What airlines fly to Illinois?

Iberia, British Airways and American Airlines are the top three most popular airlines that fly to Illinois from Trieste according to our data. Iberia is the first choice among our users, with 32% 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.

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.

$570 Cheap Flights from Trieste to Illinois in 2025

1 adult

0 bags

"This year, momondo is the #1 place for airfares on the internet."

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Trieste to Illinois

Round-trip

Cheap round-trip flights

These are some of the best round-trip flight deals from Trieste to Illinois that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Trieste to Illinois.

Cheap last minute flights

Planning a quick getaway from Trieste to Illinois? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Illinois, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Trieste to Illinois

Find recent round-trip train or bus tickets from Trieste to Illinois.

All round-trip flight deals to Illinois

The cheapest plane tickets to Illinois found on KAYAK recently.

6:20 am - 3:15 pmTRS-ORD

15h 55m1 stop

3:55 pm - 2:00 pmORD-TRS

15h 05m1 stop

$571Lufthansa

Find Deal

Sat, Jan 25 - Wed, Jan 29

6:20 am - 6:25 pmTRS-ORD

19h 05m2 stops

3:55 pm - 2:00 pmORD-TRS

15h 05m1 stop

$599Lufthansa

Find Deal

Sat, Jan 25 - Wed, Jan 29

6:20 am - 6:25 pmTRS-ORD

19h 05m2 stops

6:20 pm - 2:00 pmORD-TRS

12h 40m2 stops

$646Lufthansa

Find Deal

Sat, Jan 25 - Wed, Jan 29

6:40 am - 1:10 pmTRS-ORD

13h 30m1 stop

3:00 pm - 2:25 pmORD-TRS

16h 25m1 stop

$669ITA Airways

Find Deal

Mon, Jun 23 - Fri, Jun 27

6:40 am - 1:10 pmTRS-ORD

13h 30m1 stop

11:40 am - 10:25 amORD-TRS

15h 45m2 stops

$914

Find Deal

Mon, Jun 23 - Fri, Jun 27

6:30 am - 11:39 pmTRS-ORD

24h 09m2 stops

8:40 am - 2:05 pmORD-TRS

22h 25m2 stops

$1,002

Find Deal

Mon, Jun 23 - Fri, Jun 27

7:25 am - 5:50 pmTRS-ORD

17h 25m2 stops

6:00 pm - 10:50 pmORD-TRS

21h 50m3 stops

$1,249

Find Deal

Mon, Jun 23 - Fri, Jun 27

6:30 am - 9:15 pmTRS-ORD

21h 45m3 stops

6:00 pm - 10:50 pmORD-TRS

21h 50m3 stops

$1,351

Find Deal

Mon, Jun 23 - Fri, Jun 27

Lufthansa flights from Trieste to Illinois

Our best Lufthansa deals on Trieste to Illinois flight tickets

Lufthansa

Jan 25

TRS6:20 amTrieste Ronchi dei Legionari

15h 55m

1 stop

ORD3:15 pmChicago O'Hare Intl

Jan 29

ORD3:55 pmChicago O'Hare Intl

15h 05m

1 stop

TRS2:00 pmTrieste Ronchi dei Legionari

$571

Find similar

Lufthansa

Jan 25

TRS6:20 amTrieste Ronchi dei Legionari

19h 05m

2 stops

ORD6:25 pmChicago O'Hare Intl

Jan 29

ORD3:55 pmChicago O'Hare Intl

15h 05m

1 stop

TRS2:00 pmTrieste Ronchi dei Legionari

$599

Find similar

Lufthansa

Jan 25

TRS6:20 amTrieste Ronchi dei Legionari

19h 05m

2 stops

ORD6:25 pmChicago O'Hare Intl

Jan 29

ORD6:20 pmChicago O'Hare Intl

12h 40m

2 stops

TRS2:00 pmTrieste Ronchi dei Legionari

$646

Find similar

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

Prices

Airlines

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Trieste to Illinois during this time can be as low as $486. Flights in the morning are often more expensive with an average ticket price of $486.

Cheap Trieste to Illinois flight deals and tips

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

Best Price Found	$571
Fastest flight time	13h 30m
Direct flights	None
Airports in Illinois	1 airport

The best flight deal from Trieste to Illinois found on momondo in the last 72 hours is $571

The fastest flight from Trieste to Illinois takes 13h 30m

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

There is 1 airport near Illinois: Chicago O'Hare Intl (ORD)

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.