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

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

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

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 Trieste Ronchi dei Legionari Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The required travel and health documents for your Illinois 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 Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$417 Cheap Flights from Trieste to Illinois in 2026

Find the cheapest flights from Trieste to Illinois

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:35 am - 1:10 pm

TRS

ORD

13h 35m

1 stop

8:42 am - 2:30 pm

ORD

TRS

22h 48m

2 stops

$774ITA Airways

Thu, Sep 10 - Mon, Sep 14

6:35 am - 1:10 pm

TRS

ORD

13h 35m

1 stop

8:42 am - 2:30 pm

ORD

TRS

22h 48m

2 stops

$775ITA Airways

Thu, Sep 10 - Mon, Sep 14

6:35 am - 1:10 pm

TRS

ORD

13h 35m

1 stop

8:42 am - 2:30 pm

ORD

TRS

22h 48m

2 stops

$786ITA Airways

Thu, Sep 10 - Mon, Sep 14

6:35 am - 1:10 pm

TRS

ORD

13h 35m

1 stop

8:42 am - 2:30 pm

ORD

TRS

22h 48m

2 stops

$788ITA Airways

Thu, Sep 10 - Mon, Sep 14

6:35 am - 1:10 pm

TRS

ORD

13h 35m

1 stop

8:42 am - 2:30 pm

ORD

TRS

22h 48m

2 stops

$789ITA Airways

Thu, Sep 10 - Mon, Sep 14

7:15 pm - 1:10 pm

TRS

ORD

24h 55m

1 stop

3:00 pm - 6:30 pm

ORD

TRS

20h 30m

1 stop

$871ITA Airways

Wed, Jul 29 - Sun, Aug 2

7:15 pm - 1:10 pm

TRS

ORD

24h 55m

1 stop

3:00 pm - 6:30 pm

ORD

TRS

20h 30m

1 stop

$893ITA Airways

Wed, Jul 29 - Sun, Aug 2

7:15 pm - 1:10 pm

TRS

ORD

24h 55m

1 stop

3:00 pm - 10:25 am

ORD

TRS

12h 25m

1 stop

$909ITA Airways

Mon, Aug 3 - Wed, Aug 12

7:15 pm - 7:00 pm

TRS

ORD

30h 45m

2 stops

3:00 pm - 10:25 am

ORD

TRS

12h 25m

1 stop

$945ITA Airways

Mon, Aug 3 - Wed, Aug 12

7:15 pm - 8:48 pm

TRS

ORD

32h 33m

2 stops

8:42 am - 10:55 pm

ORD

TRS

31h 13m

2 stops

$977ITA Airways

Thu, Sep 10 - Mon, Sep 14

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ITA Airways flights from Trieste to Illinois

Our best ITA Airways deals on Trieste to Illinois flight tickets

ITA Airways

Sep 10

TRS6:35 amTrieste Ronchi dei Legionari

13h 35m

1 stop

ORD1:10 pmChicago O'Hare Intl

Sep 14

ORD8:42 amChicago O'Hare Intl

22h 48m

2 stops

TRS2:30 pmTrieste Ronchi dei Legionari

$774

ITA Airways

Sep 10

TRS6:35 amTrieste Ronchi dei Legionari

13h 35m

1 stop

ORD1:10 pmChicago O'Hare Intl

Sep 14

ORD8:42 amChicago O'Hare Intl

22h 48m

2 stops

TRS2:30 pmTrieste Ronchi dei Legionari

$775

ITA Airways

Sep 10

TRS6:35 amTrieste Ronchi dei Legionari

13h 35m

1 stop

ORD1:10 pmChicago O'Hare Intl

Sep 14

ORD8:42 amChicago O'Hare Intl

22h 48m

2 stops

TRS2:30 pmTrieste Ronchi dei Legionari

$786

United Airlines flights from Trieste to Illinois

Our best United Airlines deals on Trieste to Illinois flight tickets

United Airlines

Sep 10

TRS6:35 amTrieste Ronchi dei Legionari

13h 35m

1 stop

ORD1:10 pmChicago O'Hare Intl

Sep 14

ORD3:50 pmChicago O'Hare Intl

11h 35m

1 stop

TRS10:25 amTrieste Ronchi dei Legionari

$1,010

United Airlines

Sep 10

TRS6:35 amTrieste Ronchi dei Legionari

13h 35m

1 stop

ORD1:10 pmChicago O'Hare Intl

Sep 14

ORD3:50 pmChicago O'Hare Intl

11h 35m

1 stop

TRS10:25 amTrieste Ronchi dei Legionari

$1,011

United Airlines

Sep 10

TRS6:35 amTrieste Ronchi dei Legionari

13h 35m

1 stop

ORD1:10 pmChicago O'Hare Intl

Sep 14

ORD3:50 pmChicago O'Hare Intl

11h 35m

1 stop

TRS10:25 amTrieste Ronchi dei Legionari

$1,014

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Thu 9/10

6:35 am-1:10 pm

1 stop13h 35m

Chicago O'Hare Intl

Mon 9/14

8:42 am-2:30 pm

2 stops22h 48m

$774

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Thu 9/10

6:35 am-1:10 pm

1 stop13h 35m

Chicago O'Hare Intl

Mon 9/14

8:42 am-2:30 pm

2 stops22h 48m

$775

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Thu 9/10

6:35 am-1:10 pm

1 stop13h 35m

Chicago O'Hare Intl

Mon 9/14

8:42 am-2:30 pm

2 stops22h 48m

$786

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Thu 9/10

6:35 am-1:10 pm

1 stop13h 35m

Chicago O'Hare Intl

Mon 9/14

8:42 am-2:30 pm

2 stops22h 48m

$788

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Thu 9/10

6:35 am-1:10 pm

1 stop13h 35m

Chicago O'Hare Intl

Mon 9/14

8:42 am-2:30 pm

2 stops22h 48m

$789

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Wed 7/29

7:15 pm-1:10 pm

1 stop24h 55m

Chicago O'Hare Intl

Sun 8/2

3:00 pm-6:30 pm

1 stop20h 30m

$871

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Wed 7/29

7:15 pm-1:10 pm

1 stop24h 55m

Chicago O'Hare Intl

Sun 8/2

3:00 pm-6:30 pm

1 stop20h 30m

$893

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Mon 8/3

7:15 pm-1:10 pm

1 stop24h 55m

Chicago O'Hare Intl

Wed 8/12

3:00 pm-10:25 am

1 stop12h 25m

$909

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Mon 8/3

7:15 pm-7:00 pm

2 stops30h 45m

Chicago O'Hare Intl

Wed 8/12

3:00 pm-10:25 am

1 stop12h 25m

$945

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Thu 9/10

7:15 pm-8:48 pm

2 stops32h 33m

Chicago O'Hare Intl

Mon 9/14

8:42 am-10:55 pm

2 stops31h 13m

$977

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 Trieste to Illinois

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 airline that flies from Trieste Ronchi dei Legionari to Illinois?

ITA Airways and Icelandair are the most popular carriers operating from Trieste Ronchi dei Legionari to Illinois

Cheap Trieste to Illinois flight deals and tips

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

Fastest flight time	13h 35m
Direct flights	None

The fastest flight from Trieste to Illinois takes 13h 35m

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

Search flight deals

Frequently asked questions about flying from Trieste to Illinois

When did momondo last update prices for flights from Trieste Ronchi dei Legionari Airport to Illinois?
Prices for flights from Trieste Ronchi dei Legionari Airport to Illinois refresh daily.
How old do you have to be to fly from Trieste Ronchi dei Legionari Airport to Illinois?
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 Trieste Ronchi dei Legionari Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois 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 Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Trieste to Illinois. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Trieste to Illinois on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Illinois from Trieste. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Trieste to Illinois flights. All you need is a valid email address and we will do the rest; it is that quick and easy.