Jun 1

ORD8:35 pmChicago O'Hare Intl

62h 55m

2 stops

TRS6:30 pmTrieste Ronchi dei Legionari

Jun 8

TRS7:15 pmTrieste Ronchi dei Legionari

51h 30m

2 stops

ORD3:45 pmChicago O'Hare Intl

$1,776

Emirates

Apr 27

ORD8:35 pmChicago O'Hare Intl

38h 55m

2 stops

TRS6:30 pmTrieste Ronchi dei Legionari

Apr 30

TRS7:15 pmTrieste Ronchi dei Legionari

27h 30m

2 stops

ORD3:45 pmChicago O'Hare Intl

$2,448

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Sat 9/5

6:05 pm-10:55 pm

2 stops21h 50m

Trieste Ronchi dei Legionari

Tue 9/15

7:15 pm-4:00 pm

2 stops27h 45m

$1,007

Quickest round-trip

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Wed 9/2

3:00 pm-10:25 am

1 stop12h 25m

Trieste Ronchi dei Legionari

Thu 9/17

6:35 am-1:10 pm

1 stop13h 35m

$1,016

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Tue 9/1

10:30 pm-10:15 pm

1 stop16h 45m

Trieste Ronchi dei Legionari

Thu 9/17

2:40 pm-7:55 pm

1 stop12h 15m

$1,017

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Tue 9/1

4:05 pm-1:45 pm

1 stop14h 40m

Trieste Ronchi dei Legionari

Wed 9/16

6:10 am-8:15 pm

2 stops21h 05m

$1,027

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Mon 9/7

10:30 pm-10:25 pm

1 stop16h 55m

Trieste Ronchi dei Legionari

Mon 9/14

2:50 pm-12:55 pm

1 stop29h 05m

$1,037

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Fri 9/4

10:56 am-9:55 pm

2 stops27h 59m

Trieste Ronchi dei Legionari

Tue 9/15

6:20 am-7:22 pm

2 stops20h 02m

$1,042

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Mon 9/7

3:35 pm-1:55 pm

2 stops15h 20m

Trieste Ronchi dei Legionari

Wed 9/16

6:10 am-8:15 pm

2 stops21h 05m

$1,047

ChicagoTrieste

MDW - TRS

MDWTRS

Chicago Midway

Mon 4/27

12:52 pm-2:30 pm

2 stops18h 38m

Trieste Ronchi dei Legionari

Thu 4/30

6:35 am-5:58 pm

2 stops18h 23m

$2,313

ChicagoTrieste

MDW - TRS

MDWTRS

Chicago Midway

Mon 7/20

12:41 pm-2:30 pm

2 stops18h 49m

Trieste Ronchi dei Legionari

Sat 7/25

6:35 am-10:15 pm

2 stops22h 40m

$2,541

St. LouisTrieste

STL - TRS

STLTRS

Lambert-St Louis

Thu 5/28

12:23 pm-10:25 am

2 stops15h 02m

Trieste Ronchi dei Legionari

Thu 6/4

6:35 am-8:25 pm

2 stops20h 50m

$3,275

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois 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

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Can stopping save me money on Illinois to Trieste flights?

You could potentially save up to 10% on your flight if you consider stops on a Illinois to Trieste flight.

Cheap Illinois to Trieste flight deals and tips

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

Fastest flight time	12h 25m
Direct flights	None

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

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

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Frequently asked questions about flying from Illinois to Trieste

When did momondo last update prices for flights from Illinois to Trieste Ronchi dei Legionari Airport?
Prices for flights from Illinois to Trieste Ronchi dei Legionari Airport are updated daily.
How old do you have to be to fly from Illinois 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 Illinois 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.

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Grado

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Trieste for you.

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

Yes. momondo allows you to filter the results for Illinois to Trieste flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Illinois to Trieste.

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

If you are not ready to book a flight from Illinois to Trieste now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Trieste and let you know when they change.

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Cheap flights from Illinois to Trieste from $403

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Trieste departing on 9/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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List of cabin classes available on flights landing in Trieste. Availability may vary depending on flight origin and airline.

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