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.

$627 Cheap Flights from Trieste to Illinois in 2025/26

1 adult

0 bags

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Find the cheapest flights from Trieste to Illinois

Round-trip

Cheap round-trip flights

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6:15 am - 8:05 pmTRS-ORD

20h 50m1 stop

3:20 pm - 2:00 pmORD-TRS

15h 40m1 stop

$627Lufthansa

Find Deal

Thu, Nov 20 - Mon, Nov 24

2:50 pm - 8:05 pmTRS-ORD

12h 15m1 stop

4:20 pm - 2:00 pmORD-TRS

14h 40m1 stop

$628Lufthansa

Find Deal

Thu, Nov 20 - Mon, Nov 24

6:35 am - 6:10 pmTRS-ORD

18h 35m2 stops

9:20 am - 6:30 pmORD-TRS

26h 10m2 stops

$689ITA Airways

Find Deal

Wed, Nov 19 - Sun, Nov 23

2:40 pm - 9:13 amTRS-ORD

25h 33m2 stops

10:35 pm - 10:25 pmORD-TRS

16h 50m1 stop

$720Multiple Airlines

Find Deal

Wed, Nov 19 - Sun, Nov 23

7:15 pm - 4:45 pmTRS-ORD

28h 30m3 stops

7:20 pm - 12:20 pmORD-TRS

34h 00m3 stops

$796Multiple Airlines

Find Deal

Wed, Nov 19 - Sun, Nov 23

6:35 am - 8:25 pmTRS-ORD

20h 50m2 stops

9:20 am - 10:25 amORD-TRS

18h 05m2 stops

$1,211ITA Airways

Find Deal

Fri, Dec 19 - Fri, Dec 26

3:15 pm - 6:25 pmTRS-ORD

34h 10m2 stops

11:50 am - 2:30 pmORD-TRS

19h 40m2 stops

$4,784Turkish Airlines

Find Deal

Mon, Jan 5 - Mon, Jan 12

3:15 pm - 10:05 amTRS-ORD

25h 50m2 stops

8:20 pm - 2:30 pmORD-TRS

59h 10m2 stops

$5,205Turkish Airlines

Find Deal

Mon, Jan 5 - Wed, Jan 7

6:35 am - 9:38 amTRS-ORD

34h 03m2 stops

10:35 am - 10:25 amORD-TRS

40h 50m2 stops

$6,205United Airlines

Find Deal

Sun, Jan 4 - Fri, Jan 9

6:35 am - 11:44 pmTRS-ORD

24h 09m2 stops

12:50 pm - 10:25 amORD-TRS

38h 35m2 stops

$7,270United Airlines

Find Deal

Sat, Jan 3 - Fri, Jan 9

ITA Airways flights from Trieste to Illinois

Our best ITA Airways deals on Trieste to Illinois flight tickets

ITA Airways

Nov 19

TRS6:35 amTrieste Ronchi dei Legionari

18h 35m

2 stops

ORD6:10 pmChicago O'Hare Intl

Nov 23

ORD9:20 amChicago O'Hare Intl

26h 10m

2 stops

TRS6:30 pmTrieste Ronchi dei Legionari

$689

Find similar

ITA Airways

Dec 19

TRS6:35 amTrieste Ronchi dei Legionari

20h 50m

2 stops

ORD8:25 pmChicago O'Hare Intl

Dec 26

ORD9:20 amChicago O'Hare Intl

18h 05m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

$1,211

Find similar

ITA Airways

Dec 19

TRS6:35 amTrieste Ronchi dei Legionari

20h 50m

2 stops

ORD8:25 pmChicago O'Hare Intl

Dec 26

ORD9:20 amChicago O'Hare Intl

18h 05m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

$1,255

Find similar

Lufthansa flights from Trieste to Illinois

Our best Lufthansa deals on Trieste to Illinois flight tickets

Lufthansa

Nov 20

TRS6:15 amTrieste Ronchi dei Legionari

20h 50m

1 stop

ORD8:05 pmChicago O'Hare Intl

Nov 24

ORD3:20 pmChicago O'Hare Intl

15h 40m

1 stop

TRS2:00 pmTrieste Ronchi dei Legionari

$627

Find similar

Lufthansa

Nov 20

TRS2:50 pmTrieste Ronchi dei Legionari

12h 15m

1 stop

ORD8:05 pmChicago O'Hare Intl

Nov 24

ORD4:20 pmChicago O'Hare Intl

14h 40m

1 stop

TRS2:00 pmTrieste Ronchi dei Legionari

$628

Find similar

Lufthansa

Nov 20

TRS6:15 amTrieste Ronchi dei Legionari

13h 55m

1 stop

ORD1:10 pmChicago O'Hare Intl

Nov 24

ORD4:20 pmChicago O'Hare Intl

14h 40m

1 stop

TRS2:00 pmTrieste Ronchi dei Legionari

$629

Find similar

Fly from

Fly to

Route

Depart

Return

Price

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Thu 11/20

6:15 am-8:05 pm

1 stop20h 50m

Chicago O'Hare Intl

Mon 11/24

3:20 pm-2:00 pm

1 stop15h 40m

$627

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Thu 11/20

2:50 pm-8:05 pm

1 stop12h 15m

Chicago O'Hare Intl

Mon 11/24

4:20 pm-2:00 pm

1 stop14h 40m

$628

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Wed 11/19

6:35 am-6:10 pm

2 stops18h 35m

Chicago O'Hare Intl

Sun 11/23

9:20 am-6:30 pm

2 stops26h 10m

$689

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Wed 11/19

2:40 pm-9:13 am

2 stops25h 33m

Chicago O'Hare Intl

Sun 11/23

10:35 pm-10:25 pm

1 stop16h 50m

$720

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Wed 11/19

7:15 pm-4:45 pm

3 stops28h 30m

Chicago O'Hare Intl

Sun 11/23

7:20 pm-12:20 pm

3 stops34h 00m

$796

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Fri 12/19

6:35 am-8:25 pm

2 stops20h 50m

Chicago O'Hare Intl

Fri 12/26

9:20 am-10:25 am

2 stops18h 05m

$1,211

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Mon 1/5

3:15 pm-6:25 pm

2 stops34h 10m

Chicago O'Hare Intl

Mon 1/12

11:50 am-2:30 pm

2 stops19h 40m

$4,784

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Mon 1/5

3:15 pm-10:05 am

2 stops25h 50m

Chicago O'Hare Intl

Wed 1/7

8:20 pm-2:30 pm

2 stops59h 10m

$5,205

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Sun 1/4

6:35 am-9:38 am

2 stops34h 03m

Chicago O'Hare Intl

Fri 1/9

10:35 am-10:25 am

2 stops40h 50m

$6,205

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Sat 1/3

6:35 am-11:44 pm

2 stops24h 09m

Chicago O'Hare Intl

Fri 1/9

12:50 pm-10:25 am

2 stops38h 35m

$7,270

Flights are sorted by cheapest round-trip flights first.

Sorted 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 airlines fly to Illinois?

British Airways, United Airlines and Iberia are the top three most popular airlines that fly to Illinois from Trieste according to our data. British Airways is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

Cheap Trieste to Illinois flight deals and tips

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

Direct flights	None

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

Search flight deals

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.