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

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

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Trieste Ronchi dei Legionari Airport to Chicago.

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

The necessary travel and health documents for your Chicago trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$603 Cheap Flights from Trieste to Chicago in 2026

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0 bags

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Find the cheapest flights from Trieste to Chicago

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6:25 am - 5:48 pm

TRS

ORD

17h 23m

2 stops

2:00 pm - 2:05 pm

ORD

TRS

18h 05m

2 stops

$603Multiple Airlines

Fri, Mar 13 - Fri, Mar 20

2:45 pm - 7:55 pm

TRS

ORD

12h 10m

1 stop

10:30 pm - 10:15 pm

ORD

TRS

16h 45m

1 stop

$619Lufthansa

Tue, Mar 31 - Thu, Apr 16

6:10 am - 10:03 pm

TRS

ORD

22h 53m

2 stops

4:15 pm - 1:55 pm

ORD

TRS

14h 40m

2 stops

$636Multiple Airlines

Tue, Mar 31 - Thu, Apr 16

6:25 am - 2:25 pm

TRS

ORD

14h 00m

1 stop

2:00 pm - 2:05 pm

ORD

TRS

18h 05m

2 stops

$675Multiple Airlines

Fri, Mar 13 - Fri, Mar 20

2:45 pm - 7:55 pm

TRS

ORD

12h 10m

1 stop

4:15 pm - 1:55 pm

ORD

TRS

14h 40m

2 stops

$689Multiple Airlines

Tue, Mar 31 - Thu, Apr 16

6:35 am - 1:10 pm

TRS

ORD

13h 35m

1 stop

3:00 pm - 6:30 pm

ORD

TRS

20h 30m

1 stop

$802ITA Airways

Sat, Jul 18 - Sat, Jul 25

6:25 am - 4:20 pm

TRS

ORD

15h 55m

1 stop

4:20 pm - 2:05 pm

ORD

TRS

15h 45m

1 stop

$825Lufthansa

Fri, Mar 13 - Fri, Mar 20

6:35 am - 1:10 pm

TRS

ORD

13h 35m

1 stop

11:15 am - 10:25 am

ORD

TRS

16h 10m

2 stops

$943ITA Airways

Sat, Jul 18 - Sat, Jul 25

3:15 pm - 2:45 pm

TRS

ORD

30h 30m

2 stops

7:10 pm - 6:30 pm

ORD

TRS

40h 20m

2 stops

$982TAP AIR PORTUGAL

Sat, Feb 28 - Wed, Mar 4

3:15 pm - 2:45 pm

TRS

ORD

30h 30m

2 stops

7:10 pm - 6:30 pm

ORD

TRS

40h 20m

2 stops

$987TAP AIR PORTUGAL

Sat, Feb 28 - Wed, Mar 4

TAP AIR PORTUGAL flights from Trieste to Chicago

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

TAP AIR PORTUGAL

Feb 28

TRS3:15 pmTrieste Ronchi dei Legionari

30h 30m

2 stops

ORD2:45 pmChicago O'Hare Intl

Mar 4

ORD7:10 pmChicago O'Hare Intl

40h 20m

2 stops

TRS6:30 pmTrieste Ronchi dei Legionari

$982

TAP AIR PORTUGAL

Feb 28

TRS3:15 pmTrieste Ronchi dei Legionari

30h 30m

2 stops

ORD2:45 pmChicago O'Hare Intl

Mar 4

ORD7:10 pmChicago O'Hare Intl

40h 20m

2 stops

TRS6:30 pmTrieste Ronchi dei Legionari

$987

TAP AIR PORTUGAL

Feb 28

TRS3:15 pmTrieste Ronchi dei Legionari

30h 30m

2 stops

ORD2:45 pmChicago O'Hare Intl

Mar 4

ORD7:10 pmChicago O'Hare Intl

40h 20m

2 stops

TRS6:30 pmTrieste Ronchi dei Legionari

$990

United Airlines flights from Trieste to Chicago

Our best United Airlines deals on Trieste to Chicago flight tickets

United Airlines

Feb 28

TRS6:35 amTrieste Ronchi dei Legionari

13h 35m

1 stop

ORD1:10 pmChicago O'Hare Intl

Mar 4

ORD10:55 amChicago O'Hare Intl

16h 30m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

$1,591

United Airlines

Feb 28

TRS6:35 amTrieste Ronchi dei Legionari

13h 35m

1 stop

ORD1:10 pmChicago O'Hare Intl

Mar 4

ORD3:45 pmChicago O'Hare Intl

11h 40m

1 stop

TRS10:25 amTrieste Ronchi dei Legionari

$1,853

United Airlines

Feb 28

TRS6:35 amTrieste Ronchi dei Legionari

20h 35m

2 stops

ORD8:10 pmChicago O'Hare Intl

Mar 4

ORD3:45 pmChicago O'Hare Intl

11h 40m

1 stop

TRS10:25 amTrieste Ronchi dei Legionari

$1,856

Fly from

Fly to

Route

Depart

Return

Price

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Fri 3/13

6:25 am-5:48 pm

2 stops17h 23m

Chicago O'Hare Intl

Fri 3/20

2:00 pm-2:05 pm

2 stops18h 05m

$603

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Tue 3/31

2:45 pm-7:55 pm

1 stop12h 10m

Chicago O'Hare Intl

Thu 4/16

10:30 pm-10:15 pm

1 stop16h 45m

$619

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Tue 3/31

6:10 am-10:03 pm

2 stops22h 53m

Chicago O'Hare Intl

Thu 4/16

4:15 pm-1:55 pm

2 stops14h 40m

$636

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Fri 3/13

6:25 am-2:25 pm

1 stop14h 00m

Chicago O'Hare Intl

Fri 3/20

2:00 pm-2:05 pm

2 stops18h 05m

$675

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Tue 3/31

2:45 pm-7:55 pm

1 stop12h 10m

Chicago O'Hare Intl

Thu 4/16

4:15 pm-1:55 pm

2 stops14h 40m

$689

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Sat 7/18

6:35 am-1:10 pm

1 stop13h 35m

Chicago O'Hare Intl

Sat 7/25

3:00 pm-6:30 pm

1 stop20h 30m

$802

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Fri 3/13

6:25 am-4:20 pm

1 stop15h 55m

Chicago O'Hare Intl

Fri 3/20

4:20 pm-2:05 pm

1 stop15h 45m

$825

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Sat 7/18

6:35 am-1:10 pm

1 stop13h 35m

Chicago O'Hare Intl

Sat 7/25

11:15 am-10:25 am

2 stops16h 10m

$943

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Sat 2/28

3:15 pm-2:45 pm

2 stops30h 30m

Chicago O'Hare Intl

Wed 3/4

7:10 pm-6:30 pm

2 stops40h 20m

$982

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Sat 2/28

3:15 pm-2:45 pm

2 stops30h 30m

Chicago O'Hare Intl

Wed 3/4

7:10 pm-6:30 pm

2 stops40h 20m

$987

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

How to get the cheapest flight ticket from Trieste to Chicago

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 Chicago?

TAP AIR PORTUGAL, ITA Airways, and United Airlines are the most popular carriers operating from Trieste Ronchi dei Legionari to Chicago

What airlines fly to Chicago?

United Airlines, Iberia and British Airways are the top three most popular airlines that fly to Chicago from Trieste according to our data. United Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 4 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

When to book flights from Trieste to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from Trieste to Chicago according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Trieste to Chicago (TRS to CHI) flight deals and tips

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

Fastest flight time	17h 23m
Direct flights	None

The fastest flight from Trieste to Chicago takes 17h 23m

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

Search flight deals

How far is Trieste Ronchi dei Legionari to Chicago by plane?
A flight from Trieste Ronchi dei Legionari to Chicago will travel around 4695.7 mi. By plane, this route typically takes 17h 23m.
When did momondo last update prices for flights from Trieste Ronchi dei Legionari Airport to Chicago?
Prices for flights from Trieste Ronchi dei Legionari Airport to Chicago are updated daily.
How old do you have to be to fly from Trieste Ronchi dei Legionari Airport to Chicago?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Trieste Ronchi dei Legionari Airport to Chicago.
What documentation or ID do you need to fly to Chicago?
The necessary travel and health documents for your Chicago trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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Why use momondo?

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

It is quick and easy to find Trieste to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.

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

Yes. All flights to Chicago from Trieste on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Trieste to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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