How do I get Price Alerts for flights from Trieste to Illinois?

Confirm your travel details to search for the latest offers for flights from Trieste to Illinois . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Trieste to Illinois with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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.

$418 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.

11:15 am - 1:10 pmTRS Trieste Ronchi dei Legionari-ORD Chicago O'Hare Intl

32h 55m1 stop Rome Fiumicino

3:00 pm - 2:30 pmORD Chicago O'Hare Intl-TRS Trieste Ronchi dei Legionari

16h 30m1 stop Rome Fiumicino

$600ITA Airways

Wed, Sep 16 - Sun, Sep 20

3:15 pm - 1:10 pmTRS Trieste Ronchi dei Legionari-ORD Chicago O'Hare Intl

28h 55m1 stop Rome Fiumicino

3:00 pm - 6:30 pmORD Chicago O'Hare Intl-TRS Trieste Ronchi dei Legionari

20h 30m1 stop Rome Fiumicino

$651ITA Airways

Fri, Sep 18 - Tue, Sep 22

6:35 am - 6:10 pmTRS Trieste Ronchi dei Legionari-ORD Chicago O'Hare Intl

18h 35m2 stops Rome Fiumicino Boston Logan Intl

3:00 pm - 2:30 pmORD Chicago O'Hare Intl-TRS Trieste Ronchi dei Legionari

16h 30m2 stops Atlanta Hartsfield-Jackson Rome Fiumicino

$774KLM

Wed, Feb 3 - Sun, Feb 7

6:35 am - 1:10 pmTRS Trieste Ronchi dei Legionari-ORD Chicago O'Hare Intl

13h 35m1 stop Rome Fiumicino

3:00 pm - 2:30 pmORD Chicago O'Hare Intl-TRS Trieste Ronchi dei Legionari

16h 30m1 stop Rome Fiumicino

$797ITA Airways

Sat, Sep 19 - Wed, Sep 23

6:35 am - 6:59 pmTRS Trieste Ronchi dei Legionari-ORD Chicago O'Hare Intl

19h 24m2 stops Rome Fiumicino Boston Logan Intl

3:00 pm - 2:30 pmORD Chicago O'Hare Intl-TRS Trieste Ronchi dei Legionari

16h 30m1 stop Rome Fiumicino

$808ITA Airways

Sat, Sep 19 - Wed, Sep 23

6:00 pm - 1:10 pmTRS Trieste Ronchi dei Legionari-ORD Chicago O'Hare Intl

26h 10m2 stops Milan Linate Rome Fiumicino

3:00 pm - 9:15 pmORD Chicago O'Hare Intl-TRS Trieste Ronchi dei Legionari

23h 15m2 stops Rome Fiumicino Milan Linate

$822Multiple Airlines

Wed, Sep 16 - Sun, Sep 20

6:35 am - 7:00 pmTRS Trieste Ronchi dei Legionari-ORD Chicago O'Hare Intl

19h 25m2 stops Rome Fiumicino Boston Logan Intl

3:00 pm - 6:30 pmORD Chicago O'Hare Intl-TRS Trieste Ronchi dei Legionari

20h 30m1 stop Rome Fiumicino

$833ITA Airways

Wed, Sep 16 - Sun, Sep 20

11:15 am - 5:05 pmTRS Trieste Ronchi dei Legionari-ORD Chicago O'Hare Intl

36h 50m2 stops Rome Fiumicino Boston Logan Intl

3:00 pm - 6:30 pmORD Chicago O'Hare Intl-TRS Trieste Ronchi dei Legionari

20h 30m1 stop Rome Fiumicino

$848ITA Airways

Fri, Sep 18 - Tue, Sep 22

6:10 am - 8:12 pmTRS Trieste Ronchi dei Legionari-ORD Chicago O'Hare Intl

21h 02m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

12:59 pm - 1:45 pmORD Chicago O'Hare Intl-TRS Trieste Ronchi dei Legionari

17h 46m2 stops Toronto Pearson Intl Frankfurt am Main

$879Multiple Airlines

Fri, Sep 18 - Tue, Sep 22

6:15 am - 8:08 pmTRS Trieste Ronchi dei Legionari-ORD Chicago O'Hare Intl

20h 53m2 stops Frankfurt am Main Detroit Metropolitan Wayne County

6:10 pm - 10:25 pmORD Chicago O'Hare Intl-TRS Trieste Ronchi dei Legionari

21h 15m2 stops Paris Charles de Gaulle Frankfurt am Main

$880Lufthansa

Sat, Sep 19 - Wed, Sep 23

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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 16

TRS11:15 amTrieste Ronchi dei Legionari

32h 55m

1 stop

ORD1:10 pmChicago O'Hare Intl

Sep 20

ORD3:00 pmChicago O'Hare Intl

16h 30m

1 stop

TRS2:30 pmTrieste Ronchi dei Legionari

$600

ITA Airways

Sep 18

TRS3:15 pmTrieste Ronchi dei Legionari

28h 55m

1 stop

ORD1:10 pmChicago O'Hare Intl

Sep 22

ORD3:00 pmChicago O'Hare Intl

20h 30m

1 stop

TRS6:30 pmTrieste Ronchi dei Legionari

$651

ITA Airways

Sep 19

TRS6:35 amTrieste Ronchi dei Legionari

13h 35m

1 stop

ORD1:10 pmChicago O'Hare Intl

Sep 23

ORD3:00 pmChicago O'Hare Intl

16h 30m

1 stop

TRS2:30 pmTrieste Ronchi dei Legionari

$797

TAP AIR PORTUGAL flights from Trieste to Illinois

Our best TAP AIR PORTUGAL deals on Trieste to Illinois flight tickets

TAP AIR PORTUGAL

Sep 16

TRS3:15 pmTrieste Ronchi dei Legionari

28h 25m

2 stops

ORD12:40 pmChicago O'Hare Intl

Sep 20

ORD10:59 amChicago O'Hare Intl

28h 56m

3 stops

TRS10:55 pmTrieste Ronchi dei Legionari

$1,882

TAP AIR PORTUGAL

Sep 19

TRS3:15 pmTrieste Ronchi dei Legionari

31h 45m

2 stops

ORD4:00 pmChicago O'Hare Intl

Sep 23

ORD6:00 pmChicago O'Hare Intl

37h 30m

2 stops

TRS2:30 pmTrieste Ronchi dei Legionari

$2,066

TAP AIR PORTUGAL

Sep 18

TRS3:15 pmTrieste Ronchi dei Legionari

31h 50m

2 stops

ORD4:05 pmChicago O'Hare Intl

Sep 22

ORD9:38 amChicago O'Hare Intl

30h 17m

3 stops

TRS10:55 pmTrieste Ronchi dei Legionari

$2,222

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TriesteChicago

TRS Trieste Ronchi dei Legionari - ORD Chicago O'Hare Intl

TRSORD

Trieste Ronchi dei Legionari

Wed 9/16

11:15 am-1:10 pm

1 stop32h 55m

Chicago O'Hare Intl

Sun 9/20

3:00 pm-2:30 pm

1 stop16h 30m

$600

TriesteChicago

TRS Trieste Ronchi dei Legionari - ORD Chicago O'Hare Intl

TRSORD

Trieste Ronchi dei Legionari

Fri 9/18

3:15 pm-1:10 pm

1 stop28h 55m

Chicago O'Hare Intl

Tue 9/22

3:00 pm-6:30 pm

1 stop20h 30m

$651

TriesteChicago

TRS Trieste Ronchi dei Legionari - ORD Chicago O'Hare Intl

TRSORD

Trieste Ronchi dei Legionari

Wed 2/3

6:35 am-6:10 pm

2 stops18h 35m

Chicago O'Hare Intl

Sun 2/7

3:00 pm-2:30 pm

2 stops16h 30m

$774

Quickest round-trip

TriesteChicago

TRS Trieste Ronchi dei Legionari - ORD Chicago O'Hare Intl

TRSORD

Trieste Ronchi dei Legionari

Sat 9/19

6:35 am-1:10 pm

1 stop13h 35m

Chicago O'Hare Intl

Wed 9/23

3:00 pm-2:30 pm

1 stop16h 30m

$797

TriesteChicago

TRS Trieste Ronchi dei Legionari - ORD Chicago O'Hare Intl

TRSORD

Trieste Ronchi dei Legionari

Sat 9/19

6:35 am-6:59 pm

2 stops19h 24m

Chicago O'Hare Intl

Wed 9/23

3:00 pm-2:30 pm

1 stop16h 30m

$808

TriesteChicago

TRS Trieste Ronchi dei Legionari - ORD Chicago O'Hare Intl

TRSORD

Trieste Ronchi dei Legionari

Wed 9/16

6:00 pm-1:10 pm

2 stops26h 10m

Chicago O'Hare Intl

Sun 9/20

3:00 pm-9:15 pm

2 stops23h 15m

$822

TriesteChicago

TRS Trieste Ronchi dei Legionari - ORD Chicago O'Hare Intl

TRSORD

Trieste Ronchi dei Legionari

Wed 9/16

6:35 am-7:00 pm

2 stops19h 25m

Chicago O'Hare Intl

Sun 9/20

3:00 pm-6:30 pm

1 stop20h 30m

$833

TriesteChicago

TRS Trieste Ronchi dei Legionari - ORD Chicago O'Hare Intl

TRSORD

Trieste Ronchi dei Legionari

Fri 9/18

11:15 am-5:05 pm

2 stops36h 50m

Chicago O'Hare Intl

Tue 9/22

3:00 pm-6:30 pm

1 stop20h 30m

$848

TriesteChicago

TRS Trieste Ronchi dei Legionari - ORD Chicago O'Hare Intl

TRSORD

Trieste Ronchi dei Legionari

Fri 9/18

6:10 am-8:12 pm

2 stops21h 02m

Chicago O'Hare Intl

Tue 9/22

12:59 pm-1:45 pm

2 stops17h 46m

$879

TriesteChicago

TRS Trieste Ronchi dei Legionari - ORD Chicago O'Hare Intl

TRSORD

Trieste Ronchi dei Legionari

Sat 9/19

6:15 am-8:08 pm

2 stops20h 53m

Chicago O'Hare Intl

Wed 9/23

6:10 pm-10:25 pm

2 stops21h 15m

$880

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first

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	$418
Fastest flight time	13h 35m
Direct flights	None

The best one-way flight to Illinois from Trieste in the past 72 hours is $418. The best round-trip flight deal from Trieste to Illinois found on momondo in the last 72 hours is $600.

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.

Frequently asked questions about flying from Trieste to Illinois

How do I get Price Alerts for flights from Trieste to Illinois?
Confirm your travel details to search for the latest offers for flights from Trieste to Illinois. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Trieste to Illinois with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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.